fix: withOpacity → withValues(alpha:)，消除 Flutter 3.x 废弃 API 警告

lib/main.dart

@@ -49,7 +49,7 @@ class MyApp extends StatelessWidget {
                 behavior: _NoShadowScrollBehavior(),
                 child: OKToast(
                   radius: 8.0,
-                  backgroundColor: const Color(0xFF000000).withOpacity(0.2),
+                  backgroundColor: const Color(0xFF000000).withValues(alpha: 0.2),
                   textPadding: const EdgeInsets.symmetric(
                       horizontal: 16.0, vertical: 10.0),
                   position: ToastPosition.bottom,

lib/pages/ad/view.dart

@@ -39,7 +39,7 @@ class _AdPageState extends State<AdPage> {
                   child: Container(
                     padding: EdgeInsets.symmetric(horizontal: 12.0.w, vertical: 8.0.w),
                     decoration: BoxDecoration(
-                      color: Colors.black.withOpacity(0.6),
+                      color: Colors.black.withValues(alpha: 0.6),
                       borderRadius: BorderRadius.circular(8.0.w),
                     ),
                     child: Text(

lib/pages/book_detail/view.dart

@@ -22,7 +22,7 @@ class _BookDetailPageState extends State<BookDetailPage> with SingleTickerProvid
       init:BookDetailController(widget.bookId),
       builder: (controller)=> Scaffold(
         appBar:  CustomAppBar(
-          backgroundColor: const Color(0xFFAB1941).withOpacity(0.02),
+          backgroundColor: const Color(0xFFAB1941).withValues(alpha: 0.02),
           title: const Text('详情',style: TextStyle(fontSize: 17),),
           actions: [
             CustomButton.icon(
@@ -191,7 +191,7 @@ class _BookDetailPageState extends State<BookDetailPage> with SingleTickerProvid
                           width: 0.5,
                           color: Colours.c9
                         ),
-                        // color: Colours.cE0.withOpacity(0.5),
+                        // color: Colours.cE0.withValues(alpha: 0.5),
                       ),
                       // padding: EdgeInsets.symmetric(vertical: 8),
                       child: controller.bookDetails.isHave ==1 || controller.bookDetails.isFree == 1? Text('学习报告',style: TextStyle(fontSize: 13.w,color: Colours.c9,height: 1.5),):Text('加入书架',style: TextStyle(fontSize: 13.w,color: AppTheme.primary,height: 1.5),),
@@ -250,7 +250,7 @@ class _BookDetailPageState extends State<BookDetailPage> with SingleTickerProvid
                     child: Container(
                       decoration: BoxDecoration(
                         borderRadius: BorderRadius.circular(17.5.w),
-                        color: AppTheme.primary.withOpacity(0.1)
+                        color: AppTheme.primary.withValues(alpha: 0.1)
                       ),
                       height: 35.w,
                       alignment: Alignment.center,

lib/pages/book_detail/widgets/book.dart

@@ -20,7 +20,7 @@ class BuildBook extends StatelessWidget {
 
         width: double.infinity,
         height: 150,
-        color: const Color(0xFFAB1941).withOpacity(0.02),
+        color: const Color(0xFFAB1941).withValues(alpha: 0.02),
         child: Row(
           children: [
             ///左侧

lib/pages/book_pay/view.dart

@@ -43,7 +43,7 @@ class _BookPayPageState extends State<BookPayPage> {
                           color: Colors.white,
                           boxShadow: [
                             BoxShadow(
-                              color: Colours.cC7.withOpacity(0.5),
+                              color: Colours.cC7.withValues(alpha: 0.5),
                               spreadRadius: 2.w,
                               blurRadius: 5.w,
                               offset: Offset(3.w, 0), // changes the position of the shadow
@@ -78,7 +78,7 @@ class _BookPayPageState extends State<BookPayPage> {
                         color: Colors.white,
                         boxShadow: [
                           BoxShadow(
-                            color: Colours.cC7.withOpacity(0.5),
+                            color: Colours.cC7.withValues(alpha: 0.5),
                             spreadRadius: 2.w,
                             blurRadius: 5.w,
                             offset: const Offset(3, 0), // changes the position of the shadow
@@ -127,7 +127,7 @@ class _BookPayPageState extends State<BookPayPage> {
                   controller.show();
                 },
                 child: Container(
-                  color:const  Color(0xFF000000).withOpacity(0.5),
+                  color:const  Color(0xFF000000).withValues(alpha: 0.5),
                   child: Align(
                     alignment: Alignment.bottomCenter,
                     child: ClipRRect(

lib/pages/book_pay/widgets/item.dart

@@ -15,7 +15,7 @@ class BuildItem extends StatelessWidget {
             color: Colors.white,
             boxShadow: [
               BoxShadow(
-                color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                 spreadRadius: 2.w,
                 blurRadius: 5.w,
                 offset: Offset(3.w, 0), // changes the position of the shadow

lib/pages/book_score/widgets/item.dart

@@ -17,7 +17,7 @@ class BuildItem extends StatelessWidget {
           color: Colors.white,
           boxShadow: [
             BoxShadow(
-              color: Colours.cC7.withOpacity(0.5),
+              color: Colours.cC7.withValues(alpha: 0.5),
               offset: Offset(3.w, 0.w),
               blurRadius: 4.w,
               spreadRadius: 0,

lib/pages/book_shop/widgets/book.dart

@@ -17,7 +17,7 @@ class BookCell extends StatelessWidget {
           color: Colors.white,
           boxShadow: [
             BoxShadow(
-              color: model.selected?AppTheme.primary.withOpacity(0.21):const Color(0xFFC7C7C7).withOpacity(0.5),
+              color: model.selected?AppTheme.primary.withValues(alpha: 0.21):const Color(0xFFC7C7C7).withValues(alpha: 0.5),
               spreadRadius: 0.w,
               blurRadius: 10.w,
               offset: Offset(3.w, 0), // changes the position of the shadow

lib/pages/change_phone/view.dart

@@ -28,7 +28,7 @@ class _ChangePhonePageState extends State<ChangePhonePage> {
                   color: const Color(0xFFF9F9F9),
                   boxShadow: [
                     BoxShadow(
-                      color: const Color(0xFFC7C7C7).withOpacity(0.35),
+                      color: const Color(0xFFC7C7C7).withValues(alpha: 0.35),
                       offset: Offset(3.w, 0),
                       blurRadius: 10.w,
                       spreadRadius: 0.w,
@@ -65,7 +65,7 @@ class _ChangePhonePageState extends State<ChangePhonePage> {
                       color: const Color(0xFFF9F9F9),
                       boxShadow: [
                         BoxShadow(
-                          color: const Color(0xFFC7C7C7).withOpacity(0.35),
+                          color: const Color(0xFFC7C7C7).withValues(alpha: 0.35),
                           offset: Offset(3.w, 0),
                           blurRadius: 10.w,
                           spreadRadius: 0.w,

