update drawer

update example
update docs

example/lib/example_drawer.dart

@@ -0,0 +1,39 @@
+import 'package:ansu_ui/ansu_ui.dart';
+import 'package:flutter/material.dart';
+
+class ExampleDrawer extends StatefulWidget {
+  ExampleDrawer({Key key}) : super(key: key);
+
+  @override
+  _ExampleDrawerState createState() => _ExampleDrawerState();
+}
+
+class _ExampleDrawerState extends State<ExampleDrawer> {
+  @override
+  Widget build(BuildContext context) {
+    return ASScaffold(
+      title: 'Drawer',
+      endDrawer: ASDrawer(
+        children: [
+          Text('title'),
+        ],
+        bottom: ASLongButton.solid(
+          title: '确定',
+          onPressed: () {},
+        ),
+      ),
+      body: Center(
+        child: Builder(
+          builder: (context) {
+            return ASLongButton.solid(
+              title: 'DRAWER',
+              onPressed: () {
+                Scaffold.of(context).openEndDrawer();
+              },
+            );
+          },
+        ),
+      ),
+    );
+  }
+}

example/lib/example_scaffold.dart

@@ -26,14 +26,16 @@ class _ExampleScaffoldState extends State<ExampleScaffold>
   @override
   Widget build(BuildContext context) {
     return ASScaffold(
-      title: '标题 Scaffold',
+      title: '框架 Scaffold',
       appBarBottom: ASTabBar(
         items: tabs,
         isScrollable: true,
         controller: _tabController,
       ),
       endDrawer: ASDrawer(
-        child: Text('DRAWER'),
+        children: [
+          Text('DRAWER'),
+        ],
       ),
       body: ListView(
         children: [

example/lib/example_tab_bar.dart

@@ -32,7 +32,7 @@ class _ExampleTabBarState extends State<ExampleTabBar>
   @override
   Widget build(BuildContext context) {
     return ASScaffold(
-      title: 'TabBar',
+      title: '选项卡 TabBar',
       appBarBottom: PreferredSize(
         child: Column(
           children: [

example/lib/main.dart

@@ -1,5 +1,6 @@
 import 'package:ansu_ui/ansu_ui.dart';
 import 'package:example/example_bottom_button.dart';
+import 'package:example/example_drawer.dart';
 import 'package:example/example_tag.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
@@ -66,9 +67,9 @@ class _MyHomePageState extends State<MyHomePage> {
           ASButton.info(
               title: '按钮 Button', onPressed: () => Get.to(ExampleButton())),
           ASButton.info(
-              title: 'Scaffold', onPressed: () => Get.to(ExampleScaffold())),
+              title: '框架 Scaffold', onPressed: () => Get.to(ExampleScaffold())),
           ASButton.info(
-              title: 'Tabbar', onPressed: () => Get.to(ExampleTabBar())),
+              title: '选项卡 Tabbar', onPressed: () => Get.to(ExampleTabBar())),
           ASButton.info(
               title: '数量选择器NumericButton',
               onPressed: () => Get.to(ExampleNumericButton())),
@@ -78,7 +79,14 @@ class _MyHomePageState extends State<MyHomePage> {
             title: '底部按钮 BottomButton',
             onPressed: () => Get.to(ExampleBottomButton()),
           ),
-          ASButton.info(title: '标签 TAG',onPressed: () => Get.to(ExampleTag()),),
+          ASButton.info(
+            title: '标签 TAG',
+            onPressed: () => Get.to(ExampleTag()),
+          ),
+          ASButton.info(
+            title: '抽屉 DRAWER',
+            onPressed: () => Get.to(ExampleDrawer()),
+          ),
         ],
       ),
     );

lib/drawer/as_drawer.dart

@@ -4,9 +4,54 @@ import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 ///安速抽屉
 class ASDrawer extends StatefulWidget {
+  ///子组件List Children
+  ///
+  ///内部为ListView实现
+  final List<Widget> children;
+
+  ///Padding
+  ///
+  ///默认Padding `EdgeInsets.fromLTRB(26.w, 24.w, 26.w, 90.w)`
+  final EdgeInsets padding;
+
+  ///底部操作空间
+  ///
+  ///默认
+  ///```dart
+  ///bottom: 45.w,
+  ///left: 26.w,
+  ///right: 26.w,
+  ///```
+  final Widget bottom;
+
   ///子组件
+  ///
+  ///使用该选项，`bottom`、`padding`、`children`将失效
   final Widget child;
-  ASDrawer({Key key, @required this.child}) : super(key: key);
+
+  ///默认抽屉
+  ///
+  ///默认Padding `EdgeInsets.fromLTRB(26.w, 24.w, 26.w, 90.w)`
+  ASDrawer({
+    Key key,
+    this.children,
+    this.bottom,
+    this.child,
+  })  : this.padding = EdgeInsets.fromLTRB(26.w, 24.w, 26.w, 90.w),
+        assert(child != null || children != null,
+            'child or children cant be null'),
+        super(key: key);
+
+  ///自定义Padding
+  ASDrawer.padding({
+    Key key,
+    this.padding = EdgeInsets.zero,
+    this.children,
+    this.child,
+    this.bottom,
+  })  : assert(child != null || children != null,
+            'child or children cant be null'),
+        super(key: key);
 
   @override
   _ASDrawerState createState() => _ASDrawerState();
@@ -17,16 +62,28 @@ class _ASDrawerState extends State<ASDrawer> {
   Widget build(BuildContext context) {
     return Align(
       alignment: Alignment.bottomRight,
-      child: SizedBox(
-        height: screenHeight - statusBarHeight,
-        width: screenWidth - 44.w,
-        child: Material(
-          shape: RoundedRectangleBorder(
-            borderRadius: BorderRadius.only(
-              topLeft: Radius.circular(34.w),
-            ),
+      child: ClipRRect(
+        borderRadius: BorderRadius.only(topLeft: Radius.circular(34.w)),
+        child: SizedBox(
+          height: screenHeight - statusBarHeight,
+          width: screenWidth - 44.w,
+          child: Material(
+            child: widget.child ??
+                Stack(
+                  children: [
+                    ListView(
+                      padding: widget.padding,
+                      children: widget.children,
+                    ),
+                    Positioned(
+                      child: widget.bottom ?? SizedBox(),
+                      bottom: 45.w,
+                      left: 26.w,
+                      right: 26.w,
+                    ),
+                  ],
+                ),
           ),
-          child: widget.child,
         ),
       ),
     );