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	<title>Yaron's Blog &#187; MySQL基础知识</title>
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		<title>PHP/MySQL 基础知识集锦一</title>
		<link>http://yaron.org.cn/archives/179</link>
		<comments>http://yaron.org.cn/archives/179#comments</comments>
		<pubDate>Wed, 16 Dec 2009 08:17:00 +0000</pubDate>
		<dc:creator>Yaron</dc:creator>
				<category><![CDATA[MySQL基础知识]]></category>
		<category><![CDATA[PDT应用]]></category>
		<category><![CDATA[PHP编程基础知识]]></category>

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		<description><![CDATA[1&#160; MySQL中把null值转换为0的函数？




1&#160; 
select&#160;ifnull(null,0);



2&#160; PHP 过滤Win系统文件名中的非法字符
 





1&#160; 
&#60;?php


2&#160; 
$this-&#62;media_planning_name&#160;=&#160;str_replace(array(&#8216;/&#8216;,&#8216;\\&#8216;,&#8216;:&#8216;,&#8216;*&#8216;,&#8216;?&#8216;,&#8216;&#34;&#8216;,&#8216;&#60;&#8216;,&#8216;&#62;&#8216;,&#8216;&#124;&#8216;),&#8216;_&#8216;,&#160;trim($media_planning_name));


3&#160; 
?&#62;



3&#160; 遍历两个日期间的日期      比如，要遍历出2009-2-10，到2009-3-30 之间的日期




1&#160; 
&#60;?php&#160;for($i&#160;=&#160;$media_planning_start_date;&#160;$i&#60;=&#160;$media_planning_end_date;&#160;$i&#160;=&#160;date(&#8216;Y-m-d&#8216;,strtotime(&#34;+1&#160;days&#160;&#34;.$i))):?&#62;


2&#160; 
&#60;?php&#160;&#160;echo&#160;$i;&#160;?&#62;


3&#160; 
&#60;?php&#160;endfor;?&#62;



