记住用户名

src/UI/Components/MainContent/Login.tsx

@@ -13,6 +13,8 @@ interface ILoginState
     pass_word?: string;
 }
 
+const USERNAME = "userName";
+
 @inject('store')
 @observer
 export default class Login extends React.Component<{ store?: TopPanelStore }, ILoginState> {
@@ -22,7 +24,7 @@ export default class Login extends React.Component<{ store?: TopPanelStore }, IL
     constructor(props)
     {
         super(props);
-        this.state = {};
+        this.state = { user_name: sessionStorage.getItem(USERNAME) };
     }
 
     handleLogin = async () =>
@@ -33,7 +35,7 @@ export default class Login extends React.Component<{ store?: TopPanelStore }, IL
         if (data.err_code === RequestStatus.Ok)
         {
             sessionStorage.setItem('isLogin', data);
-            sessionStorage.setItem('userName', this.state.user_name);
+            sessionStorage.setItem(USERNAME, this.state.user_name);
             this.props.store.isLogin = true;
             this.props.store.openMain = true;
         }