SERVER.PHP
代码
<p class="sycode"> <? php // 确保在连接客户端时不会超时 set_time_limit ( 0 ); // 设置IP和端口号 $address = 服务器自己的IP; $port = 端口号; // 创建一个SOCKET if (( $sock = socket_create(AF_INET , SOCK_STREAM , SOL_TCP)) < 0 ){ echo " socket_create() 失败的原因是: " . socket_strerror( $sock ) . " <br> " ;} // 绑定到socket端口 if (( $ret = socket_bind( $sock , $address , $port )) < 0 ){ echo " socket_bind() 失败的原因是: " . socket_strerror( $ret ) . " <br> " ;} // 开始监听 if (( $ret = socket_listen( $sock , 4 )) < 0 ){ echo " socket_listen() 失败的原因是: " . socket_strerror( $ret ) . " <br> " ;} do { if (( $msgsock = socket_accept( $sock )) < 0 ) { echo " socket_accept() failed: reason: " . socket_strerror( $msgsock ) . " \n " ; break ; } // 发到客户端 $msg = " <font color=red>服务器端发送:欢迎进入服务器！</font><br> " ; socket_write( $msgsock , $msg , strlen ( $msg )); echo " 读取客户端发来的信息<br> " ; $buf = socket_read( $msgsock , 8192 ); $talkback = " 收到的信息 $buf <br> " ; echo $talkback ; if (socket_write( $msgsock , $talkback , strlen ( $talkback )) < 0 ) { echo " socket_write() failed: reason: " . socket_strerror( $msgsock ) . " \n " ; } else { echo " 发送成功 " ; } echo $buf ; socket_close( $msgsock ); } while ( true ); socket_close( $sock ); ?> </p>CLIENT.PHP
代码
<p class="sycode"> <? php error_reporting ( E_ALL ); set_time_limit ( 0 ); echo " <h2>TCP/IP Connection</h2>\n " ; $service_port = 服务器端口; $address = " 服务器IP " ; $socket = socket_create(AF_INET , SOCK_STREAM , SOL_TCP); if ( $socket < 0 ){ echo " socket_create() failed: reason: " . socket_strerror( $socket ) . " \n " ;} else { echo " OK.\n " ;} echo " 试图连接 ' $address ' 端口 ' $service_port '...<br> " ; $result = socket_connect( $socket , $address , $service_port ); if ( $result < 0 ) { echo " socket_connect() failed.\nReason: ( $result ) " . socket_strerror( $result ) . " \n " ; } else { echo " 连接OK<br> " ; } $in = " 发送到服务器的信息\r\n " ; $in .= " 也是发到服务器的\r\n " ; $out = '' ; $out1 = '' ; if ( ! socket_write( $socket , $in , strlen ( $in ))) { echo " socket_write() failed: reason: " . socket_strerror( $socket ) . " \n " ; } else { echo " 发送到服务器信息成功！<br> " ; } while ( $out = socket_read( $socket , 8192 )) { echo " 接收服务器回传信息成功！<br> " ; echo $out ; } echo " 关闭SOCKET...<br> " ; socket_close( $socket ); echo " 关闭OK<br> " ; ?> </p>