4&#160;<a href="http://yaron.org.cn/archives/179" class="searchmore">Read the Rest...</a><div class="clr"></div>]]></description>
			<content:encoded><![CDATA[<p><strong>1&#160; MySQL中把null值转换为0的函数？</strong></p>
<div style="font-size: 12px; line-height: 12px; font-family: courier new">
<table style="border-top-width: 0px; padding-right: 0px; padding-left: 0px; border-left-width: 0px; border-bottom-width: 0px; padding-bottom: 0px; width: 100%; padding-top: 0px; border-right-width: 0px" cellspacing="0">
<tbody>
<tr>
<td style="color: teal" valign="top" width="23">1&#160; </td>
<td width="871"><b><span style="color: #0000ff">select</span></b><span style="color: #000000">&#160;</span><span style="color: #000000">ifnull</span><span style="color: #ff0000">(</span><b><span style="color: #0000ff">null</span></b><span style="color: #ff0000">,</span><b><span style="color: #008080">0</span></b><span style="color: #ff0000">)</span><span style="color: #ff0000">;</span></td>
</tr>
</tbody>
</table></div>
<p><strong>2&#160; PHP 过滤Win系统文件名中的非法字符</strong></p>
<p> <span id="more-179"></span>
<p><strong></strong></p>
<div style="font-size: 12px; line-height: 12px; font-family: courier new">
<table style="border-top-width: 0px; padding-right: 0px; padding-left: 0px; border-left-width: 0px; border-bottom-width: 0px; padding-bottom: 0px; width: 100%; padding-top: 0px; border-right-width: 0px" cellspacing="0">
<tbody>
<tr>
<td style="color: teal" valign="top">1&#160; </td>
<td><span style="color: #000000; background-color: #ffff00">&lt;?</span><span style="color: #000000">php</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">2&#160; </td>
<td><b><span style="color: #ff00ff">$this</span></b><span style="color: #ff0000">-</span><span style="color: #ff0000">&gt;</span><span style="color: #000000">media_planning_name</span><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #00008b">str_replace</span></b><span style="color: #000000">(</span><b><span style="color: #00008b">array</span></b><span style="color: #000000">(</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">/</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">\\</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">:</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">*</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">?</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">&quot;</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">&lt;</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">&gt;</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">|</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">)</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">_</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #000000">&#160;</span><b><span style="color: #00008b">trim</span></b><span style="color: #000000">(</span><b><span style="color: #ff00ff">$media_planning_name</span></b><span style="color: #000000">)</span><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">3&#160; </td>
<td><span style="color: #000000; background-color: #ffff00">?&gt;</span></td>
</tr>
</tbody>
</table></div>
<p><strong>3&#160; 遍历两个日期间的日期      <br /></strong>比如，要遍历出2009-2-10，到2009-3-30 之间的日期</p>
<div style="font-size: 12px; line-height: 12px; font-family: courier new">
<table style="border-top-width: 0px; padding-right: 0px; padding-left: 0px; border-left-width: 0px; border-bottom-width: 0px; padding-bottom: 0px; width: 100%; padding-top: 0px; border-right-width: 0px" cellspacing="0">
<tbody>
<tr>
<td style="color: teal" valign="top">1&#160; </td>
<td><span style="color: #000000; background-color: #ffff00">&lt;?</span><span style="color: #000000">php</span><span style="color: #000000">&#160;</span><b><span style="color: #0000ff">for</span></b><span style="color: #000000">(</span><b><span style="color: #ff00ff">$i</span></b><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$media_planning_start_date</span></b><span style="color: #000000">;</span><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$i</span></b><span style="color: #ff0000">&lt;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$media_planning_end_date</span></b><span style="color: #000000">;</span><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$i</span></b><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #00008b">date</span></b><span style="color: #000000">(</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">Y-m-d</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,strtotime</span><span style="color: #000000">(</span><span style="color: #4682b4">&quot;</span><span style="color: #4682b4">+1</span><span style="color: #4682b4">&#160;</span><span style="color: #4682b4">days</span><span style="color: #4682b4">&#160;</span><span style="color: #4682b4">&quot;</span><span style="color: #ff0000">.</span><b><span style="color: #ff00ff">$i</span></b><span style="color: #000000">)</span><span style="color: #000000">)</span><span style="color: #000000">)</span><span style="color: #000000">:</span><span style="color: #000000; background-color: #ffff00">?&gt;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">2&#160; </td>
<td><span style="color: #000000; background-color: #ffff00">&lt;?</span><span style="color: #000000">php</span><span style="color: #000000">&#160;</span><span style="color: #000000">&#160;</span><b><span style="color: #0000ff">echo</span></b><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$i</span></b><span style="color: #000000">;</span><span style="color: #000000">&#160;</span><span style="color: #000000; background-color: #ffff00">?&gt;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">3&#160; </td>
<td><span style="color: #000000; background-color: #ffff00">&lt;?</span><span style="color: #000000">php</span><span style="color: #000000">&#160;</span><span style="color: #000000">endfor;</span><span style="color: #000000; background-color: #ffff00">?&gt;</span></td>
</tr>
</tbody>
</table></div>
<p><strong>4&#160; 在Eclipse Xdebug调试中，查看$this-&gt;account_id 的值      <br /></strong>$this     <br />&#8211;varHolder     <br />&#8212;-parameters     <br />查看所有参数：     <br />$this     <br />&#8211;requestParameters</p>
<p><strong>5&#160; 文件下载：</strong></p>
<div style="font-size: 12px; line-height: 12px; font-family: courier new">
<table style="border-top-width: 0px; padding-right: 0px; padding-left: 0px; border-left-width: 0px; border-bottom-width: 0px; padding-bottom: 0px; width: 100%; padding-top: 0px; border-right-width: 0px" cellspacing="0">
<tbody>
<tr>
<td style="color: teal" valign="top">1&#160; </td>
<td><span style="color: #000000; background-color: #ffff00">&lt;?</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">2&#160; </td>
<td><b><span style="color: #ff00ff">$report_file</span></b><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">http://</span><span style="color: #4682b4">&#8216;</span><span style="color: #ff0000">.</span><b><span style="color: #ff00ff">$this</span></b><span style="color: #ff0000">-</span><span style="color: #ff0000">&gt;</span><span style="color: #000000">getRequest</span><span style="color: #000000">(</span><span style="color: #000000">)</span><span style="color: #ff0000">-</span><span style="color: #ff0000">&gt;</span><span style="color: #000000">getHost</span><span style="color: #000000">(</span><span style="color: #000000">)</span><span style="color: #ff0000">.</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">/</span><span style="color: #4682b4">&#8216;</span><span style="color: #ff0000">.</span><span style="color: #000000">sfConfig::get</span><span style="color: #000000">(</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">sf_reports_dir</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">)</span><span style="color: #ff0000">.</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">/</span><span style="color: #4682b4">&#8216;</span><span style="color: #ff0000">.</span><b><span style="color: #ff00ff">$report</span></b><span style="color: #ff0000">-</span><span style="color: #ff0000">&gt;</span><span style="color: #000000">getReportPath</span><span style="color: #000000">(</span><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">3&#160; </td>
<td><b><span style="color: #ff00ff">$FileParts</span></b><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><span style="color: #000000">pathinfo</span><span style="color: #000000">(</span><b><span style="color: #ff00ff">$report_file</span></b><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">4&#160; </td>
<td><b><span style="color: #ff00ff">$FileName</span></b><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$FileParts</span></b><span style="color: #000000">[</span><span style="color: #4682b4">'</span><span style="color: #4682b4">basename</span><span style="color: #4682b4">'</span><span style="color: #000000">]</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">5&#160; </td>
<td><span style="color: #008000">//</span><span style="color: #008000">文件扩展名</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">6&#160; </td>
<td><b><span style="color: #0000ff">if</span></b><span style="color: #000000">&#160;</span><span style="color: #000000">(</span><b><span style="color: #00008b">isset</span></b><span style="color: #000000">(</span><b><span style="color: #ff00ff">$FileParts</span></b><span style="color: #000000">[</span><span style="color: #4682b4">'</span><span style="color: #4682b4">extension</span><span style="color: #4682b4">'</span><span style="color: #000000">]</span><span style="color: #000000">)</span><span style="color: #000000">)</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">7&#160; </td>
<td><span style="color: #000000">{</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">8&#160; </td>
<td><b><span style="color: #ff00ff">$Ream</span></b><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$FileParts</span></b><span style="color: #000000">[</span><span style="color: #4682b4">'</span><span style="color: #4682b4">extension</span><span style="color: #4682b4">'</span><span style="color: #000000">]</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">9&#160; </td>
<td><b><span style="color: #00008b">header</span></b><span style="color: #000000">(</span><span style="color: #000000">&#160;</span><span style="color: #4682b4">&quot;</span><span style="color: #4682b4">Content-Type:</span><span style="color: #4682b4">&#160;</span><span style="color: #4682b4">application/x-</span><span style="color: #4682b4">&quot;</span><span style="color: #ff0000">.</span><b><span style="color: #ff00ff">$Ream</span></b><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">10&#160; </td>
<td><b><span style="color: #00008b">header</span></b><span style="color: #000000">(</span><span style="color: #000000">&#160;</span><span style="color: #4682b4">&quot;</span><span style="color: #4682b4">Content-Disposition:</span><span style="color: #4682b4">&#160;</span><span style="color: #4682b4">attachment;</span><span style="color: #4682b4">&#160;</span><span style="color: #4682b4">filename=</span><span style="color: #4682b4">&quot;</span><span style="color: #ff0000">.</span><b><span style="color: #ff00ff">$FileName</span></b><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">11&#160; </td>
<td><span style="color: #ff0000">@</span><b><span style="color: #00008b">readfile</span></b><span style="color: #000000">(</span><b><span style="color: #ff00ff">$report_file</span></b><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">12&#160; </td>
<td><b><span style="color: #00008b">exit</span></b><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">13&#160; </td>
<td><span style="color: #000000">}</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">14&#160; </td>
<td><b><span style="color: #00008b">header</span></b><span style="color: #000000">(</span><span style="color: #000000">&#160;</span><span style="color: #4682b4">&quot;</span><span style="color: #4682b4">Content-Type:</span><span style="color: #4682b4">&#160;</span><span style="color: #4682b4">application/x-unknown</span><span style="color: #4682b4">&quot;</span><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">15&#160; </td>
<td><b><span style="color: #00008b">header</span></b><span style="color: #000000">(</span><span style="color: #000000">&#160;</span><span style="color: #4682b4">&quot;</span><span style="color: #4682b4">Content-Disposition:</span><span style="color: #4682b4">&#160;</span><span style="color: #4682b4">attachment;</span><span style="color: #4682b4">&#160;</span><span style="color: #4682b4">filename=</span><span style="color: #4682b4">&quot;</span><span style="color: #ff0000">.</span><b><span style="color: #ff00ff">$FileName</span></b><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">16&#160; </td>
<td><span style="color: #ff0000">@</span><b><span style="color: #00008b">readfile</span></b><span style="color: #000000">(</span><b><span style="color: #ff00ff">$report_file</span></b><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">17&#160; </td>
<td><b><span style="color: #00008b">exit</span></b><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top">18&#160; </td>
<td><span style="color: #000000; background-color: #ffff00">?&gt;</span></td>
</tr>
</tbody>
</table></div>
<p><strong>6&#160; 数组转换成字符串</strong></p>
<div style="font-size: 12px; line-height: 12px; font-family: courier new">
<table style="border-top-width: 0px; padding-right: 0px; padding-left: 0px; border-left-width: 0px; border-bottom-width: 0px; padding-bottom: 0px; width: 100%; padding-top: 0px; border-right-width: 0px" cellspacing="0">
<tbody>
<tr>
<td style="color: teal" valign="top" width="27">1&#160; </td>
<td width="866"><span style="color: #000000; background-color: #ffff00">&lt;?</span><span style="color: #000000">php</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="27">2&#160; </td>
<td width="866"><span style="color: #008000">//</span><span style="color: #008000">涉及函数：implode()</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="27">3&#160; </td>
<td width="866"><b><span style="color: #ff00ff">$array</span></b><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #00008b">array</span></b><span style="color: #000000">(</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">last</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">email</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">phone</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="27">4&#160; </td>
<td width="866"><b><span style="color: #ff00ff">$str_array</span></b><span style="color: #000000">&#160;</span><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #00008b">implode</span></b><span style="color: #000000">(</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">,</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$array</span></b><span style="color: #000000">)</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="27">5&#160; </td>
<td width="866"><span style="color: #008000">//</span><span style="color: #008000">&#160;</span><span style="color: #008000">last,email,phone</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="27">6&#160; </td>
<td width="866"><span style="color: #000000; background-color: #ffff00">?&gt;</span></td>
</tr>
</tbody>
</table></div>
<p>另外一种实现方法，Join函数</p>
<div style="font-size: 12px; line-height: 12px; font-family: courier new">
<table style="border-top-width: 0px; padding-right: 0px; padding-left: 0px; border-left-width: 0px; border-bottom-width: 0px; padding-bottom: 0px; width: 100%; padding-top: 0px; border-right-width: 0px" cellspacing="0">
<tbody>
<tr>
<td style="color: teal" valign="top" width="26">1&#160; </td>
<td width="867"><span style="color: #000000; background-color: #ffff00">&lt;?</span><span style="color: #000000">php</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="26">2&#160; </td>
<td width="867"><span style="color: #008000">//</span><span style="color: #008000">&#160;</span><span style="color: #008000">Function</span><span style="color: #008000">&#160;</span><span style="color: #008000">join()</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="26">3&#160; </td>
<td width="867"><b><span style="color: #ff00ff">$array</span></b><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #00008b">array</span></b><span style="color: #000000">(</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">lastname</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #000000">&#160;</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">email</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">,</span><span style="color: #000000">&#160;</span><span style="color: #4682b4">&#8216;</span><span style="color: #4682b4">phone</span><span style="color: #4682b4">&#8216;</span><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="26">4&#160; </td>
<td width="867"><b><span style="color: #ff00ff">$comma_separated</span></b><span style="color: #000000">&#160;</span><span style="color: #ff0000">=</span><span style="color: #000000">&#160;</span><b><span style="color: #00008b">join</span></b><span style="color: #000000">(</span><span style="color: #4682b4">&quot;</span><span style="color: #4682b4">,</span><span style="color: #4682b4">&quot;</span><span style="color: #000000">,</span><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$array</span></b><span style="color: #000000">)</span><span style="color: #000000">;</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="26">5&#160; </td>
<td width="867"><b><span style="color: #0000ff">echo</span></b><span style="color: #000000">&#160;</span><b><span style="color: #ff00ff">$comma_separated</span></b><span style="color: #000000">;</span><span style="color: #000000">&#160;</span><span style="color: #008000">//</span><span style="color: #008000">&#160;</span><span style="color: #008000">lastname,email,phone</span></td>
</tr>
<tr>
<td style="color: teal" valign="top" width="26">6&#160; </td>
<td width="867"><span style="color: #000000; background-color: #ffff00">?&gt;</span></td>
</tr>
</tbody>
</table></div>
]]></content:encoded>
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		</item>
		<item>
		<title>phpMyAdmin安装步骤及问题处理</title>
		<link>http://yaron.org.cn/archives/44</link>
		<comments>http://yaron.org.cn/archives/44#comments</comments>
		<pubDate>Mon, 02 Mar 2009 05:56:55 +0000</pubDate>
		<dc:creator>Yaron</dc:creator>
				<category><![CDATA[MySQL基础知识]]></category>

