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34 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>建定一个到 Oracle 服务器的新连接</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.oci-new-connect" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">oci_new_connect</h1>
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<p class="verinfo">(PHP 5, PHP 7, PECL OCI8 >= 1.1.0)</p><p class="refpurpose"><span class="refname">oci_new_connect</span> — <span class="dc-title">建定一个到 Oracle 服务器的新连接</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.oci-new-connect-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>oci_new_connect</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$username</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$password</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$db</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$charset</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$session_mode</code></span>
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]]] ) : <span class="type">resource</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>oci_new_connect()</strong></span> 创建一个到 Oracle
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服务器的新连接并登录。与 <span class="function"><a href="oci_connect.html" class="function">oci_connect()</a></span>
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和 <span class="function"><a href="oci_pconnect.html" class="function">oci_pconnect()</a></span> 不同，<span class="function"><strong>oci_new_connect()</strong></span>
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不会缓冲连接，总是会返回一个全新的刚打开的连接句柄。这在应用程序需要在两组查询之间实现事务隔离很有用。
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</p>
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<p class="para">
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可选的第三个参数可以是本地 Oracle 实例的名字或者是在
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<var class="filename">tnsnames.ora</var>
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的条目中的名字。如果没有指定第三个参数， PHP 使用环境变量
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<em>ORACLE_SID</em> 和 <em>TWO_TASK</em>
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来分别确定本地 Oracle 实例的名字和
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<var class="filename">tnsnames.ora</var> 的位置。
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</p>
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<p class="para">
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<code class="parameter">session_mode</code> 参数自版本 1.1
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起可用并接受如下值：<strong><code>OCI_DEFAULT</code></strong>，<strong><code>OCI_SYSOPER</code></strong>
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和 <strong><code>OCI_SYSDBA</code></strong>。如果指定了
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<strong><code>OCI_SYSOPER</code></strong> 或 <strong><code>OCI_SYSDBA</code></strong>
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其中之一，<span class="function"><strong>oci_new_connect()</strong></span>
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将尝试使用外部认证信息建立特权连接。特权连接默认被禁止。要启用，需要将
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<a href="oci8.configuration.html#ini.oci8.privileged-connect" class="link">oci8.privileged_connect</a>
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设为 On。
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</p>
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<p class="para">
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使用 Oracle
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客户端库来确定字符集。字符集不需要与数据库的字符集相匹配。如果不匹配，Oracle
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会尽可能地将数据从数据库字符集进行转换。因为依赖于字符集，可能不能给出可用的结果。转换也增加一些时间开销。
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</p>
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<p class="para">
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如果不指定，Oracle 客户端用 <strong><code>NLS_LANG</code></strong> 环境变量来决定字符集。
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</p>
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<p class="para">
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传递此参数可减少连接时间。
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</p>
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<p class="para">
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下面例子演示了怎样隔离连接。
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<div class="example" id="example-2443">
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<p><strong>Example #1 <span class="function"><strong>oci_new_connect()</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 /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"<html><pre>"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$db </span><span style="color: #007700">= </span><span style="color: #DD0000">""</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$c1 </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"scott"</span><span style="color: #007700">, </span><span style="color: #DD0000">"tiger"</span><span style="color: #007700">, </span><span style="color: #0000BB">$db</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$c2 </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_new_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"scott"</span><span style="color: #007700">, </span><span style="color: #DD0000">"tiger"</span><span style="color: #007700">, </span><span style="color: #0000BB">$db</span><span style="color: #007700">);<br /><br />function </span><span style="color: #0000BB">create_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"create table scott.hallo (test<br />varchar2(64))"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" created table\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">drop_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"drop table scott.hallo"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" dropped table\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">insert_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"insert into scott.hallo<br /> values('</span><span style="color: #0000BB">$conn</span><span style="color: #DD0000">' || ' ' || to_char(sysdate,'DD-MON-YY HH24:MI:SS'))"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_DEFAULT</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" inserted hallo\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">delete_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"delete from scott.hallo"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_DEFAULT</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" deleted hallo\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">oci_commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" committed\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">oci_rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" rollback\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"select * from scott.hallo"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_DEFAULT</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">"----selecting\n\n"</span><span style="color: #007700">;<br /> while (</span><span style="color: #0000BB">oci_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" <" </span><span style="color: #007700">. </span><span style="color: #0000BB">oci_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #DD0000">"TEST"</span><span style="color: #007700">) . </span><span style="color: #DD0000">">\n\n"</span><span style="color: #007700">;<br /> }<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">"----done\n\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">create_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">insert_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">insert_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">delete_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">drop_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"</pre></html>"</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>
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</p>
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<p class="para">
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<span class="function"><strong>oci_new_connect()</strong></span> 在出错时返回 <strong><code>FALSE</code></strong>。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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在 PHP 5.0.0 之前的版本必须使用 <span class="function"><a href="ocinlogon.html" class="function">ocinlogon()</a></span>
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替代本函数。该函数名仍然可用，为向下兼容作为
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<span class="function"><strong>oci_new_connect()</strong></span> 的别名。不过其已被废弃，不推荐使用。
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</p>
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</p></blockquote>
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<p class="simpara">
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参见 <span class="function"><a href="oci_connect.html" class="function">oci_connect()</a></span> 和
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<span class="function"><a href="oci_pconnect.html" class="function">oci_pconnect()</a></span>。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.oci-new-connect-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">username</code></dt>
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<dd>
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<p class="para">
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The Oracle user name.
