2018-11-13
生成一棵树
如何删除父子节点
@Override @Transactional(rollbackFor = Exception.class) public boolean deleteAllById(String depid) { try{ // 得到对象 FgdjDepartment fgdjDepartment = this.selectById(depid); // 判断是否父节点 if("1".equals(fgdjDepartment.getNotetype())){ // 父节点,查询出所有的子进行删除 Mapmap = new HashMap<>(); map.put("pcode",fgdjDepartment.getCode()); // 调用方法,查询出所有的子节点 List list = this.listByPcode(map); // 循环删除节点 for(FgdjDepartment fgdjDepartment1 : list){ this.deleteAllById(fgdjDepartment1.getDepid()); } // 再把自己删除了 this.deleteById(depid); }else { // 非父节点 this.deleteById(depid); } }catch (Exception e){ e.printStackTrace(); return false; } return true; }