zhimeng/app/mw/mw_db.go

package mw

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

// DB is 中间件 用来检查master_id是否有对应的数据库engine
func DB(c *gin.Context) {
	fmt.Println(c.Request.Header)
	masterID := c.GetHeader("master_id")
	fmt.Println("master_id", masterID)
	if masterID == "" {
		fmt.Println("not found master_id found MasterId start")
		masterID = c.GetHeader("MasterId")
		fmt.Println("MasterId", masterID)
		// if masterID still emtpy

	}

	fmt.Println("master_id", masterID)
	c.Set("mid", masterID)
	c.Next()
}