		<guid isPermaLink="false">http://yaron.org.cn/archives/44</guid>
		<description><![CDATA[phpMyAdmin的安装步骤
&#160;&#160;&#160;&#160;&#160; 安装phpMyAdmin-2.11.0-all-languages-utf-8-only.tar.bz2之后，并不能立刻应用，具体步骤如下： 
   第一步：配置phpMyAdmin     &#160;&#160;&#160; cd phpMyAdmin-2.11.0     &#160;&#160;&#160; mv config.sample.inc.php<a href="http://yaron.org.cn/archives/44" class="searchmore">Read the Rest...</a><div class="clr"></div>]]></description>
			<content:encoded><![CDATA[<h5>phpMyAdmin的安装步骤</h5>
<p>&#160;&#160;&#160;&#160;&#160; 安装phpMyAdmin-2.11.0-all-languages-utf-8-only.tar.bz2之后，并不能立刻应用，具体步骤如下： </p>
<p><span id="more-44"></span>   <br />第一步：配置phpMyAdmin     <br />&#160;&#160;&#160; cd phpMyAdmin-2.11.0     <br />&#160;&#160;&#160; mv config.sample.inc.php _bak_config.sample.inc.php     <br />&#160;&#160;&#160; #该命令就是把软件自带的配置文件屏蔽掉     <br />从Documentation.txt拷贝如下内容到config.inc.php文件（自己动手创建）中：&#160;</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
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</pre></td><td class="code"><pre class="php" style="font-family:monospace;"><span style="color: #000088;">$cfg</span><span style="color: #009900;">&#91;</span><span style="color: #0000ff;">'blowfish_secret'</span><span style="color: #009900;">&#93;</span> <span style="color: #339933;">=</span> <span style="color: #0000ff;">'ba17c1ec07d65003'</span><span style="color: #339933;">;</span>  
<span style="color: #666666; font-style: italic;">// use here a value of your choice</span>
<span style="color: #000088;">$i</span><span style="color: #339933;">=</span><span style="color: #cc66cc;">0</span><span style="color: #339933;">;</span>
<span style="color: #000088;">$i</span><span style="color: #339933;">++;</span>
<span style="color: #000088;">$cfg</span><span style="color: #009900;">&#91;</span><span style="color: #0000ff;">'Servers'</span><span style="color: #009900;">&#93;</span><span style="color: #009900;">&#91;</span><span style="color: #000088;">$i</span><span style="color: #009900;">&#93;</span><span style="color: #009900;">&#91;</span><span style="color: #0000ff;">'auth_type'</span><span style="color: #009900;">&#93;</span>     <span style="color: #339933;">=</span> <span style="color: #0000ff;">'cookie'</span><span style="color: #339933;">;</span></pre></td></tr></table></div>

