注册页输入框换成TextFormField

netrain_flutter_app/lib/laishanqi/netrain/DoctorHomePage.dart

+import 'package:flutter/material.dart';
+
+class DoctorHomePage extends StatefulWidget {
+
+  @override
+  _DoctorHomePageState createState() => _DoctorHomePageState();
+}
+
+class _DoctorHomePageState extends State<DoctorHomePage>{
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container();
+  }
+}

netrain_flutter_app/lib/laishanqi/netrain/user/RegisterPage.dart

@@ -18,12 +18,13 @@ class _RegisterState extends State {
   final passwordController = TextEditingController();
   var isShowPassword = false;
   var isShowClean = false;
+  final GlobalKey<FormState> _formKey = GlobalKey();
 
   @override
   void initState() {
     super.initState();
 
-    nameController.addListener(() {
+    /*nameController.addListener(() {
       setState(() {});
     });
     phoneController.addListener(() {
@@ -31,7 +32,7 @@ class _RegisterState extends State {
     });
     codeController.addListener(() {
       setState(() {});
-    });
+    });*/
     passwordController.addListener(() {
       print("密码  ${passwordController.text}");
       setState(() {
@@ -70,13 +71,20 @@ class _RegisterState extends State {
       ),
       body: Container(
           margin: EdgeInsets.fromLTRB(16, 0, 16, 0),
+          child: Form(
+              key:_formKey,
               child: ListView(
                 children: [
-              _getTextField(TextInputType.text,"请输入姓名", nameController, 10, false),
-              _getTextField(TextInputType.number,"请输入手机号码", phoneController, 11, false),
+                  _getTextField(
+                      TextInputType.text, "请输入姓名", nameController, 10, false),
+                  _getTextField(
+                      TextInputType.number, "请输入手机号码", phoneController, 11,
+                      false),
                   Stack(
                     children: [
-                  _getTextField(TextInputType.number,"请输入验证码", codeController, 8, false),
+                      _getTextField(
+                          TextInputType.number, "请输入验证码", codeController, 8,
+                          false),
                       Positioned(
                         child: Text("获取验证码"),
                         right: 16,
@@ -107,15 +115,17 @@ class _RegisterState extends State {
                           "注册",
                           style: TextStyle(color: Colors.white),
                         ),
-                    onPressed: checkIsAllEmpty() ? null : onRegisterClick),
+                        onPressed: onRegisterClick),
                   )
                 ],
-          )),
+              ))),
     );
   }
 
   onRegisterClick() {
-    ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("注册")));
+    if(_formKey.currentState.validate()){
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("请求注册")));
+    }
   }
 
   /// 校验是否全部为空
@@ -130,8 +140,8 @@ class _RegisterState extends State {
   }
 
   Widget _getPassWordField() {
-    TextField password =
-        _getTextField(TextInputType.number,"请输入9-16位密码", passwordController, 16, isShowPassword);
+    TextFormField password = _getTextField(TextInputType.number, "请输入9-16位密码",
+        passwordController, 16, isShowPassword);
     return Stack(
       children: [
         password,
@@ -159,7 +169,8 @@ class _RegisterState extends State {
                       : Icon(Icons.visibility),
                   onPressed: () {
                     setState(() {
-                      isShowPassword = !password.obscureText;
+                      isShowPassword = !isShowPassword;
+                      // isShowPassword = !password.obscureText;
                     });
                   },
                 ))),
@@ -168,25 +179,33 @@ class _RegisterState extends State {
   }
 
   /// 输入框
-  Widget _getTextField(TextInputType keyboardType,String hintText, TextEditingController controller,
-      int maxLength, bool isPassword) {
-    return TextField(
+  Widget _getTextField(TextInputType keyboardType, String hintText,
+      TextEditingController controller, int maxLength, bool isPassword) {
+    return TextFormField(
+      validator: (value) {
+        if(value.isEmpty){
+          return "${hintText}不能为空";
+        }else{
+          return null;
+        }
+      },
       keyboardType: keyboardType,
       obscureText: isPassword,
       buildCounter: (context, {currentLength, isFocused, maxLength}) => null,
       maxLength: maxLength,
-      autofocus: false,      // 自动获取焦点
+      autofocus: false,
+      // 自动获取焦点
       decoration: InputDecoration(
         labelStyle: TextStyle(height: 0.5),
         //装饰
         alignLabelWithHint: true,
         contentPadding: EdgeInsets.only(top: 20, bottom: 10),
         enabledBorder: UnderlineInputBorder(
-            // 默认输入状态的下划线边框
+          // 默认状态的下划线边框
             borderSide:
             BorderSide(color: Color(AppColors.dividerColor), width: 0.5)),
         focusedBorder: UnderlineInputBorder(
-            // 获取焦点后
+          // 输入框获取焦点后
             borderSide:
             BorderSide(color: Color(AppColors.mainColor), width: 0.5)),
         errorBorder: UnderlineInputBorder(