j2me 开发的双色球机选小程序

偶尔玩玩彩票，不过每次都是机选，与其让别人来帮我机选，不如我自己机选哦呵呵，就突发其想写个手机小程序玩下,由于也是第一次接触j2se ，写出和大家分享，各位tx不要见笑:

1. 程序很简单，仅仅是按给定的数字产生对应的几组号码，j2se实现，我的索爱k790C的机器，测试没有问题

2.环境：

j2me platform sdk3.0

jdk6.0(sdk3.0必须要jdk6.0支持)

myeclipse 6.0GA

eclipseME plugin

 

3.code 

package lottery; import java.util.Enumeration; import java.util.Random; import java.util.Vector; 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.TextBox; import javax.microedition.lcdui.TextField; import javax.microedition.midlet.*; /** * @author Cary */ public class Lottery extends MIDlet implements CommandListener { private Display display; private Form form; private Command submitCommand; private Command exitCommand; private Command backCommand; private TextField txtField; private TextBox txtBox; public Lottery() { display = Display.getDisplay(this); submitCommand = new Command("submit", Command.OK, 1); exitCommand = new Command("exit", Command.EXIT, 1); txtField = new TextField("输入随机注数:", "", 2, TextField.NUMERIC); txtField.setLayout(TextField.LAYOUT_VCENTER); form = new Form("双色球机选小程序"); form.append(txtField); form.addCommand(exitCommand); form.addCommand(submitCommand); form.setCommandListener(this); } public void startApp() { display.setCurrent(form); } public void pauseApp() { } public void destroyApp(boolean unconditional) { } public void commandAction(Command c, Displayable d) { if (c == submitCommand) { int num = Integer.parseInt(txtField.getString()); if (num > 10) { num = 10; } String result = getGroupRandomNums(num); txtBox = new TextBox("Nums", result, 4096, 0); backCommand = new Command("BACK", Command.BACK, 1); txtBox.addCommand(backCommand); txtBox.setCommandListener(this); display.setCurrent(txtBox); } else if (c == exitCommand) { destroyApp(false); this.notifyDestroyed(); } else if (c == backCommand) { display.setCurrent(form); } } //获取6个红球 private static int[] getRedObr() { Random random = new Random(); Vector randomNums = new Vector(); while (true) { random.setSeed(System.currentTimeMillis()); int ran = Math.abs(random.nextInt()); int returnRan = ran % (35 - 1 + 1) + 1; if (!randomNums.contains(new Integer(returnRan))) { randomNums.addElement(new Integer(returnRan)); } if (randomNums.size() == 6) { break; } } Enumeration enumeration = randomNums.elements(); int[] redObr = new int[randomNums.size()]; int counter = 0; while (enumeration.hasMoreElements()) { Integer num = (Integer) enumeration.nextElement(); redObr[counter] = Integer.parseInt(num.toString()); counter++; } for (int i = 1; i < redObr.length; i++) { int temp = redObr[i]; int j = i; while (j > 0 && redObr[j - 1] >= temp) { redObr[j] = redObr[j - 1]; --j; } redObr[j] = temp; } return redObr; } //随机选取蓝球 private static int getBlueObr() { Random random = new Random(); random.setSeed(System.currentTimeMillis()); int ran = Math.abs(random.nextInt()); int returnRan = ran % (16 - 1 + 1) + 1; return returnRan; } private static String getGroupRandomNums(int count) { StringBuffer strResult = new StringBuffer(); int[] redObrNums = null; int blueObrNum = 0; if (count > 1) { for (int m = 0; m < count; m++) { redObrNums = getRedObr(); blueObrNum = getBlueObr(); for (int i = 0; i < redObrNums.length; i++) { if (redObrNums[i] < 10) { strResult.append(0); } strResult.append(redObrNums[i]); strResult.append(" "); } strResult.append("|"); if (blueObrNum < 10) { strResult.append(0); } strResult.append(blueObrNum); strResult.append("/n"); } } return strResult.toString(); } }