描述：
1.上级机构可以为空。
2.机构添加时，选择了上级机构，在未提交前，另一用户将该机构删除，然后前一用户再提交表单，提示会保存成功，本操作应该保存失败。
思路：在上级机构不为空时，保存前进行查询判断，如果保存前一刻查询该机构存在则可以保存成功，否则保存提示“保存失败，请检查机构是否存在，再重试！”；
@RequiresPermissions("sys:office:edit")
@RequestMapping(value = "save")
public String save(Office office, Model model, RedirectAttributes redirectAttributes) {
if(Global.isDemoMode()){
addMessage(redirectAttributes, "演示模式，不允许操作！");
return "redirect:" + adminPath + "/sys/office/";}
if (!beanValidator(model, office)){
return form(office, model);
}
if("".equals(office.getParent().getName())){
officeService.save(office);
if(office.getChildDeptList()!=null){
Office childOffice = null;
for(String id : office.getChildDeptList()){
childOffice = new Office();
childOffice.setName(DictUtils.getDictLabel(id, "sys_office_common", "未知"));
childOffice.setParent(office);
childOffice.setArea(office.getArea());
childOffice.setType("2");
childOffice.setGrade(String.valueOf(Integer.valueOf(office.getGrade())+1));
childOffice.setUseable(Global.YES);
officeService.save(childOffice);
}
}
addMessage(redirectAttributes, "保存机构'" + office.getName() + "'成功");
}else{
// if(!("".equals(office.getParent().getName()))){//添加下级机构
int m = officeService.findByParentId(office.getParent().getName());
if(m==0){
addMessage(redirectAttributes, "保存失败，请检查机构是否存在，再重试！" );
}else{
officeService.save(office);
if(office.getChildDeptList()!=null){
Office childOffice = null;
for(String id : office.getChildDeptList()){
childOffice = new Office();
childOffice.setName(DictUtils.getDictLabel(id, "sys_office_common", "未知"));
childOffice.setParent(office);
childOffice.setArea(office.getArea());
childOffice.setType("2");
childOffice.setGrade(String.valueOf(Integer.valueOf(office.getGrade())+1));
childOffice.setUseable(Global.YES);
officeService.save(childOffice);
}
}
addMessage(redirectAttributes, "保存机构'" + office.getName() + "'成功");
}
}
String id = "0".equals(office.getParentId()) ? "" : office.getParentId();
return "redirect:" + adminPath + "/sys/office/forlist?id="+id+"&parentIds="+office.getParentIds();
}