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@pddo/exchange-rate-sdk

TypeScript SDK for Exchange Rate API - 汇率API的TypeScript SDK

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@pddo/exchange-rate-sdk

npm version TypeScript License: MIT

汇率API的TypeScript SDK,提供简洁易用的接口来访问实时汇率数据和货币转换功能。

✨ 特性

  • 🚀 TypeScript支持: 完整的类型定义,提供优秀的开发体验
  • 🌐 现代化API: 基于Promise的异步API,支持async/await
  • 🛡️ 错误处理: 完善的错误处理机制和自定义错误类型
  • 高性能: 内置请求超时和批量操作支持
  • 🔧 可配置: 灵活的配置选项,支持自定义域名和请求头
  • 📦 轻量级: 零依赖,体积小巧
  • 🌍 多环境: 支持Node.js和浏览器环境

📦 安装

# 使用 npm
npm install @pddo/exchange-rate-sdk

# 使用 yarn
yarn add @pddo/exchange-rate-sdk

# 使用 pnpm
pnpm add @pddo/exchange-rate-sdk

# 使用 bun
bun add @pddo/exchange-rate-sdk

🚀 快速开始

基础用法

import { ExchangeRateSDK } from '@pddo/exchange-rate-sdk';

// 创建SDK实例
const sdk = new ExchangeRateSDK();

// 获取汇率
const rate = await sdk.getExchangeRate('USD', 'EUR');
console.log(`1 USD = ${rate.data} EUR`);

// 货币转换
const result = await sdk.convertCurrency('USD', 'CNY', 100);
console.log(`100 USD = ${result.data} CNY`);

使用便捷函数

import { createExchangeRateSDK } from '@pddo/exchange-rate-sdk';

const sdk = createExchangeRateSDK({
  baseURL: 'https://your-api.com',
  timeout: 5000,
  debug: true
});

自定义配置

import { ExchangeRateSDK } from '@pddo/exchange-rate-sdk';

const sdk = new ExchangeRateSDK({
  baseURL: 'https://exchange-api.pd.do',
  timeout: 10000,
  headers: {
    'X-Custom-Header': 'value'
  },
  debug: false
});

📖 API 文档

ExchangeRateSDK

构造函数

new ExchangeRateSDK(options?: ExchangeRateSDKOptions)

配置选项

interface ExchangeRateSDKOptions {
  baseURL?: string;        // API基础URL,默认: 'https://exchange-api.pd.do'
  timeout?: number;        // 请求超时时间(毫秒),默认: 10000
  headers?: Record<string, string>; // 自定义请求头
  debug?: boolean;         // 是否启用调试模式,默认: false
}

主要方法

1. 获取特定基准货币的所有汇率

async getCurrencyRates(currency: string): Promise<CurrencyRatesResponse>

示例:

const rates = await sdk.getCurrencyRates('USD');
console.log(rates.data.EUR); // 美元对欧元的汇率
console.log(rates.data.CNY); // 美元对人民币的汇率

2. 获取两种货币之间的汇率

async getExchangeRate(baseCurrency: string, targetCurrency: string): Promise<RateResponse>

示例:

const rate = await sdk.getExchangeRate('EUR', 'USD');
console.log(`1 EUR = ${rate.data} USD`);

3. 进行货币转换

async convertCurrency(baseCurrency: string, targetCurrency: string, amount: number): Promise<ConversionResponse>

示例:

const result = await sdk.convertCurrency('GBP', 'JPY', 50);
console.log(`50 GBP = ${result.data} JPY`);
console.log(`汇率: ${result.rate}`);

4. 批量获取汇率

async getBatchRates(pairs: Array<[string, string]>): Promise<Array<RateResponse>>

示例:

const rates = await sdk.getBatchRates([
  ['USD', 'EUR'],
  ['USD', 'CNY'],
  ['EUR', 'JPY']
]);

rates.forEach(rate => {
  console.log(`${rate.base_code} -> ${rate.target_code}: ${rate.data}`);
});

