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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| import 'package:get/get.dart'; | ||
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| class CountController extends GetxController { | ||
| final _count = 0.obs; | ||
| set count(value) => this._count.value = value; | ||
| get count => this._count.value; | ||
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| final _count2 = 0.obs; | ||
| set count2(value) => this._count2.value = value; | ||
| get count2 => this._count2.value; | ||
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| add() => _count.value++; | ||
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| add2() => _count2.value++; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| import 'package:flutter/material.dart'; | ||
| // ignore: import_of_legacy_library_into_null_safe | ||
| import 'package:get/get.dart'; | ||
| import './controller.dart'; | ||
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| /* | ||
| * GetBuilder 手动控制 | ||
| * controller -> update | ||
| */ | ||
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| // ignore: must_be_immutable | ||
| class StateGetBuilderView extends StatelessWidget { | ||
| StateGetBuilderView({Key? key}) : super(key: key); | ||
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| var controller = CountController(); | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| title: Text("GetBuilder"), | ||
| ), | ||
| body: Center( | ||
| child: Column( | ||
| children: [ | ||
| GetBuilder<CountController>( | ||
| init: controller, | ||
| initState: (_) {}, | ||
| builder: (_) { | ||
| print("GetBuilder - 1"); | ||
| return Text('value -> ${_.count}'); | ||
| }, | ||
| ), | ||
| GetBuilder<CountController>( | ||
| init: controller, | ||
| initState: (_) {}, | ||
| builder: (_) { | ||
| print("GetBuilder - 2"); | ||
| return Text('value -> ${_.count}'); | ||
| }, | ||
| ), | ||
| Divider(), | ||
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| // | ||
| GetBuilder<CountController>( | ||
| init: controller, | ||
| initState: (_) {}, | ||
| builder: (_) { | ||
| print("GetBuilder - 3"); | ||
| return Column( | ||
| children: [ | ||
| Text('value -> ${_.count}'), | ||
| ElevatedButton( | ||
| onPressed: () { | ||
| _.add(); | ||
| }, | ||
| child: Text('GetBuilder -> add'), | ||
| ) | ||
| ], | ||
| ); | ||
| }, | ||
| ), | ||
| Divider(), | ||
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| // count2 | ||
| GetBuilder<CountController>( | ||
| init: controller, | ||
| initState: (_) {}, | ||
| builder: (_) { | ||
| print("GetBuilder - 4"); | ||
| return Text('value count2 -> ${_.count2}'); | ||
| }, | ||
| ), | ||
| Divider(), | ||
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| // id2 | ||
| GetBuilder<CountController>( | ||
| id: "id2", | ||
| init: controller, | ||
| initState: (_) {}, | ||
| builder: (_) { | ||
| print("GetBuilder - 4"); | ||
| return Text('id2 -> value count2 -> ${_.count2}'); | ||
| }, | ||
| ), | ||
| Divider(), | ||
|
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| // 按钮 | ||
| ElevatedButton( | ||
| onPressed: () { | ||
| controller.add(); | ||
| }, | ||
| child: Text('add'), | ||
| ), | ||
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| ElevatedButton( | ||
| onPressed: () { | ||
| controller.add2(); | ||
| }, | ||
| child: Text('add2'), | ||
| ), | ||
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| ElevatedButton( | ||
| onPressed: () { | ||
| controller.update(); | ||
| }, | ||
| child: Text('controller.update()'), | ||
| ), | ||
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| ElevatedButton( | ||
| onPressed: () { | ||
| controller.update(["id2"]); | ||
| }, | ||
| child: Text('controller.update(id2)'), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } |
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