<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160; Or, if you prefer to not be prompted every time you log in:</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
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</pre></td><td class="code"><pre class="php" style="font-family:monospace;"><span style="color: #000088;">$i</span><span style="color: #339933;">=</span><span style="color: #cc66cc;">0</span><span style="color: #339933;">;</span>
<span style="color: #000088;">$i</span><span style="color: #339933;">++;</span>
<span style="color: #000088;">$cfg</span><span style="color: #009900;">&#91;</span><span style="color: #0000ff;">'Servers'</span><span style="color: #009900;">&#93;</span><span style="color: #009900;">&#91;</span><span style="color: #000088;">$i</span><span style="color: #009900;">&#93;</span><span style="color: #009900;">&#91;</span><span style="color: #0000ff;">'user'</span><span style="color: #009900;">&#93;</span>          <span style="color: #339933;">=</span> <span style="color: #0000ff;">'root'</span><span style="color: #339933;">;</span>
<span style="color: #666666; font-style: italic;">// 这是你登录phpMyAdmin时的帐户</span>
<span style="color: #000088;">$cfg</span><span style="color: #009900;">&#91;</span><span style="color: #0000ff;">'Servers'</span><span style="color: #009900;">&#93;</span><span style="color: #009900;">&#91;</span><span style="color: #000088;">$i</span><span style="color: #009900;">&#93;</span><span style="color: #009900;">&#91;</span><span style="color: #0000ff;">'password'</span><span style="color: #009900;">&#93;</span>      <span style="color: #339933;">=</span> <span style="color: #0000ff;">'cbb74bc'</span><span style="color: #339933;">;</span> 
<span style="color: #666666; font-style: italic;">// 这是你登录phpMyAdmin时的密码，注意把字符串cbb74bc用你的密码替换掉</span>
<span style="color: #666666; font-style: italic;">// use here your passord</span></pre></td></tr></table></div>

