Flutter插件kodepos的使用_ kodepos是一个用于在印度尼西亚进行离线邮政编码搜索的插件

Flutter插件kodepos的使用_ kodepos是一个用于在印度尼西亚进行离线邮政编码搜索的插件

Kodepos 插件简介

kodepos 是一个用于在印度尼西亚进行离线邮政编码搜索的插件。

Pub.Dev

你可以通过以下链接找到 kodepos 的详细信息：

Flutter插件kodepos使用方法

要使用此插件，在你的 pubspec.yaml 文件中添加 kodepos 作为依赖项：

dependencies:
  kodepos: ^版本号

示例代码

KodeposDropdown Widget 和 KodeposMixin 示例

KodeposDropdown Widget 示例

import 'package:flutter/material.dart';
import 'package:kodepos/kodepos.dart';

class KodeposDropdownExample extends StatefulWidget {
  const KodeposDropdownExample({super.key});

  [@override](/user/override)
  State<KodeposDropdownExample> createState() => _KodeposDropdownExampleState();
}

class _KodeposDropdownExampleState extends State<KodeposDropdownExample> {
  TextEditingController resultController = TextEditingController();

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: true,
      appBar: AppBar(
        title: const Text('Kodepos Dropdown Example'),
      ),
      body: Container(
        margin: const EdgeInsets.all(16),
        child: SingleChildScrollView(
          child: Column(
            children: [
              KodeposDropdown(
                prefixDropdownLabelProvince: "省 ",
                marginBottom: 0,
                selectedBoxDecoration: const BoxDecoration(),
                selectedPrefixWidgetProvince: createPrefixWidget(isFirstItem: true),
                selectedPrefixWidgetCity: createPrefixWidget(),
                selectedPrefixWidgetDistrict: createPrefixWidget(),
                selectedPrefixWidgetSubdistrict: createPrefixWidget(isLastItem: true),
                onCompleted: (result) {
                  setState(() {
                    resultController.text =
                        "村 ${result.subdistrict.name}, 区 ${result.district.name}\n${result.city.name}, ${result.province.name}\n${result.postalCode}";
                  });
                },
                onItemReset: () {
                  setState(() {
                    resultController.text = "";
                  });
                },
              ),
              if (resultController.text.isNotEmpty)
                Container(
                  margin: const EdgeInsets.only(top: 16),
                  child: TextField(
                      controller: resultController,
                      minLines: 3,
                      maxLines: 5,
                      decoration: const InputDecoration(
                          labelText: '结果',
                          hintText: '结果',
                          border: OutlineInputBorder())),
                ),
            ],
          ),
        ),
      ),
    );
  }

  Widget _createCirclePrefix({double size = 20}) {
    return Container(
      decoration: BoxDecoration(
        shape: BoxShape.circle,
        color: Colors.grey.withOpacity(.2),
      ),
      width: size,
      height: size,
      child: Center(
        child: Container(
          width: size - 8,
          height: size - 8,
          decoration: BoxDecoration(
            shape: BoxShape.circle,
            color: Colors.grey.withOpacity(.5),
          ),
        ),
      ),
    );
  }

  Widget createPrefixWidget(
      {bool isFirstItem = false, bool isLastItem = false, double size = 20}) {
    return Container(
      width: size,
      margin: const EdgeInsets.only(right: 16),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          Flexible(
            child: Container(
              width: 1,
              color: isFirstItem
                  ? Colors.transparent
                  : Colors.grey.withOpacity(.2),
            ),
          ),
          Flexible(child: _createCirclePrefix(size: size)),
          Flexible(
            child: Container(
              width: 1,
              color:
                  isLastItem ? Colors.transparent : Colors.grey.withOpacity(.2),
            ),
          ),
        ],
      ),
    );
  }
}

KodeposMixin 示例

import 'package:flutter/material.dart';
import 'package:kodepos/kodepos.dart';

class KodeposGetDataExample extends StatefulWidget {
  const KodeposGetDataExample({super.key});