lib/pages/change_pwd/view.dart

@@ -38,7 +38,7 @@ class _ChangePwdPageState extends State<ChangePwdPage> {
                     color: const Color(0xFFF9F9F9),
                     boxShadow: [
                       BoxShadow(
-                        color: const Color(0xFFC7C7C7).withOpacity(0.35),
+                        color: const Color(0xFFC7C7C7).withValues(alpha: 0.35),
                         offset: Offset(3.w, 0),
                         blurRadius: 10.w,
                         spreadRadius: 0.w,
@@ -80,7 +80,7 @@ class _ChangePwdPageState extends State<ChangePwdPage> {
                     color: const Color(0xFFF9F9F9),
                     boxShadow: [
                       BoxShadow(
-                        color: const Color(0xFFC7C7C7).withOpacity(0.35),
+                        color: const Color(0xFFC7C7C7).withValues(alpha: 0.35),
                         offset: Offset(3.w, 0),
                         blurRadius: 10.w,
                         spreadRadius: 0.w,

lib/pages/course/widgets/book.dart

@@ -17,7 +17,7 @@ class Book extends StatelessWidget {
         color: const Color(0xFFF9F9F9),
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(3.w, 0),
             blurRadius: 10.w,
             spreadRadius: 0.w,
@@ -54,7 +54,7 @@ class Book extends StatelessWidget {
             mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: [
               Container(
-                color: model.type ==0||model.type ==1 ?Colours.cEF :AppTheme.primary.withOpacity(0.1),
+                color: model.type ==0||model.type ==1 ?Colours.cEF :AppTheme.primary.withValues(alpha: 0.1),
                 padding: EdgeInsets.symmetric(horizontal: 3.5.w),
                 child: Text(model.typeName,style: TextStyle(fontSize: 11.w,height: 1.3,color: model.type ==0||model.type ==1 ?Colours.c9:AppTheme.primary),),
               ),

lib/pages/credit_points/view.dart

@@ -33,7 +33,7 @@ class CreditPointsPage extends StatelessWidget {
                         child: Container(
                           padding: EdgeInsets.only(left: 17.w,top: 18.w,bottom: 24.w,right: 17.w),
                           decoration: BoxDecoration(
-                              color: Colors.white.withOpacity(0.58),
+                              color: Colors.white.withValues(alpha: 0.58),
                               borderRadius: BorderRadius.circular(8.w),
                             border: Border.all(width: 2.w,color: Colors.white)
                           ),
@@ -82,7 +82,7 @@ class CreditPointsPage extends StatelessWidget {
                             color: Colors.white,
                             boxShadow: [
                               BoxShadow(
-                                color: Colours.cC7.withOpacity(0.5),
+                                color: Colours.cC7.withValues(alpha: 0.5),
                                 offset: Offset(3.w, 0.w),
                                 blurRadius: 4.w,
                                 spreadRadius: 0,

lib/pages/library/view.dart

@@ -162,7 +162,7 @@ class _LibraryPageState extends State<LibraryPage>  {
               },
               child: Container(
                 padding: EdgeInsets.symmetric(vertical: 10.w,horizontal: 10.w),
-                color: model.selected?const Color(0xFFC02D55).withOpacity(0.08):Colors.white,
+                color: model.selected?const Color(0xFFC02D55).withValues(alpha: 0.08):Colors.white,
                 alignment: Alignment.center,
                 child: Text(model.name??'',style: model.selected?TextStyle(fontSize: 14.w,color: AppTheme.primary,fontWeight: Fonts.boldSemi,):TextStyle(fontSize: 14.w,color: Colours.c9,),),
               ),
@@ -187,7 +187,7 @@ class _LibraryPageState extends State<LibraryPage>  {
   //             child: TabBar(
   //               indicator: BoxDecoration(
   //                   border: const Border(bottom: BorderSide(color: Colors.transparent, width: 0.0)), // 将指示器的底边框颜色设置为透明
-  //                   color: const Color(0xFFC02D55).withOpacity(0.08)
+  //                   color: const Color(0xFFC02D55).withValues(alpha: 0.08)
   //               ),
   //               labelStyle: TextStyle(color: AppTheme.primary,fontSize: 14.w,height: 1.5,fontWeight: Fonts.medium),
   //               unselectedLabelColor: Colours.c9,

lib/pages/library/widgets/cell.dart

@@ -25,7 +25,7 @@ class LibraryCell extends StatelessWidget {
               borderRadius: BorderRadius.circular(8.w),
               boxShadow: [
                 BoxShadow(
-                  color: Colours.cC7.withOpacity(0.5), // 阴影颜色
+                  color: Colours.cC7.withValues(alpha: 0.5), // 阴影颜色
                   spreadRadius: 2.w, // 阴影扩散半径
                   blurRadius: 5.w, // 阴影模糊半径
                   offset: Offset(0, 2.w), // 阴影偏移

lib/pages/library/widgets/filter.dart

@@ -31,7 +31,7 @@ class _FilterPageState extends State<FilterPage> {
         widget.controller.setShow(widget.controller.show);
       },
       child: Container(
-        color: const Color(0xFF000000).withOpacity(0.5),
+        color: const Color(0xFF000000).withValues(alpha: 0.5),
         // color: Colors.red,
         child: SingleChildScrollView(
           child: Column(
@@ -80,7 +80,7 @@ class _FilterPageState extends State<FilterPage> {
                                 width: 0.5.w,
                                 color: Colours.c9
                             ),
-                            // color: Colours.cE0.withOpacity(0.5),
+                            // color: Colours.cE0.withValues(alpha: 0.5),
                           ),
                           // padding: EdgeInsets.symmetric(vertical: 8),
                           child: Text('重置',style: TextStyle(fontSize: 13.w,color: Colours.c9,height: 1.5),),
@@ -94,7 +94,7 @@ class _FilterPageState extends State<FilterPage> {
                         child: Container(
                           decoration: BoxDecoration(
                               borderRadius: BorderRadius.circular(17.5.w),
-                              color: AppTheme.primary.withOpacity(0.1)
+                              color: AppTheme.primary.withValues(alpha: 0.1)
                           ),
                           height: 35.w,
                           alignment: Alignment.center,
@@ -151,7 +151,7 @@ class _FilterPageState extends State<FilterPage> {
                   padding:  const EdgeInsets.only(left: 15,right: 15),
                   decoration: BoxDecoration(
                       borderRadius: BorderRadius.circular(13.5),
-                      color: model.selected?const Color(0xFFC02D55).withOpacity(0.08): Colours.cF4,
+                      color: model.selected?const Color(0xFFC02D55).withValues(alpha: 0.08): Colours.cF4,
                       border: model.selected?Border.all(width: 0.5.w,color: AppTheme.primary):null
 
