优化下载解析blob异常提示

src/plugins/download.js

@@ -2,6 +2,7 @@ import axios from 'axios'
 import { ElMessage } from 'element-plus'
 import { saveAs } from 'file-saver'
 import { getToken } from '@/utils/auth'
+import errorCode from '@/utils/errorCode'
 import { blobValidate } from '@/utils/ruoyi'
 
 const baseURL = import.meta.env.VITE_APP_BASE_API
@@ -15,12 +16,12 @@ export default {
       responseType: 'blob',
       headers: { 'Authorization': 'Bearer ' + getToken() }
     }).then(async (res) => {
-      const isLogin = await this.blobValidate(res.data);
+      const isLogin = await blobValidate(res.data);
       if (isLogin) {
         const blob = new Blob([res.data])
         this.saveAs(blob, decodeURI(res.headers['download-filename']))
       } else {
-        ElMessage.error('无效的会话，或者会话已过期，请重新登录。');
+        this.printErrMsg(res.data);
       }
     })
   },
@@ -32,12 +33,12 @@ export default {
       responseType: 'blob',
       headers: { 'Authorization': 'Bearer ' + getToken() }
     }).then(async (res) => {
-      const isLogin = await this.blobValidate(res.data);
+      const isLogin = await blobValidate(res.data);
       if (isLogin) {
         const blob = new Blob([res.data])
         this.saveAs(blob, decodeURI(res.headers['download-filename']))
       } else {
-        ElMessage.error('无效的会话，或者会话已过期，请重新登录。');
+        this.printErrMsg(res.data);
       }
     })
   },
@@ -54,12 +55,18 @@ export default {
         const blob = new Blob([res.data], { type: 'application/zip' })
         this.saveAs(blob, name)
       } else {
-        ElMessage.error('无效的会话，或者会话已过期，请重新登录。');
+        this.printErrMsg(res.data);
       }
     })
   },
   saveAs(text, name, opts) {
     saveAs(text, name, opts);
+  },
+  async printErrMsg(data) {
+    const resText = await data.text();
+    const rspObj = JSON.parse(resText);
+    const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
+    ElMessage.error(errMsg);
   }
 }
 

src/utils/request.js

@@ -108,7 +108,10 @@ export function download(url, params, filename) {
       const blob = new Blob([data])
       saveAs(blob, filename)
     } else {
-      ElMessage.error('无效的会话，或者会话已过期，请重新登录。');
+      const resText = await data.text();
+      const rspObj = JSON.parse(resText);
+      const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
+      ElMessage.error(errMsg);
     }
     downloadLoadingInstance.close();
   }).catch((r) => {