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91 lines
7.4 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>Returns the number of rows modified by the last INSERT, UPDATE, or
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DELETE query executed</title>
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</head>
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<body class="docs"></div>
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<div id="layout">
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<div id="layout-content"><div id="function.sqlsrv-rows-affected" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">sqlsrv_rows_affected</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_rows_affected</span> — <span class="dc-title">Returns the number of rows modified by the last INSERT, UPDATE, or
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DELETE query executed</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.sqlsrv-rows-affected-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_rows_affected</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$stmt</code></span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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Returns the number of rows modified by the last INSERT, UPDATE, or DELETE
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query executed. For information about the number of rows returned by a SELECT
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query, see <span class="function"><a href="sqlsrv_num_rows.html" class="function">sqlsrv_num_rows()</a></span>.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.sqlsrv-rows-affected-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">stmt</code></dt>
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<dd>
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<p class="para">
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The executed statement resource for which the number of affected rows is returned.
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</p>
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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-rows-affected-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the number of rows affected by the last INSERT, UPDATE, or DELETE query.
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If no rows were affected, 0 is returned. If the number of affected rows cannot
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be determined, -1 is returned. If an error occurred, <strong><code>FALSE</code></strong> is returned.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.sqlsrv-rows-affected-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-2590">
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<p><strong>Example #1 <span class="function"><strong>sqlsrv_rows_affected()</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">"UPDATE Table_1 SET data = ? WHERE id = ?"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$params </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"updated data"</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$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">$params</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$rows_affected </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlsrv_rows_affected</span><span style="color: #007700">( </span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br />if( </span><span style="color: #0000BB">$rows_affected </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 />} elseif( </span><span style="color: #0000BB">$rows_affected </span><span style="color: #007700">== -</span><span style="color: #0000BB">1</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"No information available.<br />"</span><span style="color: #007700">;<br />} else {<br /> echo </span><span style="color: #0000BB">$rows_affected</span><span style="color: #007700">.</span><span style="color: #DD0000">" rows were updated.<br />"</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 seealso" id="refsect1-function.sqlsrv-rows-affected-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_num_rows.html" class="function" rel="rdfs-seeAlso">sqlsrv_num_rows()</a> - Retrieves the number of rows in a result set</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> |