inputform.java

j2me源代码

import javax.microedition.lcdui.*;

public class InputForm extends Form implements CommandListener {
  Command cmdOk=new Command("\u8FDB\u5165\u6E38\u620F",Command.OK,1);
  Command cmdExit=new Command("\u9000\u51FA\u6309\u94AE",Command.EXIT,2);
  public InputForm() {
    super("\u9009\u62E9\u5730\u56FE");
    jbInit();
  }

  private void jbInit(){
    this.addCommand(cmdOk);
    this.addCommand(cmdExit);
    setCommandListener(this);
    this.append(textField1);
    this.append(imageItem1);
    textField1.setLabel("\u8F93\u51651-15\u9009\u62E9\u56FE\u7247");
    textField1.setPreferredSize(236, 39);
    textField1.setConstraints(TextField.NUMERIC);
    try{
      imageItem1.setImage(Image.createImage("//welcome.png"));
    }
    catch(Exception e)
    {
      e.printStackTrace();
    }
    imageItem1.setPreferredSize(235, 220);
  }

  public void commandAction(Command command, Displayable displayable) {
    if(command==cmdOk)
    {
      int num=0;
      num=Integer.parseInt(textField1.getString());
      if(num<0 || num>15){
        mainMIDlet.display.setCurrent(new Alert("\u8F93\u5165\u9519\u8BEF\uFF0C\u8BF7\u8F93\u51651-15\u4E4B\u95F4\u7684\u6570\u5B57\u3002"),this);
        return;
      }
      mainMIDlet.display.setCurrent(new Displayable1(num));
    }
    if(command==cmdExit)
    {
      mainMIDlet.quitApp();
    }
  }
  TextField \u968F\u98CE\u6269\u6563\u8B66\u65B9 = new TextField("", "", 15, TextField.ANY);
  TextField textField1 = new TextField("", "", 15, TextField.ANY);
  ImageItem imageItem1 = new ImageItem("", null, ImageItem.LAYOUT_DEFAULT, "");
}