6.2 go tcp客户端简单实现

/*
tcp客户端
*/
package main

import (
	"fmt"
	"net"
)

func main(){
	//主动连接服务器
	conn,err:=net.Dial("tcp","127.0.0.1:8000")
	if err!=nil{
		fmt.Println("err=",err)
		return
	}
	defer conn.Close()
	//发送数据
	conn.Write([]byte("hello tcp!!!"))
	
}