<p>注：将红色字体显示的cookie用http替换掉。 </p>
<p>&#160;&#160;&#160; 第二步：修改phpMyAdmin的外部环境 </p>
<p>&#160;&#160;&#160; mv phpMyAdmin-2.11.0-all-languages-utf-8-only /usr/local/src/phpMyAdmin </p>
<p>&#160;&#160;&#160; vi /etc/httpd.conf </p>
<p>&#160;&#160;&#160; 添加如下内容： </p>
<p>&#160;&#160;&#160; Alias /phpmyadmin/ &quot;/usr/local/src/phpMyAdmin/&quot; </p>
<p>&#160;&#160;&#160; &lt;Directory &quot;/usr/local/src/phpMyAdmin/&quot;&gt; </p>
<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; AllowOverride None </p>
<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Options None </p>
<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Order allow,deny </p>
<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Allow from all </p>
<p>&#160;&#160;&#160; &lt;/Directory&gt; </p>
<p>注：这是在apache中作一个别名</p>
<h5><font color="#ff0000">问题</font></h5>
<p>&#160;&#160;&#160;&#160;&#160; 当我们打开<a href="http://localhost/phpmyadmin/">http://localhost/phpmyadmin/</a>的时候，会有如下提示： </p>
<p>没有发现 PHP 的扩展设置mbstring， 而当前系统好像在使用宽字符集。没有 mbstring扩展的phpMyAdmin 不能正确识别字符串，可能产生不可意料的结果. </p>
<p>处理方法： </p>
<p>vi /usr/local/lib/php.ini </p>
<p>把 ;extension=php_mbstring.dll选项前的分号去掉。 </p>
<p>到此结束了。可以用了呵呵，有成就感吧！！</p>
]]></content:encoded>
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		</item>
		<item>
		<title>Mysql常用命令简介以及应用实例</title>
		<link>http://yaron.org.cn/archives/40</link>
		<comments>http://yaron.org.cn/archives/40#comments</comments>
		<pubDate>Mon, 02 Mar 2009 05:42:34 +0000</pubDate>
		<dc:creator>Yaron</dc:creator>
				<category><![CDATA[MySQL基础知识]]></category>

