Fix 14.5, 14.6, 15.1 (#283)

* Update 07.3.md

* Update 07.3.md

* Update 07.6.md

* fix few problems

* Update 10.6 and 10.8

* Update 11.6 and 11.7

* fix some problems before Chap13

* add a dot

* Update 13.9

* little improve

* Thoughts about time.After

* Thoughts about time.After

* Fix 14.6,15.1

eBook/examples/chapter_15/server.go

@@ -27,11 +27,11 @@ func main() {
 func doServerStuff(conn net.Conn) {
 	for {
 		buf := make([]byte, 512)
-		_, err := conn.Read(buf)
+		len, err := conn.Read(buf)
 		if err != nil {
 			fmt.Println("Error reading", err.Error())
 			return //终止程序
 		}
-		fmt.Printf("Received data: %v", string(buf))
+		fmt.Printf("Received data: %v", string(buf[:len]))
 	}
 }

eBook/examples/chapter_15/simple_tcp_server.go

@@ -4,8 +4,8 @@ package main
 import (
 	"flag"
 	"fmt"
-	"os"
 	"net"
+	"os"
 )
 
 const maxRead = 25
@@ -27,7 +27,7 @@ func main() {
 func initServer(hostAndPort string) *net.TCPListener {
 	serverAddr, err := net.ResolveTCPAddr("tcp", hostAndPort)
 	checkError(err, "Resolving address:port failed: '"+hostAndPort+"'")
-	listener, err := net.ListenTCP("tcp", serverAddr)
+	listener, err := net.Listen("tcp", serverAddr)
 	checkError(err, "ListenTCP: ")
 	println("Listening to: ", listener.Addr().String())
 	return listener

eBook/examples/chapter_15/simple_tcp_server_v1.go

@@ -26,7 +26,7 @@ func main() {
 func initServer(hostAndPort string) *net.TCPListener {
 	serverAddr, err := net.ResolveTCPAddr("tcp", hostAndPort)
 	checkError(err, "Resolving address:port failed: '"+hostAndPort+"'")
-	listener, err := net.ListenTCP("tcp", serverAddr)
+	listener, err := net.Listen("tcp", serverAddr)
 	checkError(err, "ListenTCP: ")
 	println("Listening to: ", listener.Addr().String())
 	return listener