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最新推荐文章于 2025-09-06 22:56:13 发布

原创最新推荐文章于 2025-09-06 22:56:13 发布 · 255 阅读

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#数据库

本文介绍了一个Java Web应用程序中的删除功能实现细节，包括如何通过获取用户ID来确定要删除的数据，并展示了如何从数据库中删除指定记录的过程。

public ActionForward deleteApplyDetail (ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {

ApplyForm applyForm = (ApplyForm) form;
int elementID = applyForm.getApplyVO().getElementId();

EmployeeVO employeeVO=getEmployeeVO(request); //得到申报用户的 person_id;
int apply_employee_id=employeeVO.getEmployeeId();

int payrollID =0; // 根据申报用户的 person_id 获取payrollID

payrollID=getPayrollID(apply_employee_id);

if ((Integer) elementID != null && payrollID!=0) {

ApplicationDelegate delegate = new ApplicationDelegate();

FndFlexContextVO tempColumnVO = delegate.getApplyTemplate(elementID,payrollID);

int selectContentid=applyForm.getSelectContentId();

List templatelist = tempColumnVO.getFndFlexColumnList();

request.setAttribute("Templatelist", templatelist);

List contentList = applyForm.getApplyVO().getInstanceContentList();
//删除指定的一行,要求ID
InstanceContentVO instancecontentvo=(InstanceContentVO)contentList.get(selectContentid);

int instance_content_id=instancecontentvo.getInstance_content_id();
int instance_control_id=instancecontentvo.getInstance_control_id();

//如数据库中有数据,也要删除
if(instance_content_id!=0 && instance_control_id!=0){

ApplicationDelegate deleteDelegate = new ApplicationDelegate();
deleteDelegate.deleteApply(instancecontentvo);

}
contentList.remove(selectContentid); //从页面列表中删除
if(contentList.size()==0){
return this.changeElementAction(mapping, form, request, response);
}
}

return forwardTemplatePage(request, mapping, payrollID, elementID);

}