1/trading-go/controller/middleware.go

package controller

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"net/http"
)

func Cors(c *gin.Context) {
	method := c.Request.Method
	c.Header("Access-Control-Allow-Origin", c.GetHeader("Origin"))
	fmt.Println(c.GetHeader("Origin"))
	c.Header("Access-Control-Allow-Methods", "POST, GET, PUT, DELETE, OPTIONS")
	c.Header("Access-Control-Allow-Headers", "Content-Type, Content-Length, Token")
	c.Header("Access-Control-Expose-Headers", "Access-Control-Allow-Headers, Token")
	c.Header("Access-Control-Allow-Credentials", "true")
	if method == "OPTIONS" {
		c.AbortWithStatus(http.StatusNoContent)
		return
	}
	c.Next()
}