relationaction.java

bs_客户关系管理系统 每个例子文件夹都附有数据库表、程序源文件和一个war包（或者jar包）。如果是cs结构的

package struts.action;

import org.apache.struts.action.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import struts.actionform.RelationListForm;
import bo.RelationDetailBo;

public class RelationAction
    extends Action {
  private String forward= null;
  private RelationListForm form = null;
  /**
   * Process the specified HTTP request, and create the corresponding HTTP
   * response (or forward to another web component that will create it), with
   * provision for handling exceptions thrown by the business logic.
   *
   * @param mapping The ActionMapping used to select this instance
   * @param form The optional ActionForm bean for this request (if any)
   * @param request The HTTP request we are processing
   * @param response The HTTP response we are creating
   * @throws Exception if the application business logic throws an exception
   * @return ActionForward
   * @todo Implement this org.apache.struts.action.Action method
   */
  public ActionForward execute(ActionMapping mapping, ActionForm aform,
                               HttpServletRequest request,
                               HttpServletResponse response) throws Exception {
    form = (RelationListForm)aform;
    String sn = request.getParameter("relationSn");
    if (sn != null)
    {
      form.setRelationSn(sn);
    }
    String action =form.getEvent();
    forwardMapping(action,request);
    return mapping.findForward(forward);

  }
  private void forwardMapping(String action ,HttpServletRequest request) throws Exception
  {
    RelationDetailBo bo = RelationDetailBo.getInstance();
    if (action == null || action.trim().equals("") || action.equals("back"))
    {
      bo.getPageableRelationDetailList(form);
      forward = "relationlistpage";
    }
    else if (action.equals("add"))
      forward = "add";
    else if (action.equals("delete"))
    {
      String mess = bo.deleteRelationBySn(form);
      form.setMessage(mess);
      bo.getPageableRelationDetailList(form);
      forward = "relationlistpage";
    }
    else if (action.equals("view"))
    {
      bo.getRelationBySn(form);
      forward = "view";
    }
    else if (action.equals("savenew"))
    {
      String mess = bo.saveNewRelation(form);
      form.setMessage(mess);
      bo.getPageableRelationDetailList(form);
      forward = "relationlistpage";
    }
    else if (action.equals("savemodify"))
    {
      String mess = bo.saveModifyRelation(form);
      form.setMessage(mess);
      bo.getPageableRelationDetailList(form);
      forward = "relationlistpage";
    }
    else
      throw new UnsupportedOperationException("不支持的操作！");
  }
}