5. 批量货币转换

async batchConvert(conversions: Array<{from: string, to: string, amount: number}>): Promise<Array<ConversionResponse>>

示例:

const results = await sdk.batchConvert([
  { from: 'USD', to: 'EUR', amount: 100 },
  { from: 'EUR', to: 'CNY', amount: 50 },
  { from: 'GBP', to: 'JPY', amount: 25 }
]);

results.forEach(result => {
  console.log(`${result.base_code} -> ${result.target_code}: ${result.data}`);
});

6. 手动更新汇率(需要密码)

async updateRates(password: string): Promise<UpdateResponse>

示例:

try {
  const result = await sdk.updateRates('your-password');
  console.log('汇率更新成功:', result.message);
} catch (error) {
  console.error('更新失败:', error.message);
}

工具方法

获取常用货币列表

const currencies = sdk.getCommonCurrencies();
console.log(currencies); // ['USD', 'EUR', 'CNY', 'JPY', ...]

验证货币代码格式

console.log(sdk.isValidCurrencyFormat('USD')); // true
console.log(sdk.isValidCurrencyFormat('us'));  // false

格式化货币代码

console.log(sdk.formatCurrency('usd')); // 'USD'
console.log(sdk.formatCurrency(' eur ')); // 'EUR'

🔧 高级用法

错误处理

import { ExchangeRateAPIError } from '@pddo/exchange-rate-sdk';

try {
  const rate = await sdk.getExchangeRate('INVALID', 'USD');
} catch (error) {
  if (error instanceof ExchangeRateAPIError) {
    console.error('API错误:', error.message);
    console.error('状态码:', error.status);
    console.error('错误代码:', error.code);
  } else {
    console.error('未知错误:', error);
  }
}

动态配置更新

// 更新配置
sdk.updateConfig({
  baseURL: 'https://new-api.com',
  debug: true,
  headers: {
    'Authorization': 'Bearer token'
  }
});

自定义HTTP客户端

import { HttpClient } from '@pddo/exchange-rate-sdk';

const client = new HttpClient({
  baseURL: 'https://api.example.com',
  timeout: 5000,
  debug: true
});

// 直接使用HTTP客户端
const response = await client.get('/custom-endpoint');

📝 响应类型

CurrencyRatesResponse

interface CurrencyRatesResponse {
  message: string;
  data: Record<string, number>; // 货币代码 -> 汇率
}

RateResponse

interface RateResponse {
  message: string;
  data: number;           // 汇率
  base_code: string;      // 基准货币
  target_code: string;    // 目标货币
}

ConversionResponse

interface ConversionResponse {
  message: string;
  data: number;           // 转换后的金额
  rate: number;           // 使用的汇率
  base_code: string;      // 基准货币
  target_code: string;    // 目标货币
}

🌍 支持的货币

SDK支持所有ISO 4217标准的货币代码,常用货币包括:

  • 主要货币: USD, EUR, CNY, JPY, GBP, AUD, CAD, CHF
  • 亚洲货币: HKD, SGD, KRW, INR, THB, IDR, MYR, PHP
  • 欧洲货币: SEK, NOK, DKK, PLN, HUF, CZK, RON
  • 其他货币: MXN, BRL, ZAR, TRY, RUB, AED, SAR

🛠 开发

# 克隆仓库
git clone https://github.com/catpddo/exchange-rate.git
cd exchange-rate/sdk

# 安装依赖
bun install

# 开发模式
bun run dev

# 构建
bun run build

# 类型检查
bun run type-check

📄 许可证

MIT License - 详见 LICENSE 文件

🤝 贡献

欢迎提交 Issue 和 Pull Request!

🔗 相关链接

📞 支持

如有问题或建议,请:

Keywords

exchange-rate

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Package last updated on 28 May 2025

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