                   ),

lib/pages/library/widgets/subject.dart

@@ -26,7 +26,7 @@ class BuildLabelWidget extends StatelessWidget {
             color: Colors.white,
             boxShadow: model.selected?[
               BoxShadow(
-                color: AppTheme.primary.withOpacity(0.3),
+                color: AppTheme.primary.withValues(alpha: 0.3),
                 offset: Offset(0, 1.w),
                 blurRadius: 2.w,
                 spreadRadius: 0.w,

lib/pages/main/view.dart

@@ -52,7 +52,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver{
                 color: Colors.white,
                 boxShadow:[
                   BoxShadow(
-                    color: const Color(0xFFE0E0E0).withOpacity(0.5),
+                    color: const Color(0xFFE0E0E0).withValues(alpha: 0.5),
                     spreadRadius: 0,
                     blurRadius: 4.5,
                     offset: const Offset(0, 0),

lib/pages/mine/view.dart

@@ -134,7 +134,7 @@ class _MinePageState extends State<MinePage> {
                         color: Colors.white,
                         boxShadow: [
                           BoxShadow(
-                            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                             offset: Offset(3.w, 0),
                             blurRadius: 10.w,
                             spreadRadius: 0.w,

lib/pages/mine/widgets/account.dart

@@ -18,7 +18,7 @@ class BuildAccount extends StatelessWidget {
         color:Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(3.w, 0),
             blurRadius: 10.w,
             spreadRadius: 0.w,

lib/pages/mine/widgets/read.dart

@@ -37,7 +37,7 @@ class BuildRead extends StatelessWidget {
             //   color: Colors.transparent,
             //   boxShadow: [
             //     BoxShadow(
-            //       color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            //       color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             //       offset: const Offset(3, 0),
             //       blurRadius: 10.w,
             //       spreadRadius: 0.w,

lib/pages/mine/widgets/user.dart

@@ -67,8 +67,8 @@ class BuildUser extends StatelessWidget {
                                 borderRadius: BorderRadius.circular(21.w),
                                 gradient: LinearGradient(
                                   colors: [
-                                    AppTheme.primary.withOpacity(0.03),
-                                    AppTheme.primary.withOpacity(0.1)
+                                    AppTheme.primary.withValues(alpha: 0.03),
+                                    AppTheme.primary.withValues(alpha: 0.1)
                                   ], // 不可点击时的颜色，透明度为0.7
                                   begin: Alignment.centerLeft,
                                   end: Alignment.centerRight,

lib/pages/pay_coupon/view.dart

@@ -42,7 +42,7 @@ class _PayCouponPageState extends State<PayCouponPage>  with SingleTickerProvide
             color: Colors.white,
             boxShadow: [
               BoxShadow(
-                color: const Color(0xFFC7C7C7).withOpacity(0.3),
+                color: const Color(0xFFC7C7C7).withValues(alpha: 0.3),
                 spreadRadius: 2.w,
                 blurRadius: 5.w,
                 offset: Offset(3.w, 0), //

lib/pages/pay_coupon/widgets/item.dart

@@ -18,7 +18,7 @@ class BuildItem extends StatelessWidget {
           color:  Colors.white,
           boxShadow: [
             BoxShadow(
-              color: const Color(0xFFC7C7C7).withOpacity(0.5),
+              color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
               offset: Offset(3.w, 0),
               blurRadius: 10.w,
               spreadRadius: 0.w,

lib/pages/read_web/view.dart

@@ -447,7 +447,7 @@ class _ReadPageState extends State<ReadPage> {
                           readController.clearAllDiscussInput();
                         },
                         child: Container(
-                          color: const Color(0xFF000000).withOpacity(0.5),
+                          color: const Color(0xFF000000).withValues(alpha: 0.5),
                           child: SingleChildScrollView(
                             reverse: true,
                             child: Container(
@@ -605,7 +605,7 @@ class _ReadPageState extends State<ReadPage> {
             controller.chooseTool(model);
           },
           child: Container(
-            color: const Color(0xFF000000).withOpacity(0.5),
+            color: const Color(0xFF000000).withValues(alpha: 0.5),
             padding:
                 EdgeInsets.only(top: MediaQuery.of(context).size.height * 0.2),
             child: ClipRRect(

lib/pages/read_web/widgets/category.dart

@@ -49,7 +49,7 @@ class _ReadCategoryPageState extends State<ReadCategoryPage> {
                     borderRadius: BorderRadius.circular(17.5.w),
                     boxShadow: [
                       BoxShadow(
-                        color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                        color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                         offset: Offset(3.w, 0),
                         blurRadius: 10.w,
                         spreadRadius: 0.w,

lib/pages/read_web/widgets/discuss.dart

@@ -50,7 +50,7 @@ class _ReadDiscussPageState extends State<ReadDiscussPage> {
                         borderRadius: BorderRadius.circular(17.5.w),
                         boxShadow: [
                           BoxShadow(
-                            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                             offset: Offset(3.w, 0),
                             blurRadius: 10.w,
                             spreadRadius: 0.w,
@@ -144,7 +144,7 @@ class _ReadDiscussPageState extends State<ReadDiscussPage> {
                       },
                       child: Container(
                         // color: Colors.white,
-                        color: const Color(0xFF000000).withOpacity(0.5),
+                        color: const Color(0xFF000000).withValues(alpha: 0.5),
                         child: SingleChildScrollView(
                           reverse: true,
                           child: GestureDetector(
@@ -184,7 +184,7 @@ class _ReadDiscussPageState extends State<ReadDiscussPage> {
                                           borderRadius: BorderRadius.circular(15.w),
                                           color: AppTheme.primary,
                                           gradient: LinearGradient(
-                                            colors: [const Color(0xFFD53676).withOpacity(0.9),AppTheme.primary] , // 不可点击时的颜色，透明度为0.7
+                                            colors: [const Color(0xFFD53676).withValues(alpha: 0.9),AppTheme.primary] , // 不可点击时的颜色，透明度为0.7
                                             begin: Alignment.topCenter,
                                             end: Alignment.bottomCenter,
                                           ),

lib/pages/read_web/widgets/input_discuss.dart

@@ -250,7 +250,7 @@ class _ReadInputDiscussState extends State<ReadInputDiscuss> {
                         borderRadius: BorderRadius.circular(15.w),
                         color: AppTheme.primary,
                         gradient: LinearGradient(
-                          colors: [const Color(0xFFD53676).withOpacity(0.9),AppTheme.primary] , // 不可点击时的颜色，透明度为0.7
+                          colors: [const Color(0xFFD53676).withValues(alpha: 0.9),AppTheme.primary] , // 不可点击时的颜色，透明度为0.7
                           begin: Alignment.topCenter,
                           end: Alignment.bottomCenter,
                         ),

