修改项目为前后端分离方案

middleware/cors.go

@@ -0,0 +1,21 @@
+package middleware
+
+import (
+	"time"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+)
+
+// CorsMiddleware 处理跨域请求
+// 允许 Vue 等前端分离架构在开发和生产环境下访问后端 API
+func CorsMiddleware() gin.HandlerFunc {
+	return cors.New(cors.Config{
+		AllowOriginFunc:  func(origin string) bool { return true }, // 允许所有来源
+		AllowMethods:     []string{"GET", "POST", "PUT", "PATCH", "DELETE", "HEAD", "OPTIONS"},
+		AllowHeaders:     []string{"Origin", "Content-Length", "Content-Type", "Authorization", "X-CSRF-Token", "Accept"},
+		ExposeHeaders:    []string{"Content-Length"},
+		AllowCredentials: true,
+		MaxAge:           12 * time.Hour,
+	})
+}