go客户端

go_client/main.go

@@ -0,0 +1,11 @@
+package main
+
+import (
+	"go_client/tcpserver"
+	"log"
+)
+
+func main() {
+	log.SetFlags(log.LstdFlags | log.Lshortfile)
+	tcpserver.Listen(19099)
+}

go_client/tcpserver/tcpserver.go

@@ -0,0 +1,44 @@
+package tcpserver
+
+import (
+	"bufio"
+	"log"
+	"net"
+	"strconv"
+)
+
+func Listen(port int) {
+	p := strconv.Itoa(port)
+	adress := "127.0.0.1:" + p
+	ln, err := net.Listen("tcp", adress)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer ln.Close()
+	log.Println("tcp server started")
+	for {
+		conn, err := ln.Accept()
+		if err != nil {
+			log.Println(err)
+			continue
+		}
+		go handle(conn)
+	}
+}
+
+func handle(conn net.Conn) {
+	defer func() {
+		if err := recover(); err != nil {
+			log.Println("发生了未处理的异常", err)
+		}
+	}()
+	defer conn.Close()
+	scanner := bufio.NewScanner(conn)
+	for scanner.Scan() {
+		line := scanner.Bytes()
+		log.Println("收到消息：", string(line))
+	}
+	if err := scanner.Err(); err != nil {
+		log.Println("错误：", err)
+	}
+}