Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

app/middleware/ip/ip.go

@@ -0,0 +1,13 @@
+package ip
+
+import (
+	"91porn-server/common/constant"
+
+	"github.com/gin-gonic/gin"
+)
+
+// RealIP 获取真实IP
+func RealIP(c *gin.Context) {
+	ip := c.ClientIP()
+	c.Set(constant.CtxIP, ip)
+}