testpost.java

在手机应用程序开发时

import java.io.*;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import javax.microedition.lcdui.Choice;
import javax.microedition.lcdui.ChoiceGroup;
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.Image;
import javax.microedition.lcdui.StringItem;
import javax.microedition.lcdui.TextField;
import javax.microedition.midlet.MIDlet;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author tpwhw
 */
public class TESTPost extends Form implements CommandListener, Runnable {

    protected MIDlet mid;
    protected Display disp = null;
    protected Command cmd_Send = new Command("发送", Command.SCREEN, 1);
    protected Command cmd_Exit = new Command("结束", Command.EXIT, 1);
    protected Thread thread = null;
    private String[] Encode = {"ucs-2", "utf-8", "utf8", "utf_8", "gb2312", "gbk", "unicode"};
    private Image[] img = new Image[Encode.length];
    private ChoiceGroup chk_Encode = new ChoiceGroup("解码", Choice.EXCLUSIVE, Encode, img);
    private StringItem lbl_Value = new StringItem("返回值：", "");
    private TextField txt_Param = new TextField("URLParam:", "参数", 50, TextField.ANY);

    public TESTPost(MIDlet mid) {
        super("HTPP联接测试");
        this.mid = mid;
        disp = Display.getDisplay(mid);
        disp.setCurrent(this);
        addCommand(cmd_Send);
        addCommand(cmd_Exit);
        setCommandListener(this);
        append(txt_Param);
        append(chk_Encode);
        append(lbl_Value);
    }

    public void commandAction(Command c, Displayable d) {
        if (c == cmd_Send) {
            removeCommand(c);
            thread = new Thread(this);
            thread.start();
        } else if (c == cmd_Exit) {
            mid.notifyDestroyed();
        }
    }

    public void run() {
        HttpConnection conn = null;
        try {
            //http://222.185.236.90/TEST1.asp
            conn = (HttpConnection) Connector.open("http://192.168.3.4/TestPost.asp");
            conn.setRequestMethod(HttpConnection.POST);
            //conn.setRequestProperty("","");
            conn.setRequestProperty("User-Agent",
                    "Profile/MIDP-2.0 Configuration/CLDC-1.0");
            conn.setRequestProperty("Content-Language", "utf-8");

            DataOutputStream dos = conn.openDataOutputStream();
            dos.write("<input name='name' type='hidden' value='中国' />".getBytes("utf-8"));
            dos.write("<input name='pwd' type='hidden' value='1122' />".getBytes("utf-8"));
            dos.flush();
            if (conn.getResponseCode() != HttpConnection.HTTP_OK) {
                lbl_Value.setText("错误代码：" + conn.getResponseMessage());
            }


            DataInputStream dis = conn.openDataInputStream();
            String en = chk_Encode.getString(chk_Encode.getSelectedIndex());
            int len = (int) conn.getLength();
            if (len == -1) {
                int c = 0;
                StringBuffer s = new StringBuffer();
                while ((c = dis.read()) != -1) {
                    s.append((char) c);

                }

                lbl_Value.setText(s.toString());
            } else {
                byte[] b = new byte[len];
                dis.read(b);
                String s = new String(b, en);
                lbl_Value.setText("返回内容：" + s);
            }
        } catch (Exception e) {
            lbl_Value.setText("出错:" + e.getMessage());

        } finally {
            try {
                if (conn != null) {
                    conn.close();
                }
            } catch (Exception e) {
            }
            addCommand(cmd_Send);
        }

    }
}