Yii2 クエリ where 条件アセンブリの詳細な説明-PHPチュートリアル-php.cn

<p>Yii2のクエリ条件に慣れたら、Activeを使用してください Record はデータのクエリに非常に便利です。以下に、where()メソッドでの条件の組み立て方法を紹介します。 </p> <h2 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">1 構文</h2> <p style="white-space:pre-wrap;">Yii2 は <code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb を使用します(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-built_in">where</span>()<code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-built_in">where</span>()</code>方法（当然还有其他方法）来实现条件筛选，语法：</code></p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">public $this where ( $condition, $params = [] )</pre><div class="contentsignin">ログイン後にコピー</div></div><p style="white-space:pre-wrap;"><code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-variable" style="color:rgb(223,80,0);">$params</span></code>为可选参数，指定要绑定查询的值。</p><p style="white-space:pre-wrap;"><code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-variable" style="color:rgb(223,80,0);">$condition</span></code>为必选参数，<code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-variable" style="color:rgb(223,80,0);">$condition</span></code>可以是字符串（如<code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-string" style="color:rgb(223,80,0);">'id=1'</span></code>）或者数组。</p><p style="white-space:pre-wrap;"><code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-variable" style="color:rgb(223,80,0);">$condition</span></code>メソッド (のもちろん他の方法もあります) 条件付きフィルタリングを実装するための構文: </p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">column1=value1 AND column2=value2 AND ...</pre><div class="contentsignin">ログイン後にコピー</div></div><ul style="margin-top:0px;list-style-position:inside;" class=" list-paddingleft-2"><code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;パディング :.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-variable" style="color : rgb(223,80,0);">$params</span><li> はオプションのパラメータで、クエリにバインドされる値を指定します。 <p><code class="hljs json" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;white-space:pre-wrap;"><code class="hljs bash" style="font-family:Consolas、'Liberation Mono'、Menlo、Courier、monospace;font-size:12px;padding:.3em;color:rgb(51,51,51 );background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-variable" style="color:rgb(223,80,0);">$condition </span></code> は必須パラメータです。<code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color :rgb(51,51,51);背景色:rgb(247,247,247);表示:インライン;行の高さ:1.65;"><span class="hljs-variable" style="color:rgb(223,80) ,0);">$condition</span></p> は文字列 (<code class="hljs bash" style="font-family:Consolas、'Liberation Mono'、Menlo、Courier、monospace;font- など) にすることができます。サイズ:12px;パディング:.3em;色:rgb(51,51,51);背景色:rgb(247,247,247);表示:インライン;行の高さ:1.65;"><span class="hljs-string" style ="color:rgb(223,80,0);">'id=1'</span></li>) または配列。 <li><p><code class="hljs bash" style="font-family:Consolas、'Liberation Mono'、Menlo、Courier、monospace;font-size:12px;padding:.3em;color:rgb(51,51,51 );background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-variable" style="color:rgb(223,80,0);">$condition </span> <code class="hljs json" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;white-space:pre-wrap;"> が配列の場合、次の 2 つの形式があります: </code></p></li></ul>ハッシュ形式: <h2 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">['column1' => 値 1, '列 2' => 値 2, ...]</h2><p style="white-space:pre-wrap;"></p><p style="white-space:pre-wrap;"> 演算子の形式: <code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">IN</code>语句。</p><p style="white-space:pre-wrap;">如果某个值为<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-literal" style="color:rgb(0,134,179);">null</span></code>，会用<code class="hljs cpp" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">IS<span class="hljs-literal" style="color:rgb(0,134,179);">NULL</span></code>[演算子, operand1, operand2, ...]</p><p style="white-space:pre-wrap;"></p><h2 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);"></h2>2 ハッシュ形式<p style="white-space:pre-wrap;"></p>通常、ハッシュ形式のクエリ条件は次のような SQL ステートメントを生成します:🎜<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['type' => 1, 'status' => 2] // 生成：(type = 1) AND (status = 2)['id' => [1, 2, 3], 'status' => 2] // 生成：(id IN (1, 2, 3)) AND (status = 2)['status' => null] // 生成：status IS NULL</pre><div class="contentsignin">ログイン後にコピー</div></div>🎜 値が配列の場合、<code class= が生成されます"hljs" style="font-family:Consolas、'Liberation Mono'、Menlo、Courier、monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb (247,247,247);display:inline;line-height:1.65;">IN🎜 ステートメント。 