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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>Opens a connection to a MaxDB server</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.maxdb-real-connect" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">maxdb_real_connect</h1>
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<h1 class="refname">maxdb::real_connect</h1>
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<p class="verinfo">(PECL maxdb >= 1.0)</p><p class="refpurpose"><span class="refname">maxdb_real_connect</span> -- <span class="refname">maxdb::real_connect</span> — <span class="dc-title">Opens a connection to a MaxDB server</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.maxdb-real-connect-description">
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<h3 class="title">说明</h3>
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<p class="para">过程化风格</p>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>maxdb_real_connect</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$username</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$passwd</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$dbname</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$port</code><span class="initializer"> = 0</span></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$socket</code></span>
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]]]]]] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">面向对象风格</p>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>maxdb::real_connect</strong></span>
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([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$username</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$passwd</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$dbname</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$port</code><span class="initializer"> = 0</span></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$socket</code></span>
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]]]]]] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>maxdb_real_connect()</strong></span> attempts to establish a
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connection to a MaxDB database engine running on
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<code class="parameter">hostname</code>.
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</p>
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<p class="para">
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This function differs from <span class="function"><a href="maxdb_connect.html" class="function">maxdb_connect()</a></span>:
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</p>
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<ul class="itemizedlist">
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<li class="listitem">
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<p class="para">
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<span class="function"><strong>maxdb_real_connect()</strong></span> needs a valid resource which has
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to be created by function <span class="function"><a href="maxdb_init.html" class="function">maxdb_init()</a></span>
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</p>
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</li>
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<li class="listitem">
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<p class="para">
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With function <span class="function"><a href="maxdb_options.html" class="function">maxdb_options()</a></span> you can set various options for connection.
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</p>
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</li>
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</ul>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.maxdb-real-connect-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.maxdb-real-connect-examples">
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<h3 class="title">范例</h3>
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<div class="example" id="example-1393">
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<p><strong>Example #1 面向对象风格</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 /><br /></span><span style="color: #FF8000">/* create a connection object which is not connected */<br /></span><span style="color: #0000BB">$maxdb </span><span style="color: #007700">= </span><span style="color: #0000BB">maxdb_init</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">/* set connection options */<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-></span><span style="color: #0000BB">options</span><span style="color: #007700">(</span><span style="color: #0000BB">MAXDB_UNICODE</span><span style="color: #007700">, </span><span style="color: #DD0000">"FALSE"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-></span><span style="color: #0000BB">options</span><span style="color: #007700">(</span><span style="color: #0000BB">MAXDB_TIMEOUT</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* connect to server */<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-></span><span style="color: #0000BB">real_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">, </span><span style="color: #DD0000">'MONA'</span><span style="color: #007700">, </span><span style="color: #DD0000">'RED'</span><span style="color: #007700">, </span><span style="color: #DD0000">'DEMODB'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* check connection */<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">maxdb_connect_errno</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">maxdb_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #0000BB">printf </span><span style="color: #007700">(</span><span style="color: #DD0000">"Connection: %s\n."</span><span style="color: #007700">, </span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-></span><span style="color: #0000BB">host_info</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-></span><span style="color: #0000BB">close</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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<div class="example" id="example-1394">
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<p><strong>Example #2 过程化风格</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/* create a connection object which is not connected */<br /></span><span style="color: #0000BB">$link </span><span style="color: #007700">= </span><span style="color: #0000BB">maxdb_init</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">/* set connection options */<br /></span><span style="color: #0000BB">maxdb_options</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">MAXDB_UNICODE</span><span style="color: #007700">, </span><span style="color: #DD0000">"FALSE"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">maxdb_options</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">MAXDB_TIMEOUT</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* connect to server */<br /></span><span style="color: #0000BB">maxdb_real_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">, </span><span style="color: #DD0000">'MONA'</span><span style="color: #007700">, </span><span style="color: #DD0000">'RED'</span><span style="color: #007700">, </span><span style="color: #DD0000">'DEMODB'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* check connection */<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">maxdb_connect_errno</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">maxdb_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #0000BB">printf </span><span style="color: #007700">(</span><span style="color: #DD0000">"Connection: %s\n."</span><span style="color: #007700">, </span><span style="color: #0000BB">maxdb_get_host_info</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">));<br /><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>
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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 class="para">以上例程的输出类似于：</p>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Connection: localhost <...>
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</pre></div>
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</div>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.maxdb-real-connect-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="maxdb_connect.html" class="function" rel="rdfs-seeAlso">maxdb_connect()</a> - Open a new connection to the MaxDB server</span></li>
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<li class="member"><span class="function"><a href="maxdb_init.html" class="function" rel="rdfs-seeAlso">maxdb_init()</a> - Initializes MaxDB and returns an resource for use with maxdb_real_connect</span></li>
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<li class="member"><span class="function"><a href="maxdb_options.html" class="function" rel="rdfs-seeAlso">maxdb_options()</a> - Set options</span></li>
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<li class="member"><span class="function"><a href="maxdb_ssl_set.html" class="function" rel="rdfs-seeAlso">maxdb_ssl_set()</a> - Used for establishing secure connections using SSL</span></li>
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<li class="member"><span class="function"><a href="maxdb_close.html" class="function" rel="rdfs-seeAlso">maxdb_close()</a> - Closes a previously opened database connection</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> |