lib/pages/read_web/widgets/note.dart

@@ -50,7 +50,7 @@ class _ReadNotePageState extends State<ReadNotePage> {
                     borderRadius: BorderRadius.circular(17.5.w),
                     boxShadow: [
                       BoxShadow(
-                        color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                        color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                         offset: Offset(3.w, 0),
                         blurRadius: 10.w,
                         spreadRadius: 0.w,

lib/pages/study_history/widgets/item.dart

@@ -17,7 +17,7 @@ class BuildDayItem extends StatelessWidget {
         borderRadius: BorderRadius.circular(8.w),
         boxShadow:  [
           BoxShadow(
-            color: Colours.cC7.withOpacity(0.5),
+            color: Colours.cC7.withValues(alpha: 0.5),
             offset:  Offset(1, 3.w),
             blurRadius: 10.w,
             spreadRadius: 0,
@@ -101,7 +101,7 @@ class BuildDayItem extends StatelessWidget {
                           mainAxisAlignment: MainAxisAlignment.spaceBetween,
                           children: [
                             Container(
-                              color: AppTheme.primary.withOpacity(0.1),
+                              color: AppTheme.primary.withValues(alpha: 0.1),
                               padding: EdgeInsets.symmetric(horizontal: 3.5.w),
                               child: Text(courseModel.typeName,style: TextStyle(fontSize: 11.w,height: 1.3,color:AppTheme.primary),),
                             ),

lib/pages/study_report/view.dart

@@ -41,7 +41,7 @@ class _StudyReportPageState extends State<StudyReportPage> {
                               color: Colors.white,
                               boxShadow:  [
                                 BoxShadow(
-                                  color: Colours.cC7.withOpacity(0.5),
+                                  color: Colours.cC7.withValues(alpha: 0.5),
                                   offset: Offset(1, 3.w),
                                   blurRadius: 10.w,
                                   spreadRadius: 0,
@@ -86,7 +86,7 @@ class _StudyReportPageState extends State<StudyReportPage> {
                               color: Colors.white,
                               boxShadow:  [
                                 BoxShadow(
-                                  color: Colours.cC7.withOpacity(0.5),
+                                  color: Colours.cC7.withValues(alpha: 0.5),
                                   offset: Offset(1, 3.w),
                                   blurRadius: 10.w,
                                   spreadRadius: 0,
@@ -135,7 +135,7 @@ class _StudyReportPageState extends State<StudyReportPage> {
                               color: Colors.white,
                               boxShadow:  [
                                 BoxShadow(
-                                  color: Colours.cC7.withOpacity(0.5),
+                                  color: Colours.cC7.withValues(alpha: 0.5),
                                   offset:  Offset(1, 3.w),
                                   blurRadius: 10.w,
                                   spreadRadius: 0,
@@ -201,7 +201,7 @@ class _StudyReportPageState extends State<StudyReportPage> {
                               color: Colors.white,
                               boxShadow:  [
                                 BoxShadow(
-                                  color: Colours.cC7.withOpacity(0.5),
+                                  color: Colours.cC7.withValues(alpha: 0.5),
                                   offset: Offset(1, 3.w),
                                   blurRadius: 10.w,
                                   spreadRadius: 0,

lib/pages/user_coin/view.dart

@@ -56,7 +56,7 @@ class _UserCoinPageState extends State<UserCoinPage> {
               color: Colors.white,
               boxShadow: [
                 BoxShadow(
-                  color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                  color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                   offset: Offset(3.w, 0),
                   blurRadius: 10.w,
                   spreadRadius: 0.w,

lib/pages/user_coin_recharge/view.dart

@@ -109,7 +109,7 @@ class _CoinRechargePageState extends State<CoinRechargePage>
           child: Container(
             decoration: BoxDecoration(
                 color: model.selected
-                    ? AppTheme.primary.withOpacity(0.1)
+                    ? AppTheme.primary.withValues(alpha: 0.1)
                     : Colors.white,
                 borderRadius: BorderRadius.circular(8.w),
                 border: Border.all(

lib/pages/user_discuss/widgets/item.dart

@@ -22,7 +22,7 @@ class BuildItem extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(3.w, 0),
             blurRadius: 10.w,
             spreadRadius: 0.w,

lib/pages/user_discuss_des/view.dart

@@ -37,7 +37,7 @@ class _UserDiscussDesPageState extends State<UserDiscussDesPage> {
                     color: Colors.white,
                     boxShadow: [
                       BoxShadow(
-                        color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                        color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                         offset: Offset(1.5.w, 0),
                         blurRadius: 7.w,
                         spreadRadius: 0.w,

lib/pages/user_discuss_des/widgets/discuss.dart

@@ -32,7 +32,7 @@ class _BuildDiscussState extends State<BuildDiscuss> {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(1.5.w, 0),
             blurRadius: 7.w,
             spreadRadius: 0.w,
@@ -355,7 +355,7 @@ class _BuildDiscussState extends State<BuildDiscuss> {
                     bottom: 0,
                     child: Container(
                       alignment: Alignment.center,
-                      // color: widget.model.isMy==1?Colours.c9.withOpacity(0.5):Colours.c9.withOpacity(1),
+                      // color: widget.model.isMy==1?Colours.c9.withValues(alpha: 0.5):Colours.c9.withValues(alpha: 1),
                       child: Text(_showImageStatus(widget.model,mediaModel),style: TextStyle(fontSize: 11.w,height: 1.5,color: AppTheme.primary),),
                     )
                 ),

lib/pages/user_discuss_des/widgets/item.dart

@@ -16,7 +16,7 @@ class BuildItem extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(3.w, 0),
             blurRadius: 10.w,
             spreadRadius: 0.w,

lib/pages/user_discuss_des/widgets/list.dart

@@ -52,7 +52,7 @@ class _BuildListPageState extends State<BuildListPage> with AutomaticKeepAliveCl
                     controller.setShow();
                   },
                   child: Container(
-                    color: const Color(0xFF000000).withOpacity(0.5),
+                    color: const Color(0xFF000000).withValues(alpha: 0.5),
                     child: SingleChildScrollView(
                       reverse: true,
                       child: GestureDetector(
@@ -92,7 +92,7 @@ class _BuildListPageState extends State<BuildListPage> with AutomaticKeepAliveCl
                                       borderRadius: BorderRadius.circular(15.w),
                                       color: AppTheme.primary,
                                       gradient: LinearGradient(
-                                        colors: [const Color(0xFFD53676).withOpacity(0.9),AppTheme.primary] , // 不可点击时的颜色，透明度为0.7
+                                        colors: [const Color(0xFFD53676).withValues(alpha: 0.9),AppTheme.primary] , // 不可点击时的颜色，透明度为0.7
                                         begin: Alignment.topCenter,
                                         end: Alignment.bottomCenter,
                                       ),

