完善资产的授权功能

web/src/service/permission.js

@@ -6,4 +6,11 @@ export function hasPermission(owner) {
     }
 
     return user['id'] === owner;
+}
+
+export function isAdmin(){
+    let userJsonStr = sessionStorage.getItem('user');
+    let user = JSON.parse(userJsonStr);
+    return user['role'] === 'admin';
+
 }