修改颜色使用方式，增加扩展方法，扩展了长度单位的使用方法

netrain_flutter_app/lib/common/AppColors.dart

+import 'package:flutter/material.dart';
+
 /// 项目颜色配置
 class AppColors{
   /// 标题背景颜色
-  static const titleBackgroundColor = 0xffffffff;
+  static const titleBackgroundColor = Color(0xffffffff);
   /// 主色
-  static const mainColor = 0xff2893FF;
+  static const mainColor = Color(0xff2893FF);
   /// hint颜色
-  static const hintText = 0xffb4b4b4;
+  static const hintText = Color(0xffb4b4b4);
   /// 输入框字体颜色
-  static const EditTextColor = 0xff333333;
-  static const color_999 = 0xff999999;
+  static const EditTextColor = Color(0xff333333);
+  static const color_999 = Color(0xff999999);
   /// 页面背景颜色
-  static const scaffoldBackgroundColor = 0xffffffff;
+  static const scaffoldBackgroundColor = Color(0xffffffff);
   /// 分割线颜色
-  static const dividerColor = 0xffeeeeee;
+  static const dividerColor = Color(0xffeeeeee);
   /// 控件禁用时的颜色
-  static const disabledColor = 0xffdddddd;
+  static const disabledColor = Color(0xffdddddd);
 
-  static const blue_bg_color = 0xFF2893FF;
+  static const blue_bg_color = Color(0xFF2893FF);
 
-  static const blue_bg_color2 = 0xFFEEF9FF;
+  static const blue_bg_color2 = Color(0xFFEEF9FF);
 
-  static const text_default_color = 0xff666666;
+  static const text_default_color = Color(0xff666666);
 
-  static const white_transparent_50 = 0x8CFFFFFF;
+  static const white_transparent_50 = Color(0x8CFFFFFF);
 }
\ No newline at end of file

netrain_flutter_app/lib/common/Ext.dart

+import 'package:flustars/flustars.dart';
+import 'package:flutter/material.dart';
+
+extension IntValue on int{
+  /// 返回根据屏幕宽高适配后尺寸（单位 dp or pt）
+  double dp(){
+    return toDouble().dp();
+  }
+
+  /// 返回间距，应用于四个位置：top，bottom，left，right
+  EdgeInsets spacingAll(){
+    return EdgeInsets.all(dp());
+  }
+  EdgeInsets spacingLeft(){
+    return EdgeInsets.only(left: dp());
+  }
+  EdgeInsets spacingRight(){
+    return EdgeInsets.only(right: dp());
+  }
+  EdgeInsets spacingTop(){
+    return EdgeInsets.only(top: dp());
+  }
+  EdgeInsets spacingBottom(){
+    return EdgeInsets.only(bottom: dp());
+  }
+  EdgeInsets spacingVertical(){
+    return EdgeInsets.symmetric(vertical: dp());
+  }
+  EdgeInsets spacingHorizontal(){
+    return EdgeInsets.symmetric(horizontal: dp());
+  }
+}
+
+extension DoubleValue on double{
+  /// 返回根据屏幕宽高适配后尺寸（单位 dp or pt）
+  double dp(){
+    return ScreenUtil.getInstance().getAdapterSize(this);
+  }
+
+  EdgeInsets spacingAll(){
+    return EdgeInsets.all(dp());
+  }
+  EdgeInsets spacingLeft(){
+    return EdgeInsets.only(left: dp());
+  }
+  EdgeInsets spacingRight(){
+    return EdgeInsets.only(right: dp());
+  }
+  EdgeInsets spacingTop(){
+    return EdgeInsets.only(top: dp());
+  }
+  EdgeInsets spacingBottom(){
+    return EdgeInsets.only(bottom: dp());
+  }
+  EdgeInsets spacingVertical(){
+    return EdgeInsets.symmetric(vertical: dp());
+  }
+  EdgeInsets spacingHorizontal(){
+    return EdgeInsets.symmetric(horizontal: dp());
+  }
+}

netrain_flutter_app/lib/laishanqi/layout_page.dart

@@ -137,7 +137,7 @@ class _LayoutGroupState extends State<LayoutPage> {
                 ),
               ),
               FractionallySizedBox(
-                widthFactor: 0.5,
+                widthFactor: 1,
                 child: Container(
                   decoration: BoxDecoration(color: Colors.grey),
                   child: Text('屏幕的二分之一'),