🎜🎜値が <code class="hljs Coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb( 51 ,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-literal" style="color:rgb(0,134,179);">null < /span>🎜、<code class="hljs cpp" style="font-family:Consolas、'Liberation Mono'、Menlo、Courier、monospace;font-size:12px;padding:.3em;color:rgb ( 51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">IS<span class="hljs-literal" style="color:rgb(0,134,179);" > NULL🎜 ステートメントを生成します。 🎜🎜例: 🎜<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">[&#39;>&#39;, &#39;id&#39;, 1] // 生成：id > 1[&#39;<&#39;, &#39;id&#39;, 100] // 生成：id < 100[&#39;=&#39;, &#39;id&#39;, 10] // 生成：id = 10[&#39;>=&#39;, &#39;id&#39;, 1] // 生成：id >= 1[&#39;<=&#39;, &#39;id&#39;, 100] // 生成：id != 10</pre><div class="contentsignin">ログイン後にコピー</div></div><div class="contentsignin">ログイン後にコピー</div></div>🎜3 演算子形式🎜🎜 演算子形式では、Yii は指定された演算子に基づいて SQL ステートメントを生成します。 🎜<p style="white-space:pre-wrap;">运算符有：<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">and</span></code>、<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">or</span></code>、<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">not</span></code>、<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">between</code>、<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">ではありません</span> between</code>、<code class="hljs bash" style="font-family:Consolas、'Liberation Mono'、Menlo、Courier、monospace;font-size:12px;padding:.3em;color:rgb(51,51, 51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><code class="hljs bash" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">in</span></code>、<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">not</span><span class="hljs-keyword" style="color:rgb(167,29,93);">in</span></code>、<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">like</code>in<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">、</span></code>not<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">in</span></code>、<code class="hljs" style="font-ファミリ:Consolas、'Liberation Mono'、Menlo、Courier、等幅;フォントサイズ:12px;パディング:.3em;カラー:rgb(51,51,51);背景色:rgb(247,247,247);表示:インライン; line-height:1.65;">いいね<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">or</span><span class="hljs-keyword" style="color:rgb(167,29,93);">not</span> like</code>、<code class="hljs perl" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">exists</span></code>、<code class="hljs perl" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">or</span> いいね<span class="hljs-keyword" style="color:rgb(167,29,93);">、</span>🎜違う🎜 🎜、🎜🎜または🎜🎜ない🎜好き🎜、🎜🎜存在する🎜🎜、🎜🎜ない🎜🎜存在する🎜</code>、<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">></code>、<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><</code>、<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">=</code>、<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">>=</code>、<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><=</code>、<code class="hljs diff" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-addition" style="color:rgb(85,165,50);background-color:rgb(234,255,234);">!=</span></code>等。</p><h3 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">3.1 对比</h3><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['>', 'id', 1] // 生成：id > 1['<', 'id', 100] // 生成：id < 100['=', 'id', 10] // 生成：id = 10['>=', 'id', 1] // 生成：id >= 1['<=', 'id', 100] // 生成：id != 10</pre><div class="contentsignin">ログイン後にコピー</div></div><div class="contentsignin">ログイン後にコピー</div></div><p style="white-space:pre-wrap;">具体生成的SQL语句，运算符<code class="hljs objectivec" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">id</span></code>会自动加上反斜杠引号<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">`</code>，运算数会自动转义。</p><h3 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">3.2 and</h3><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['and', 'id' => 1, 'id' => 2] // 生成：id=1 AND id=2['and', 'id=1', 'id=2'] // 生成：id=1 AND id=2['and', 'type=1', ['or', 'id=1', 'id=2']] // 生成：type=1 AND (id=1 OR id=2)</pre><div class="contentsignin">ログイン後にコピー</div></div><p style="white-space:pre-wrap;">在第2条和第3条语句中，列名称和搜索值未用键值关系指定，所以生成的SQL不会添加引号，也不会转义。