mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-18 05:26:57 +08:00
132 lines
14 KiB
HTML
132 lines
14 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
||
<html>
|
||
<head>
|
||
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
||
<title>Binds variables to a prepared statement for result storage</title>
|
||
</head>
|
||
<body class="docs"><div id="layout">
|
||
<div id="layout-content"><div id="function.maxdb-stmt-bind-result" class="refentry">
|
||
<div class="refnamediv">
|
||
<h1 class="refname">maxdb_stmt_bind_result</h1>
|
||
<h1 class="refname">maxdb_stmt::bind_result</h1>
|
||
<p class="verinfo">(PECL maxdb >= 1.0)</p><p class="refpurpose"><span class="refname">maxdb_stmt_bind_result</span> -- <span class="refname">maxdb_stmt::bind_result</span> — <span class="dc-title">Binds variables to a prepared statement for result storage</span></p>
|
||
|
||
</div>
|
||
|
||
<div class="refsect1 description" id="refsect1-function.maxdb-stmt-bind-result-description">
|
||
<h3 class="title">说明</h3>
|
||
<p class="para">过程化风格</p>
|
||
<div class="methodsynopsis dc-description">
|
||
<span class="methodname"><strong>maxdb_stmt_bind_result</strong></span>
|
||
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$stmt</code></span>
|
||
, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter reference">&$var1</code></span>
|
||
[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter reference">&$...</code></span>
|
||
] ) : <span class="type">bool</span></div>
|
||
|
||
<p class="para rdfs-comment">面向对象风格</p>
|
||
<div class="methodsynopsis dc-description">
|
||
<span class="methodname"><strong>maxdb_stmt::bind_result</strong></span>
|
||
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter reference">&$var1</code></span>
|
||
[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter reference">&$...</code></span>
|
||
] ) : <span class="type">bool</span></div>
|
||
|
||
<p class="para rdfs-comment">
|
||
<span class="function"><strong>maxdb_stmt_bind_result()</strong></span> is used to associate (bind) columns in the result
|
||
set to variables. When <span class="function"><a href="maxdb_stmt_fetch.html" class="function">maxdb_stmt_fetch()</a></span> is called to fetch data, the MaxDB
|
||
client/server protocol places the data for the bound columns into the specified variables
|
||
<code class="parameter">var1, ...</code>.
|
||
</p>
|
||
<blockquote class="note"><p><strong class="note">Note</strong>:
|
||
<p class="para">
|
||
Note that all columns must be bound prior to calling <span class="function"><a href="maxdb_stmt_fetch.html" class="function">maxdb_stmt_fetch()</a></span>.
|
||
Depending on column types bound variables can silently change to the corresponding PHP type.
|
||
</p>
|
||
<p class="para">
|
||
A column can be bound or rebound at any time, even after a result set has been partially retrieved.
|
||
The new binding takes effect the next time <span class="function"><a href="maxdb_stmt_fetch.html" class="function">maxdb_stmt_fetch()</a></span> is called.
|
||
</p>
|
||
</p></blockquote>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 returnvalues" id="refsect1-function.maxdb-stmt-bind-result-returnvalues">
|
||
<h3 class="title">返回值</h3>
|
||
<p class="para">
|
||
成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 examples" id="refsect1-function.maxdb-stmt-bind-result-examples">
|
||
<h3 class="title">范例</h3>
|
||
<div class="example" id="example-1413">
|
||
<p><strong>Example #1 面向对象风格</strong></p>
|
||
<div class="example-contents">
|
||
<div class="phpcode"><pre><span style="color: #000000">
|
||
<span style="color: #0000BB"><?php<br />$maxdb </span><span style="color: #007700">= new </span><span style="color: #0000BB">maxdb</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"MONA"</span><span style="color: #007700">, </span><span style="color: #DD0000">"RED"</span><span style="color: #007700">, </span><span style="color: #DD0000">"DEMODB"</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">maxdb_connect_errno</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">maxdb_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #FF8000">/* prepare statement */<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-></span><span style="color: #0000BB">prepare</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT zip, name FROM hotel.city ORDER BY name"</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /> </span><span style="color: #FF8000">/* bind variables to prepared statement */<br /> </span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-></span><span style="color: #0000BB">bind_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$col1</span><span style="color: #007700">, </span><span style="color: #0000BB">$col2</span><span style="color: #007700">);<br /><br /> </span><span style="color: #FF8000">/* fetch values */<br /> </span><span style="color: #007700">while (</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-></span><span style="color: #0000BB">fetch</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$col1</span><span style="color: #007700">, </span><span style="color: #0000BB">$col2</span><span style="color: #007700">);<br /> }<br /><br /> </span><span style="color: #FF8000">/* close statement */<br /> </span><span style="color: #0000BB">$stmt</span><span style="color: #007700">-></span><span style="color: #0000BB">close</span><span style="color: #007700">();<br />}<br /></span><span style="color: #FF8000">/* close connection */<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-></span><span style="color: #0000BB">close</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">?></span>
