修改bug3.0

src/views/lecturer/FinalDraft.vue

@@ -2,6 +2,7 @@
 import {mapActions, mapGetters} from "vuex";
 import {getCertificationProcess, getTeacherInfo, setOfflineTutoring, treeList} from "@/api/modules/lecturer"
 import processStatus from "@/components/processStatus.vue";
+import axios from "axios";
 export default {
   name: "FinalDraft",
   components: {processStatus},
@@ -143,6 +144,14 @@ export default {
         message: '上传失败',
         type: 'error'
       });
+    },
+    beforeUpload(file) {
+      axios.defaults.timeout = 30000;
+      const isLt2M = file.size / 1024 / 1024 <= 500;
+      if (!isLt2M) {
+        this.$message.error('文件大小超出500M，请重新上传');
+      }
+      return isLt2M;
     }
   },
   created() {
@@ -209,6 +218,7 @@ export default {
               :on-success="handlSuccess"
               :on-error="handlError"
               :limit="1"
+              :before-upload="beforeUpload"
               :on-remove="handRemove"
               multiple>
               <i class="el-icon-upload"></i>