feat.

go.mod

@@ -0,0 +1,3 @@
+module ping_tg_proxy
+
+go 1.25.0

main.go

@@ -0,0 +1,98 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"net"
+	"net/http"
+	"strings"
+	"time"
+)
+
+const proxyListURL = "https://gh-proxy.org/https://github.com/hookzof/socks5_list/blob/master/proxy.txt"
+
+func main() {
+	// 1. 拉取代理列表
+	resp, err := http.Get(proxyListURL)
+	if err != nil {
+		panic(fmt.Errorf("获取代理列表失败: %w", err))
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		panic(fmt.Errorf("获取代理列表失败，HTTP 状态码: %d", resp.StatusCode))
+	}
+
+	scanner := bufio.NewScanner(resp.Body)
+	var proxies []string
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" || strings.HasPrefix(line, "#") {
+			continue
+		}
+		// 每一行形如 "ip:port"
+		proxies = append(proxies, line)
+	}
+	if err := scanner.Err(); err != nil {
+		panic(fmt.Errorf("读取列表内容失败: %w", err))
+	}
+
+	if len(proxies) == 0 {
+		fmt.Println("代理列表为空")
+		return
+	}
+
+	fmt.Printf("共读取到 %d 个代理，开始测试...\n", len(proxies))
+
+	// 2. 依次测试每个代理的 TCP 连接耗时
+	var (
+		bestProxy   string
+		bestLatency time.Duration
+	)
+
+	for _, addr := range proxies {
+		latency, err := testProxyTCP(addr, 3*time.Second)
+		if err != nil {
+			fmt.Printf("[失败] %s: %v\n", addr, err)
+			continue
+		}
+		fmt.Printf("[成功] %s 延迟: %v\n", addr, latency)
+
+		if bestProxy == "" || latency < bestLatency {
+			bestProxy = addr
+			bestLatency = latency
+		}
+	}
+
+	// 3. 输出结果
+	if bestProxy == "" {
+		fmt.Println("没有找到可用的代理服务器")
+		return
+	}
+
+	fmt.Println("====================================")
+	fmt.Printf("最快代理服务器: %s，延迟: %v\n", bestProxy, bestLatency)
+
+	// 4. 输出一个可在 Telegram 中自动配置的 tg 链接（基于 SOCKS5）
+	parts := strings.Split(bestProxy, ":")
+	if len(parts) == 2 {
+		server := parts[0]
+		port := parts[1]
+		tgLink := fmt.Sprintf("tg://socks?server=%s&port=%s", server, port)
+		fmt.Println("Telegram 一键配置链接:")
+		fmt.Println(tgLink)
+	} else {
+		fmt.Println("无法生成 Telegram 链接，代理地址不是 ip:port 格式:", bestProxy)
+	}
+}
+
+// testProxyTCP 尝试建立到代理服务器的 TCP 连接，并返回耗时
+func testProxyTCP(addr string, timeout time.Duration) (time.Duration, error) {
+	start := time.Now()
+	conn, err := net.DialTimeout("tcp", addr, timeout)
+	if err != nil {
+		return 0, err
+	}
+	defer conn.Close()
+	return time.Since(start), nil
+}