师资报名提交信息非必填字段重置为空字符串

src/pages/train/form.vue

@@ -39,7 +39,7 @@
           <div class="line">发票信息填写</div>
         </el-form-item>
         <el-form-item label="发票类型" id="fplx" prop="invoice_type">
-          <el-select v-model="form.invoice_type" placeholder="请选择" class="width100">
+          <el-select v-model="form.invoice_type" placeholder="请选择" class="width100" @change="invoiceTypeChange">
             <el-option label="无" value="无"></el-option>
             <el-option label="普通发票" value="增值税普通发票"></el-option>
             <el-option label="专用发票" value="增值税专用发票"></el-option>
@@ -230,6 +230,11 @@ export default {
     goPay() {
       this.isPayPopShow = true
     },
+    invoiceTypeChange(val) {
+      if (val !== '无') {
+        this.form.invoice_detail = '非学历教育*培训费'
+      }
+    },
     getDetail(call) {
       // 登录状态不需要手机号验证码
       action.articleAction.getFormDetail().then(res => {
@@ -420,17 +425,17 @@ export default {
       let promise = new Promise((resolve, reject) => {
         const form = {...this.form}
         if (form.invoice_type !== '增值税专用发票') {
-          delete form.invoice_address_mobile
-          delete form.opening_bank_account
+          form.invoice_address_mobile = ''
+          form.opening_bank_account = ''
           if (form.invoice_type === '无') {
-            delete form.invoice_title
-            delete form.taxpayer_registration_num
-            delete form.invoice_detail
+            form.invoice_title = ''
+            form.taxpayer_registration_num = ''
+            form.invoice_detail = ''
           }
         }
         console.log(form)
         console.log(this.form)
-        action.articleAction.formCommit(this.form).then(res => {
+        action.articleAction.formCommit(form).then(res => {
           if (res && res.code === 200) {
             resolve({
               type: 'enroll',