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</p>
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</dd>
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<dt>
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<code class="parameter">password</code></dt>
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<dd>
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<p class="para">
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The password for <code class="parameter">username</code>.
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</p>
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</dd>
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<dt>
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<code class="parameter">connection_string</code></dt>
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<dd>
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<p class="para">
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包含要连接的
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<em>Oracle 实例</em>。可以是 <a href="https://docs.oracle.com/database/121/NETAG/naming.htm" class="link external">» Easy Connect 串</a>，或是
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<var class="filename">tnsnames.ora</var> 文件中的连接名，或是本地 Oracle 实例名。
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</p>
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<p class="para">
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如果不指定，PHP 使用环境变量来确定连接的 <em>Oracle 实例</em>，诸如
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<strong><code>TWO_TASK</code></strong>（Linux 下）或 <strong><code>LOCAL</code></strong>（Windows 下）与 <strong><code>ORACLE_SID</code></strong> 等。
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</p>
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<p class="para">
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要使用 Easy Connect 命名方法，PHP 必须与 Oracle 10g 或更高版本的客户端库进行链接。Oracle 10g 的 Easy Connect
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串格式：<em class="emphasis">[//]host_name[:port][/service_name]</em>。Oracle
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11g 则为：<em class="emphasis">[//]host_name[:port][/service_name][:server_type][/instance_name]</em>。服务名可在数据库服务器机器上运行
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Oracle 实用程序 <em>lsnrctl status</em> 找到。
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</p>
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<p class="para">
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<var class="filename">tnsnames.ora</var> 文件可在 Oracle Net 查找路径中，此路径包括 <var class="filename">$ORACLE_HOME/network/admin</var>
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和 <var class="filename">/etc</var>。 另一种方法是设置 <em>TNS_ADMIN</em> 以便通过 <var class="filename">$TNS_ADMIN/tnsnames.ora</var>
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来读取。表确认 web 守护进程可读取此文件。
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</p>
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</dd>
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<dt>
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<code class="parameter">character_set</code></dt>
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<dd>
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<p class="para">
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使用 Oracle
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客户端库来确定字符集。字符集不需要与数据库的字符集相匹配。如果不匹配，Oracle
|
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会尽可能地将数据从数据库字符集进行转换。因为依赖于字符集，可能不能给出可用的结果。转换也增加一些时间开销。
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</p>
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<p class="para">
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如果不指定，Oracle 客户端用 <strong><code>NLS_LANG</code></strong> 环境变量来决定字符集。
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</p>
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<p class="para">
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传递此参数可减少连接时间。
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</p>
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</dd>
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<dt>
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<code class="parameter">session_mode</code></dt>
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<dd>
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<p class="para">
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此参数在 PHP 5（PECL OCI8
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1.1）版本开始可用，并收受下列值：<strong><code>OCI_DEFAULT</code></strong>，<strong><code>OCI_SYSOPER</code></strong>
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和 <strong><code>OCI_SYSDBA</code></strong>。如为
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<strong><code>OCI_SYSOPER</code></strong> 或 <strong><code>OCI_SYSDBA</code></strong>
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其中之一，此函数将会使用外部的证书建立有特权的连接。有特权的连接默认是禁用的。需要将
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||
<a href="oci8.configuration.html#ini.oci8.privileged-connect" class="link">oci8.privileged_connect</a>
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设为 <em>On</em> 来启用。
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</p>
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<p class="para">
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PHP 5.3（PECL OCI8 1.3.4）引进了
|
||
<strong><code>OCI_CRED_EXT</code></strong> 模式值。使用外部或操作系统认证必需在 Oracle
|
||
数据库中进行配置。<strong><code>OCI_CRED_EXT</code></strong>
|
||
标志只可用于用户为 "/"，密码为空的情况。<a href="oci8.configuration.html#ini.oci8.privileged-connect" class="link">oci8.privileged_connect</a>
|
||
可为 <em>On</em> 或 <em>Off</em>。
|
||
</p>
|
||
<p class="para">
|
||
<strong><code>OCI_CRED_EXT</code></strong> 可与
|
||
<strong><code>OCI_SYSOPER</code></strong> 或
|
||
<strong><code>OCI_SYSDBA</code></strong> 模式组合使用。
|
||
</p>
|
||
<p class="para">
|
||
<strong><code>OCI_CRED_EXT</code></strong> 由于安全的原因不支持 Windows 系统。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
</dl>
|
||
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 returnvalues" id="refsect1-function.oci-new-connect-returnvalues">
|
||
<h3 class="title">返回值</h3>
|
||
<p class="para">
|
||
Returns a connection identifier or <strong><code>FALSE</code></strong> on error.
