j2me常用的字符,日期,以及转换编码实现
import java.io.UnsupportedEncodingException;import java.util.Vector;import javax.wireless.messaging.Message;/** * 转换网络传过来的数据 * * @auth colonel * @dateOrLeague 2006-7-11 * */public class StringUtil { /** * 切割str字符串 * 例如("wuhua,中国,好,",",");分割成String[] s = {"wuhua","中国","好"); * @param str 源字符串 * @param regex,分割标致, * @return */public static String[] split(String bufferstr, String regex) {if(bufferstr == null)return null;Vector split = new Vector();while (true) // 处理从网络上获得的数据并对其进行处理{int index = bufferstr.indexOf(regex);if (index == -1) {if (bufferstr != null && !bufferstr.equals(""))split.addElement(bufferstr);// log.debug("bufferstr=" +bufferstr);sbreak;}split.addElement(bufferstr.substring(0, index));// log.debug("Str=" + bufferstr.substring(0, index));bufferstr = bufferstr.substring(index + 1, bufferstr.length());// log.debug("bufferstr=" +bufferstr);}String[] s = new String[split.size()];split.copyInto(s);return s;}/** * 转换网络上的字节为中文 * @param bytes * @param start * @return */public static String getStringToGBK(byte[] bytes, int start) {byte[] rt = new byte[bytes.length - start];for (int i = 0; i < rt.length; i++)rt[i] = bytes[i + start];try {return new String(rt, "UTF-8");} catch (UnsupportedEncodingException e) {e.printStackTrace();return new String(rt);}}}/** * 转换编码 * @author Administrator * */public class FormatTransfer {public static int getUINT4(byte ba[], int start) {int r = 0;r |= 0xff & ba[start];r <<= 8;r |= 0xff & ba[start + 1];r <<= 8;r |= 0xff & ba[start + 2];r <<= 8;r |= 0xff & ba[start + 3];return r;}public static void setUINT4(byte ba[], int start, int value) {ba[start] = (byte) (value >> 24 & 0xff);ba[start + 1] = (byte) (value >> 16 & 0xff);ba[start + 2] = (byte) (value >> 8 & 0xff);ba[start + 3] = (byte) (value & 0xff);}public static void setUSHORT4(byte ba[], int start, short value) {ba[start + 0] = (byte) (value >> 8 & 0xff);ba[start + 1] = (byte) (value & 0xff);}public static short getUSHORT4(byte ba[], int start) {short r = 0;r |= 0xff & ba[start];r <<= 8;r |= 0xff & ba[start + 1];return r;}public static void appen(byte[] rt, byte[] bodys, int start) {for (int i = 0; i < bodys.length; i++) {rt[start + i] = bodys[i];}}} import java.util.Calendar;import java.util.Date;import java.util.TimeZone;/** * <b>类名：DateTime.java</b> </br> 编写日期: 2006-6-23 <br/> 程序功能描述：日期时间的工具类 <br/> * Demo: <br/> Bug: <br/> * * 程序变更日期 ：<br/> 变更作者 ：<br/> 变更说明 ：<br/> * * @author wuhua </br> <a href="mailto:rrq12345@163.com">rrq12345@163.com</a> */public final class DateTime {private static String[] WEEKDAYS_EN = { "SUN", "MON", "TUE", "WED", "THU","FRI", "SAT" };private static String[] WEEKDAYS_CH = { "周日", "周一", "周二", "周三", "周四", "周五","周六" };public final String timeZone;public final int year;public final int month;public int day;public int weekday;public final int hour;public final int minute;public final int second;public final int millsecond;Calendar c;public DateTime(Date date, String timeZone) {this.timeZone = timeZone;c = timeZone == null ? Calendar.getInstance() : Calendar.getInstance(TimeZone.getDefault());c.setTime(date);year = c.get(Calendar.YEAR);month = c.get(Calendar.MONTH);day = c.get(Calendar.DAY_OF_MONTH);weekday = c.get(Calendar.DAY_OF_WEEK);hour = c.get(Calendar.HOUR_OF_DAY);minute = c.get(Calendar.MINUTE);second = c.get(Calendar.SECOND);millsecond = c.get(Calendar.MILLISECOND);}public DateTime(long time, String timeZone) {this(new Date(time), timeZone);}public DateTime() {this(System.currentTimeMillis(), "GMT + 16");}public static String beforeOneDate() {return new DateTime(System.currentTimeMillis() - 24 * 3600 * 1000,"GMT+8").toDateString();}public Date toDate() {Calendar c = Calendar.getInstance(TimeZone.getTimeZone(timeZone));c.set(Calendar.YEAR, year);c.set(Calendar.MONTH, month);c.set(Calendar.DAY_OF_MONTH, day);c.set(Calendar.HOUR_OF_DAY, hour);c.set(Calendar.MINUTE, minute);c.set(Calendar.SECOND, second);c.set(Calendar.MILLISECOND, millsecond);return c.getTime();}public String toDateString() {if (timeZone.equals("GMT-8"))return (month + 1) + "月" + day + "日" + " ["+ WEEKDAYS_EN[weekday - 1] + "] ";elsereturn (month + 1) + "月" + day + "日" + " ["+ WEEKDAYS_CH[weekday - 1] + "] ";}public void setDate(int day) {this.day = day;this.c.set(Calendar.DAY_OF_WEEK, day);// day = c.get(Calendar.DAY_OF_WEEK);weekday = c.get(Calendar.DAY_OF_WEEK);}public String toTimeString() {return hour + ":" + minute + ":" + second + ":" + millsecond;}public String toString() {return toDateString() + " " + toTimeString();}}