What does gin mean?

Gin is a web framework written in Go and has the advantage of high performance.

1. Installation

Use go to download the gin library, command line input: go get github.com/gin-gonic/gin, generally use the required dependencies:

import "github.com/gin-gonic/gin" import "net/http"

Two: Basic application

1.Query method in gin.Context: get URL parameter

package main import ( "github.com/gin-gonic/gin" "net/http" ) func getQuery(context *gin.Context){ userid := context.Query("userid") username := context.Query("username") context.String(http.StatusOK,userid+" "+username) } func main(){ // 注册一个默认路由器 router := gin.Default() //注册GET处理 router.GET("/user", getQuery) //默认8080端口 router.Run(":8088") }

Browser output:

5 xiaoming

2.gin. Param method in Context: RESRful style URL parameter passing

package main import ( "github.com/gin-gonic/gin" "net/http" ) func getParam(context *gin.Context){ userid := context.Param("userid") username := context.Param("username") context.String(http.StatusOK,userid+" "+username) } func main(){ // 注册一个默认路由器 router := gin.Default() //注册GET处理 //router.GET("/user", getQuery) router.GET("/user/:userid/:username",getParam) //默认8080端口 router.Run(":8088") }

Supplement: /:varname must match the corresponding one, /*varname must match all the following ones, and you cannot use more than one at the same time, otherwise a compilation error will be reported

Page output:

5 xiaoming

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