init the project

rest/util_network.go

@@ -0,0 +1,26 @@
+package rest
+
+import (
+	"net/http"
+	"strings"
+)
+
+//根据一个请求，获取ip.
+func GetIpAddress(r *http.Request) string {
+	var ipAddress string
+
+	ipAddress = r.RemoteAddr
+
+	if ipAddress != "" {
+		ipAddress = strings.Split(ipAddress, ":")[0]
+	}
+
+	for _, h := range []string{"X-Forwarded-For", "X-Real-Ip"} {
+		for _, ip := range strings.Split(r.Header.Get(h), ",") {
+			if ip != "" {
+				ipAddress = ip
+			}
+		}
+	}
+	return ipAddress
+}