Flutter信用卡处理插件tnet_credit_card的使用

Flutter信用卡处理插件tnet_credit_card的使用

本包包含一个可编辑属性的信用卡小部件。

功能

此插件仅用于测试目的。 信用卡小部件。

开始使用

在 pubspec.yaml 文件中添加依赖项：

dependencies:
  tnet_credit_card: ^0.1.1

导入包：

import 'package:tnet_credit_card/tnet_credit_card.dart';

使用示例

以下是一些使用 TNETCreditCard 小部件的示例：

TNETCreditCard(
  uniqueColor: Colors.blueAccent,
),

TNETCreditCard(
  shadowGradient: Colors.white,
  firstGradientColor: Colors.blue,
  secondGradientColor: Colors.blueAccent,
  cardName: "Marco",
),

TNETCreditCard(
  shadowGradient: Colors.white,
  firstGradientColor: Colors.orange,
  secondGradientColor: Colors.orangeAccent,
  cardExpirationText: "05/28",
),

TNETCreditCard(
  shadowGradient: Colors.white,
  firstGradientColor: Colors.red,
  secondGradientColor: Colors.redAccent,
  cardNumber: "5634 3454 2432 2342",
),

TNETCreditCard(
  shadowGradient: Colors.white,
  firstGradientColor: Colors.black,
  secondGradientColor: Colors.black54,
  textExpirationColor: Colors.white,
  textInputsColor: Colors.amber,
),

完整示例

以下是一个完整的示例代码，展示了如何在 Flutter 应用程序中使用 TNETCreditCard 小部件：

/// #region Imports

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

/// #endregion

/// #region Main

void main() => runApp(const TNETCreditCardApp());

/// #endregion

/// #region Class [TNETCreditCardApp] extends [StatelessWidget]

class TNETCreditCardApp extends StatelessWidget {
  /// Constructor
  const TNETCreditCardApp({Key? key}) : super(key: key);

  /// This widget is the root of your application.
  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      /// Application title
      title: 'TNET Credit Card',

      /// Changing theme data properties
      theme: ThemeData(
        /// Primary swatch color
        primarySwatch: Colors.blue,
      ),

      /// Page route
      home: const TNETCreditCardDemo(title: 'TNET Credit Card Demo'),
    );
  }
}

/// #endregion

/// #region Class [TNETCreditCardDemo] extends [StatefulWidget]

class TNETCreditCardDemo extends StatefulWidget {
  /// Construtor
  const TNETCreditCardDemo({Key? key, required this.title}) : super(key: key);

  /// Variable [title] type [String] used to set a title to the page
  final String title;

  [@override](/user/override)
  State<TNETCreditCardDemo> createState() => _TNETCreditCardDemoState();
}

class _TNETCreditCardDemoState extends State<TNETCreditCardDemo> {
  /// Declaration of first image asset
  final Image firstLogo = Image.asset(
    "../assets/images/bpi_logo.png",
    width: 150,
  );

  /// Declaration of second image asset
  final Image secondLogo = Image.asset(
    "../assets/images/visa_logo.png",
    color: Colors.white,
    width: 60,
  );

  /// Widget building
  [@override](/user/override)
  Widget build(BuildContext context) {
    /// Returns a Scaffold to build the page
    return Scaffold(
      appBar: AppBar(
        /// App bar with setted title above
        title: Text(widget.title),
      ),

      /// Creates a widget that centers its child
      body: Center(
        /// Creates a vertical array of children
        child: SingleChildScrollView(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              TNETCreditCard(
                firstLogo: firstLogo,
                secondLogo: secondLogo,
                uniqueColor: Colors.blueAccent,
              ),
              TNETCreditCard(
                firstLogo: firstLogo,
                secondLogo: secondLogo,
                shadowGradient: Colors.white,
                firstGradientColor: Colors.blue,
                secondGradientColor: Colors.blueAccent,
                cardName: "Marco",
              ),
              TNETCreditCard(
                firstLogo: firstLogo,
                secondLogo: secondLogo,
                shadowGradient: Colors.white,
                firstGradientColor: Colors.orange,
                secondGradientColor: Colors.orangeAccent,
                cardExpirationText: "05/28",
              ),
              TNETCreditCard(
                firstLogo: firstLogo,
                secondLogo: secondLogo,
                shadowGradient: Colors.white,
                firstGradientColor: Colors.red,
                secondGradientColor: Colors.redAccent,
                cardNumber: "5634 3454 2432 2342",
              ),
              TNETCreditCard(
                firstLogo: firstLogo,
                secondLogo: secondLogo,
                shadowGradient: Colors.white,
                firstGradientColor: Colors.black,
                secondGradientColor: Colors.black54,
                textExpirationColor: Colors.white,
                textInputsColor: Colors.amber,
              ),
              TNETCreditCard(
                firstLogo: firstLogo,
                secondLogo: secondLogo,
              ),
            ],
          ),
        ),
      ),
    );
  }
}

