GIN的路由以及传参问题_Golang

func main() {
    r := gin.Default()
    r.GET("/ping/:name", func(c *gin.Context) {
        c.JSON(200, gin.H{
            "message": c.Param("name"),
        })
        fmt.Println(c.Param("name"))
    })
    r.Run() // listen and serve on 0.0.0.0:8080
 
}

func main() {
    r := gin.Default()
    r.GET("/ping/*name", func(c *gin.Context) {
        c.JSON(200, gin.H{
            "message": c.Param("name"),
        })
        fmt.Println(c.Param("name"))
    })
    r.Run() // listen and serve on 0.0.0.0:8080
 
}

func main() {
    r := gin.Default()
 
    r.GET("/ping", func(c *gin.Context) {
        c.JSON(200, gin.H{
            ":message": c.Query("name"),
        })
 
    })
 
    r.Run() // listen and serve on 0.0.0.0:8080
 
}

var user map[string]interface{}
body, _ := ioutil.ReadAll(req.Body)
json.Unmarshal(body, &user)
fmt.Println("获取json中的username:", user["username"])
fmt.Println("获取json中的password:", user["password"].(string)) //转字符串通过len(password)!=0判断长度