org.jeecg.common.util.YouBianCodeUtil Java Examples

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Example #1
Source File: SysCategoryServiceImpl.java    From jeecg-boot-with-activiti with MIT License 4 votes vote down vote up 
@Override
public void addSysCategory(SysCategory sysCategory) {
	String categoryCode = "";
	String categoryPid = ISysCategoryService.ROOT_PID_VALUE;
	String parentCode = null;
	if(oConvertUtils.isNotEmpty(sysCategory.getPid())){
		categoryPid = sysCategory.getPid();

		//PID 不是根节点 说明需要设置父节点 hasChild 为1
		if(!ISysCategoryService.ROOT_PID_VALUE.equals(categoryPid)){
			SysCategory parent = baseMapper.selectById(categoryPid);
			parentCode = parent.getCode();
			if(parent!=null && !"1".equals(parent.getHasChild())){
				parent.setHasChild("1");
				baseMapper.updateById(parent);
			}
		}
	}
	/*
	* 分成三种情况
	* 1.数据库无数据 调用YouBianCodeUtil.getNextYouBianCode(null);
	* 2.添加子节点，无兄弟元素 YouBianCodeUtil.getSubYouBianCode(parentCode,null);
	* 3.添加子节点有兄弟元素 YouBianCodeUtil.getNextYouBianCode(lastCode);
	* */
	//找同类 确定上一个最大的code值
	LambdaQueryWrapper<SysCategory> query = new LambdaQueryWrapper<SysCategory>()
			.eq(SysCategory::getPid,categoryPid)
			.orderByDesc(SysCategory::getCode);
	List<SysCategory> list = baseMapper.selectList(query);
	if(list==null || list.size()==0){
		if(ISysCategoryService.ROOT_PID_VALUE.equals(categoryPid)){
			//情况1
			categoryCode = YouBianCodeUtil.getNextYouBianCode(null);
		}else{
			//情况2
			categoryCode = YouBianCodeUtil.getSubYouBianCode(parentCode,null);
		}
	}else{
		//情况3
		categoryCode = YouBianCodeUtil.getNextYouBianCode(list.get(0).getCode());
	}
	sysCategory.setCode(categoryCode);
	sysCategory.setPid(categoryPid);
	baseMapper.insert(sysCategory);
}