登录后重新渲染个人页面bug fixed

lib/states/token.dart

@@ -0,0 +1,33 @@
+import 'package:fengshui_compass/utils/sp_utils.dart';
+import 'package:flutter/material.dart';
+
+import '../models/login_bean.dart';
+
+class TokenProvider extends ChangeNotifier {
+  TokenProvider() {
+    loadToken();
+  }
+
+  LoginBean _loginBean;
+
+  bool get isLogin => _loginBean != null;
+
+  loadToken() {
+    Map<String, dynamic> map = SPUtil.getObject("token_bean");
+    if (map != null) {
+      //加载缓存
+      _loginBean = LoginBean.fromMap(map);
+    }
+    notifyListeners();
+  }
+
+  clearToken() {
+    _loginBean = null;
+    notifyListeners();
+  }
+
+  setToken(LoginBean lb) {
+    _loginBean = lb;
+    notifyListeners();
+  }
+}