Http-Connect.rar_HTTPConne_connect_j2me http_j2me login

package prj20_1; import java.io.DataInputStream; import java.io.DataOutputStream; import javax.microedition.io.Connector; import javax.microedition.io.HttpConnection; import javax.microedition.lcdui.Command; import javax.microedition.lcdui.CommandListener; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.Form; import javax.microedition.lcdui.TextField; import javax.microedition.midlet.MIDlet; import javax.microedition.midlet.MIDletStateChangeException; //送给服务器一些信息，得到响应，例如： public class MIDlet4 extends MIDlet implements CommandListener{ private Form frm = new Form("HTTP测试"); private TextField tfAcc = new TextField("输入账号","",10,TextField.ANY); private TextField tfPass = new TextField("输入账号","",10,TextField.ANY); private Command cmdLogin = new Command("登陆",Command.SCREEN,1); private Display dis; protected void startApp() throws MIDletStateChangeException { dis = Display.getDisplay(this); dis.setCurrent(frm); frm.append(tfAcc); frm.append(tfPass); frm.addCommand(cmdLogin); frm.setCommandListener(this); } public void commandAction(Command c,Displayable d){ if(c==cmdLogin){ ValidateTehread vt = new ValidateTehread(); vt.start(); } } class ValidateTehread extends Thread{ public void run(){ try{ String url = "http://localhost:9999/login.jsp"; //连接到HTTP服务器 HttpConnection hc = (HttpConnection)Connector.open(url); hc.setRequestMethod(HttpConnection.POST); //将账号和密码送给服务器，不通过URL,通过post DataOutputStream dos = hc.openDataOutputStream(); dos.writeUTF(tfAcc.getString()); dos.writeUTF(tfPass.getString()); dos.flush(); DataInputStream dis = hc.openDataInputStream(); byte[] b = new byte[(int)hc.getLength()]; dis.read(b); frm.append(new String(b)); }catch(Exception ex){ ex.printStackTrace(); } } } protected void destroyApp(boolean arg0) throws MIDletStateChangeException { // TODO Auto-generated method stub } protected void pauseApp() { // TODO Auto-generated method stub } }