messageformatexam1.java

JavaWeb高级特性书中源代码

import java.text.DateFormat;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.Date;
public class MessageFormatExam1
{
	public static void main(String args[]) throws Exception
	{
		String pattern = "On {0}, {1} destroyed {2} houses and caused "
			+ "{3} of damage.";
		MessageFormat msgFmt = new MessageFormat(pattern);

		//准备参数数组
		String datetimeString = "Jul 3, 1998 12:30 PM";
		Date date = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, 
			DateFormat.SHORT, Locale.US).parse(datetimeString);
		String event = "a hurricance";
		Object [] msgArgs = {date, event, new Integer(99), new Double(1E7)};

		//执行格式化操作
		String result = msgFmt.format(msgArgs);
		System.out.println(result);
	}
}