/*
     * @author 於良偉
     *       根先序遍歷算法
     * @param bizes  所選的遍歷總數(shù)據(jù)
     * @param bizID 當(dāng)前遍歷的根節(jié)點(diǎn)id
     * @param treeList 遍歷返回結(jié)果
     * @return void
     *
     * */
    private void traversal(List bizes,Long bizID, List treeList) {
             for (int i = 0; i < bizes.size(); i++) {
                 Business business = (Business) bizes.get(i);
                 if (business.getParentBusiness()!=null && bizID.equals(business.getParentBusiness().getId())) {
                     /*如果當(dāng)前節(jié)點(diǎn)存在父節(jié)點(diǎn)并且當(dāng)前節(jié)點(diǎn)的父節(jié)點(diǎn)編號(hào)與bizID相同,則添加到treeList*/
                     treeList.add(business);
                     /*遍歷*/
                     traversal(bizes,business.getId(),treeList);
                 }

             } //for
    }

/*
     * @author 於良偉
     *     根據(jù)所選收支類(lèi)型創(chuàng)建樹(shù)
     * @param  biz  所選節(jié)點(diǎn)
     * @param  IOflag 收支類(lèi)型
     * @return  List treeList
     *
     *
     * */
    public List builderTreeByBiz(final Business biz,final Integer IOflag){
        /*從指定節(jié)點(diǎn)構(gòu)造收支類(lèi)型樹(shù)結(jié)構(gòu)的List*/
        List treeList = new ArrayList();

        if (biz==null) {
            /*如果biz為空,返回空List*/
            return treeList;
        }

        /*添加biz到treeList*/
        treeList.add(biz);
        /*根先序遍歷*/
        traversal(getBusinessByDepartment(biz.getDept(),IOflag),biz.getId(),treeList);

        return treeList;

    }