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223 lines
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223 lines
10 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Prepares and executes a query</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.sqlsrv-query" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">sqlsrv_query</h1>
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<p class="verinfo">(No version information available, might only be in Git)</p><p class="refpurpose"><span class="refname">sqlsrv_query</span> — <span class="dc-title">Prepares and executes a query</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.sqlsrv-query-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>sqlsrv_query</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$conn</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$sql</code></span>
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[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$params</code></span>
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[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code></span>
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]] ) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>
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<p class="para rdfs-comment">
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Prepares and executes a query.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.sqlsrv-query-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">conn</code></dt>
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<dd>
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<p class="para">
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A connection resource returned by <span class="function"><a href="sqlsrv_connect.html" class="function">sqlsrv_connect()</a></span>.
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</p>
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</dd>
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<dt>
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<code class="parameter">sql</code></dt>
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<dd>
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<p class="para">
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The string that defines the query to be prepared and executed.
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</p>
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</dd>
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<dt>
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<code class="parameter">params</code></dt>
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<dd>
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<p class="para">
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An array specifying parameter information when executing a parameterized query.
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Array elements can be any of the following:
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<ul class="simplelist">
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<li class="member">A literal value</li>
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<li class="member">A PHP variable</li>
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<li class="member">An array with this structure:
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array($value [, $direction [, $phpType [, $sqlType]]])</li>
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</ul>
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The following table describes the elements in the array structure above:
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</p>
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<table class="doctable table">
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<caption><strong>Array structure</strong></caption>
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<thead>
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<tr>
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<th>Element</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>$value</td>
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<td>A literal value, a PHP variable, or a PHP by-reference variable.</td>
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</tr>
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<tr>
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<td>$direction (optional)</td>
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<td>One of the following SQLSRV constants used to indicate the
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parameter direction: SQLSRV_PARAM_IN, SQLSRV_PARAM_OUT, SQLSRV_PARAM_INOUT.
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The default value is SQLSRV_PARAM_IN.</td>
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</tr>
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<tr>
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<td>$phpType (optional)</td>
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<td>A SQLSRV_PHPTYPE_* constant that specifies PHP data type of the
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returned value.</td>
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</tr>
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<tr>
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<td>$sqlType (optional)</td>
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<td>A SQLSRV_SQLTYPE_* constant that specifies the SQL Server data
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type of the input value.</td>
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</tr>
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</tbody>
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</table>
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</dd>
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<dt>
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<code class="parameter">options</code></dt>
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<dd>
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<p class="para">
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An array specifing query property options. The supported keys are described
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in the following table:
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</p>
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<table class="doctable table">
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<caption><strong>Query Options</strong></caption>
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<thead>
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<tr>
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<th>Key</th>
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<th>Values</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>QueryTimeout</td>
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<td>A positive integer value.</td>
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<td>Sets the query timeout in seconds. By default, the driver will
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wait indefinitely for results.</td>
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</tr>
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<tr>
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<td>SendStreamParamsAtExec</td>
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<td><strong><code>TRUE</code></strong> or <strong><code>FALSE</code></strong> (the default is <strong><code>TRUE</code></strong>)</td>
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<td>Configures the driver to send all stream data at execution (<strong><code>TRUE</code></strong>),
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or to send stream data in chunks (<strong><code>FALSE</code></strong>). By default, the value is set
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to <strong><code>TRUE</code></strong>. For more information, see <span class="function"><a href="sqlsrv_send_stream_data.html" class="function">sqlsrv_send_stream_data()</a></span>.</td>
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</tr>
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<tr>
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<td>Scrollable</td>
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<td>SQLSRV_CURSOR_FORWARD, SQLSRV_CURSOR_STATIC, SQLSRV_CURSOR_DYNAMIC,
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or SQLSRV_CURSOR_KEYSET</td>
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<td>See <a href="http://msdn.microsoft.com/en-us/library/ee376927.aspx" class="link external">» Specifying
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a Cursor Type and Selecting Rows</a> in the Microsoft SQLSRV documentation.</td>
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</tr>
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</tbody>
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</table>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.sqlsrv-query-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns a statement resource on success and <strong><code>FALSE</code></strong> if an error occurred.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.sqlsrv-query-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-2588">
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<p><strong>Example #1 <span class="function"><strong>sqlsrv_query()</strong></span> example</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$serverName </span><span style="color: #007700">= </span><span style="color: #DD0000">"serverName\sqlexpress"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$connectionInfo </span><span style="color: #007700">= array( </span><span style="color: #DD0000">"Database"</span><span style="color: #007700">=></span><span style="color: #DD0000">"dbName"</span><span style="color: #007700">, </span><span style="color: #DD0000">"UID"</span><span style="color: #007700">=></span><span style="color: #DD0000">"username"</span><span style="color: #007700">, </span><span style="color: #DD0000">"PWD"</span><span style="color: #007700">=></span><span style="color: #DD0000">"password" </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_connect</span><span style="color: #007700">( </span><span style="color: #0000BB">$serverName</span><span style="color: #007700">, </span><span style="color: #0000BB">$connectionInfo</span><span style="color: #007700">);<br />if( </span><span style="color: #0000BB">$conn </span><span style="color: #007700">=== </span><span style="color: #0000BB">false </span><span style="color: #007700">) {<br /> die( </span><span style="color: #0000BB">print_r</span><span style="color: #007700">( </span><span style="color: #0000BB">sqlsrv_errors</span><span style="color: #007700">(), </span><span style="color: #0000BB">true</span><span style="color: #007700">));<br />}<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"INSERT INTO Table_1 (id, data) VALUES (?, ?)"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$params </span><span style="color: #007700">= array(</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">"some data"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_query</span><span style="color: #007700">( </span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">, </span><span style="color: #0000BB">$params</span><span style="color: #007700">);<br />if( </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">=== </span><span style="color: #0000BB">false </span><span style="color: #007700">) {<br /> die( </span><span style="color: #0000BB">print_r</span><span style="color: #007700">( </span><span style="color: #0000BB">sqlsrv_errors</span><span style="color: #007700">(), </span><span style="color: #0000BB">true</span><span style="color: #007700">));<br />}<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.sqlsrv-query-notes">
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<h3 class="title">注释</h3>
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<p class="para">
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For statements that you plan to execute only once, use <span class="function"><strong>sqlsrv_query()</strong></span>.
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If you intend to re-execute a statement with different parameter values, use
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the combination of <span class="function"><a href="sqlsrv_prepare.html" class="function">sqlsrv_prepare()</a></span> and <span class="function"><a href="sqlsrv_execute.html" class="function">sqlsrv_execute()</a></span>.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.sqlsrv-query-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="sqlsrv_prepare.html" class="function" rel="rdfs-seeAlso">sqlsrv_prepare()</a> - Prepares a query for execution</span></li>
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<li class="member"><span class="function"><a href="sqlsrv_execute.html" class="function" rel="rdfs-seeAlso">sqlsrv_execute()</a> - Executes a statement prepared with sqlsrv_prepare</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |