递归

最新推荐文章于 2023-12-09 18:31:54 发布

原创最新推荐文章于 2023-12-09 18:31:54 发布 · 161 阅读

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该博客介绍了使用Java进行递归查询，可实现查询公司下所有部门及子部门的功能，并提供了相关文章链接。

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java递归查询公司下所有部门及子部门
http://www.voidcn.com/article/p-vswigehm-brq.html

public List<String> selectDepts(Map<String, Object> map, TomAdmin tomAdmin) {
    List<TomDeptDto> deptVosList =selectDeptsByTopCode(map,tomAdmin);
    List<String> deptCodes = new ArrayList<>();
    List<String> resultList =  convertData(deptCodes,deptVosList);
    resultList.add((String)map.get("deptCode"));
    return resultList;
}

public List<TomDeptDto> selectDeptsByTopCode(Map<String, Object> map, TomAdmin tomAdmin) {
    List<TomDeptDto> deptList=new ArrayList<TomDeptDto>();  
    map.put("userType", tomAdmin.getCapacityLineId());
    List<TomDeptDto> depts=tomDingDeptMapper.findAllDepts(map);  
    if(!CollectionUtils.isEmpty(depts)){  
        for(TomDeptDto dept:depts){  
            TomDeptDto model=new TomDeptDto();  
            model.setDeptCode(dept.getDeptCode());  
            model.setDeptName(dept.getDeptName());  
            Map<String, Object> paramMap=new HashMap<String, Object>();  
            paramMap.put("deptCode", dept.getDeptCode());  
            model.setSubDeptList(selectDeptsByTopCode(paramMap,tomAdmin));  
            deptList.add(model);  
        }  
    }  
    return deptList;
}

private List<String> convertData(List<String> deptCodes,List<TomDeptDto> deptDtoList){
   for(TomDeptDto model:deptDtoList) {
       deptCodes.add(model.getDeptCode());
       if(model.getSubDeptList()!=null&&model.getSubDeptList().size()>0) {
           convertData(deptCodes,model.getSubDeptList());
       }
   }
   return deptCodes;
}