deletepeopleaction.java

教师办公管理系统

package to.view.Action;
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.People.PeopleBean;

public class DeletePeopleAction 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
  {
    
    int id=Integer.parseInt(request.getParameter("id"));
    
    PeopleBean pb=new PeopleBean();
    if(pb.getCollege(id)==1)
    {
      request.setAttribute("question","当前数据正在被其它表使用，不能进行删除");
      return mapping.findForward("failure");
    }
    else if(pb.getDepartment(id)==1)
    {
      request.setAttribute("question","当前数据正在被其它表使用，不能进行删除");
      return mapping.findForward("failure");
    }
     else if(pb.getInform(id)==1)
    {
      request.setAttribute("question","当前数据正在被其它表使用，不能进行删除");
      return mapping.findForward("failure");
    }
     else if(pb.getEmail(id)==1)
    {
      request.setAttribute("question","当前数据正在被其它表使用，不能进行删除");
      return mapping.findForward("failure");
    }
    
    if(pb.deletePeople(id).equals("删除成功"))
    {
        return mapping.findForward("success");
    }
    request.setAttribute("question","当前数据正在被其它表使用，不能进行删除");
    return mapping.findForward("failure");
  }
}