utils.java.svn-base

example2 众多JAVA实例源码...学习java基础的好帮手

package opusmicro.demos.game;

import java.util.Calendar;
import java.util.Date;
import java.util.Vector;

import javax.microedition.lcdui.Font;

public class Utils {
	public static final String getTimeZone(){
		Calendar calendar = Calendar.getInstance();
		Date date = new Date(System.currentTimeMillis());
		calendar.setTime(date);
		int day = calendar.get(Calendar.DATE);
		int year = calendar.get(Calendar.YEAR);
		int month = calendar.get(Calendar.MONTH)+1;
		int hour = calendar.get(Calendar.HOUR);
		int minute = calendar.get(Calendar.MINUTE);
		int second = calendar.get(Calendar.SECOND);
		System.out.println(year+"-"+month+"/-"+day+" "+hour+":"+minute+":"+second);
		return year+"-"+month+"/-"+day+" "+hour+":"+minute+":"+second;
	}
	
	public static final Vector getSubsection(String strSource, Font font, int width, String strSplit) {
		Vector vector = new Vector();
		String temp = strSource;
		int i, j;
		int LastLength = 1;
		int step = 0;
		try {
			while ( !temp.equals("")) {
				i = temp.indexOf("\n");
				if ( i > 0) {
					if ( font.stringWidth(temp.substring(0, i - 1)) >= width) {
						i = -1;
					}
				}
				if ( i == -1) {
					if ( LastLength > temp.length()) {
						i = temp.length();
					}
					else {
						i = LastLength;
						step = font.stringWidth(temp.substring(0, i)) > width ? -1 : 1;
						// 得到临界点
						if ( i < temp.length()) {
							while ( !(font.stringWidth(temp.substring(0, i)) <= width && font.stringWidth(temp
									.substring(0, i + 1)) > width)) {
								i = i + step;
								if ( i == temp.length()) break;
							}
						}
					}
					// 断词，如果需要的话
					if ( !strSplit.equals("")) {
						j = i; // 把初始值记录下来，是因为有可能出现一种情况，这种情况就是这一行只有这么一个单词，会一直搜索到头
						if ( i < temp.length()) {
							while ( strSplit.indexOf(temp.substring(i - 1, i)) == -1) {
								i--;
								if ( i == 0) {
									i = j; // 恢复
									break;
								}
							}
						}
					}
				}
				LastLength = i;
				vector.addElement(temp.substring(0, i));
				if ( i == temp.length()) {
					temp = "";
				}
				else {
					temp = temp.substring(i);
					if ( temp.substring(0, 1).equals("\n")) {
						temp = temp.substring(1);
					}
				}
			}
		}
		catch (Exception e) {
			System.out.println("getSubsection:" + e);
		}
		return vector;
	}
}