J2ME文件上传实例(FileConnector链接文件系统，非RMS)
客户端：
　　import java.io.InputStream;
　　import java.io.OutputStream;
　　import java.io.ByteArrayOutputStream;
　　import javax.microedition.io.*;
　　import javax.microedition.midlet.MIDlet;
　　import javax.microedition.midlet.MIDletStateChangeException;
　　import javax.microedition.io.file.*;
　　public class HttpConnect extends MIDlet {
　　public HttpConnect() {
　　// TODO Auto-generated constructor stub
　　}
　　protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
　　// TODO Auto-generated method stub
　　}
　　protected void pauseApp() {
　　// TODO Auto-generated method stub
　　}
　　protected void startApp() throws MIDletStateChangeException{
　　String url = "http://192.168.0.114:8080/EngineService/sync";
　　try{
　　byte[] data = null;
　　if( System.getProperty("microedition.io.file.FileConnection.version" ) != null ){
　　try {
　　FileConnection fc = (FileConnection)Connector.open("file:///root1/test.png", Connector.READ_WRITE);
　　//fc.create();
　　InputStream in = fc.openInputStream();
　　fc.close();



//=================================================================================

ByteArrayOutputStream out = new ByteArrayOutputStream(4096);
　　byte[] tmp = new byte[4096];
　　int n;
　　while ((n = in.read(tmp)) != -1) {
　　out.write(tmp, 0, n);
　　out.flush();
　　}
　　in.close();
　　out.close();
　　data = out.toByteArray();
　　}catch (Exception e) {
　　e.printStackTrace();
　　}
　　}
　　HttpConnection sc = (HttpConnection)Connector.open( url, Connector.READ_WRITE, true );
　　sc.setRequestMethod( HttpConnection.POST );
　　sc.setRequestProperty("Content-Type", "application/octet-stream");
　　sc.setRequestProperty("Content-Length", String.valueOf(data.length));
　　OutputStream output = sc.openOutputStream();
　　output.write(data);
　　output.flush();
　　output.close();
　　}catch(Exception e){
　　System.out.println("Error:"+e);
　　}
　　}
　　}
　　服务器端：
　　protected void doPost(HttpServletRequest req, HttpServletResponse resp)
　　throws ServletException, IOException
　　{
　　InputStream in = req.getInputStream();
　　byte[] tmp = new byte[4096];
　　int size=0;
　　File f = new File("c:\\",System.currentTimeMillis()+".png");
　　DataOutputStream o = new DataOutputStream(new FileOutputStream(f));
　　int len=0;
　　while((len = in.read(tmp))!= -1){
　　o.write(tmp,0,len);
　　o.flush();
　　size+=len;
　　}
　　o.close();
　　}