lib/pages/user_edit_note/view.dart

@@ -230,7 +230,7 @@ class _UserEditNotePageState extends State<UserEditNotePage> {
                                 borderRadius: BorderRadius.circular(15.w),
                                 color: AppTheme.primary,
                                 gradient: LinearGradient(
-                                  colors: [const Color(0xFFD53676).withOpacity(0.9),AppTheme.primary] , // 不可点击时的颜色，透明度为0.7
+                                  colors: [const Color(0xFFD53676).withValues(alpha: 0.9),AppTheme.primary] , // 不可点击时的颜色，透明度为0.7
                                   begin: Alignment.topCenter,
                                   end: Alignment.bottomCenter,
                                 ),

lib/pages/user_gender/view.dart

@@ -35,7 +35,7 @@ class _UserGenderPageState extends State<UserGenderPage> {
               color: Colors.white,
               boxShadow: [
                 BoxShadow(
-                  color:  const Color(0xFFC7C7C7).withOpacity(0.5),
+                  color:  const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                   offset:  Offset(3.w, 0),
                   blurRadius: 10.w,
                   spreadRadius: 0.w,

lib/pages/user_info/view.dart

@@ -30,7 +30,7 @@ class _UserInfoPageState extends State<UserInfoPage> {
                         color: Colors.white,
                         boxShadow: [
                           BoxShadow(
-                            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                             offset: Offset(3.w, 0),
                             blurRadius: 10.w,
                             spreadRadius: 0.w,
@@ -138,7 +138,7 @@ class _UserInfoPageState extends State<UserInfoPage> {
                             controller.show();
                           },
                           child: Container(
-                            color: const Color(0xFF000000).withOpacity(0.5),
+                            color: const Color(0xFF000000).withValues(alpha: 0.5),
                             child: Align(
                               alignment: Alignment.bottomCenter,
                               child: ClipRRect(

lib/pages/user_love/widgets/item.dart

@@ -19,7 +19,7 @@ class BuildItem extends StatelessWidget {
         borderRadius: BorderRadius.circular(8.w),
         boxShadow: [
           BoxShadow(
-            color: Colours.cC7.withOpacity(0.5), // 阴影颜色
+            color: Colours.cC7.withValues(alpha: 0.5), // 阴影颜色
             spreadRadius: 2.w, // 阴影扩散半径
             blurRadius: 5.w, // 阴影模糊半径
             offset: Offset(0, 2.w), // 阴影偏移

lib/pages/user_msg/widgets/item.dart

@@ -32,7 +32,7 @@ class BuildItem extends StatelessWidget {
               height: 30.w,
               decoration: BoxDecoration(
                   borderRadius: BorderRadius.circular(15.w),
-                  color: AppTheme.primary.withOpacity(0.1)
+                  color: AppTheme.primary.withValues(alpha: 0.1)
               ),
               child: Image.asset(
                 'assets/images/msg.png',

lib/pages/user_nick/view.dart

@@ -56,7 +56,7 @@ class _UserNickPageState extends State<UserNickPage> {
                 height: 42.w,
                 decoration: BoxDecoration(boxShadow: [
                   BoxShadow(
-                    color: Colours.cC7.withOpacity(0.5),
+                    color: Colours.cC7.withValues(alpha: 0.5),
                     spreadRadius: 0.w,
                     blurRadius: 10.w,
                     offset: Offset(3.w, 0),

lib/pages/user_notes/widgets/item.dart

@@ -17,7 +17,7 @@ class BuildItem extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(3.w, 0),
             blurRadius: 10.w,
             spreadRadius: 0.w,

lib/pages/user_notes_des/widgets/high.dart

@@ -18,7 +18,7 @@ class BuildHigh extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(1.5.w, 0),
             blurRadius: 7.w,
             spreadRadius: 0.w,

lib/pages/user_notes_des/widgets/item.dart

@@ -16,7 +16,7 @@ class BuildItem extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(3.w, 0),
             blurRadius: 10.w,
             spreadRadius: 0.w,

lib/pages/user_notes_des/widgets/line.dart

@@ -18,7 +18,7 @@ class BuildLine extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset:  Offset(1.5.w, 0),
             blurRadius: 7.w,
             spreadRadius: 0.w,

lib/pages/user_notes_des/widgets/note.dart

@@ -23,7 +23,7 @@ class BuildNote extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(1.5.w, 0),
             blurRadius: 7.w,
             spreadRadius: 0.w,
@@ -187,7 +187,7 @@ class BuildNote extends StatelessWidget {
                     bottom: 0,
                     child: Container(
                       alignment: Alignment.center,
-                      // color: model.isMy==1?Colours.c9.withOpacity(0.5):Colours.c9.withOpacity(1),
+                      // color: model.isMy==1?Colours.c9.withValues(alpha: 0.5):Colours.c9.withValues(alpha: 1),
                       child: Text(_showMediaModelStatus(model,mediaModel),style: TextStyle(fontSize: 11.w,height: 1.5,color: AppTheme.primary),),
                     )
                 ),

lib/pages/user_order/widgets/awaiting.dart

@@ -25,7 +25,7 @@ class BuiltAwaiting extends StatelessWidget {
           color: Colors.white,
           boxShadow: [
             BoxShadow(
-              color: const Color(0xFFC7C7C7).withOpacity(0.5),
+              color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
               offset: Offset(1.5.w, 0),
               blurRadius: 7.w,
               spreadRadius: 0.w,
@@ -62,7 +62,7 @@ class BuiltAwaiting extends StatelessWidget {
             color: Colors.white,
             boxShadow: [
               BoxShadow(
-                color: const Color(0xFF707070).withOpacity(0.5),
+                color: const Color(0xFF707070).withValues(alpha: 0.5),
                 offset: const Offset(0, 0),
                 blurRadius: 4.5.w,
                 spreadRadius: 0.w,
@@ -310,7 +310,7 @@ class BuiltAwaiting extends StatelessWidget {
                       color: Colors.white,
                       boxShadow: [
                         BoxShadow(
-                          color: const Color(0xFF707070).withOpacity(0.5),
+                          color: const Color(0xFF707070).withValues(alpha: 0.5),
                           offset: const Offset(0, 0),
                           blurRadius: 4.5.w,
                           spreadRadius: 0.w,

