Initial commit

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

pub/common/netutil/netutil.go

@@ -0,0 +1,55 @@
+package netutil
+
+import (
+	"net"
+	"net/url"
+	"path"
+	"strings"
+)
+
+func GetLocalIP() string {
+	addrs, err := net.InterfaceAddrs()
+	if err != nil {
+		return ""
+	}
+	for _, address := range addrs {
+		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+			if ipnet.IP.To4() != nil {
+				return ipnet.IP.String()
+			}
+		}
+	}
+	return ""
+}
+
+func MergeURL(baseURL, relativePath string) string {
+	if len(relativePath) == 0 {
+		return ""
+	}
+	// 解析基础URL
+	base, err := url.Parse(baseURL)
+	if err != nil {
+		return ""
+	}
+
+	// 如果相对路径是绝对URL，直接返回
+	if strings.HasPrefix(relativePath, "http://") || strings.HasPrefix(relativePath, "https://") {
+		return relativePath
+	}
+
+	// 合并路径
+	mergedPath := path.Join(base.Path, relativePath)
+
+	// 处理路径中的 ./ 和 ../
+	mergedPath = path.Clean(mergedPath)
+
+	// 确保路径以/开头（如果原始base.Path以/结尾）
+	if strings.HasSuffix(base.Path, "/") && !strings.HasPrefix(mergedPath, "/") {
+		mergedPath = "/" + mergedPath
+	}
+
+	// 更新URL的Path部分
+	base.Path = mergedPath
+
+	return base.String()
+}