fix:修改bug

src/modules/cert/views/Index.vue

@@ -4,7 +4,7 @@
     <div class="cert" v-else>
       <el-button type="primary" @click="downImg">证书下载</el-button>
       <div class="img">
-        <img :src="item.url" :key="index" alt="" v-for="(item, index) in data">
+        <img :src="item.url" :key="index" alt="" v-for="(item, index) in data" />
       </div>
     </div>
   </app-container>
@@ -18,7 +18,7 @@ export default {
       msg: ''
     }
   },
-  mounted () {
+  mounted() {
     api.getCert().then(response => {
       console.log(response)
       if (response.code === 1) {
@@ -31,18 +31,44 @@ export default {
   methods: {
     downImg() {
       this.data.forEach((item, index) => {
-        window.open(item.url)
+        // window.open(item.url)
         setTimeout(() => {
+          this.downImg2(item.url, index)
         }, index * 1000)
       })
+    },
+    downImg2(url, name) {
+      const image = new Image()
+      image.setAttribute('crossOrigin', 'anonymous')
+      image.src = url
+      image.onload = () => {
+        const canvas = document.createElement('canvas')
+        canvas.width = image.width
+        canvas.height = image.height
+        const ctx = canvas.getContext('2d')
+        ctx.drawImage(image, 0, 0, image.width, image.height)
+        canvas.toBlob(blob => {
+          const url = URL.createObjectURL(blob)
+          this.download(url, name)
+          // 用完释放URL对象
+          URL.revokeObjectURL(url)
+        })
+      }
+    },
+    download(href, name) {
+      const eleLink = document.createElement('a')
+      eleLink.download = name
+      eleLink.href = href
+      eleLink.click()
+      eleLink.remove()
     }
   }
 }
 </script>
 <style lang="scss" scoped>
-.img{
+.img {
   width: 80%;
-  img{
+  img {
     width: 100%;
     display: block;
     margin-top: 20px;

src/utils/axios.js

@@ -29,22 +29,25 @@ httpRequest.interceptors.request.use(
 httpRequest.interceptors.response.use(
   function (response) {
     const { data, config } = response
+    // if (config.url.indexOf('education/certificate') !== -1) {
+    //   return data
+    // } else {
+    //   if (data.code === 0) {
+    //     return data
+    //   } else {
+    //     Message.error(data.msg || data.message)
+    //     return Promise.reject(data)
+    //   }
+    //   return data
+    // }
     if (config.url.indexOf('education/certificate') !== -1) {
-      if (data.code === 0) {
-        return data
-      } else {
-        Message.error(data.msg || data.message)
-        return Promise.reject(data)
-      }
-    } else {
-      if (data.code === 0) {
-        return data
-      } else {
-        Message.error(data.msg || data.message)
-        return Promise.reject(data)
-      }
+      return data
+    }
+    if (data.code) {
+      Message.error(data.msg || data.message)
+      return Promise.reject(data)
     }
-    // return data
+    return data
   },
   function (error) {
     if (error.response) {