go开发桌面应用源码_go Socket_golang Socket_golang开发桌面应用源码_go客户端服务端

客户端代码：

注：go get github.com/lxn/walk

package main

import (

"github.com/lxn/walk"

. "github.com/lxn/walk/declarative"

"net"

)

const (

IP = "127.0.0.1:8888"

)

func main() {

var mw *walk.MainWindow

var uname, pwd *walk.LineEdit

(MainWindow{

AssignTo: &mw,

Title: "织梦多站点管理系统",

MinSize: Size{218, 170},

Size: Size{218, 170},

MaxSize: Size{218, 170},

Layout: VBox{},

Children: []Widget{

Label{

Text: "织梦多站点管理系统",

Font: Font{

PointSize: 10,

Family: "微软雅黑",

},

},

LineEdit{

AssignTo: &uname,

MinSize: Size{0, 25},

CueBanner: "用户名",

Font: Font{

PointSize: 10,

Family: "微软雅黑",

},

},

LineEdit{

AssignTo: &pwd,

MinSize: Size{0, 25},

PasswordMode: true,

CueBanner: "密码",

Font: Font{

PointSize: 10,

Family: "微软雅黑",

},

},

HSplitter{

Children: []Widget{

CheckBox{

Text: "记住密码",

},

CheckBox{

Text: "自动登陆",

},

},

},

HSplitter{

Children: []Widget{

PushButton{

Text: "登陆",

MinSize: Size{0, 30},

OnClicked: func() {

if uname.Text() == "" {

walk.MsgBox(mw, "错误", "请输入您的用户名！", walk.MsgBoxIconInformation)

return

} else if pwd.Text() == "" {

walk.MsgBox(mw, "错误", "请输入您的密码！", walk.MsgBoxIconInformation)

return

}

//链接socket发送数据

connectServer(mw, uname.Text(), pwd.Text())

},

},

PushButton{

Text: "取消",

MinSize: Size{0, 30},

OnClicked: func() { mw.Close() },

},

},

},

},

}).Run()

}

//链接socket发送数据

func connectServer(mw *walk.MainWindow, uname, pwd string) {

buf := make([]byte, 1024)

connect, err := net.Dial("tcp", IP)

if err != nil {

walk.MsgBox(mw, "错误", "服务器连接错误！", walk.MsgBoxIconInformation)

return

}

connect.Write([]byte(uname + "," + pwd))

c, err := connect.Read(buf)

walk.MsgBox(mw, "错误", string(buf[0:c]), walk.MsgBoxIconInformation)

defer connect.Close()

}

服务端代码:

package main

import (

"fmt"

"net"

)

const (

ADDR = "127.0.0.1"

PORT = 8888

)

var exit chan bool

func main() {

exit = make(chan bool)

ip := net.ParseIP(ADDR)

adr := net.TCPAddr{ip, PORT, ""}

go func() {

listener, err := net.ListenTCP("tcp", &adr)

if err != nil {

fmt.Println("服务器启动失败！")

exit <- true

return

}

for {

cdata := make([]byte, 1024)

client, err := listener.AcceptTCP()

if err != nil {

fmt.Println(err.Error())

continue

}

fmt.Println(client.RemoteAddr().String())

c, err := client.Read(cdata)

if err != nil {

fmt.Println(err.Error())

}

fmt.Println(string(cdata[0:c]))

client.Write([]byte("你好客户端！" + string(cdata[0:c])))

client.Close()

}

}()

<-exit

}