package com.xuguang.af.util;

import java.beans.PropertyEditorSupport;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
 * jsp useBean 自省时将string转换为date
 * 使用PropertyEditorManager.registerEditor(Date.class,DatePropertyEditor)注册
 * @author ztw
 *
 */
public class DatePropertyEditor extends PropertyEditorSupport {
	private Date date;
	private static final SimpleDateFormat  format = new SimpleDateFormat("yyyy-MM-dd");
	
	public void setAsText(String str) {
		try {
			date = format.parse(str);
		}
		catch(Exception e) {
			date = null;
		}
	}
	
	public Date getValue() {
		return date;
	}
}

package com.xuguang.af.web.servlet;

import java.beans.PropertyEditorManager;
import java.util.Date;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;

import com.xuguang.af.util.DatePropertyEditor;

/**
 * 注册string转换为Date的方法
 * @author ztw
 *
 */
public class RegisterEditorServlet extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public void init() throws ServletException {
		PropertyEditorManager.registerEditor(Date.class, DatePropertyEditor.class);
	}

}

<servlet>
		<servlet-name>editorRegister</servlet-name>
		<servlet-class>com.xuguang.af.web.servlet.RegisterEditorServlet</servlet-class>
		<load-on-startup>0</load-on-startup>
	</servlet>