netrain_flutter_app/lib/laishanqi/netrain/DoctorMain.dart

@@ -30,8 +30,8 @@ class _doctorMainPageState extends State<doctorMainPage> {
         height: 50,
         child: BottomNavigationBar(
           backgroundColor: Colors.white,
-          selectedItemColor: Color(AppColors.mainColor),
-          unselectedItemColor: Color(AppColors.hintText),
+          selectedItemColor: AppColors.mainColor,
+          unselectedItemColor: AppColors.hintText,
           selectedFontSize: 10,
           unselectedFontSize: 10,
           currentIndex: currentIndex,

netrain_flutter_app/lib/laishanqi/netrain/prescription/PharmacyPage.dart

+import 'package:flutter/material.dart';
+import 'package:netrain_flutter_app/common/Ext.dart';
+
+class PharmacyPage extends StatefulWidget {
+
+  @override
+  _PharmacyPageState createState() {
+    return _PharmacyPageState();
+  }
+}
+
+class _PharmacyPageState extends State<PharmacyPage> {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // TODO: implement build
+    return null;
+  }
+}
\ No newline at end of file

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

@@ -95,7 +95,7 @@ class _RegisterState extends State {
                   Text(
                     "密码由9-16位大小写字母、数字加特殊符号组成",
                     style:
-                    TextStyle(color: Color(AppColors.mainColor), fontSize: 12),
+                    TextStyle(color: AppColors.mainColor, fontSize: 12),
                   ),
                   Container(
                     margin: EdgeInsets.only(top: 20),
@@ -105,9 +105,9 @@ class _RegisterState extends State {
                           backgroundColor:
                           MaterialStateProperty.resolveWith((states) {
                             if (states.contains(MaterialState.disabled)) {
-                              return Color(AppColors.disabledColor);
+                              return AppColors.disabledColor;
                             }
-                            return Color(AppColors.mainColor);
+                            return AppColors.mainColor;
                           }),
                         ),
                         child: Text(
@@ -203,11 +203,11 @@ class _RegisterState extends State {
         enabledBorder: UnderlineInputBorder(
           // 默认状态的下划线边框
             borderSide:
-            BorderSide(color: Color(AppColors.dividerColor), width: 0.5)),
+            BorderSide(color: AppColors.dividerColor, width: 0.5)),
         focusedBorder: UnderlineInputBorder(
           // 输入框获取焦点后
             borderSide:
-            BorderSide(color: Color(AppColors.mainColor), width: 0.5)),
+            BorderSide(color: AppColors.mainColor, width: 0.5)),
         errorBorder: UnderlineInputBorder(
           // 错误的时候
             borderSide: BorderSide(color: Colors.red, width: 0.5)),

netrain_flutter_app/lib/main.dart

+import 'package:flustars/flustars.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
@@ -38,6 +39,7 @@ class MyApp extends StatelessWidget {
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
+    setDesignWHD(375, 812);
     // 设置状态栏为透明
     SystemUiOverlayStyle systemUiOverlayStyle =
         SystemUiOverlayStyle(statusBarColor: Colors.transparent);
@@ -48,11 +50,11 @@ class MyApp extends StatelessWidget {
           title: 'Flutter Demo',
           initialRoute: "main",
           theme: ThemeData(
-            primaryColor: Color(AppColors.titleBackgroundColor),
-            hintColor: Color(AppColors.hintText),
-            accentColor: Color(AppColors.mainColor),
-            dividerColor: Color(AppColors.dividerColor),
-            scaffoldBackgroundColor: Color(AppColors.scaffoldBackgroundColor),
+            primaryColor: AppColors.titleBackgroundColor,
+            hintColor: AppColors.hintText,
+            accentColor: AppColors.mainColor,
+            dividerColor: AppColors.dividerColor,
+            scaffoldBackgroundColor: AppColors.scaffoldBackgroundColor,
             visualDensity: VisualDensity.adaptivePlatformDensity,
           ),
           localizationsDelegates: [

