安装gin ~~~ go get -u -v github.com/gin-gonic/gin ~~~ 在目录src下创建main.go ~~~ package main import "github.com/gin-gonic/gin" func main() { r := gin.Default() r.GET("/", func(c *gin.Context) { c.String(200, "Hello, 你好吗") }) r.Run(":8888") } ~~~