go gin框架：QueryMap接收map类型请求参数

package main

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

func main() {
	r := gin.Default()
	r.GET("queryMap", queryMap)
	r.Run()
}

func queryMap(c *gin.Context) {
	usermap := c.QueryMap("user")
	c.JSON(http.StatusOK, gin.H{
		"user_": usermap,
	})
}

http://localhost:8080/queryMap?user[id]=1&user[name]=张三

可参考链接：
https://zhuanlan.zhihu.com/p/100315429