loginaction.java

这是一个用struts做的登录的例子

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.1/xslt/JavaClass.xsl

package edu.sccp.qyj.struts.action;

import java.util.Locale;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.util.MessageResources;

import edu.sccp.qyj.service.UserService;
import edu.sccp.qyj.struts.form.LoginForm;

/** 
 * MyEclipse Struts
 * Creation date: 02-12-2007
 * 
 * XDoclet definition:
 * @struts.action path="/login" name="loginForm" input="/Login.jsp" scope="request" validate="true"
 * @struts.action-forward name="error" path="/error.jsp"
 */
public class LoginAction extends Action {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) {
		
		/*//获取用户的Locale信息
		Locale locale = this.getLocale(request);
		//获取资源包
		MessageResources message = this.getResources(request);*/
		
		LoginForm loginForm = (LoginForm) form;
		// TODO Auto-generated method stub
		String userName = loginForm.getUserName();
		ActionForward af = new ActionForward();
		String userPassword = loginForm.getUserPassword();
		ActionErrors errors = new ActionErrors();
		UserService user = new UserService();
		int i = user.checkUser(userName,userPassword);
		if(i==1){
			af = mapping.findForward("ok");
		}else if(i==2){
			errors.add("username",new ActionError("login.jsp.error.username"));
			saveErrors(request,errors);
			af = new ActionForward(mapping.getInput());
		}else if(i==3){
			errors.add("userpassword",new ActionError("login.jsp.error.password"));
			saveErrors(request,errors);
			af = new ActionForward(mapping.getInput());
		}
		return af;
	}

}