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110 lines
7.1 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>从结果集中取得一行作为枚举数组</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.mysql-fetch-row" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">mysql_fetch_row</h1>
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<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">mysql_fetch_row</span> — <span class="dc-title">从结果集中取得一行作为枚举数组</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.mysql-fetch-row-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>mysql_fetch_row</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
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) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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返回根据所取得的行生成的数组，如果没有更多行则返回 <strong><code>FALSE</code></strong>。
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</p>
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<p class="para">
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<span class="function"><strong>mysql_fetch_row()</strong></span>
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从和指定的结果标识关联的结果集中取得一行数据并作为数组返回。每个结果的列储存在一个数组的单元中，偏移量从 0 开始。
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</p>
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<p class="para">
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依次调用 <span class="function"><strong>mysql_fetch_row()</strong></span>
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将返回结果集中的下一行，如果没有更多行则返回 <strong><code>FALSE</code></strong>。
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</p>
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<p class="para">
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参见 <span class="function"><a href="mysql_fetch_array.html" class="function">mysql_fetch_array()</a></span>，<span class="function"><a href="mysql_fetch_assoc.html" class="function">mysql_fetch_assoc()</a></span>，<span class="function"><a href="mysql_fetch_object.html" class="function">mysql_fetch_object()</a></span>，<span class="function"><a href="mysql_data_seek.html" class="function">mysql_data_seek()</a></span>，<span class="function"><a href="mysql_fetch_lengths.html" class="function">mysql_fetch_lengths()</a></span> 和
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<span class="function"><a href="mysql_result.html" class="function">mysql_result()</a></span>。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.mysql-fetch-row-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">
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result</code></dt>
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<dd>
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<p class="para"><span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>
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型的结果集。此结果集来自对 <span class="function"><a href="mysql_query.html" class="function">mysql_query()</a></span>
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的调用。</p></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.mysql-fetch-row-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns an numerical array of strings that corresponds to the fetched row, or
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<strong><code>FALSE</code></strong> if there are no more rows.
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</p>
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<p class="para">
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<span class="function"><strong>mysql_fetch_row()</strong></span> fetches one row of data from
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the result associated with the specified result identifier. The
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row is returned as an array. Each result column is stored in an
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array offset, starting at offset 0.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.mysql-fetch-row-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-2144">
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<p><strong>Example #1 Fetching one row with <span class="function"><strong>mysql_fetch_row()</strong></span></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 />$result </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_query</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT id,email FROM people WHERE id = '42'"</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$result</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">'Could not run query: ' </span><span style="color: #007700">. </span><span style="color: #0000BB">mysql_error</span><span style="color: #007700">();<br /> exit;<br />}<br /></span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_fetch_row</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">]; </span><span style="color: #FF8000">// 42<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]; </span><span style="color: #FF8000">// the email value<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.mysql-fetch-row-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数将 NULL 字段设置为 PHP <strong><code>NULL</code></strong> 值。</span></p></blockquote>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.mysql-fetch-row-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="mysql_fetch_array.html" class="function" rel="rdfs-seeAlso">mysql_fetch_array()</a> - 从结果集中取得一行作为关联数组，或数字数组，或二者兼有</span></li>
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<li class="member"><span class="function"><a href="mysql_fetch_assoc.html" class="function" rel="rdfs-seeAlso">mysql_fetch_assoc()</a> - 从结果集中取得一行作为关联数组</span></li>
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<li class="member"><span class="function"><a href="mysql_fetch_object.html" class="function" rel="rdfs-seeAlso">mysql_fetch_object()</a> - 从结果集中取得一行作为对象</span></li>
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<li class="member"><span class="function"><a href="mysql_data_seek.html" class="function" rel="rdfs-seeAlso">mysql_data_seek()</a> - 移动内部结果的指针</span></li>
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<li class="member"><span class="function"><a href="mysql_fetch_lengths.html" class="function" rel="rdfs-seeAlso">mysql_fetch_lengths()</a> - 取得结果集中每个输出的长度</span></li>
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<li class="member"><span class="function"><a href="mysql_result.html" class="function" rel="rdfs-seeAlso">mysql_result()</a> - 取得结果数据</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> |