hyzp_ybqx-Commit097：优化。已经能够保存已登录的用户信息

lib/pages/Login/LoginByName3.dart

@@ -418,7 +418,22 @@ class _LoginPageState extends State<LoginByName3> {
   ///构建历史账号ListView
   Widget _buildListView() {
     if (g_can_expand_ListView) {
-      return Column(
+      return Center(
+        child: Container(
+          width: ScreenUtil().screenWidth * 0.9,
+          decoration: BoxDecoration(
+            border: Border(
+              left: BorderSide(width: 1, color: Colors.black),
+              right: BorderSide(width: 1, color: Colors.black),
+              bottom: BorderSide(width: 1, color: Colors.black),
+            ),
+          ),
+          // decoration: new BoxDecoration(
+          //   border: new Border.all(color: Colors.black, width: 0.5),
+          //   // color: Colors.black,
+          //   // borderRadius: new BorderRadius.circular((20.0)),
+          // ),
+          child: Column(
             children: [
               ListView.builder(
                 shrinkWrap: true,
@@ -429,7 +444,6 @@ class _LoginPageState extends State<LoginByName3> {
                     child: Column(
                       children: [
                         Container(
-                      width: ScreenUtil().screenWidth * 0.9,
                           // color: Colors.grey[200],
                           color: Colors.grey[200],
                           padding: EdgeInsets.only(left: 8, top: 8, right: 8, bottom: 8),
@@ -477,6 +491,8 @@ class _LoginPageState extends State<LoginByName3> {
                 itemCount: g_users.length,
               )
             ],
+          ),
+        ),
       );
     }
     return Container();