Go Web教程20：引入Gin框架，进行Web Api开发

这篇文章，讲怎样引入Web框架Gin, 进行Web Api开发

1. 在main.go中引入包

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

控制台运行

go mod tidy

输出

go: finding github.com/gin-contrib/sse latest
go: finding github.com/ugorji/go/codec latest
go: finding github.com/golang/protobuf/proto latest
go: finding github.com/stretchr/testify/assert latest
go: finding github.com/modern-go/concurrent latest

表示引用成功

2. 开发

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

3. 运行

选择菜单：Run -> Debug ‘go build main.go’

输出结果

[GIN-debug] GET /ping --> main.main.func1 (3 handlers)
[GIN-debug] Environment variable PORT is undefined. Using port :8080 by default
[GIN-debug] Listening and serving HTTP on :8080

4. 测试

访问

{
 "message": "pong"
}
访问成功