checkaction.java

该系统的主要功能是

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.laoniu.web.action;

import java.io.PrintWriter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.laoniu.bean.Customer;
import com.laoniu.common.BeanFactory;
import com.laoniu.dao.ICustomerDao;
import com.laoniu.util.MakeXML;

/** 
 * MyEclipse Struts
 * Creation date: 05-06-2008
 * 
 * XDoclet definition:
 * @struts.action input="/register.jsp" validate="true"
 * @struts.action-forward name="return" path="/register.jsp"
 */
public class CheckAction extends Action{
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception{
		response.setContentType("text/xml");
		response.setCharacterEncoding("UTF-8");
		response.setHeader("Cache-Control","no-cache");
		response.setHeader("Pragma","no-cache");
		
		
		String name=request.getParameter("name");
		String xml=null;
		PrintWriter out=response.getWriter();
		MakeXML make=new MakeXML();
		ICustomerDao cd=(ICustomerDao)BeanFactory.getBean(BeanFactory.CUSTOMERDAO);
		Customer customer=cd.findCustomerByName(name);
		if(customer==null){
			xml=make.makeXml("此用户名可以使用！",true);
		}else{
			xml=make.makeXml("此用户名已被使用！", false);
		}
		System.out.println(xml);
		out.println(xml);
		out.flush();
		out.close();
		return null;
	}
}