update

src/components/student/studyStudent.vue

@@ -2342,6 +2342,7 @@ export default {
       }
     },
     downloadFile(url) {
+      let _this = this
       let _url = "";
       if (
         url.indexOf("https://view.officeapps.live.com/op/view.aspx?src=") != -1
@@ -2355,8 +2356,8 @@ export default {
       const x = new XMLHttpRequest();
       x.open("GET", _url, true);
       x.responseType = "blob";
+      _this.$message.success("文件下载中...")
       x.onload = function (e) {
-        _this.$message.success("文件下载中...")
         // const url = window.URL.createObjectURL(x.response);
         // const a = document.createElement("a");
         // a.href = url;

src/components/studyStudent.vue

@@ -8497,6 +8497,7 @@ export default {
         });
     },
     downloadFile(url) {
+      let _this = this
       let _url = "";
       if (
         url.indexOf("https://view.officeapps.live.com/op/view.aspx?src=") != -1
@@ -8510,8 +8511,8 @@ export default {
       const x = new XMLHttpRequest();
       x.open("GET", _url, true);
       x.responseType = "blob";
+      _this.$message.success("文件下载中...")
       x.onload = function (e) {
-        _this.$message.success("文件下载中...")
         // const url = window.URL.createObjectURL(x.response);
         // const a = document.createElement("a");
         // a.href = url;