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	<title>柳城 &#187; BM keyword link</title>
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	<description>_SEO&#124;摄影&#124;WordPress&#124;博客</description>
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		<title>博客关键词链接插件，完美支持中文和英文关键词</title>
		<link>http://liucheng.name/574/</link>
		<comments>http://liucheng.name/574/#comments</comments>
		<pubDate>Sun, 07 Jun 2009 04:39:23 +0000</pubDate>
		<dc:creator>柳城</dc:creator>
				<category><![CDATA[WordPress]]></category>
		<category><![CDATA[每周精选]]></category>
		<category><![CDATA[BM keyword link]]></category>
		<category><![CDATA[关键词链接]]></category>
		<category><![CDATA[内链]]></category>
		<category><![CDATA[外链]]></category>

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		<description><![CDATA[在4月份时，为一个博客关键词链接插件（BM keyword link）修正了一些细节，也添加了支持中文关键词的功能。原先的发布页面看：为你的wordpress添加内链与外链的插件（完美支持中文） 。发布之后，也得到了一些关注。一直以来，反响都还是不错的，也没发现其它的Bug。<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<h3>1，前言</h3>
<p>在4月份时，为一个博客<span class='wp_keywordlink_affiliate'><a href="http://liucheng.name/tag/%e5%85%b3%e9%94%ae%e8%af%8d%e9%93%be%e6%8e%a5/" title="查看 关键词链接 中的全部文章" target="_blank">关键词链接</a></span>插件（<span class='wp_keywordlink_affiliate'><a href="http://liucheng.name/tag/bm-keyword-link/" title="查看 BM keyword link 中的全部文章" target="_blank">BM keyword link</a></span>）修正了一些细节，也添加了支持中文关键词的功能。原先的发布页面看：<a href="http://www.liucheng.name/?p=299" target="_blank">为你的wordpress添加内链与外链的插件（完美支持中文）</a> 。发布之后，也得到了一些关注。一直以来，反响都还是不错的，也没发现其它的Bug。</p>
<p>直到昨天jackly找到我，说发现了<span class='wp_keywordlink_affiliate'><a href="http://liucheng.name/tag/bm-keyword-link/" title="查看 BM keyword link 中的全部文章" target="_blank">BM keyword link</a></span>的Bug，就是容易跟其它插件有冲突，如跟<span class='wp_keywordlink'><a href="http://liucheng.name/category/wordpress/" title="WordPress">WordPress</a></span> Wiki插件就有冲突。“很简单。银河系这个词已经被WordPress Wiki这个插件定义了链接。结果keywordlink又插了一脚。在链接里加了span这些乱七八糟的。所以我觉得只要让keywordlink不干涉WordPress Wiki产生的链接就OK了。”<span id="more-574"></span></p>
<p>所以我开始试着修正这个Bug。</p>
<h3>2，过程</h3>
<p>我装上了WordPress Wiki，和BM keyword link一起启用。一开始的判断是BM keyword link里还存在Bug，就是匹配关键词时还存在问题。所以一开始修改这个，测试啊测试，还重新看了PHP的正则表达式，PHP如何匹配url/html等教程，折腾了好久，没成功。</p>
<p>只好作罢，可能是我看的正则表达式还不够多。没办法找到更好的匹配方式。试着停用了WordPress Wiki，用BM keyword link单独测试，用各种各样的条件尽力让BM keyword link出错，看那一步没匹配上。最后却发现一点问题都没。就是说BM keyword link本身的匹配关键词是没问题。</p>
<p>这倒是松了一口气，就是说纯粹是这两个插件有冲突，应该是插件执行顺序的问题。但不知执行的顺序的如何控制的。只好百度，Google搜啊搜，皇天不负有心人，原来是add_filter这个函数在作怪。呼，原来这么简单。</p>
<p>看原代码有这一行</p>
<pre>add_filter('the_content','bm_keywordlink_replace_content',1);</pre>
<p>改为：</p>
<pre>add_filter('the_content','bm_keywordlink_replace_content',10);</pre>
<p>最后一个参数改了，意思是数值越小，越早执行。改为10之后，就是让WordPress Wiki先运行，再运行BM keyword link。<span style="color: #ff0000;">这个方法应该同样适同于其它有冲突的插件</span>，试一下找add_filter这个函数，应该不会有错。add_filter的用法就去Google一下吧。</p>
<h3>3，成果</h3>
<p>名称：<strong>BM keyword link</strong><br />
作者：<a href="http://wordpress.org/extend/plugins/profile/martin" target="_blank">martin</a><br />
中文修正版：<strong><a href="http://www.liucheng.name/"><span class='wp_keywordlink'><a href="http://liucheng.name/" title="柳城博客" target="_blank">柳城博客</a></span><br />
</a></strong>发布页面：<a href="http://www.liucheng.name/?p=574">http://www.liucheng.name/?p=574</a><br />
兼容：WordPress 2.3- 2.7<br />
更新：2009-06-07<br />
描述：为你的<span class='wp_keywordlink'><a href="http://liucheng.name/category/wordpress/" title="wordpress">wordpress</a></span>博客添加关键词的链接，更多的<span class='wp_keywordlink_affiliate'><a href="http://liucheng.name/tag/sitelinks/" title="内链" target="_blank">内链</a></span>,更好的<span class='wp_keywordlink_affiliate'><a href="http://liucheng.name/" title="柳城SEO">SEO</a></span>! 给文章加上内部链接有利于增加搜索引擎收录。<br />
性能：完美支持中文和英文关键词。<br />
下载：<a href="http://liucheng.name/wp-content/uploads/blog-mechanics-keyword-link-plugin.zip" target="_blank">本地下载</a>（已更新=&gt;<a href="http://www.liucheng.name/?p=789">http://www.liucheng.name/?p=789</a>）</p>
<p><strong>安装方法：</strong><br />
1. 复制目录blog-mechanics-keyword-link-plugin到 /wp-content/plugins/（原先有安装过的请先删掉）<br />
2. 在插件管理页激活插件<br />
3. 若不再使用，直接停用或删除即可。</p>
<p><strong><span style="color: #ff0000;">2009/06/07更新：</span></strong><br />
* 解决与WordPress Wiki插件的冲突问题。（2009/06/06更新）<br />
* 汉化了部分内容。（2009/06/07更新）</p>
<p><strong>2009/04/10 更新：</strong><br />
* 解决替换关键词已有链接的问题.文章中已有的链接将不会匹配.</p>
<p><strong>2009/04/09更新：</strong><br />
1. 完美支持中文关键词链接,增加选项（For zh_CN）分别区分英文与中文关键词。勾选后也可部分匹配英文单词<br />
2. 修正编辑中文关键词时乱码问题。*注意,这里去掉了原作者对关键词的加密与解密,因为此功能只对英文有效,中文导致乱码。<br />
3. 修正导出文件时中文字符乱码问题。</p>
<p style="text-align: center;"><img class="aligncenter" title="博客关键词链接插件，完美支持中文和英文关键词" src="http://liucheng.name/wp-content/uploads/2009/04/bm-keyword-link.jpg" alt="" width="579" height="142" /></p>
<p>详细的用法请看：<a href="http://www.liucheng.name/?p=299" target="_blank">为你的wordpress添加内链与外链的插件（完美支持中文）</a></p>
<p>有其它任何问题或建议，请留言。</p>
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