lib/pages/user_order/widgets/canceled.dart

@@ -20,7 +20,7 @@ class BuiltCanceled extends StatelessWidget {
           color: Colors.white,
           boxShadow: [
             BoxShadow(
-              color: const Color(0xFFC7C7C7).withOpacity(0.5),
+              color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
               offset: Offset(1.5.w, 0),
               blurRadius: 7.w,
               spreadRadius: 0.w,
@@ -71,7 +71,7 @@ class BuiltCanceled extends StatelessWidget {
                 color: Colors.white,
                 boxShadow: [
                   BoxShadow(
-                    color: const Color(0xFF707070).withOpacity(0.5),
+                    color: const Color(0xFF707070).withValues(alpha: 0.5),
                     offset: const Offset(0, 0),
                     blurRadius: 4.5.w,
                     spreadRadius: 0.w,
@@ -222,7 +222,7 @@ class BuiltCanceled extends StatelessWidget {
                         color: Colors.white,
                         boxShadow: [
                           BoxShadow(
-                            color: const Color(0xFF707070).withOpacity(0.5),
+                            color: const Color(0xFF707070).withValues(alpha: 0.5),
                             offset: const Offset(0, 0),
                             blurRadius: 4.5.w,
                             spreadRadius: 0.w,

lib/pages/user_order/widgets/coin.dart

@@ -44,7 +44,7 @@ class BuiltCoin extends StatelessWidget {
           color: Colors.white,
           boxShadow: [
             BoxShadow(
-              color: const Color(0xFFC7C7C7).withOpacity(0.5),
+              color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
               offset: Offset(1.5.w, 0),
               blurRadius: 7.w,
               spreadRadius: 0.w,

lib/pages/user_order/widgets/completed.dart

@@ -28,7 +28,7 @@ class BuiltCompleted extends StatelessWidget {
             color: Colors.white,
             boxShadow: [
               BoxShadow(
-                color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                 offset: Offset(1.5.w, 0),
                 blurRadius: 7.w,
                 spreadRadius: 0.w,
@@ -78,7 +78,7 @@ class BuiltCompleted extends StatelessWidget {
                 color: Colors.white,
                 boxShadow: [
                   BoxShadow(
-                    color: const Color(0xFF707070).withOpacity(0.5),
+                    color: const Color(0xFF707070).withValues(alpha: 0.5),
                     offset: const Offset(0, 0),
                     blurRadius: 4.5.w,
                     spreadRadius: 0.w,
@@ -243,7 +243,7 @@ class BuiltCompleted extends StatelessWidget {
                         color: Colors.white,
                         boxShadow: [
                           BoxShadow(
-                            color: const Color(0xFF707070).withOpacity(0.5),
+                            color: const Color(0xFF707070).withValues(alpha: 0.5),
                             offset: const Offset(0, 0),
                             blurRadius: 4.5.w,
                             spreadRadius: 0.w,

lib/pages/user_order/widgets/refunded.dart

@@ -18,7 +18,7 @@ class BuiltRefunded extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(1.5.w, 0),
             blurRadius: 7.w,
             spreadRadius: 0.w,
@@ -68,7 +68,7 @@ class BuiltRefunded extends StatelessWidget {
                 color: Colors.white,
                 boxShadow: [
                   BoxShadow(
-                    color: const Color(0xFF707070).withOpacity(0.5),
+                    color: const Color(0xFF707070).withValues(alpha: 0.5),
                     offset: const Offset(0, 0),
                     blurRadius: 4.5.w,
                     spreadRadius: 0.w,
@@ -203,7 +203,7 @@ class BuiltRefunded extends StatelessWidget {
                         color: Colors.white,
                         boxShadow: [
                           BoxShadow(
-                            color: const Color(0xFF707070).withOpacity(0.5),
+                            color: const Color(0xFF707070).withValues(alpha: 0.5),
                             offset: const Offset(0, 0),
                             blurRadius: 4.5.w,
                             spreadRadius: 0.w,

lib/pages/user_order_awaiting/view.dart

@@ -48,7 +48,7 @@ class _UserOrderAwaitingState extends State<UserOrderAwaitingPage> {
                     color: Colors.white,
                     boxShadow: [
                       BoxShadow(
-                        color: Colours.cC7.withOpacity(0.5),
+                        color: Colours.cC7.withValues(alpha: 0.5),
                         offset: Offset(3.w, 0),
                         blurRadius: 10.w,
                         spreadRadius: 0.w,

lib/pages/user_order_cancel_detail/view.dart

@@ -29,7 +29,7 @@ class _UserOrderRefundedState extends State<UserOrderCancelDetailPage> {
                   color: Colors.white,
                   boxShadow: [
                     BoxShadow(
-                      color: Colours.cC7.withOpacity(0.5),
+                      color: Colours.cC7.withValues(alpha: 0.5),
                       offset: Offset(3.w, 0),
                       blurRadius: 10.w,
                       spreadRadius: 0.w,
@@ -210,7 +210,7 @@ class _UserOrderRefundedState extends State<UserOrderCancelDetailPage> {
               //     color: Colors.white,
               //     boxShadow: [
               //       BoxShadow(
-              //         color: Colours.cC7.withOpacity(0.5),
+              //         color: Colours.cC7.withValues(alpha: 0.5),
               //         offset: Offset(3.w, 0),
               //         blurRadius: 10.w,
               //         spreadRadius: 0.w,

lib/pages/user_order_coin_awaiting/view.dart

@@ -50,7 +50,7 @@ class _UserOrderCoinAwaitingState extends State<UserOrderCoinAwaitingPage> {
                     color: Colors.white,
                     boxShadow: [
                       BoxShadow(
-                        color: Colours.cC7.withOpacity(0.5),
+                        color: Colours.cC7.withValues(alpha: 0.5),
                         offset: Offset(3.w, 0),
                         blurRadius: 10.w,
                         spreadRadius: 0.w,

lib/pages/user_order_coin_cancel/view.dart

@@ -50,7 +50,7 @@ class _UserOrderCoinAwaitingState extends State<UserOrderCoinCancelPage> {
                     color: Colors.white,
                     boxShadow: [
                       BoxShadow(
-                        color: Colours.cC7.withOpacity(0.5),
+                        color: Colours.cC7.withValues(alpha: 0.5),
                         offset: Offset(3.w, 0),
                         blurRadius: 10.w,
                         spreadRadius: 0.w,

lib/pages/user_order_coin_completed/view.dart

@@ -50,7 +50,7 @@ class _UserOrderCoinAwaitingState extends State<UserOrderCoinCompletedPage> {
                     color: Colors.white,
                     boxShadow: [
                       BoxShadow(
-                        color: Colours.cC7.withOpacity(0.5),
+                        color: Colours.cC7.withValues(alpha: 0.5),
                         offset: Offset(3.w, 0),
                         blurRadius: 10.w,
                         spreadRadius: 0.w,

