GO tcp服务器编程 socket编程

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//server.go package main   import (     "fmt"     "math/rand"     "net"     "strconv"   )   func main(){     listener,err := net.Listen("tcp",":8080")     if err != nil {         fmt.Println("listen error:",err)         return     }     for {         conn,err := listener.Accept()         if err != nil {             fmt.Println("accept error:",err)             continue         }         go Handle(conn)       } }   func Handle(conn net.Conn){     go Read(conn)     go Write(conn)   }   func Read(conn net.Conn){     a := make([]byte,100)     conn.Read(a)     fmt.Println("recv data:",string(a)) }   func Write(conn net.Conn){     b := []byte("i am  fly"+ strconv.Itoa(rand.Int()))     conn.Write(b)     fmt.Println("send data:",string(b)) }<br><br><br><br><br>//client.go package main   import (     "fmt"     "net"     "strconv"     "time" )   func main(){     i := 0     for {         conn,err := net.DialTimeout("tcp","127.0.0.1:8080",10*time.Second)         if err != nil {             fmt.Println("Dial error:",err)             return         }         a := make([]byte,100)         conn.Read(a)         fmt.Println("read data :",string(a))         conn.Write([]byte("i am client:"+strconv.Itoa(i)))         i++     }     } <br>