  [@override](/user/override)
  State<KodeposGetDataExample> createState() => _KodeposGetDataExampleState();
}

class _KodeposGetDataExampleState extends State<KodeposGetDataExample> with KodeposMixin {
  final TextEditingController provinceIdController = TextEditingController();
  final TextEditingController cityIdController = TextEditingController();
  final TextEditingController districtIdController = TextEditingController();
  final TextEditingController subdistrictIdController = TextEditingController();
  final TextEditingController resultController = TextEditingController();
  final TextEditingController postalCodeController = TextEditingController();

  [@override](/user/override)
  void initState() {
    super.initState();
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: false,
      appBar: AppBar(
        title: const Text("Kodepos Get Data Example"),
      ),
      body: Container(
        margin: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            ElevatedButton(
              onPressed: () async {
                String result = "";
                List<ItemAddressValue>? provinces = await getListOfProvince();
                provinces?.forEach((element) {
                  result += "${element.id} - ${element.name}\n";
                });
                resultController.text = result;
              },
              child: const Text("获取省份列表"),
            ),
            Row(
              children: [
                Expanded(
                  child: TextField(
                      controller: provinceIdController,
                      decoration: const InputDecoration(
                        hintText: "省份ID",
                        label: Text("省份ID"),
                      )),
                ),
                Expanded(
                  child: ElevatedButton(
                    onPressed: () async {
                      String result = "";
                      List<ItemAddressValue>? cities = await getListOfCity(provinceId: provinceIdController.text);
                      cities?.forEach((element) {
                        result += "${element.id} - ${element.name}\n";
                      });
                      resultController.text = result;
                    },
                    child: const Text("获取城市列表"),
                  ),
                ),
              ],
            ),
            Row(
              children: [
                Expanded(
                  child: TextField(
                      controller: cityIdController,
                      decoration: const InputDecoration(
                        hintText: "城市ID",
                        label: Text("城市ID"),
                      )),
                ),
                Expanded(
                  child: ElevatedButton(
                    onPressed: () async {
                      String result = "";
                      List<ItemAddressValue>? districts = await getListOfDistrict(cityId: cityIdController.text);
                      districts?.forEach((element) {
                        result += "${element.id} - ${element.name}\n";
                      });
                      resultController.text = result;
                    },
                    child: const Text("获取区县列表"),
                  ),
                ),
              ],
            ),
            Row(
              children: [
                Expanded(
                  child: TextField(
                      controller: districtIdController,
                      decoration: const InputDecoration(
                        hintText: "区县ID",
                        label: Text("区县ID"),
                      )),
                ),
                Expanded(
                  child: ElevatedButton(
                    onPressed: () async {
                      String result = "";
                      List<ItemAddressValue>? subdistricts = await getListOfSubDistrict(districtId: districtIdController.text);
                      subdistricts?.forEach((element) {
                        result += "${element.id} - ${element.name}\n";
                      });
                      resultController.text = result;
                    },
                    child: const Text("获取乡镇列表"),
                  ),
                ),
              ],
            ),
            Row(
              children: [
                Expanded(
                  child: TextField(
                      controller: subdistrictIdController,
                      decoration: const InputDecoration(
                        hintText: "乡镇ID",
                        label: Text("乡镇ID"),
                      )),
                ),
                Expanded(
                  child: ElevatedButton(
                    onPressed: () async {
                      String? postalCode = await getPostalCode(
                          cityId: cityIdController.text,
                          districtId: districtIdController.text,
                          subdistrictId: subdistrictIdController.text);
                      debugPrint("邮政编码: $postalCode");
                      if (context.mounted) {
                        var snackBar = SnackBar(
                          content: Text(postalCode ?? "邮政编码未找到"),
                          dismissDirection: DismissDirection.up,
                          behavior: SnackBarBehavior.floating,
                        );
                        ScaffoldMessenger.of(context).showSnackBar(snackBar);
                      }
                    },
                    child: const Text("获取邮政编码"),
                  ),
                ),
              ],
            ),
            TextField(
              minLines: 10,
              maxLines: 10,
              controller: resultController,
              decoration: const InputDecoration(
                hintText: "结果",
              ),
            ),
          ],
        ),
      ),
    );
  }
}

