loginaction.java

教师办公管理系统

package to.view.Action;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import java.io.IOException;
import javax.servlet.ServletException;
import to.model.Login.*;

public class LoginAction extends Action 
{
  /**
   * This is the main action called from the Struts framework.
   * @param mapping The ActionMapping used to select this instance.
   * @param form The optional ActionForm bean for this request.
   * @param request The HTTP Request we are processing.
   * @param response The HTTP Response we are processing.
   * @throws javax.servlet.ServletException
   * @throws java.io.IOException
   * @return 
   */
  public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
  {
    
    String UserName=request.getParameter("UserName").trim();
    String UserPwd=request.getParameter("UserPwd").trim();
    
    LoginBean lb=new LoginBean();
    if(UserName==null||UserName.length()<1)
    {
      request.setAttribute("question","工作编号不能为空！");
      return mapping.findForward("failure");
    }
    else if(UserPwd==null||UserPwd.length()<1)
    {
      request.setAttribute("question","密码不能为空！");
      return mapping.findForward("failure");
    }
    
    
    if(lb.getPeople(UserName,UserPwd).equals("true"))
    {
      loginItem li=lb.getUser(UserName,UserPwd);
      HttpSession session=request.getSession();
      session.setAttribute("user",li);
      return mapping.findForward("success");
    }
    return mapping.findForward("failure");
    
    
    
    
  }
}