package main import ( "github.com/gin-gonic/gin" ) type User struct { Id int `json:"id"` Name string `json:"name"` Age int `json:"age"` } func main() { router := gin.Default() router.GET("/users", func(c *gin.Context) { c.JSON(200, true) //true c.JSON(200, gin.H{"msg" : "hello world!"}) //{"msg":"hello world!"} c.JSON(200, &User{Id: 1, Name:"卷毛狒狒", Age:20}) //{"id":1,"name":"卷毛狒狒","age":20} }) router.Run(":8080") } //{"user":{"age":"20","name":"juanmaofeifei"}}