|
||
</span>
|
||
</pre></div>
|
||
</div>
|
||
|
||
</div>
|
||
<div class="example" id="example-1414">
|
||
<p><strong>Example #2 过程化风格</strong></p>
|
||
<div class="example-contents">
|
||
<div class="phpcode"><pre><span style="color: #000000">
|
||
<span style="color: #0000BB"><?php<br />$link </span><span style="color: #007700">= </span><span style="color: #0000BB">maxdb_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"MONA"</span><span style="color: #007700">, </span><span style="color: #DD0000">"RED"</span><span style="color: #007700">, </span><span style="color: #DD0000">"DEMODB"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* check connection */<br /></span><span style="color: #007700">if (!</span><span style="color: #0000BB">$link</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">maxdb_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #FF8000">/* prepare statement */<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">maxdb_prepare</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #DD0000">"SELECT zip, name FROM hotel.city ORDER BY name"</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">maxdb_stmt_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /><br /> </span><span style="color: #FF8000">/* bind variables to prepared statement */<br /> </span><span style="color: #0000BB">maxdb_stmt_bind_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">$col1</span><span style="color: #007700">, </span><span style="color: #0000BB">$col2</span><span style="color: #007700">);<br /><br /> </span><span style="color: #FF8000">/* fetch values */<br /> </span><span style="color: #007700">while (</span><span style="color: #0000BB">maxdb_stmt_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$col1</span><span style="color: #007700">, </span><span style="color: #0000BB">$col2</span><span style="color: #007700">);<br /> }<br /><br /> </span><span style="color: #FF8000">/* close statement */<br /> </span><span style="color: #0000BB">maxdb_stmt_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/* close connection */<br /></span><span style="color: #0000BB">maxdb_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
|
||
</span>
|
||
</pre></div>
|
||
</div>
|
||
|
||
</div>
|
||
<p class="para">以上例程的输出类似于：</p>
|
||
<div class="example-contents screen">
|
||
<div class="cdata"><pre>
|
||
12203 Albany
|
||
60601 Chicago
|
||
60615 Chicago
|
||
45211 Cincinnati
|
||
33575 Clearwater
|
||
75243 Dallas
|
||
32018 Daytona Beach
|
||
33441 Deerfield Beach
|
||
48226 Detroit
|
||
90029 Hollywood
|
||
92714 Irvine
|
||
90804 Long Beach
|
||
11788 Long Island
|
||
90018 Los Angeles
|
||
70112 New Orleans
|
||
10019 New York
|
||
10580 New York
|
||
92262 Palm Springs
|
||
97213 Portland
|
||
60018 Rosemont
|
||
95054 Santa Clara
|
||
20903 Silver Spring
|
||
20005 Washington
|
||
20019 Washington
|
||
20037 Washington
|
||
</pre></div>
|
||
</div>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 seealso" id="refsect1-function.maxdb-stmt-bind-result-seealso">
|
||
<h3 class="title">参见</h3>
|
||
<p class="para">
|
||
<ul class="simplelist">
|
||
<li class="member"><span class="function"><a href="maxdb_stmt_bind_param.html" class="function" rel="rdfs-seeAlso">maxdb_stmt_bind_param()</a> - Binds variables to a prepared statement as parameters</span></li>
|
||
<li class="member"><span class="function"><a href="maxdb_stmt_execute.html" class="function" rel="rdfs-seeAlso">maxdb_stmt_execute()</a> - Executes a prepared Query</span></li>
|
||
<li class="member"><span class="function"><a href="maxdb_stmt_fetch.html" class="function" rel="rdfs-seeAlso">maxdb_stmt_fetch()</a> - Fetch results from a prepared statement into the bound variables</span></li>
|
||
<li class="member"><span class="function"><a href="maxdb_prepare.html" class="function" rel="rdfs-seeAlso">maxdb_prepare()</a> - Prepare an SQL statement for execution</span></li>
|
||
<li class="member"><span class="function"><a href="maxdb_stmt_prepare.html" class="function" rel="rdfs-seeAlso">maxdb_stmt_prepare()</a> - Prepare an SQL statement for execution</span></li>
|
||
<li class="member"><span class="function"><a href="maxdb_stmt_init.html" class="function" rel="rdfs-seeAlso">maxdb_stmt_init()</a> - Initializes a statement and returns an resource for use with maxdb_stmt_prepare</span></li>
|
||
<li class="member"><span class="function"><a href="maxdb_stmt_errno.html" class="function" rel="rdfs-seeAlso">maxdb_stmt_errno()</a> - Returns the error code for the most recent statement call</span></li>
|
||
<li class="member"><span class="function"><a href="maxdb_stmt_error.html" class="function" rel="rdfs-seeAlso">maxdb_stmt_error()</a> - Returns a string description for last statement error</span></li>
|
||
</ul>
|
||
</p>
|
||
</div>
|
||
|
||
|
||
</div></div></div></body></html> |