示例代码

import 'package:example/kodepos_dropdown_example.dart';
import 'package:example/kodepos_get_data_example.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  [@override](/user/override)
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ElevatedButton(
                onPressed: () {
                  Navigator.push(
                      context,
                      MaterialPageRoute(
                          builder: (context) => const KodeposDropdownExample()));
                },
                child: const Text("Kodepos Dropdown Widget 示例")),
            ElevatedButton(
                onPressed: () {
                  Navigator.push(
                      context,
                      MaterialPageRoute(
                          builder: (context) => const KodeposGetDataExample()));
                },
                child: const Text("Kodepos Get Data 示例"))
          ],
        ),
      ),
    );
  }
}

更多关于Flutter插件kodepos的使用_ kodepos是一个用于在印度尼西亚进行离线邮政编码搜索的插件的实战教程也可以访问 https://www.itying.com/category-92-b0.html

1 回复

更多关于Flutter插件kodepos的使用_ kodepos是一个用于在印度尼西亚进行离线邮政编码搜索的插件的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html


当然，关于Flutter中未知功能插件kodepos的使用，由于具体功能未定义，我们无法提供确切的功能实现代码。不过，我可以展示如何在Flutter项目中集成并使用一个假设的插件，并给出一些基本的框架代码，这样你可以根据插件的实际文档进行调整。

假设kodepos插件已经发布在pub.dev上（实际中你需要确认这一点），以下是如何在Flutter项目中集成并使用该插件的一个基本框架：

  1. 在pubspec.yaml文件中添加依赖：
dependencies:
  flutter:
    sdk: flutter
  kodepos: ^最新版本号  # 替换为实际的最新版本号

然后运行flutter pub get来安装依赖。

  1. 导入插件并在你的Dart代码中使用它：

由于我们不知道kodepos插件的具体API，以下是一个假设性的使用示例，展示如何导入插件并调用一个假设的方法。

import 'package:flutter/material.dart';
import 'package:kodepos/kodepos.dart';  // 假设这是插件的导入路径

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  String result = "";

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Kodepos Plugin Demo'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'Result: $result',
              style: TextStyle(fontSize: 20),
            ),
            SizedBox(height: 20),
            ElevatedButton(
              onPressed: () async {
                // 假设 kodepos 插件有一个名为 performUnknownFunction 的方法
                try {
                  var response = await Kodepos.performUnknownFunction();
                  setState(() {
                    result = response.toString();
                  });
                } catch (e) {
                  setState(() {
                    result = "Error: ${e.message}";
                  });
                }
              },
              child: Text('Perform Unknown Function'),
            ),
          ],
        ),
      ),
    );
  }
}

注意：

  • Kodepos.performUnknownFunction() 是一个假设的方法名。你需要根据插件的实际文档替换为正确的方法名。
  • 错误处理部分是为了确保在调用插件方法时能够捕获并显示任何潜在的错误。

  1. 查看插件文档： 由于我们不知道kodepos插件的具体功能，强烈建议你查看插件的官方文档或README文件，以了解如何正确使用它。通常，这些文档会提供详细的使用指南和示例代码。

  2. 调试和运行： 在你的开发环境中运行Flutter应用，并根据需要进行调试。如果插件有特定的初始化步骤或配置要求，请确保按照文档进行。

希望这个框架能够帮助你开始使用kodepos插件。如果你有更具体的信息或遇到任何问题，请随时更新帖子或寻求进一步的帮助。

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