我在IIS7中使用URL重写功能来转换URL:
/main.asp?category=Name_Of_A_Product
成:
/category/name-of-a-product/
我已经创建了下面的重定向和重写规则,除了我找不到用连字符替换下划线的方法之外,大多数工作都是如此。
每个URL可以有零和多个下划线,我试图在一个正则表达式中替换它们,以避免301重定向链(因为我认为这对SEO不好)。
你知道怎么做(或者是否可以)吗?
<rule name="Redirect REAL to FRIEDNLY" enabled="true" stopProcessing="true">
<match url="^main\.asp$" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="false">
<add input="{REQUEST_METHOD}" pattern="^POST$" negate="true" />
<add input="{QUERY_STRING}" pattern="^category=([^=&]+)($|&(.*))$" />
</conditions>
<action type="Redirect" url="category/{ToLower:{C:1}}/" appendQueryString="false" />
</rule>
<rule name="Rewrite FRIEDNLY to REAL" stopProcessing="false">
<match url="^category/([^/]+)/?$" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="false">
<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
</conditions>
<action type="Rewrite" url="main.asp?category={R:1}" />
</rule>
不幸的是IIS7有一些限制:
C:1
... C:9
ToLower
因此,您将被限制为最多由最多8个下划线分隔的9个单词的URL(例如,/main.asp?category=One_Two_Three_Four_Five_Six_Seven_Eight_Nine
),并且您将被迫使用9个重写规则:
单个词:/main.asp?category=Product
<rule name="Redirect REAL to FRIEDNLY 1" enabled="true" stopProcessing="true">
<match url="^main\.asp$" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="false">
<add input="{REQUEST_METHOD}" pattern="^POST$" negate="true" />
<add input="{QUERY_STRING}" pattern="^category=([A-Za-z]+)$" />
</conditions>
<action type="Redirect" url="category/{ToLower:{C:1}}/" appendQueryString="false" />
</rule>
两个词:/main.asp?category = Some_Product
<rule name="Redirect REAL to FRIEDNLY 2" enabled="true" stopProcessing="true">
<match url="^main\.asp$" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="false">
<add input="{REQUEST_METHOD}" pattern="^POST$" negate="true" />
<add input="{QUERY_STRING}" pattern="^category=([A-Za-z]+)_([A-Za-z]+)$" />
</conditions>
<action type="Redirect" url="category/{ToLower:{C:1}}-{ToLower:{C:2}}/" appendQueryString="false" />
</rule>
三个字:/main.asp?category=Some_New_Product
<rule name="Redirect REAL to FRIEDNLY 3" enabled="true" stopProcessing="true">
<match url="^main\.asp$" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="false">
<add input="{REQUEST_METHOD}" pattern="^POST$" negate="true" />
<add input="{QUERY_STRING}" pattern="^category=([A-Za-z]+)_([A-Za-z]+)_([A-Za-z]+)$" />
</conditions>
<action type="Redirect" url="category/{ToLower:{C:1}}-{ToLower:{C:2}}-{ToLower:{C:3}}/" appendQueryString="false" />
</rule>