/// #endregion

更多关于Flutter信用卡处理插件tnet_credit_card的使用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信用卡处理插件tnet_credit_card的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html


tnet_credit_card 是一个用于处理信用卡信息的 Flutter 插件。它可以帮助开发者在应用程序中轻松地收集、验证和处理信用卡信息。以下是如何使用 tnet_credit_card 插件的详细步骤：

1. 添加依赖项

首先，你需要在 pubspec.yaml 文件中添加 tnet_credit_card 插件的依赖项：

dependencies:
  flutter:
    sdk: flutter
  tnet_credit_card: ^1.0.0  # 请使用最新版本

然后运行 flutter pub get 来安装依赖项。

2. 导入插件

在你的 Dart 文件中导入 tnet_credit_card 插件：

import 'package:tnet_credit_card/tnet_credit_card.dart';

3. 使用信用卡输入表单

tnet_credit_card 提供了一个现成的信用卡输入表单组件，你可以直接在应用中使用它：

class CreditCardPage extends StatefulWidget {
  [@override](/user/override)
  _CreditCardPageState createState() => _CreditCardPageState();
}

class _CreditCardPageState extends State<CreditCardPage> {
  final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
  CreditCardModel _creditCard = CreditCardModel();

  void _onCreditCardModelChange(CreditCardModel creditCardModel) {
    setState(() {
      _creditCard = creditCardModel;
    });
  }

  void _onValidate() {
    if (_formKey.currentState.validate()) {
      // 表单验证通过，处理信用卡信息
      print('Card Number: ${_creditCard.cardNumber}');
      print('Expiry Date: ${_creditCard.expiryDate}');
      print('CVV: ${_creditCard.cvv}');
      print('Card Holder Name: ${_creditCard.cardHolderName}');
    } else {
      // 表单验证失败
      print('Invalid form');
    }
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Credit Card Input'),
      ),
      body: SingleChildScrollView(
        child: Padding(
          padding: const EdgeInsets.all(16.0),
          child: Form(
            key: _formKey,
            child: Column(
              children: <Widget>[
                CreditCardForm(
                  onCreditCardModelChange: _onCreditCardModelChange,
                  themeColor: Colors.blue,
                ),
                SizedBox(height: 20),
                ElevatedButton(
                  onPressed: _onValidate,
                  child: Text('Validate'),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}

4. 处理信用卡信息

在上面的代码中，CreditCardForm 组件会自动收集和验证信用卡信息。你可以通过 onCreditCardModelChange 回调函数获取用户输入的信用卡信息，并在 _onValidate 方法中处理这些信息。

5. 自定义样式

你可以通过 CreditCardForm 的 themeColor 参数来自定义表单的主题颜色：

CreditCardForm(
  onCreditCardModelChange: _onCreditCardModelChange,
  themeColor: Colors.red,
),

6. 验证信用卡信息

CreditCardForm 会自动验证信用卡号、有效期和 CVV 码。如果用户输入的信息无效，表单会显示相应的错误信息。

7. 处理支付

一旦你收集到有效的信用卡信息，你可以将其发送到你的支付网关进行处理。具体的支付处理逻辑取决于你使用的支付服务提供商（如 Stripe、PayPal 等）。

8. 注意事项

  • 安全性：确保不要在客户端存储或处理敏感的信用卡信息。通常，信用卡信息应该直接发送到安全的支付网关进行处理。
  • 合规性：确保你的应用符合 PCI DSS（支付卡行业数据安全标准）的要求。

9. 完整示例

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

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

class MyApp extends StatelessWidget {
  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Credit Card Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: CreditCardPage(),
    );
  }
}

class CreditCardPage extends StatefulWidget {
  [@override](/user/override)
  _CreditCardPageState createState() => _CreditCardPageState();
}

class _CreditCardPageState extends State<CreditCardPage> {
  final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
  CreditCardModel _creditCard = CreditCardModel();

  void _onCreditCardModelChange(CreditCardModel creditCardModel) {
    setState(() {
      _creditCard = creditCardModel;
    });
  }

  void _onValidate() {
    if (_formKey.currentState.validate()) {
      // 表单验证通过，处理信用卡信息
      print('Card Number: ${_creditCard.cardNumber}');
      print('Expiry Date: ${_creditCard.expiryDate}');
      print('CVV: ${_creditCard.cvv}');
      print('Card Holder Name: ${_creditCard.cardHolderName}');
    } else {
      // 表单验证失败
      print('Invalid form');
    }
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Credit Card Input'),
      ),
      body: SingleChildScrollView(
        child: Padding(
          padding: const EdgeInsets.all(16.0),
          child: Form(
            key: _formKey,
            child: Column(
              children: <Widget>[
                CreditCardForm(
                  onCreditCardModelChange: _onCreditCardModelChange,
                  themeColor: Colors.blue,
                ),
                SizedBox(height: 20),
                ElevatedButton(
                  onPressed: _onValidate,
                  child: Text('Validate'),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}
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