</p><h3 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">3.3 or</h3><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['or', ['type' => [7, 8, 9]], ['id' => [1, 2, 3]]] // 生成：(type IN (7, 8, 9) OR (id IN (1, 2, 3)))</pre><div class="contentsignin">ログイン後にコピー</div></div><h3 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">3.4 not</h3><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['not', ['attribute' => null]] // 生成：NOT (attribute IS NULL)</pre><div class="contentsignin">ログイン後にコピー</div></div><h3 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">3.5 between和not between</h3><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['between', 'id', 1, 10] // 生成：id BETWEEN 1 AND 10['not between', 'id', 1, 10] // 生成：id NOT BETWEEN 1 AND 10</pre><div class="contentsignin">ログイン後にコピー</div></div><p style="white-space:pre-wrap;">运算符后面的运算数1为数据表<span style="font-weight:bolder;">列名称</span>，运算数2和运算数3分别为列值范围的<span style="font-weight:bolder;">最小值</span>和<span style="font-weight:bolder;">最大值</span>。</p><h3 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">3.6 in和not in</h3><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['in', 'id', [1, 2, 3]] // 生成：id IN (1, 2, 3)['not in', 'id', [1, 2, 3]] // 生成：id NOT IN (1, 2, 3)</pre><div class="contentsignin">ログイン後にコピー</div></div><p style="white-space:pre-wrap;">运算符后面的<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">运算数1</code>为列名称或DB表达式，<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">运算数2</code>为数组，指定列值所在的范围。</p><p style="white-space:pre-wrap;">这个方法会为值添加引号，并正确转义。</p><p style="white-space:pre-wrap;">要生成混合<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">IN</code>条件，列名和列值都设置为数组，并且用列名为列值指定下标：</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="hljs php" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['in', ['id', 'name'], [['id' => 1, 'name' => 'foo'], ['id' => 2, 'name' => 'bar']]] // 生成：(`id`, `name`) IN ((1, 'foo'), (2, 'bar'))</pre><div class="contentsignin">ログイン後にコピー</div></div><p style="white-space:pre-wrap;">另外，还可以用子查询作为<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">IN</code>条件的值，如下：</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['in', 'user_id', (new Query())->select('id')->from('users')->where(['active' => 1])]</pre><div class="contentsignin">ログイン後にコピー</div></div><h3 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">3.7 like</h3><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['like', 'name', 'tester'] // 生成：name LIKE '%tester%'['like', 'name', ['test', 'sample']] // 生成：name LIKE '%test%' AND name LIKE '%sample%'['like', 'name', '%tester', false] // 生成：name LIKE '%tester' // 这是自定义查询方式，要传入值为false的运算数3，并且自行添加%</pre><div class="contentsignin">ログイン後にコピー</div></div><p style="white-space:pre-wrap;"><span style="color:rgb(119,119,119);font-family:'courier new';"><span style="background-color:rgb(238,238,238);">运算数</span></span>后面的运算数1为列名称或DB表达式，运算数2为字符串或数组，指定列值查询条件。</p><p style="white-space:pre-wrap;">这个方法会为值添加引号，并正确转义。</p><p style="white-space:pre-wrap;"><code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">or</span> like</code>、<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">not</span> like</code>、<code class="hljs coffeescript" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">or</span><span class="hljs-keyword" style="color:rgb(167,29,93);">not</span> like</code>用法和<code class="hljs" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;">like</code>一样。</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['or like', 'name', ['test', 'sample']] // 生成：name LIKE '%test%' OR name LIKE '%sample%'['not like', 'name', 'tester'] // 生成：name NOT LIKE '%tester%'['or not like', 'name', ['test', 'sample']] // 生成：name NOT LIKE '%test%' OR name NOT LIKE '%sample%'</pre><div class="contentsignin">ログイン後にコピー</div></div><h3 style="font-family:'Microsoft YaHei UI Light', SimHei, SimSun, sans-serif;line-height:1.1;color:rgb(66,139,209);">3.8 exists</h3><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false;" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;overflow:auto;color:rgb(51,51,51);background-color:rgb(247,247,247);padding:1em;line-height:1.65;">['exists', (new Query())->select('id')->from('users')->where(['active' => 1])] // 生成：EXISTS (SELECT "id" FROM "users" WHERE "active"=1)</pre><div class="contentsignin">ログイン後にコピー</div></div><p style="white-space:pre-wrap;"><code class="hljs perl" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">not</span><span class="hljs-keyword" style="color:rgb(167,29,93);">exists</span></code>用法和<code class="hljs perl" style="font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace;font-size:12px;padding:.3em;color:rgb(51,51,51);background-color:rgb(247,247,247);display:inline;line-height:1.65;"><span class="hljs-keyword" style="color:rgb(167,29,93);">exists</span></code>一样。</p> <p style="white-space: pre-wrap;"> 相关推荐：</p> <p style="white-space: pre-wrap;"><a href="http://www.php.cn/php-weizijiaocheng-330818.html" target="_self">Yii20中文开发向导——Where条件查询全解析</a></p>

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