init

middlewares/cors.go

@@ -0,0 +1,29 @@
+package middlewares
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+// CORS 跨域中间件
+func CORS() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		origin := c.Request.Header.Get("Origin")
+
+		// 设置CORS头部
+		c.Header("Access-Control-Allow-Origin", origin)
+		c.Header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, PATCH, OPTIONS")
+		c.Header("Access-Control-Allow-Headers", "Origin, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With")
+		c.Header("Access-Control-Allow-Credentials", "true")
+		c.Header("Access-Control-Max-Age", "86400")
+
+		// 处理预检请求
+		if c.Request.Method == "OPTIONS" {
+			c.AbortWithStatus(http.StatusNoContent)
+			return
+		}
+
+		c.Next()
+	}
+}