将service移动到services文件夹中

index/src/app/services/local-storage.service.ts

@@ -0,0 +1,63 @@
+import {Injectable} from '@angular/core';
+import {User} from '../class/User';
+
+@Injectable({
+    providedIn: 'root'
+})
+export class LocalStorageService {
+
+    constructor() {
+    }
+
+    // 1分钟
+    readonly place = 60 * 1000;
+
+    getToken(): string {
+        return localStorage.getItem('token');
+    }
+
+    setToken(token: string) {
+        localStorage.setItem('t', new Date().valueOf().toString());
+        localStorage.setItem('token', token);
+    }
+
+    removeToken() {
+        localStorage.removeItem('token');
+    }
+
+    isLogin() {
+        return this.getToken() != null;
+    }
+
+    setUser(user: User) {
+        // TODO: 简单加个密
+        localStorage.setItem('t', new Date().valueOf().toString());
+        return localStorage.setItem('user', JSON.stringify(user));
+    }
+
+    getUser(): User {
+        if (!this.checkNeedNet()) {
+            return JSON.parse(localStorage.getItem('user'));
+        }
+    }
+
+    removeUser() {
+        return localStorage.removeItem('user');
+    }
+
+    clear() {
+        localStorage.removeItem('token');
+        localStorage.removeItem('user');
+        return localStorage.removeItem('t');
+    }
+
+    checkNeedNet() {
+        const t: number = Number.parseInt(localStorage.getItem('t'), 10);
+        if (isNaN(t) || new Date().valueOf() - t > this.place) {
+            localStorage.removeItem('t');
+            localStorage.removeItem('user');
+            return true;
+        }
+        return false;
+    }
+}