refactor🎨: demo环境中间件

common/middleware/demo.go

@@ -0,0 +1,27 @@
+package middleware
+
+import (
+	"github.com/gin-gonic/gin"
+	"net/http"
+	"strings"
+)
+
+func DemoEvn() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		method := c.Request.Method
+		if method == "GET" ||
+			method == "OPTIONS" ||
+			strings.Contains(c.Request.RequestURI, "/login") ||
+			strings.Contains(c.Request.RequestURI, "/logout") {
+			c.Next()
+		} else {
+			c.JSON(http.StatusOK, gin.H{
+				"code": 500,
+				"msg":  "谢谢您的参与，但为了大家更好的体验，所以本次提交就算了吧！\U0001F600\U0001F600\U0001F600",
+			})
+			c.Abort()
+			return
+		}
+
+	}
+}