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67 lines
4.0 KiB
HTML
67 lines
4.0 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>转义一个字符串用于 mysql_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.mysql-escape-string" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">mysql_escape_string</h1>
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<p class="verinfo">(PHP 4 >= 4.0.3, PHP 5)</p><p class="refpurpose"><span class="refname">mysql_escape_string</span> — <span class="dc-title">
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转义一个字符串用于 mysql_query
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</span></p>
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</div>
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<div class="refsect1 unknown-unknown-unknown-seealsr" id="refsect1-function.mysql-escape-string-unknown-unknown-unknown-seealsr">
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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_escape_string</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$unescaped_string</code></span>
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) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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本函数将 <code class="parameter">unescaped_string</code> 转义，使之可以安全用于
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<span class="function"><a href="mysql_query.html" class="function">mysql_query()</a></span>。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<span class="simpara">
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<span class="function"><strong>mysql_escape_string()</strong></span> 并不转义
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<em>%</em> 和 <em>_</em>。
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</span>
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<span class="simpara">
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本函数和
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<span class="function"><a href="mysql_real_escape_string.html" class="function">mysql_real_escape_string()</a></span> 完全一样，除了
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<span class="function"><a href="mysql_real_escape_string.html" class="function">mysql_real_escape_string()</a></span>
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接受的是一个连接句柄并根据当前字符集转移字符串之外。<span class="function"><strong>mysql_escape_string()</strong></span>
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并不接受连接参数，也不管当前字符集设定。
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</span>
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</p></blockquote>
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<p class="para">
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<div class="example" id="example-2129">
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<p><strong>Example #1 <span class="function"><strong>mysql_escape_string()</strong></span> 例子</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 /> $item </span><span style="color: #007700">= </span><span style="color: #DD0000">"Zak's Laptop"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$escaped_item </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_escape_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">printf </span><span style="color: #007700">(</span><span style="color: #DD0000">"Escaped string: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$escaped_item</span><span style="color: #007700">);<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 class="example-contents"><p>
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以上例子将产生如下输出：
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</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Escaped string: Zak\'s Laptop
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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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<p class="para">
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参见
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<span class="function"><a href="mysql_real_escape_string.html" class="function">mysql_real_escape_string()</a></span>，<span class="function"><a href="addslashes.html" class="function">addslashes()</a></span>
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和 <a href="info.configuration.html#ini.magic-quotes-gpc" class="link">magic_quotes_gpc</a> 指令。
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</p>
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</div>
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</div></div></div></body></html> |