77 lines
1.6 KiB
Go
77 lines
1.6 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net"
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"net/http"
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"os"
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"time"
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)
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type IPInfo struct {
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Msg string `json:"msg"`
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Data struct {
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Continent string `json:"continent"`
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Country string `json:"country"`
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} `json:"data"`
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}
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func isValidIP(ip string) bool {
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return net.ParseIP(ip) != nil
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}
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func main() {
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if len(os.Args) < 2 {
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log.Fatalf("用法: %s <IP>", os.Args[0])
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}
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ip := os.Args[1]
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if !isValidIP(ip) {
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log.Fatalf("无效的 IP 地址: %s", ip)
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}
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// 目标 URL
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url := "https://qifu.baidu.com/ip/geo/v1/district?ip=" + ip
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// 创建 HTTP 请求
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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log.Fatalf("创建请求时出错: %v", err)
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}
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// 设置 User-Agent 为 Google Chrome
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req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36")
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// 创建 HTTP 客户端并设置超时时间
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client := &http.Client{Timeout: 10 * time.Second}
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// 发送请求
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resp, err := client.Do(req)
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if err != nil {
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log.Fatalf("发送请求时出错: %v", err)
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}
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defer resp.Body.Close()
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// 检查 HTTP 响应状态码
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if resp.StatusCode != http.StatusOK {
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log.Fatalf("HTTP 请求失败，状态码: %d", resp.StatusCode)
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}
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// 读取响应体
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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log.Fatalf("读取响应体时出错: %v", err)
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}
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// 解析 JSON 数据
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var ipInfo IPInfo
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if err := json.Unmarshal(body, &ipInfo); err != nil {
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log.Fatalf("解析 JSON 时出错: %v", err)
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}
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fmt.Printf("%s%s\n", ipInfo.Data.Continent, ipInfo.Data.Country)
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}
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