• 统计用户注册表邮箱类型数量



    模型层获取数据

    /** * 获取数据 */

    public function getInfos(){

      return $this->find()->asArray()->all();

    }

    public function actionCounts(){

      $model = new User; //获取所有数据

      $arr = $model->getInfos();

      //var_dump($arr);die;

      $data = array();

      foreach ($arr as $key => $val) {

        $str = substr($val['u_email'], strpos($val['u_email'], '@'));//, 20

        $str1 = substr($str, 1);

        //echo $str1;

        $data[$str1][$key] = $str1;

      }

      //获取数量

      foreach ($data as $key => $val) {

        echo $key.'的邮箱'.count($val).'个';

      }

      //var_dump($data);die;

    }

    另一种方法

    use frontendmodelsUser;

    public function actionCons(){
            $arr = User::find()->select('u_email')->column();
            $data = array();
            foreach ($arr as $key => $val) {
                $pos = strpos($val, '@');
                $str = substr($val, $pos+1);
                $data[] = $str;
            }
            $count = array_count_values($data);
            //var_dump($count);die;
            foreach ($count as $key => $val) {
                echo $key.'的邮箱'.count($val).'个<br>';
            }
        }

  • 相关阅读:
    剑指Offer47 不用加减乘除做加法
    剑指Offer46 求1+2+...+n
    剑指Offer45 约瑟夫环
    剑指Offer44 扑克牌的顺子
    剑指Offer43 n个骰子点数概率
    面试题分享
    初识python版本
    redis安装部署
    配置本地yum源
    闭包、装饰器
  • 原文地址:https://www.cnblogs.com/jhy-ocean/p/5403550.html
Copyright © 2020-2023  润新知