Anddoi 将时间转换为指定时区的时间

import java.text.Format;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;
import java.util.SimpleTimeZone;
import java.util.TimeZone;

import javax.swing.text.html.HTMLDocument.Iterator;

public class Test2 {

protected static Format format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

/**
* timeZoneOffset表示时区，如中国一般使用东八区，因此timeZoneOffset就是8
* @param timeZoneOffset
* @return
*/
public String getFormatedDateString(int timeZoneOffset){
if (timeZoneOffset > 13 || timeZoneOffset < -12) {
timeZoneOffset = 0;
}
TimeZone timeZone;
String[] ids = TimeZone.getAvailableIDs(timeZoneOffset * 60 * 60 * 1000);
if (ids.length == 0) {
// if no ids were returned, something is wrong. use default TimeZone
timeZone = TimeZone.getDefault();
} else {
timeZone = new SimpleTimeZone(timeZoneOffset * 60 * 60 * 1000, ids[0]);
}

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
sdf.setTimeZone(timeZone);
return sdf.format(new Date());
}

public static String getFormatedDateString(String _timeZone) throws Exception{
SimpleDateFormat s=new SimpleDateFormat("yyyy/MM/dd HH:mm");
Date ddd=s.parse("2014/6/13 4:00");
TimeZone timeZone = null;
if("".equals(_timeZone)){
timeZone = TimeZone.getDefault();
}else{
timeZone = TimeZone.getTimeZone(_timeZone);
}

SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
sdf.setTimeZone(timeZone);
//TimeZone.setDefault(timeZone);
return sdf.format(ddd);
}

public static void setCNTimeZone(){
final TimeZone zone = TimeZone.getTimeZone("GMT+8");
TimeZone.setDefault(zone);
}

public static void main(String args[]) throws Exception{
System.out.println(getFormatedDateString(""));
System.out.println(getFormatedDateString("Asia/Shanghai"));
System.out.println(getFormatedDateString("Asia/Seoul"));
System.out.println(getFormatedDateString("Europe/Madrid"));
System.out.println(getFormatedDateString("GMT+1:00"));
System.out.println(TimeZone.getDefault().getID());
}

}