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108 lines
5.3 KiB
HTML
108 lines
5.3 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>返回字符集的名称</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-client-encoding" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">mysql_client_encoding</h1>
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<p class="verinfo">(PHP 4 >= 4.3.0, PHP 5)</p><p class="refpurpose"><span class="refname">mysql_client_encoding</span> — <span class="dc-title">返回字符集的名称</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.mysql-client-encoding-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_client_encoding</strong></span>
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([ <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</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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从 MySQL 中取得 <em>character_set</em> 变量的值。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.mysql-client-encoding-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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link_identifier</code></dt>
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<dd>
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<p class="para">MySQL
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连接。如不指定连接标识，则使用由 <span class="function"><a href="mysql_connect.html" class="function">mysql_connect()</a></span>
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最近打开的连接。如果没有找到该连接，会尝试不带参数调用
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<span class="function"><a href="mysql_connect.html" class="function">mysql_connect()</a></span>
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来创建。如没有找到连接或无法建立连接，则会生成
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<strong><code>E_WARNING</code></strong> 级别的错误。</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-client-encoding-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回当前连接的默认字符集名称。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.mysql-client-encoding-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-2118">
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<p><strong>Example #1 <span class="function"><strong>mysql_client_encoding()</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 />$link </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">, </span><span style="color: #DD0000">'mysql_user'</span><span style="color: #007700">, </span><span style="color: #DD0000">'mysql_password'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$charset </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_client_encoding</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"The current character set is: </span><span style="color: #0000BB">$charset</span><span style="color: #DD0000">\n"</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>以上例程的输出类似于：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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The current character set is: latin1
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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-client-encoding-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">本扩展自 PHP 5.5.0
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起已废弃，并在自 PHP 7.0.0 开始被移除。应使用 <a href="book.mysqli.html" class="link">MySQLi</a>
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或 <a href="ref.pdo_mysql.html" class="link">PDO_MySQL</a> 扩展来替换之。参见
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<a href="mysqlinfo.api.choosing.html" class="link">MySQL：选择 API</a> 指南以及<a href="faq.databases.html#faq.databases.mysql.deprecated" class="link">相关 FAQ</a> 来获取更多信息。用以替代本函数的有：</p>
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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="mysqli.character_set_name.html" class="function">mysqli_character_set_name()</a></span></li>
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<li class="member"><span class="methodname"><a href="pdo.setattribute.html" class="methodname">PDO::setAttribute()</a></span> (e.g., <em>$db->setAttribute(PDO::MYSQL_ATTR_INIT_COMMAND, "SET NAMES 'utf8'");</em>)</li>
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</ul>
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.mysql-client-encoding-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_real_escape_string.html" class="function" rel="rdfs-seeAlso">mysql_real_escape_string()</a> - 转义 SQL 语句中使用的字符串中的特殊字符，并考虑到连接的当前字符集</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> |