[完善]网盘基本功能完善

package.json

@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "scripts": {
     "ng": "ng",
-    "start": "ng serve --proxy-config  proxy.config.json  --open --port 4200 ",
+    "start": "ng serve --proxy-config  proxy.config.json  --open --port 4100 ",
     "build": "ng build",
     "test": "ng test",
     "lint": "ng lint",

proxy.config.json

@@ -1,6 +1,6 @@
 {
     "/api": {
-      "target": "http://39.106.78.171:8008",
+      "target": "http://192.168.1.250",
       "secure": false,
       "changeOrigin": true
     }

src/app/http-interceptors/base-interceptor.ts

@@ -44,10 +44,7 @@ export class BaseInterceptor implements HttpInterceptor {
   private handleError(error: HttpErrorResponse) {
     // 用户认证失败返回登录页
     if (error.status === 401||error.status === 614) {
-      this.token.delete()
-      sessionStorage.clear()
-      window.localStorage.clear()
-      this.router.navigate(['/login'])
+  
       const config = new MatSnackBarConfig();
       config.verticalPosition = 'top';
       config.duration = 3000

src/app/is-login.service.ts

@@ -1,13 +1,71 @@
 import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
 
 @Injectable({
   providedIn: 'root'
 })
 export class IsLoginService {
 
-  constructor() { }
+  constructor(private http: HttpClient,) { }
 
   isLogin:boolean = false; //登录状态
-  xxx:any
+
+
+
+  //下载
+  download (e) {
+    let file = e
+    let fileSize = file.fileLength //下载文件的总大小
+    let shardSize = 10 * 1024 * 1024 //文件大小是否大于10MB
+
+    if (file && fileSize<=shardSize) { //<=10MB时直接下载
+      this.http.get(`/api/Objects/PlanPlatform/${file.objectName}`,{responseType: 'blob'},).subscribe(data=>{
+        let url = window.URL.createObjectURL(new Blob([data])); //createObjectURL创建一个下载Blob的url地址
+        let link = document.createElement("a");
+        link.style.display = "none";
+        link.href = url;
+        link.setAttribute("download", e.fileName);
+        document.body.appendChild(link);
+        link.click();
+      })
+    } else if (file && fileSize>shardSize) { //>10MB时分块下载
+      this.blockingDownload(e) //分段下载
+    }
+
+  }
+
+  //分段下载并合并
+  async blockingDownload (e) {
+    let file = e
+    let fileSize = file.fileLength //下载文件的总大小
+    let shardSize = 3 * 1024 * 1024 //3MB一个分片
+    let allSlice = Math.ceil(fileSize / shardSize) //总文件/3MB===共分多少段
+    let allFile:any = [] //所有的file分段
+
+    for (let i=0;i<allSlice;i++) {
+      let start = i * shardSize //每次下载文件开始位置
+      let end = Math.min(fileSize, start + shardSize-1); //每次下载文件结束为止
+
+      let result =  await new Promise ((result,reject)=>{
+      this.http.get(`/api/Objects/PlanPlatform/${file.objectName}`,{headers:{'range':`bytes= ${start}-${end}`},responseType:'blob'}).subscribe(data=>{
+        result(data) }) 
+      })
+      allFile.push(result)
+
+      if (allFile.length === allSlice) { //合并文件输出给浏览器
+        let url = window.URL.createObjectURL(new Blob(allFile)); //createObjectURL创建一个下载Blob的url地址
+        let link = document.createElement("a");
+        link.style.display = "none";
+        link.href = url;
+        link.setAttribute("download", e.fileName);
+        document.body.appendChild(link);
+        link.click();
+      }
+
+    } //for循环
+
+  }
+
+
 
 }

src/app/navigation/navigation.component.ts

@@ -48,7 +48,7 @@ export class NavigationComponent implements OnInit {
     );
   }
   xxx(e){
-    this.sss.xxx = e
+
   }
 }