兼容IE下载

src/main/webapp/app/shared/common/common.service.ts

 import {Injectable, OnInit} from "@angular/core";
-import {NzModalService} from 'ng-zorro-antd';
+import {NzMessageService, NzModalService} from 'ng-zorro-antd';
 import {SERVER_API_URL, SERVER_API_URL_COMS} from '../../app.constants';
 import {DatePipe} from '@angular/common';
 @Injectable()
 export class CommonService implements OnInit {
 
-    constructor(private modalSer:NzModalService,private datePipe:DatePipe) {
+    constructor(private modalSer:NzModalService,private datePipe:DatePipe,
+                private message:NzMessageService) {
         // 定义发射事件
     }
 
@@ -98,16 +99,31 @@ export class CommonService implements OnInit {
      * 下载文件
      * @param url 文件URL
      */
-    downloadFile(title,data: Response) {
-        const blob = new Blob([data], {type:"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;"});
-        const url= window.URL.createObjectURL(blob);
-        let link = document.createElement("a");
-        link.setAttribute("href", url);
-        link.setAttribute("download", title);
+    downloadFile(title, data: Response) {
+        const blob = new Blob([data], {type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;'});
+
+        const ie = navigator.userAgent.match(/MSIE\s([\d.]+)/),
+            ie11 = navigator.userAgent.match(/Trident\/7.0/) && navigator.userAgent.match(/rv:11/),
+            ieEDGE = navigator.userAgent.match(/Edge/g),
+            ieVer = (ie ? ie[1] : (ie11 ? 11 : (ieEDGE ? 12 : -1)));
+        console.log('ie:' + ie);
+        console.log('ieVer:' + ieVer);
+        if (ie && ieVer < 10) {
+            this.message.error('No blobs on IE<10');
+            return;
+        }
+        if (ieVer > -1) {
+            window.navigator.msSaveBlob(blob, title);
+        } else {
+            const url = window.URL.createObjectURL(blob);
+            let link = document.createElement('a');
+            link.setAttribute('href', url);
+            link.setAttribute('download', title);
             document.body.appendChild(link);
             link.click();
             document.body.removeChild(link);
         }
+    }
 
     /**
      * 部分区域全屏