function.db2-execute.html

来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 258 行 · 第 1/2 页

HTML
258
字号
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Executes a prepared SQL statement</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.db2-exec.html">db2_exec</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.db2-fetch-array.html">db2_fetch_array</a></div> <div class="up"><a href="ref.ibm-db2.html">IBM DB2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.db2-execute" class="refentry"> <div class="refnamediv">  <h1 class="refname">db2_execute</h1>  <p class="verinfo">(PECL ibm_db2:1.0-1.6.2)</p><p class="refpurpose"><span class="refname">db2_execute</span> &mdash; <span class="dc-title">   Executes a prepared SQL statement  </span></p> </div> <div class="refsect1 description">  <h3 class="title">Description</h3>  <div class="methodsynopsis dc-description">   <span class="type">bool</span> <span class="methodname"><b><b>db2_execute</b></b></span>    ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$stmt</tt></span>   [, <span class="methodparam"><span class="type">array</span> <tt class="parameter">$parameters</tt></span>  ] )</div>  <p class="para rdfs-comment">   <b>db2_execute()</b> executes an SQL statement that was   prepared by <a href="function.db2-prepare.html" class="function">db2_prepare()</a>.  </p>  <p class="para">   If the SQL statement returns a result set, for example, a SELECT statement   or a CALL to a stored procedure that returns one or more result sets, you   can retrieve a row as an array from the <i>stmt</i> resource   using <a href="function.db2-fetch-assoc.html" class="function">db2_fetch_assoc()</a>,   <a href="function.db2-fetch-both.html" class="function">db2_fetch_both()</a>, or   <a href="function.db2-fetch-array.html" class="function">db2_fetch_array()</a>. Alternatively, you can use   <a href="function.db2-fetch-row.html" class="function">db2_fetch_row()</a> to move the result set pointer to the   next row and fetch a column at a time from that row with   <a href="function.db2-result.html" class="function">db2_result()</a>.  </p>  <p class="para">   Refer to <a href="function.db2-prepare.html" class="function">db2_prepare()</a> for a brief discussion of the   advantages of using <a href="function.db2-prepare.html" class="function">db2_prepare()</a> and   <b>db2_execute()</b> rather than <a href="function.db2-exec.html" class="function">db2_exec()</a>.  </p> </div> <div class="refsect1 parameters">  <h3 class="title">Parameters</h3>  <p class="para">   <dl>    <dt>     <span class="term"><i><tt class="parameter">stmt</tt></i></span>     <dd>      <p class="para">       A prepared statement returned from <a href="function.db2-prepare.html" class="function">db2_prepare()</a>.      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">parameters</tt></i></span>     <dd>      <p class="para">       An array of input parameters matching any parameter markers contained       in the prepared statement.      </p>     </dd>    </dt>   </dl>  </p> </div> <div class="refsect1 returnvalues">  <h3 class="title">Return Values</h3>  <p class="para">   Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure.  </p> </div> <div class="refsect1 examples">  <h3 class="title">Examples</h3>  <p class="para">   <div class="example">    <p><b>Example #1 Preparing and executing an SQL statement with parameter markers</b></p>    <div class="example-contents"><p>     The following example prepares an INSERT statement that accepts four     parameter markers, then iterates over an array of arrays containing the     input values to be passed to <b>db2_execute()</b>.    </p></div>    <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$pet&nbsp;</span><span style="color: #007700">=&nbsp;array(</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'cat'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'Pook'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">3.2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$insert&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'INSERT&nbsp;INTO&nbsp;animals&nbsp;(id,&nbsp;breed,&nbsp;name,&nbsp;weight)<br />&nbsp;&nbsp;&nbsp;&nbsp;VALUES&nbsp;(?,&nbsp;?,&nbsp;?,&nbsp;?)'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$stmt&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">db2_prepare</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$insert</span><span style="color: #007700">);<br />if&nbsp;(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">db2_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$pet</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(</span><span style="color: #0000BB">$result</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;print&nbsp;</span><span style="color: #DD0000">"Successfully&nbsp;added&nbsp;new&nbsp;pet."</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>    </div>    <div class="example-contents"><p>The above example will output:</p></div>    <div class="example-contents"><pre><div class="cdata"><pre>Successfully added new pet.</pre></div>    </pre></div>   </div>   <div class="example">    <p><b>Example #2 Calling a stored procedure with an OUT parameter</b></p>    <div class="example-contents"><p>     The following example prepares a CALL statement that accepts one      parameter marker representing an OUT parameter, binds the PHP variable     <i>$my_pets</i> to the parameter using

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?