lib/pages/user_order_completed/view.dart

@@ -35,7 +35,7 @@ class _UserOrderCompletedState extends State<UserOrderCompletedPage> {
                 color: Colors.white,
                 boxShadow: [
                   BoxShadow(
-                    color: Colours.cC7.withOpacity(0.5),
+                    color: Colours.cC7.withValues(alpha: 0.5),
                     offset: Offset(3.w, 0),
                     blurRadius: 10.w,
                     spreadRadius: 0.w,

lib/pages/user_order_evaluate/view.dart

@@ -109,7 +109,7 @@ class _UserOrderEvaluatePageState extends State<UserOrderEvaluatePage> with Auto
         color: const Color(0xFFF9F9F9),
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: Offset(3.w, 0),
             blurRadius: 7.w,
             spreadRadius: 0.w,
@@ -137,7 +137,7 @@ class _UserOrderEvaluatePageState extends State<UserOrderEvaluatePage> with Auto
                       color: Colors.white,
                       boxShadow: [
                         BoxShadow(
-                          color: const Color(0xFF707070).withOpacity(0.5),
+                          color: const Color(0xFF707070).withValues(alpha: 0.5),
                           offset: const Offset(0, 0),
                           blurRadius: 4.5.w,
                           spreadRadius: 0.w,

lib/pages/user_order_refunded/view.dart

@@ -29,7 +29,7 @@ class _UserOrderRefundedState extends State<UserOrderRefundedPage> {
                   color: Colors.white,
                   boxShadow: [
                     BoxShadow(
-                      color: Colours.cC7.withOpacity(0.5),
+                      color: Colours.cC7.withValues(alpha: 0.5),
                       offset: Offset(3.w, 0),
                       blurRadius: 10.w,
                       spreadRadius: 0.w,
@@ -209,7 +209,7 @@ class _UserOrderRefundedState extends State<UserOrderRefundedPage> {
                   color: Colors.white,
                   boxShadow: [
                     BoxShadow(
-                      color: Colours.cC7.withOpacity(0.5),
+                      color: Colours.cC7.withValues(alpha: 0.5),
                       offset: Offset(3.w, 0),
                       blurRadius: 10.w,
                       spreadRadius: 0.w,

lib/pages/user_point/view.dart

@@ -38,7 +38,7 @@ class _UserPointPageState extends State<UserPointPage> {
               color: Colors.white,
               boxShadow: [
                 BoxShadow(
-                  color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                  color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                   offset: Offset(3.w, 0),
                   blurRadius: 10.w,
                   spreadRadius: 0.w,

lib/pages/user_security/view.dart

@@ -26,7 +26,7 @@ class _UserSecurityPageState extends State<UserSecurityPage> {
               color: Colors.white,
               boxShadow: [
                 BoxShadow(
-                  color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                  color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                   offset: Offset(3.w, 0),
                   blurRadius: 10.w,
                   spreadRadius: 0.w,
@@ -69,7 +69,7 @@ class _UserSecurityPageState extends State<UserSecurityPage> {
               color: Colors.white,
               boxShadow: [
                 BoxShadow(
-                  color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                  color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                   offset: Offset(3.w, 0),
                   blurRadius: 10.w,
                   spreadRadius: 0.w,

lib/pages/user_set/view.dart

@@ -29,7 +29,7 @@ class _UserSetPageState extends State<UserSetPage> {
               color: Colors.white,
               boxShadow: [
                 BoxShadow(
-                  color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                  color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                   offset: Offset(3.w, 0),
                   blurRadius: 10.w,
                   spreadRadius: 0.w,
@@ -212,7 +212,7 @@ class _UserSetPageState extends State<UserSetPage> {
                 color: Colors.white,
                 boxShadow: [
                   BoxShadow(
-                    color: const Color(0xFFC7C7C7).withOpacity(0.5),
+                    color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
                     offset: Offset(3.w, 0),
                     blurRadius: 10.w,
                     spreadRadius: 0.w,

lib/pages/user_wrong/widgets/item.dart

@@ -21,7 +21,7 @@ class BuildItem extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: const Color(0xFFC7C7C7).withOpacity(0.5),
+            color: const Color(0xFFC7C7C7).withValues(alpha: 0.5),
             offset: const Offset(3, 0),
             blurRadius: 10.w,
             spreadRadius: 0.w,

lib/theme.dart

@@ -81,7 +81,7 @@ abstract class AppTheme {
       onSecondary: Colors.white,
       tertiary: Colors.white,
       outline: const Color(0xFFD5D5D5),
-      shadow: const Color(0xFFAB1941).withOpacity(0.08),
+      shadow: const Color(0xFFAB1941).withValues(alpha: 0.08),
       error: error,
       onError: Colors.white,
     );
@@ -99,7 +99,7 @@ abstract class AppTheme {
       onSecondary: Colors.white,
       tertiary: const Color(0xFF141414),
       outline: const Color(0xFF252525),
-      shadow: const Color(0xFF777777).withOpacity(0.08),
+      shadow: const Color(0xFF777777).withValues(alpha: 0.08),
       error: error,
       onError: Colors.white,
     );
@@ -141,7 +141,7 @@ abstract class AppTheme {
       ),
       appBarTheme: AppBarTheme(
         systemOverlayStyle: SystemUiOverlayStyle.dark,
-        backgroundColor: const Color(0xFFAB1941).withOpacity(0.02),
+        backgroundColor: const Color(0xFFAB1941).withValues(alpha: 0.02),
         scrolledUnderElevation: 0,
         elevation: 0,
         centerTitle: true,
@@ -191,7 +191,7 @@ abstract class AppTheme {
         selectedLabelStyle: TextStyle(fontSize: 11.w, fontWeight: Fonts.medium),
         unselectedIconTheme: IconThemeData(
           size: 15.w,
-          color: scheme.onSurface.withOpacity(0.5),
+          color: scheme.onSurface.withValues(alpha: 0.5),
         ),
         selectedIconTheme: IconThemeData(
           size: 15.w,
@@ -218,7 +218,7 @@ abstract class AppTheme {
         ),
         helperStyle: TextStyle(
           fontSize: 15.w,
-          color: scheme.onSurface.withOpacity(0.7),
+          color: scheme.onSurface.withValues(alpha: 0.7),
         ),
         contentPadding: EdgeInsets.symmetric(
           horizontal: 10.w,
@@ -266,7 +266,7 @@ abstract class AppTheme {
       ),
       dividerTheme: DividerThemeData(
         thickness: 1.w,
-        color: scheme.onSurface.withOpacity(0.08),
+        color: scheme.onSurface.withValues(alpha: 0.08),
       ),
     );
   }

