基于聊天客户端的基础上的文件(txt文件)传输
客户端代码:
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public class uploadclient { public static void main(string[] args) throws unknownhostexception, ioexception { // todo auto-generated method stub //1,创建socket客户端对象 socket s = new socket( "localhost" , 10005 ); //2,读取本地文件 bufferedreader bufr = new bufferedreader( new filereader( "c:\\新建文件夹\\client.txt" )); //3,socket流 printwriter out = new printwriter(s.getoutputstream(), true ); string line = null ; while ((line=bufr.readline())!= null ){ out.println(line); } //告诉服务端,客户端写完了 s.shutdownoutput(); //4,读取服务端返回的上传成功对象 bufferedreader bufin = new bufferedreader( new inputstreamreader(s.getinputstream())); string str = bufin.readline(); system.out.println(str); //关闭资源 bufr.close(); s.close(); } } |
服务端代码:
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public static void main(string[] args) throws unknownhostexception, ioexception { // todo auto-generated method stub //1, serversocket ss = new serversocket( 10005 ); //2,获取socket对象 socket s = ss.accept(); //获取ip system.out.println(s.getinetaddress().gethostaddress()+ "....conected" ); //3,获取socket读取流,并装饰 bufferedreader bufin = new bufferedreader( new inputstreamreader(s.getinputstream())); //4,写入文件 bufferedwriter bufw = new bufferedwriter( new filewriter( "c:\\新建文件夹\\server.txt" )); string line = null ; while ((line=bufin.readline())!= null ){ bufw.write(line); bufw.newline(); //换行 bufw.flush(); //刷新流 } printwriter out = new printwriter(s.getoutputstream(), true ); out.println( "上传成功" ); bufw.close(); s.close(); //关闭客户端 ss.close(); //关闭服务端 } |
要注意的是tcp传输中,一定要先运行服务端再运行客户端。
总结
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原文链接:https://blog.csdn.net/lzq1326253299/article/details/86526556