下载跨域问题解决

src/utils/stream.js

@@ -1,10 +1,12 @@
 import streamSaver from "streamsaver";
 import "streamsaver/examples/zip-stream.js";
 import store from '@/store'
+streamSaver.mitm = `${window.location.origin}/mitm.html?version=2.0.0`
 // 下载文件并压缩
 function zipFiles(zipName, files) {
     console.log("同步下载打包开始时间：" + new Date());
     store.dispatch('trials/setUnLock', true)
+    files = formatFiles(files)
     // 创建压缩文件输出流  
     const zipFileOutputStream = streamSaver.createWriteStream(zipName);
     // 创建下载文件流  
@@ -50,6 +52,23 @@ async function updateFile(file, name) {
         console.log(err)
     }
 }
+//  同名文件修改名称
+function formatFiles(files) {
+    let fileObj = {};
+    files.forEach(file => {
+        let arr = Object.keys(fileObj);
+        if (!~arr.indexOf(file.name)) {
+            fileObj[file.name] = 1;
+        } else {
+            let name = file.name;
+            file.name = name.split(".")[0] + `(${fileObj[name]})` + name
+                .substring(name.lastIndexOf('.'))
+                .toLocaleLowerCase()
+            fileObj[name]++;
+        }
+    })
+    return files;
+}
 function decodeUtf8(bytes) {
     let str = bytes.split('?');
     let str2 = str[0].split('/');