jdbcdemo 程序

package com.test.action; import java.util.Map; import org.apache.struts2.interceptor.SessionAware; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; import com.test.dao.LoginDao; public class LoginAction extends ActionSupport implements SessionAware{ private static final long serialVersionUID = 1L; private String userName; private String passWord; private String resultMsg; private int resultInt; private Map<String, Object> request; private Map<String, Object> session; private Map<String, Object> application; //RegisterImpl regImpl = new RegisterImpl(); //实例注册 @Override public void setSession(Map<String, Object> session) { this.session=session; } // 登录 public String execute() throws Exception { resultMsg = null; // 数据库查询，根据用户输入与数据库中数据匹配情况 LoginDao login = new LoginDao(); int resultInt = login.CheckLogin(userName, passWord); /* //获取对象 ActionContext ac = ActionContext.getContext(); //request=(Map<String, Object>) ac.get("request"); session=ac.getSession(); //application=ac.getApplication(); //保存数据 session.put("userName", userName); session.put("passWord", passWord); //获取数据 System.out.println(session.get("userName")); System.out.println(session.get("passWord"));*/ if (1 == resultInt) { resultMsg = "登录成功，欢迎" + userName; //获取ActionContext实例，通过它来访问Servlet API ActionContext context = ActionContext.getContext(); session=context.getSession(); //看session中是否已经存放了用户名，如果存放了：说明已经登录了；否则说明是第一次登录成功 if(null != session.get("uName")){ resultMsg = userName + "：你已经登录过了!!!"; }else{ session.put("uName", userName); }; return SUCCESS; } else { resultMsg = "登录失败!"; return ERROR; } } // 对应的jsp: // Namespace/类名!方法名.action // <form action="action/login!login.action"> // Action!方法名.action // <form action="login!login.action"> // 提交注册 /* public String register() { // 验证用户名是否重复 resultInt = regImpl.findByUserName(userName); if (resultInt != 0) { resultMsg = "用户名已被使用，请重新输入"; return "registerFailure"; } else { resultInt = regImpl.register(userName, passWord); if (1 == resultInt) { // 1. 将用户信息保存到Session中。 Map<String, Object> session = ActionContext.getContext().getSession(); session.put("userName", userName); session.put("passWord", passWord); // 2. taglib标识传递 resultMsg = "注册成功"; return "registerSuccess"; } else { resultMsg = "注册失败"; return "registerFailure"; } } } */ public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getPassWord() { return passWord; } public void setPassWord(String passWord) { this.passWord = passWord; } public String getResultMsg() { return resultMsg; } public void setResultMsg(String resultMsg) { this.resultMsg = resultMsg; } }