netrain_flutter_app/lib/xuehao/BottomNavpage.dart

@@ -80,7 +80,7 @@ class _HomePageState extends State<HomePage> {
     return Scaffold(
       appBar: AppBar(
         elevation: 0,
-        backgroundColor: Color(AppColors.blue_bg_color),
+        backgroundColor: (AppColors.blue_bg_color),
         title: Text(
           "基本信息",
           style: TextStyle(
@@ -108,7 +108,7 @@ class _HomePageState extends State<HomePage> {
       body: new Column(children: [
         Container(
           height: 80,
-          color: Color(AppColors.blue_bg_color),
+          color: (AppColors.blue_bg_color),
           child: Column(
             children: [
               Spacer(),
@@ -122,7 +122,7 @@ class _HomePageState extends State<HomePage> {
                     width: 22,
                     child: Text(
                       "1",
-                      style: TextStyle(color: Color(AppColors.blue_bg_color)),
+                      style: TextStyle(color: (AppColors.blue_bg_color)),
                     ),
                     decoration: BoxDecoration(
                       borderRadius: BorderRadius.circular(11.0),
@@ -136,11 +136,11 @@ class _HomePageState extends State<HomePage> {
                     width: 22,
                     child: Text(
                       "2",
-                      style: TextStyle(color: Color(AppColors.blue_bg_color)),
+                      style: TextStyle(color: (AppColors.blue_bg_color)),
                     ),
                     decoration: BoxDecoration(
                       borderRadius: BorderRadius.circular(11.0),
-                      color: Color(AppColors.white_transparent_50),
+                      color: (AppColors.white_transparent_50),
                     ),
                   ),
                   Spacer(),
@@ -150,11 +150,11 @@ class _HomePageState extends State<HomePage> {
                     width: 22,
                     child: Text(
                       "3",
-                      style: TextStyle(color: Color(AppColors.blue_bg_color)),
+                      style: TextStyle(color: (AppColors.blue_bg_color)),
                     ),
                     decoration: BoxDecoration(
                       borderRadius: BorderRadius.circular(11.0),
-                      color: Color(AppColors.white_transparent_50),
+                      color: (AppColors.white_transparent_50),
                     ),
                   ),
                   SizedBox(width: 54),
@@ -173,14 +173,14 @@ class _HomePageState extends State<HomePage> {
                   Text(
                     "提交证件",
                     style: TextStyle(
-                        color: Color(AppColors.white_transparent_50),
+                        color: (AppColors.white_transparent_50),
                         fontSize: 12),
                   ),
                   Spacer(),
                   Text(
                     "审核完毕",
                     style: TextStyle(
-                        color: Color(AppColors.white_transparent_50),
+                        color: (AppColors.white_transparent_50),
                         fontSize: 12),
                   ),
                   SizedBox(width: 41),
@@ -194,7 +194,7 @@ class _HomePageState extends State<HomePage> {
           margin: EdgeInsets.all(16),
           padding: EdgeInsets.fromLTRB(0, 0, 0, 16),
           decoration: BoxDecoration(
-            color: Color(AppColors.blue_bg_color2),
+            color: (AppColors.blue_bg_color2),
             borderRadius: BorderRadius.circular(4.0),
           ),
           child: Column(
@@ -203,7 +203,7 @@ class _HomePageState extends State<HomePage> {
                 child: Text(
                   "您完成所有认证资料，并完成互联网医院认证备案后，杏联医生工作室将为您提供以下功能:",
                   style: TextStyle(
-                      fontSize: 12, color: Color(AppColors.text_default_color)),
+                      fontSize: 12, color: AppColors.text_default_color),
                 ),
                 margin: EdgeInsets.all(10),
               ),
@@ -220,13 +220,13 @@ class _HomePageState extends State<HomePage> {
                                 "邀请患者",
                                 style: TextStyle(
                                     fontSize: 16,
-                                    color: Color(AppColors.EditTextColor),
+                                    color: (AppColors.EditTextColor),
                                     fontWeight: FontWeight.bold),
                               ),
                               Text(
                                 "专属二维码",
                                 style: TextStyle(
-                                    color: Color(AppColors.text_default_color),
+                                    color: (AppColors.text_default_color),
                                     fontSize: 12
                                 ),
                               )
@@ -249,13 +249,13 @@ class _HomePageState extends State<HomePage> {
                                 "电子处方权",
                                 style: TextStyle(
                                     fontSize: 16,
-                                    color: Color(AppColors.EditTextColor),
+                                    color: AppColors.EditTextColor,
                                     fontWeight: FontWeight.bold),
                               ),
                               Text(
                                 "建立自己的诊室",
                                 style: TextStyle(
-                                    color: Color(AppColors.text_default_color),
+                                    color: AppColors.text_default_color,
                                     fontSize: 12
                                 ),
                               )