将 zipzax 销售税 API 集成到您的 Golang 应用程序中

<code class="bash">mkdir ziptax-golang && cd ziptax-golang
go mod init ziptax-golang</code>

<code class="go">package main

import (
    "encoding/json"
    "fmt"
    "log"
    "net/http"
    "net/url"
)

// ... (response, result, addressdetail 结构体定义与原文相同) ...

func getSalesTax(address, apiKey string) (*response, error) {
    apiURL := fmt.Sprintf("https://api.zip-tax.com/request/v50?key=%s&address=%s", apiKey, url.QueryEscape(address))
    resp, err := http.Get(apiURL)
    if err != nil {
        return nil, fmt.Errorf("API 请求失败: %w", err)
    }
    defer resp.Body.Close()

    if resp.StatusCode != http.StatusOK {
        return nil, fmt.Errorf("非预期状态码: %d", resp.StatusCode)
    }

    var taxResponse response
    if err := json.NewDecoder(resp.Body).Decode(&taxResponse); err != nil {
        return nil, fmt.Errorf("响应解析失败: %w", err)
    }

    return &taxResponse, nil
}

func main() {
    apiKey := "your_api_key_here" // 请替换为您的 API 密钥
    address := "200 spectrum center dr, irvine, ca 92618"

    taxInfo, err := getSalesTax(address, apiKey)
    if err != nil {
        log.Fatalf("获取销售税信息失败: %v", err)
    }

    fmt.Printf("标准化地址: %s\n", taxInfo.addressdetail.normalizedaddress)
    fmt.Printf("经纬度: %f, %f\n", taxInfo.addressdetail.geolat, taxInfo.addressdetail.geolng)
    fmt.Printf("税率: %.2f%%\n", taxInfo.results[0].taxsales*100)
}</code>

<code class="bash">go run main.go</code>

<code>标准化地址: 200 Spectrum Center Dr, Irvine, CA 92618-5003, United States
经纬度: 33.652530, -117.747940
税率: 7.75%</code>