		<guid isPermaLink="false">http://yaron.org.cn/archives/40</guid>
		<description><![CDATA[1 连接mysql
&#160;&#160;&#160; 格式： mysql -h主机地址 -u用户名 －p用户密码
   1.1 连接到本机上的MYSQL    &#160;&#160;&#160; 首先在打开DOS窗口，然后进入目录 mysqlbin，再键入命令mysql -uroot -p，回车后提示你输密码，如果刚安装好MYSQL，超级用户root是没有密码的，故直接回车即可进入到MYSQL中了，MYSQL的提示符是： <a href="http://yaron.org.cn/archives/40" class="searchmore">Read the Rest...</a><div class="clr"></div>]]></description>
			<content:encoded><![CDATA[<h5>1 连接mysql</h5>
<p>&#160;&#160;&#160; 格式： mysql -h主机地址 -u用户名 －p用户密码</p>
<p><span id="more-40"></span>   <br />1.1 连接到本机上的MYSQL    <br />&#160;&#160;&#160; 首先在打开DOS窗口，然后进入目录 mysqlbin，再键入命令mysql -uroot -p，回车后提示你输密码，如果刚安装好MYSQL，超级用户root是没有密码的，故直接回车即可进入到MYSQL中了，MYSQL的提示符是：    <br />mysql&gt;
<p>1.2 连接到远程主机上的MYSQL    <br />&#160;&#160;&#160; 假设远程主机的IP为：110.110.110.110，用户名为root,密码为abcd123。    <br />则键入命令：mysql -h110.110.110.110 -uroot -pabcd123    <br />注:u与root可以不用加空格，其它也一样</p>
<p>1.3 退出MYSQL命令    <br />&#160;&#160;&#160; exit （回车） </p>
<p>&#160;</p>
<h5>2 修改密码</h5>
<p>&#160;</p>
<p>&#160;&#160;&#160; 格式：mysqladmin -u用户名 -p旧密码 password 新密码</p>
<p>2.1 给新用户（如root）添加密码    <br />&#160;&#160;&#160; 给root加个密码ab12。首先在DOS下进入目录mysqlbin，然后键入以下命令：    <br />&#160;&#160;&#160; mysqladmin -uroot -password ab12    <br />注：因为开始时root没有密码，所以-p旧密码一项就可以省略了。 </p>
<p>2.2 修改密码    <br />&#160;&#160;&#160; 将root的密码改为djg345，命令如下：    <br />&#160;&#160;&#160; mysqladmin -uroot -pab12 password djg345</p>
<p>&#160;</p>
<h5>3 创建WEB用户并为其分配权限（grant命令）</h5>
<p>&#160;</p>
<p>格式：grant select on 数据库.* to 用户名@登录主机 identified by \&quot;密码\&quot;   <br />注：你必须首先登录到MYSQL中，以下操作都是在MYSQL的提示符下进行的，而且每个命令以分号结束。</p>
<p>3.1 增加一个用户test1密码为abc，让他可以在任何主机上登录，并对所有数据库有查询、插入、修改、删除的权限    <br />&#160;&#160;&#160; 首先用以root用户连入MYSQL，然后键入以下命令：    <br />grant select,insert,update,delete on *.* to test1@\&quot;%\&quot; Identified by \&quot;abc\&quot;;    <br />但以上增加的用户是十分危险的，你想如某个人知道test1的密码，那么他就可以在internet上的任何一台电脑上登录你的mysql数据库并对你的数据可以为所欲为了，解决办法见3.2。</p>
<p>3.2 增加一个用户test2密码为abc,让他只可以在localhost上登录，并可以对数据库mydb进行查询、插入、修改、删除的操作（localhost指本地主机，即MYSQL数据库所在的那台主机）    <br />&#160;&#160;&#160; 这样用户即使用知道 test2的密码，他也无法从internet上直接访问数据库，只能通过MYSQL主机上的web页来访问了。    <br />grant select,insert,update,delete on mydb.* to test2@localhost identified by \&quot;abc\&quot;;    <br />如果你不想test2有密码，可以再打一个命令将密码消掉。    <br />grant select,insert,update,delete on mydb.* to test2@localhost identified by \&quot;\&quot;;</p>
<p>3.3 回收权限（revoke命令）    <br />&#160;&#160;&#160; 格式：revoke privileges [(columns)] on item from username    <br />&#160;&#160;&#160; 如果创建帐户的时候用了with grant option子句，则这样撤销它以及所有其他权限：    <br />&#160;&#160;&#160; revoke all privileges，grant from user_name    <br />&#160;&#160;&#160; 注：红色标识处可以用这些词语替换，all、usage、select、insert、update、delete、index、alter、create、drop。    <br />&#160;&#160;&#160; 例如：    <br />&#160;&#160;&#160; 创建web帐户并授权:    <br />&#160;&#160;&#160; mysql&gt; grant select, insert, update, delete,index,alter,create,drop    <br />&#160;&#160;&#160; -&gt; on book.*    <br />&#160;&#160;&#160; -&gt; to Jack identified by &#8216;password&#8217;;    <br />&#160;&#160;&#160; 回收权限：    <br />&#160;&#160;&#160; mysql&gt; revoke alter, create, drop on book.* from Jack;</p>
<h5>4 操作数据库</h5>
<p> 
<p>4.1 显示数据库列表   <br />&#160;&#160;&#160; show databases;    <br />&#160;&#160;&#160; 刚开始时才两个数据库：mysql和test。mysql库很重要它里面有MYSQL的系统信息，我们改密码和新增用户，实际上就是用这个库进行操作。    <br />4.2 显示库中的数据表    <br />&#160;&#160;&#160; use books； //使用数据库名称为books的数据库    <br />&#160;&#160;&#160; show tables; //展示数据库books中的数据表    <br />4.3 显示数据表的结构    <br />&#160;&#160;&#160; describe 表名;    <br />4.4 建库    <br />&#160;&#160;&#160; create database 库名;    <br />4.5 建表    <br />&#160;&#160;&#160; use 库名；    <br />&#160;&#160;&#160; create table 表名 (字段设定列表)；    <br />4.6 删库和删表    <br />&#160;&#160;&#160; drop database 库名;    <br />&#160;&#160;&#160; drop table 表名；    <br />4.7 将表中记录清空：    <br />&#160;&#160;&#160; delete from 表名;    <br />4.8 显示表中的记录    <br />&#160;&#160;&#160; select * from 表名; </p>
<p>&#160;</p>
<h5>5 利用脚本建立数据库</h5>
<p> 
<p>&#160;&#160;&#160; 脚本my.sql内容：</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
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</pre></td><td class="code"><pre class="sql" style="font-family:monospace;"><span style="color: #993333; font-weight: bold;">DROP</span> <span style="color: #993333; font-weight: bold;">DATABASE</span> <span style="color: #993333; font-weight: bold;">IF</span> <span style="color: #993333; font-weight: bold;">EXISTS</span> school; <span style="color: #66cc66;">//</span>如果存在SCHOOL则删除 
<span style="color: #993333; font-weight: bold;">CREATE</span> <span style="color: #993333; font-weight: bold;">DATABASE</span> school; <span style="color: #66cc66;">//</span>建立库SCHOOL 
<span style="color: #993333; font-weight: bold;">USE</span> school; <span style="color: #66cc66;">//</span>打开库SCHOOL 
<span style="color: #993333; font-weight: bold;">CREATE</span> <span style="color: #993333; font-weight: bold;">TABLE</span> teacher <span style="color: #66cc66;">//</span>建立表TEACHER 
<span style="color: #66cc66;">&#40;</span>
id int<span style="color: #66cc66;">&#40;</span><span style="color: #cc66cc;">3</span><span style="color: #66cc66;">&#41;</span> <span style="color: #993333; font-weight: bold;">AUTO_INCREMENT</span> <span style="color: #993333; font-weight: bold;">NOT</span> <span style="color: #993333; font-weight: bold;">NULL</span> <span style="color: #993333; font-weight: bold;">PRIMARY</span> <span style="color: #993333; font-weight: bold;">KEY</span><span style="color: #66cc66;">,</span>
name char<span style="color: #66cc66;">&#40;</span><span style="color: #cc66cc;">10</span><span style="color: #66cc66;">&#41;</span> <span style="color: #993333; font-weight: bold;">NOT</span> <span style="color: #993333; font-weight: bold;">NULL</span><span style="color: #66cc66;">,</span>
address varchar<span style="color: #66cc66;">&#40;</span><span style="color: #cc66cc;">50</span><span style="color: #66cc66;">&#41;</span> <span style="color: #993333; font-weight: bold;">DEFAULT</span> <span style="color: #ff0000;">'深圳'</span><span style="color: #66cc66;">,</span>
year date
<span style="color: #66cc66;">&#41;</span>; <span style="color: #66cc66;">//</span>建表结束 
<span style="color: #66cc66;">//</span>以下为插入字段 
<span style="color: #993333; font-weight: bold;">INSERT</span> <span style="color: #993333; font-weight: bold;">INTO</span> teacher <span style="color: #993333; font-weight: bold;">VALUES</span><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">''</span><span style="color: #66cc66;">,</span><span style="color: #ff0000;">'glchengang'</span><span style="color: #66cc66;">,</span><span style="color: #ff0000;">'深圳一中'</span><span style="color: #66cc66;">,</span><span style="color: #ff0000;">'1976-10-10'</span><span style="color: #66cc66;">&#41;</span>;
<span style="color: #993333; font-weight: bold;">INSERT</span> <span style="color: #993333; font-weight: bold;">INTO</span> teacher <span style="color: #993333; font-weight: bold;">VALUES</span><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">''</span><span style="color: #66cc66;">,</span><span style="color: #ff0000;">'jack'</span><span style="color: #66cc66;">,</span><span style="color: #ff0000;">'深圳一中'</span><span style="color: #66cc66;">,</span><span style="color: #ff0000;">'1975-12-23'</span><span style="color: #66cc66;">&#41;</span>;</pre></td></tr></table></div>

