递归

使用递归实现删除

//删除
    public String dictionaryDel(){
        try {
            if (ids != null && !"".equals(ids)) {
                
                String[] split = ids.split(",");
                
                for(String id:split){
                    utilService.updateAll("update Dictionary d set d.isDele=1 where d.id="+id);
                    dictionarySet(id);
                }
                for(String id:split){
                    Dictionary dictionaryOld = (Dictionary) this.utilService.getObjectById(Dictionary.class, Integer.parseInt(id));
                    if(dictionaryOld.getFkDicId()!=0){
                        int count=utilService.getHqlCount("from Dictionary d where d.isDele=0 and d.fkDicId="+dictionaryOld.getFkDicId());
                        if(count==0){
                            Dictionary dictionaryP = (Dictionary) this.utilService.getObjectById(Dictionary.class, dictionaryOld.getFkDicId());
                            dictionaryP.setIsLeaf(1);
                            utilService.update(dictionaryP);
                        }
                    }
                }
            }
            return dictionaryList();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return ERROR;
    }
    private void dictionarySet(String id)throws Exception {
        List<Dictionary> dictionaries=(List<Dictionary>) utilService.getHqlAll("from Dictionary d where d.isDele=0 and d.fkDicId="+id);
        if(dictionaries!=null&&dictionaries.size()>0){
            for(Dictionary dictionary:dictionaries){
                utilService.updateAll("update Dictionary d set d.isDele=1 where d.id="+dictionary.getId());
                dictionarySet(dictionary.getId().toString());
            }
        }
    }

数据库