Socket连接技术-C-编程技术-六狼论坛-IT论坛-计算机论坛

rayloo 发表于 2013-1-26 14:40:45

Socket连接技术

使用Socket 是连接两台计算机最简单的方法，另外由于Socket 使用的是TCP 协议，所以
也就保证了传输的质量。但在这里要注意的是，并不是所有的MIDP 设备都支持Socket 网络。
在这部分中我们主要涉及到的两个接口是SocketConnection 和ServerSocketConnection。这
个两个接口的使用方法其实和J2SE 中的Socket 和ServerSocket 类的使用方法很相似。不同的是
ServerSocketConnection 中打开一个SocketConnection 作为监听者的方法是acceptAndOpen()。同
时你可以用getLocalAddress()和getLocalPort()两个方法获得本地的绑定IP 地址和所打开的端口
号，这样你就可以告诉另外一台MIDP 设备你所使用的IP 和端口，使得另一台MIDP 设备可以
连接到你的设备上。
在这里我们除了强调使用acceptAndOpen()从一个ServerSocketConnection 对象中打开一个
SocketConnection 作为监听者外，还要说明的是作为套接字我们是可以设置一些属性的，这些属
性的设置是通过SocketConnection.setSocketOption()方法来设置
<div style="padding-right: 5.4pt; padding-left: 5.4pt; background: #e6e6e6; padding-bottom: 4px; width: 95%; padding-top: 4px;">http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifpackagesocketText;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjava.io.IOException;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjava.io.InputStream;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjava.io.OutputStream;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.io.Connector;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.io.ServerSocketConnection;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.io.SocketConnection;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.lcdui.Alert;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.lcdui.AlertType;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.lcdui.Command;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.lcdui.CommandListener;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.lcdui.Display;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.lcdui.Displayable;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.lcdui.Form;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.lcdui.StringItem;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.lcdui.TextField;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.midlet.MIDlet;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifimportjavax.microedition.midlet.MIDletStateChangeException;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedBlock.gif/***//**
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif*
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif*@authorleilu服务器端代码
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedBlockEnd.gif*/
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifpublicclassSocketServerextendsMIDletimplementsCommandListener,Runnable
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprivateDisplaydisplay;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprivateFormf;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprivateStringItemsi;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprivateTextFieldtf;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprivatebooleanstop;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//创建Command对象
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprivateCommandsendCommand=newCommand("send",Command.ITEM,1);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprivateCommandexitCommand=newCommand("Exit",Command.EXIT,1);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//输入流
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifInputStreamis;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//输出流
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifOutputStreamos;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//Socket连接
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifSocketConnectionsc;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//Socket服务器连接
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifServerSocketConnectionscn;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifpublicSocketServer()
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifdisplay=Display.getDisplay(this);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giff=newForm("SocketServer");
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifsi=newStringItem("Status:","");
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//显示发送消息的控件
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giftf=newTextField("Send:","",30,TextField.ANY);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giff.append(si);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giff.append(tf);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giff.addCommand(exitCommand);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//f.addCommand(sendCommand);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giff.setCommandListener(this);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifdisplay.setCurrent(f);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//启动线程
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifThreadt=newThread(this);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gift.start();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprotectedvoidstartApp()throwsMIDletStateChangeException
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//TODOAuto-generatedmethodstub
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprotectedvoidpauseApp()
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//TODOAuto-generatedmethodstub
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifprotectedvoiddestroyApp(booleanarg0)throwsMIDletStateChangeException
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//TODOAuto-generatedmethodstub
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifpublicvoidcommandAction(Commandc,Displayabled)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifif(sendCommand==c)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giftry
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifos.write(tf.getString().getBytes());
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifos.write(" ".getBytes());
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifcatch(IOExceptione)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//TODOAuto-generatedcatchblock
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gife.printStackTrace();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifelseif(exitCommand==c)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giftry
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifdestroyApp(false);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifthis.notifyDestroyed();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifcatch(MIDletStateChangeExceptione)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//TODOAuto-generatedcatchblock
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gife.printStackTrace();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifpublicvoidrun()
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifsi.setText("Waitingforconnection");
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//创建一个服务器的ServerSocketConnection连接
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giftry
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifscn=(ServerSocketConnection)Connector.open("socket://:5000");
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//等待一个连接
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifsc=(SocketConnection)scn.acceptAndOpen();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//设置提示信息
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifsi.setText("Connectionaccepted");
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifis=sc.openInputStream();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifos=sc.openOutputStream();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//连接完成后允许发送
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giff.addCommand(sendCommand);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//读取客户端发来的消息
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifwhile(true)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifStringBuffersb=newStringBuffer();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifintc=0;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//读取数据
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifwhile(((c=is.read())!=' ')&&(c!=-1))
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifsb.append((char)c);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//如果读取数据失败
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifif(c==-1)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifbreak;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//显示客户端反发送过来的消息
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifsi.setText("Messagereceved-"+sb.toString());
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifsi.setText("Connectionisclosed");
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//连接结束，则不实现发送按钮
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giff.removeCommand(sendCommand);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifcatch(IOExceptionioe)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifif(ioe.getMessage().equals("ServerSocketOpen"))
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//提示端口己经被占用
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifAlerta=newAlert("Server","Port5000isalreadytaken.",
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifnull,AlertType.ERROR);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifa.setTimeout(Alert.FOREVER);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifa.setCommandListener(this);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifdisplay.setCurrent(a);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifelse
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifif(!stop)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifioe.printStackTrace();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifcatch(Exceptione)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gife.printStackTrace();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//释放资源
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifpublicvoidstop()
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giftry
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifstop=true;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifif(is!=null)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifis.close();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifif(os!=null)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifos.close();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifif(sc!=null)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifsc.close();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifif(scn!=null)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifscn.close();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifcatch(IOExceptione)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif//TODOAuto-generatedcatchblock
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gife.printStackTrace();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gif

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Socket连接技术