ssh2的helloworld(含mysql库)

package struts2.action; import java.util.Map; import javax.servlet.http.HttpServletRequest; import org.apache.struts2.ServletActionContext; import struts2.bean.User; import struts2.dao.BaseInterface; import com.hib.pojo.Student2; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; public class LoginAction extends ActionSupport { /*private String username; private String password;*/ private String message; BaseInterface dao; User user = new User(); public User getUser() { return user; } public void setUser(User user) { this.user = user; } public String execute(){ ActionContext ac = ActionContext.getContext(); Map request = (Map) ac.get("request"); request.put("name","secret"); Map session = ac.getSession(); HttpServletRequest req = ServletActionContext.getRequest(); Student2 stu = (Student2)dao.getUserById(); if(user.getUsername().equals("sa")&&user.getPassword().equals("sa")){ message="登录成功,Student2.username = "+stu.getName()+"ssh"; return SUCCESS; } message="用户名或密码错误"; return INPUT; } /*public void validate() { if(username==null||username.equals("")){ addFieldError("username","用户名不能为空"); } if(password==null||password.equals("")){ addFieldError("password","密码不能为空"); } } */ public void validateExecute() { if(user.getUsername()==null||user.getUsername().equals("")){ addFieldError("username","用户名不能为空"); } if(user.getPassword()==null||user.getPassword().equals("")){ addFieldError("password","密码不能为空"); } } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } public BaseInterface getDao() { return dao; } public void setDao(BaseInterface dao) { this.dao = dao; } }