<ruby id="bdb3f"></ruby>

    <p id="bdb3f"><cite id="bdb3f"></cite></p>

      <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
        <p id="bdb3f"><cite id="bdb3f"></cite></p>

          <pre id="bdb3f"></pre>
          <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

          <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
          <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

          <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                <ruby id="bdb3f"></ruby>

                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                > 當我們需要查詢的時候,我們可以通過`select`方法來進行操作,下面是查詢user表作為例子: ```php $select = Db('user')->select([ 'field' => ['username', 'email'], //設定查詢的字段 'where' => [ //定義查詢的條件 'age' => array('>',20), 'gender' => '0' ], 'limit' => '0, 10', //條數限制 'orderby' => 'username asc', //進行排序 ])->get(); //sql:SELECT `username`,`email` FROM `user` WHERE `age` > 20 and `gender`=0 ORDER BY username asc LIMIT 0,10 if($select !== false){ echo '查詢成功'; }else{ echo '查詢失敗'; } ``` 基本返回 ``` Db('操作的表名','您要操作的數據庫標識,忽略則為默認連接')->select(查詢的可選條件); ``` > 查詢失敗返回false,查詢成功返回多維數組: ``` ( [0] => Array ( [username] => John doe [email] => john@email.com ) ) ``` * * * * * >當我們不需要返回多條數據的時候,我們可以通過find方法來獲取 ```php $select = Db('user')->select([ 'field' => ['username', 'email'], //設定查詢的字段 'where' => [ //定義查詢的條件 'id' => 30 ], 'limit' => '1', //條數限制 'orderby' => 'username asc', //進行排序 ])->find(); //sql:SELECT `username`,`email` FROM `user` WHERE `id` = 30 ORDER BY username asc LIMIT 1 if($select !== false){ echo '查詢成功'; }else{ echo '查詢失敗'; } ``` 返回數據: ``` ( [username] => John doe [email] => john@email.com ) ```
                  <ruby id="bdb3f"></ruby>

                  <p id="bdb3f"><cite id="bdb3f"></cite></p>

                    <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
                      <p id="bdb3f"><cite id="bdb3f"></cite></p>

                        <pre id="bdb3f"></pre>
                        <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

                        <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
                        <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

                        <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                              <ruby id="bdb3f"></ruby>

                              哎呀哎呀视频在线观看