摘要: 原始数组: $arr = [ ['id'=>1,'name'=>'北京市','pid'=>0], ['id'=>2,'name'=>'内蒙古','pid'=>0], ['id'=>3,'name'=>'朝阳区','pid'=>4], ['id'=>4,'name'=>'北京市','pi 阅读全文
posted @ 2020-10-22 19:45 haopengfly 阅读(106) 评论(0) 推荐(0)