<p>在命令行中输入以下命令：<br />
  <br />#mysql -uroot -p密码 &lt; my.sql</p>
<p>如果成功，空出一行无任何显示；如有错误，会有提示。（以上命令已经调试，你只要将//的注释去掉即可使用）。 </p>
<p></p>
<h5>6 将文本数据转到数据库中</h5>
<p></p>
<p>6.1 文本数据应符合的格式<br />
  <br />&#160;&#160;&#160; 字段数据之间用tab键隔开，null值用\\n来代替</p>
<p>&#160;&#160;&#160; 例：</p>
<p>&#160;&#160;&#160;&#160;&#160; 3 rose 深圳二中 1976-10-10</p>
<p>&#160;&#160;&#160;&#160;&#160; 4 mike 深圳一中 1975-12-23</p>
<p>
  <br />6.2 数据传入命令</p>
<p>&#160;&#160; load data local infile \&quot;文件名\&quot; into table 表名;</p>
<p>注：先用use命令打表所在的库。</p>
<p></p>
<h5>7 备份数据库</h5>
<p>
  <br />&#160;&#160;&#160; mysqldump &#8211;opt school&gt;school.bbb</p>
<p>&#160;&#160;&#160; 注:将数据库school备份到school.bbb文件，school.bbb是一个文本文件，文件名任取。</p>
<p>相关链接：</p>
<p>教你使用MySQL：MySQL常用命令一览&#160; http://www.phpchina.com/viewnews_1173.html</p>
<p>&#160;&#160;&#160; PHP和MYSQL Web开发（原书第3版）&#160;&#160; P165-P166</p>
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		<title>Mysql问题集锦&#8212;&#8212;freebsd环境</title>
		<link>http://yaron.org.cn/archives/38</link>
		<comments>http://yaron.org.cn/archives/38#comments</comments>
		<pubDate>Mon, 02 Mar 2009 05:32:55 +0000</pubDate>
		<dc:creator>Yaron</dc:creator>
				<category><![CDATA[MySQL基础知识]]></category>

