先说结论,字符串+null = "null" 笑死
待补充
for (TargetValueIndexDataVo dto: mainDataList
) {
//组织架构 代码
dto.setDescByCode(dosTableColumnForMap.get((dto.getOsCode()+dto.getDeptCode()).trim()));
}
标签:trim,dto,get,引发,mainDataList,字符串,null
来源: https://www.cnblogs.com/Timeouting-Study/p/16523837.html