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 examples" id="refsect1-function.oci-new-connect-examples">
|
||
<h3 class="title">范例</h3>
|
||
<p class="para">
|
||
The following demonstrates how you can separate connections.
|
||
<div class="example" id="example-2444">
|
||
<p><strong>Example #2 <span class="function"><strong>oci_new_connect()</strong></span> example</strong></p>
|
||
<div class="example-contents">
|
||
<div class="phpcode"><pre><span style="color: #000000">
|
||
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"<html><pre>"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$db </span><span style="color: #007700">= </span><span style="color: #DD0000">""</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$c1 </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"scott"</span><span style="color: #007700">, </span><span style="color: #DD0000">"tiger"</span><span style="color: #007700">, </span><span style="color: #0000BB">$db</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$c2 </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_new_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"scott"</span><span style="color: #007700">, </span><span style="color: #DD0000">"tiger"</span><span style="color: #007700">, </span><span style="color: #0000BB">$db</span><span style="color: #007700">);<br /><br />function </span><span style="color: #0000BB">create_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"create table scott.hallo (test<br />varchar2(64))"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" created table\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">drop_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"drop table scott.hallo"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" dropped table\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">insert_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"insert into scott.hallo<br /> values('</span><span style="color: #0000BB">$conn</span><span style="color: #DD0000">' || ' ' || to_char(sysdate,'DD-MON-YY HH24:MI:SS'))"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_DEFAULT</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" inserted hallo\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">delete_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"delete from scott.hallo"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_DEFAULT</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" deleted hallo\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">oci_commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" committed\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">oci_rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" rollback\n\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"select * from scott.hallo"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_DEFAULT</span><span style="color: #007700">);<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">"----selecting\n\n"</span><span style="color: #007700">;<br /> while (</span><span style="color: #0000BB">oci_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">" <" </span><span style="color: #007700">. </span><span style="color: #0000BB">oci_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #DD0000">"TEST"</span><span style="color: #007700">) . </span><span style="color: #DD0000">">\n\n"</span><span style="color: #007700">;<br /> }<br /> echo </span><span style="color: #0000BB">$conn </span><span style="color: #007700">. </span><span style="color: #DD0000">"----done\n\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">create_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">insert_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">insert_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">delete_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">drop_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"</pre></html>"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
|
||
</span>
|
||
</pre></div>
|
||
</div>
|
||
|
||
</div>
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 notes" id="refsect1-function.oci-new-connect-notes">
|
||
<h3 class="title">注释</h3>
|
||
<blockquote class="note"><p><strong class="note">Note</strong>:
|
||
<p class="para">
|
||
In PHP versions before 5.0.0 you must
|
||
use <span class="function"><a href="ocinlogon.html" class="function">ocinlogon()</a></span> instead.
|
||
在当前版本中，旧的函数名还可以被使用，但已经被废弃并不建议使用。
|
||
</p>
|
||
</p></blockquote>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 seealso" id="refsect1-function.oci-new-connect-seealso">
|
||
<h3 class="title">参见</h3>
|
||
<p class="para">
|
||
<ul class="simplelist">
|
||
<li class="member"><span class="function"><a href="oci_connect.html" class="function" rel="rdfs-seeAlso">oci_connect()</a> - 建立一个到 Oracle 服务器的连接</span></li>
|
||
<li class="member"><span class="function"><a href="oci_pconnect.html" class="function" rel="rdfs-seeAlso">oci_pconnect()</a> - 使用一个持久连接连到 Oracle 数据库</span></li>
|
||
</ul>
|
||
</p>
|
||
</div>
|
||
|
||
</div></div></div></body></html> |