


goland官方下载地址:https://www.jetbrains.com/zh-cn/go/download/
选择试用三十天(需要注册账户)
file->settings 分别配置gopath和goroot




创建main文件

代码
package main
import (
"fmt"
"net/http"
)
func helloWorld(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "hello world")
}
func main() {
http.HandleFunc("/", helloWorld)
http.ListenAndServe(":8080", nil)
}
启动:
go run main.go
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