		<guid isPermaLink="false">http://yaron.org.cn/archives/38</guid>
		<description><![CDATA[1 修改root用户的密码时出现错误：
# mysqladmin -uroot -p password &#8216;newpassword&#8217;
 
Enter password:   mysqladmin: connect to server at &#8216;localhost&#8217; failed  <a href="http://yaron.org.cn/archives/38" class="searchmore">Read the Rest...</a><div class="clr"></div>]]></description>
			<content:encoded><![CDATA[<h5>1 修改root用户的密码时出现错误：</h5>
<p># mysqladmin -uroot -p password &#8216;newpassword&#8217;</p>
<p> <span id="more-38"></span>
<p>Enter password:   <br />mysqladmin: connect to server at &#8216;localhost&#8217; failed    <br /><font color="#ff0000">error: &#8216;Access denied for user &#8216;root&#8217;@'localhost&#8217; (using password: YES)&#8217;     <br /></font>解决方案    <br /># /etc/init.d/mysql stop    <br /># mysqld_safe &#8211;user=mysql &#8211;skip-grant-tables &#8211;skip-networking &amp;    <br /># mysql -u root mysql    <br />mysql&gt; UPDATE user SET Password=PASSWORD(&#8216;newpassword&#8217;) where USER=&#8217;root&#8217;;    <br />mysql&gt; FLUSH PRIVILEGES;    <br />mysql&gt; quit    <br /># /etc/init.d/mysql restart    <br /># mysql -uroot -p    <br />Enter password: &lt;输入新设的密码newpassword&gt;    <br />mysql&gt;    <br />问题解决哈！</p>
<h5>2 启动Mysql时失败</h5>
<p>&#160;&#160;&#160; 提示<font color="#ff0000">Can’t connect to local MySQL server through socket</font></p>
<p><strong>首先确定配置文件</strong></p>
<p>cp /usr/local/share/mysql/my-large.cnf /usr/local/etc/my.cnf</p>
<p><strong>其次安装数据库</strong></p>
<p>mysql_install_db -u mysql</p>
<p><strong>然后更改数据库目录权限</strong></p>
<p>chown -R mysql:mysql /var/db/mysql</p>
<p><strong>再次安装数据库文件</strong></p>
<p>mysql_install_db -u mysql</p>
<p><strong>最后启动mysql</strong></p>
<p>mysqld_safe -u mysql&amp;</p>
<p><strong>完成！！</strong></p>
<h5>附录：</h5>
<p>转载：http://pchome.blog.enorth.com.cn/article/221219.shtml</p>
<p>没有进行test。</p>
<p>启动mysql 报错：</p>
<p>ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’ (2)</p>
<p>1、先查看 /etc/rc.d/init.d/mysqld status 看看m y s q l 是否已经启动.   <br />另外看看是不是权限问题.</p>
<p>2、确定你的mysql.sock是不是在那个位置，   <br />mysql -u 你的mysql用户名 -p -S /var/lib/mysql/mysql.sock</p>
<p>3、试试：service mysqld start</p>
<p>4、如果是权限问题，则先改变权限 #chown -R mysql:mysql /var/lib/mysql</p>
<p>[root@localhost ~]# /etc/init.d/mysqld start   <br />启动 MySQL： [ 确定 ]    <br />[root@localhost ~]# mysql -uroot -p</p>
<p>ERROR 2002 (HY000): Can&#8217;t connect to local <a href="http://blog.chinaunix.net/"><u><strong>MySQL</strong></u></a> server through socket &#8216;/var/lib/mysql/mysql.sock&#8217; (2)    <br />原因是，/var/lib/mysql 的访问权限问题。    <br />shell&gt; chown -R mysql:mysql /var/lib/mysql    <br />接着启动服务器    <br />shell&gt; /etc/init.d/mysql start    <br />服务器正常启动后察看 /var/lib/mysql 自动生成mysql.sock文件。    <br />但是我的问题仍然没有得到解决。    <br />问题终于解决：    <br />方法：&#160;&#160;&#160; 修改/etc/my.conf:    <br />[mysqld]     <br />datadir=/usr/local/mysql/data     <br />socket=/var/lib/mysql/mysql.sock     <br />[mysql.server]     <br />user=mysql     <br />basedir=/usr/local/mysql </p>
<p>If there is not currently a section called [client], add one at the bottom of the file and copy the socket= line under the [mysqld] section such as: </p>
<p>[client]    <br />socket=/var/lib/mysql/mysql.sock</p>
<p>发现依旧如此，运行/etc/init.d/mysql start报错：&#160;&#160;&#160; Starting MySQLCouldn&#8217;t find MySQL manager or server    <br />是mysqld服务没启，运行/usr/local/mysql/bin/mysqld_safe &amp;    <br />问题解决。</p>
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