eta_docs/middleware/cors.go

package middleware

import (
	"github.com/gin-gonic/gin"
)

// Cors 处理跨域请求,支持options访问
//func Cors2() gin.HandlerFunc {
//	return func(c *gin.Context) {
//		method := c.Request.Method
//
//		c.Header("Access-Control-Allow-Origin", "*")
//		c.Header("Access-Control-Allow-Origin", c.Request.Referer())
//		c.Header("Access-Control-Allow-Headers", "Content-Type,AccessToken,X-CSRF-Token, Authorization, Token,X-Token,X-User-Id")
//		c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS,DELETE,PUT")
//		c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Content-Type")
//		c.Header("Access-Control-Allow-Credentials", "true")
//
//		// 放行所有OPTIONS方法
//		if method == "OPTIONS" {
//			c.AbortWithStatus(http.StatusNoContent)
//		}
//		// 处理请求
//		c.Next()
//	}
//}

func Cors() gin.HandlerFunc {
	return func(c *gin.Context) {
		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
		c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With")
		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, DELETE")
		//c.Writer.Header().Set("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Content-Type")

		if c.Request.Method == "OPTIONS" {
			c.AbortWithStatus(200)
			return
		}

		c.Next()
	}
}