日期:2014-05-20 浏览次数:20765 次
import java.io.*; import java.util.*; import java.net.*; public class receiveServer { final int RECEIVE_PORT=9090; public receiveServer() { ServerSocket rServer=null; Socket request=null; Thread receiveThread=null; try{ rServer=new ServerSocket(RECEIVE_PORT); rServer.setSoTimeout(0); while(true){ System.out.println("等待用户请求."); request=rServer.accept(); System.out.println("接收客户机连接请求."); receiveThread=new serverThread(request); receiveThread.start(); } }catch(IOException e){ e.printStackTrace(); } } public static void main(String args[]){ new receiveServer(); } }
import java.net.*; import java.io.*; public class serverThread extends Thread { Socket clientRequest; InputStreamReader reader; BufferedReader input; InputStream inputStream = null; PrintWriter output; OutputStreamWriter writer; OutputStream outputStream; public serverThread(Socket s) { this.clientRequest=s; try{ outputStream = clientRequest.getOutputStream(); inputStream = clientRequest.getInputStream(); reader = new InputStreamReader(inputStream); writer = new OutputStreamWriter(outputStream); input = new BufferedReader(reader); output = new PrintWriter(writer,true); }catch(IOException e){ e.printStackTrace(); } } public void run(){ String command=null; String str=null; boolean done=false; while(!done){ try{ str=input.readLine(); }catch(IOException e){ System.out.println(e.getMessage()); } command=str.trim().toUpperCase(); if(str==null || command.equals("QUIT")) done=true; else if(command.equals("HELP")){ output.println("query"); output.println("quit"); output.println("help"); output.println("sendfile"); } else if(command.startsWith("QUERY")){ output.println("query"); }else if(command.startsWith("SENDFILE")){ output.println("READY\n"); output.flush(); try{ String savePath = "/home/hwcd/002.xls"; DataOutputStream fileOut = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(savePath))); DataInputStream inputS = new DataInputStream(new BufferedInputStream(this.inputStream)); System.out.println("文件的长度为:" + inputS.readLong() + "\n"); System.out.println("开始接收文件!" + "\n"); DataOutputStream outputS = new DataOutputStream(this.outputStream); byte[] buf=new byte[4096]; while(true){ int num=0; num = inputS.read(buf); //客户端会一直停在这个地方。 System.out.println("num="+num+"\n"); if (num == -1) { break; } fileOut.write(buf, 0, num); } System.out.println("接收完成:"+clientRequest.isClosed()+ "\n"); outputS.writeUTF("OK\n"); outputS.flush(); done=true; fileOut.close(); }catch(Exception e){ e.printStackTrace(); done=true; } }else if(!command.startsWith("HELP") && !command.startsWith("SENDFILE") && !command.startsWith("QUIT") && !command.startsWith("QUERY")){ output.println("Command not Found!Please refer to the HELP!"); } } try{ clientRequest.close(); }catch(IOException e){ System.out.println(e.getMessage()); } command=null; } }