lib/widgets/book.dart

@@ -23,7 +23,7 @@ class CustomCard extends StatelessWidget {
         borderRadius: borderRadius ?? BorderRadius.circular(3),
         boxShadow: boxShadow ?? [
           BoxShadow(
-            color: const Color(0xFF707070).withOpacity(0.5),
+            color: const Color(0xFF707070).withValues(alpha: 0.5),
             spreadRadius: 0,
             blurRadius: 4.5,
             offset: const Offset(0, 0),

lib/widgets/button.dart

@@ -99,12 +99,12 @@ class CustomButton extends StatelessWidget {
               case CustomButtonType.ghost:
               case CustomButtonType.borderless:
                 final color = foregroundColor ?? colorScheme.primary;
-                final opacity = color.opacity / 2;
+                final opacity = color.a / 2;
                 if (states.contains(WidgetState.pressed)) {
-                  return color.withOpacity(opacity);
+                  return color.withValues(alpha: opacity);
                 }
                 if (states.contains(WidgetState.disabled)) {
-                  return color.withOpacity(opacity);
+                  return color.withValues(alpha: opacity);
                 }
                 return color;
             }
@@ -113,13 +113,13 @@ class CustomButton extends StatelessWidget {
             switch (type) {
               case CustomButtonType.filled:
                 final color = backgroundColor ??
-                    colorScheme.primary.withOpacity(isIcon ? 0.1 : 1);
-                final opacity = color.opacity / 2;
+                    colorScheme.primary.withValues(alpha: isIcon ? 0.1 : 1);
+                final opacity = color.a / 2;
                 if (states.contains(WidgetState.pressed)) {
-                  return color.withOpacity(opacity);
+                  return color.withValues(alpha: opacity);
                 }
                 if (states.contains(WidgetState.disabled)) {
-                  return color.withOpacity(opacity);
+                  return color.withValues(alpha: opacity);
                 }
                 return color;
               case CustomButtonType.ghost:
@@ -134,15 +134,15 @@ class CustomButton extends StatelessWidget {
                 return BorderSide.none;
               case CustomButtonType.ghost:
                 final color = foregroundColor ?? colorScheme.primary;
-                final opacity = color.opacity / 2;
+                final opacity = color.a / 2;
                 if (states.contains(WidgetState.pressed)) {
                   return BorderSide(
-                    color: color.withOpacity(opacity),
+                    color: color.withValues(alpha: opacity),
                     width: 2.w,
                   );
                 }
                 if (states.contains(WidgetState.disabled)) {
-                  return BorderSide(color: color.withOpacity(opacity));
+                  return BorderSide(color: color.withValues(alpha: opacity));
                 }
                 return BorderSide(
                   color: color,
@@ -182,7 +182,7 @@ class _ButtonWithIcon extends CustomButton {
           ),
           onPressed: onPressed,
           foregroundColor: foregroundColor,
-          backgroundColor: backgroundColor ?? foregroundColor?.withOpacity(0.1),
+          backgroundColor: backgroundColor ?? foregroundColor?.withValues(alpha: 0.1),
           type: type,
           size: size,
           shape: shape,
@@ -261,7 +261,7 @@ class CustomGradientButton extends StatelessWidget {
         borderRadius: BorderRadius.circular(21),
         gradient: LinearGradient(
           colors: isEnabled
-              ?[const Color(0xFFDE2E5E),const Color(0xFFC31F4C)]:[const Color(0xFFDE2E5E).withOpacity(0.7),const Color(0xFFC31F4C).withOpacity(0.7)] , // 不可点击时的颜色，透明度为0.7
+              ?[const Color(0xFFDE2E5E),const Color(0xFFC31F4C)]:[const Color(0xFFDE2E5E).withValues(alpha: 0.7),const Color(0xFFC31F4C).withValues(alpha: 0.7)] , // 不可点击时的颜色，透明度为0.7
           begin: Alignment.centerLeft,
           end: Alignment.centerRight,
         ),

lib/widgets/dialog.dart

@@ -29,7 +29,7 @@ class CustomDialog extends StatelessWidget {
   }) {
     return showDialog<T>(
       context: context,
-      barrierColor: const Color(0xFF09101D).withOpacity(0.6),
+      barrierColor: const Color(0xFF09101D).withValues(alpha: 0.6),
       builder: (context) => CustomDialog(
         title: title,
         confirm: confirm,

lib/widgets/empty.dart

@@ -43,7 +43,7 @@ class CustomEmpty extends StatelessWidget {
                     begin: Alignment.topLeft,
                     end: Alignment.bottomRight,
                     colors: [
-                      Color.alphaBlend(color.withOpacity(0.6), Colors.white),
+                      Color.alphaBlend(color.withValues(alpha: 0.6), Colors.white),
                       color,
                     ],
                   ),

lib/widgets/input.dart

@@ -363,7 +363,7 @@ class CustomInputSearch extends StatelessWidget {
         color: Colors.white,
         boxShadow: [
           BoxShadow(
-            color: Colours.c3.withOpacity(0.1), // 阴影颜色
+            color: Colours.c3.withValues(alpha: 0.1), // 阴影颜色
             spreadRadius: 2, // 阴影扩散程度
             blurRadius: 4, // 阴影模糊程度
             offset: const Offset(0, 2), // 阴影位置

lib/widgets/loading.dart

@@ -96,7 +96,7 @@ class _RingPainter extends CustomPainter {
   void paint(Canvas canvas, Size size) {
     final center = Offset(size.width / 2, size.height / 2);
     final radius = (min(size.width, size.height) - paintWidth) / 2;
-    trackPaint.color = trackColor.withOpacity(0.2);
+    trackPaint.color = trackColor.withValues(alpha: 0.2);
     canvas.drawCircle(center, radius, trackPaint);
     trackPaint.color = trackColor;
     canvas.drawArc(

lib/widgets/toast.dart

@@ -12,7 +12,7 @@ abstract class CustomToast {
       ..radius = 20.w
       ..boxShadow = [
         BoxShadow(
-          color: Theme.of(context).colorScheme.shadow.withOpacity(0.15),
+          color: Theme.of(context).colorScheme.shadow.withValues(alpha: 0.15),
           offset: const Offset(0, 0),
           blurRadius: 20.w,
         ),
@@ -31,7 +31,7 @@ abstract class CustomToast {
         color: Theme.of(context).colorScheme.onSurface,
       )
       ..maskType = EasyLoadingMaskType.clear
-      ..maskColor = const Color(0xFF09101D).withOpacity(0.7)
+      ..maskColor = const Color(0xFF09101D).withValues(alpha: 0.7)
       ..userInteractions = true
       ..successWidget = const CustomToastSuccess()
       ..errorWidget = const CustomToastFail()