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163 lines
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HTML
163 lines
7.7 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>Creates a database</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.dbase-create" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">dbase_create</h1>
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<p class="verinfo">(PHP 5 < 5.3.0, dbase 5, dbase 7)</p><p class="refpurpose"><span class="refname">dbase_create</span> — <span class="dc-title">Creates a database</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.dbase-create-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>dbase_create</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>
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, <span class="methodparam"><span class="type">array</span> <code class="parameter">$fields</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$type</code><span class="initializer"> = DBASE_TYPE_DBASE</span></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>dbase_create()</strong></span> creates a dBase database with the given
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definition.
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If the file already exists, it is not truncated.
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<span class="function"><a href="dbase_pack.html" class="function">dbase_pack()</a></span> can be called to force truncation.
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">当启用
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<a href="features.safe_mode.html" class="link">安全模式</a>时，
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PHP 会检查被操作的文件或目录是否与被执行的脚本有相同的 UID（所有者）。</span></p></blockquote>
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<blockquote class="note"><p><strong class="note">Note</strong>: <p class="para">此函数受
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<a href="ini.core.html#ini.open-basedir" class="link">open_basedir</a> 影响。</p></p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.dbase-create-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">filename</code></dt>
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<dd>
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<p class="para">
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The name of the database. It can be a relative or absolute path to
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the file where dBase will store your data.
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</p>
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</dd>
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<dt>
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<code class="parameter">fields</code></dt>
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<dd>
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<p class="para">
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An array of arrays, each array describing the format of one field of the
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database. Each field consists of a name, a character indicating the field
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type, and optionally, a length, a precision and a nullable flag.
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The supported field types are listed in the <a href="intro.dbase.html" class="link">introduction section</a>.
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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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The fieldnames are limited in length and must not exceed 10 chars.
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</p>
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</p></blockquote>
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</dd>
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<dt>
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<code class="parameter">type</code></dt>
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<dd>
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<p class="para">
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The type of database to be created. Either
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<strong><code>DBASE_TYPE_DBASE</code></strong> or
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<strong><code>DBASE_TYPE_FOXPRO</code></strong>.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.dbase-create-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns a database link identifier if the database is successfully created,
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or <strong><code>FALSE</code></strong> if an error occurred.
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</p>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.dbase-create-changelog">
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<h3 class="title">更新日志</h3>
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>版本</th>
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<th>说明</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>dbase 7.0.0</td>
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<td>
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The <code class="parameter">type</code> parameter has been added.
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</td>
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</tr>
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<tr>
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<td>dbase 7.0.0</td>
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<td>
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The return value is now a <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span> instead of an
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<span class="type"><a href="language.types.integer.html" class="type int">int</a></span>.
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="refsect1 examples" id="refsect1-function.dbase-create-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-1186">
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<p><strong>Example #1 Creating a dBase database file</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">// database "definition"<br /></span><span style="color: #0000BB">$def </span><span style="color: #007700">= array(<br /> array(</span><span style="color: #DD0000">"date"</span><span style="color: #007700">, </span><span style="color: #DD0000">"D"</span><span style="color: #007700">),<br /> array(</span><span style="color: #DD0000">"name"</span><span style="color: #007700">, </span><span style="color: #DD0000">"C"</span><span style="color: #007700">, </span><span style="color: #0000BB">50</span><span style="color: #007700">),<br /> array(</span><span style="color: #DD0000">"age"</span><span style="color: #007700">, </span><span style="color: #DD0000">"N"</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">),<br /> array(</span><span style="color: #DD0000">"email"</span><span style="color: #007700">, </span><span style="color: #DD0000">"C"</span><span style="color: #007700">, </span><span style="color: #0000BB">128</span><span style="color: #007700">),<br /> array(</span><span style="color: #DD0000">"ismember"</span><span style="color: #007700">, </span><span style="color: #DD0000">"L"</span><span style="color: #007700">)<br />);<br /><br /></span><span style="color: #FF8000">// creation<br /></span><span style="color: #007700">if (!</span><span style="color: #0000BB">dbase_create</span><span style="color: #007700">(</span><span style="color: #DD0000">'/tmp/test.dbf'</span><span style="color: #007700">, </span><span style="color: #0000BB">$def</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"Error, can't create the database\n"</span><span style="color: #007700">;<br />}<br /><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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</div>
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<div class="refsect1 seealso" id="refsect1-function.dbase-create-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="dbase_open.html" class="function" rel="rdfs-seeAlso">dbase_open()</a> - Opens a database</span></li>
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<li class="member"><span class="function"><a href="dbase_close.html" class="function" rel="rdfs-seeAlso">dbase_close()</a> - Closes a database</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> |