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<!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>分配并返回一个新的游标（语句句柄）</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-cursor" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">oci_new_cursor</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_cursor</span> — <span class="dc-title">分配并返回一个新的游标（语句句柄）</span></p>
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</div>
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<div class="refsect1 unknown-seealsp" id="refsect1-function.oci-new-cursor-unknown-seealsp">
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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_cursor</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
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) : <span class="type">resource</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>oci_new_cursor()</strong></span> 在指定的连接上分配一个新的语句句柄。
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</p>
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<p class="para">
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<div class="example" id="example-2445">
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<p><strong>Example #1 在 Oracle 的存储过程中使用 REF CURSOR</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// suppose your stored procedure info.output returns a ref cursor in :data<br /><br /></span><span style="color: #0000BB">$conn </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">);<br /></span><span style="color: #0000BB">$curs </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_new_cursor</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<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">"begin info.output(:data); end;"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">oci_bind_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #DD0000">"data"</span><span style="color: #007700">, </span><span style="color: #0000BB">$curs</span><span style="color: #007700">, -</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_B_CURSOR</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$curs</span><span style="color: #007700">);<br /><br />while (</span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_row</span><span style="color: #007700">(</span><span style="color: #0000BB">$curs</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$curs</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</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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<div class="example" id="example-2446">
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<p><strong>Example #2 在 Oracle 的 select 语句中使用 REF CURSOR</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><body>"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"scott"</span><span style="color: #007700">, </span><span style="color: #DD0000">"tiger"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$count_cursor </span><span style="color: #007700">= </span><span style="color: #DD0000">"CURSOR(select count(empno) num_emps from emp " </span><span style="color: #007700">.<br /> </span><span style="color: #DD0000">"where emp.deptno = dept.deptno) as EMPCNT from dept"</span><span style="color: #007700">;<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 deptno,dname,</span><span style="color: #0000BB">$count_cursor</span><span style="color: #DD0000">"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"<table border=\"1\">"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"<tr>"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"<th>DEPT NAME</th>"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"<th>DEPT #</th>"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"<th># EMPLOYEES</th>"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"</tr>"</span><span style="color: #007700">;<br /><br />while (</span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_assoc</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"<tr>"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$dname </span><span style="color: #007700">= </span><span style="color: #0000BB">$data</span><span style="color: #007700">[</span><span style="color: #DD0000">"DNAME"</span><span style="color: #007700">];<br /> </span><span style="color: #0000BB">$deptno </span><span style="color: #007700">= </span><span style="color: #0000BB">$data</span><span style="color: #007700">[</span><span style="color: #DD0000">"DEPTNO"</span><span style="color: #007700">];<br /> echo </span><span style="color: #DD0000">"<td></span><span style="color: #0000BB">$dname</span><span style="color: #DD0000"></td>"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"<td></span><span style="color: #0000BB">$deptno</span><span style="color: #DD0000"></td>"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">[</span><span style="color: #DD0000">"EMPCNT"</span><span style="color: #007700">]);<br /> while (</span><span style="color: #0000BB">$subdata </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_assoc</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">[</span><span style="color: #DD0000">"EMPCNT"</span><span style="color: #007700">])) {<br /> </span><span style="color: #0000BB">$num_emps </span><span style="color: #007700">= </span><span style="color: #0000BB">$subdata</span><span style="color: #007700">[</span><span style="color: #DD0000">"NUM_EMPS"</span><span style="color: #007700">];<br /> echo </span><span style="color: #DD0000">"<td></span><span style="color: #0000BB">$num_emps</span><span style="color: #DD0000"></td>"</span><span style="color: #007700">;<br /> }<br /> echo </span><span style="color: #DD0000">"</tr>"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"</table>"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"</body></html>"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</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_cursor()</strong></span> 如果出错返回 <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="ocinewcursor.html" class="function">ocinewcursor()</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_cursor()</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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</div>
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</div></div></div></body></html> |