dateconverter.java

SSH2实现增删改查的小DEMO

package com.ghy.util;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;

import ognl.DefaultTypeConverter;

public class DateConverter extends DefaultTypeConverter
{
	private static final DateFormat ACCEPT_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
	public Object convertValue(Map context, Object value, Class toType) 
	{
		 //浏览器向服务器提交时，进行String to Date的转换
		if (toType == Date.class) {  
		Date date = null; 
		String dateString = null; 
		String[] params = (String[])value; 
	    //获取日期的字符串
		dateString = params[0];
			//进行转换 
		try {
			return	ACCEPT_DATE_FORMAT.parse(dateString);
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		}
		//服务器向浏览器输出时，进行Date to String的类型转换
		if (toType == String.class) {    
		Date date = (Date)value; 
		//输出的格式
		return new SimpleDateFormat("yyyy-MM-dd").format(date); 
		} 
		return null ;
		
	}
		
}