Linq中的Find方法

小鱼儿 2022-08-12 17:59 209阅读 0赞

详细参考SMDN: [http://msdn.microsoft.com/zh-cn/library/x0b5b5bc.aspx][http_msdn.microsoft.com_zh-cn_library_x0b5b5bc.aspx]

下表描述了为查找方法提供的示例。

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 <th style="border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(99,99,99); font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; background-color:rgb(237,237,237)"> 方法 </th> 
 <th style="border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(99,99,99); font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; background-color:rgb(237,237,237)"> 示例 </th> 
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 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> Find(Predicate&lt;T&gt;) </td> 
 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> 使用&nbsp;IDToFind&nbsp;谓词委托，按 ID 来查找书。 C# 示例使用匿名委托。 </td> 
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 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> <a href="http://msdn.microsoft.com/zh-cn/library/fh1w7y8z.aspx" style="text-decoration:none; color:rgb(3,105,122)" rel="nofollow">FindAll(Predicate&lt;T&gt;)</a> </td> 
 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> 使用&nbsp;FindComputer&nbsp;谓词委托来查找其&nbsp;Genre&nbsp;属性是“Computer”的所有书。 </td> 
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 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> <a href="http://msdn.microsoft.com/zh-cn/library/5kthb929.aspx" style="text-decoration:none; color:rgb(3,105,122)" rel="nofollow">FindLast(Predicate&lt;T&gt;)</a> </td> 
 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> 使用&nbsp;PubBefore2001&nbsp;谓词委托在发布日期早于 2001 的集合中查找最后一本书。 C# 示例使用匿名委托。 </td> 
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 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> <a href="http://msdn.microsoft.com/zh-cn/library/x1xzf2ca.aspx" style="text-decoration:none; color:rgb(3,105,122)" rel="nofollow">FindIndex(Predicate&lt;T&gt;)</a> </td> 
 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> 使用&nbsp;FindComputer&nbsp;谓词委托来查找第一本计算机书的索引。 </td> 
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 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> <a href="http://msdn.microsoft.com/zh-cn/library/xzs5503w.aspx" style="text-decoration:none; color:rgb(3,105,122)" rel="nofollow">FindLastIndex(Predicate&lt;T&gt;)</a> </td> 
 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> 使用&nbsp;FindComputer&nbsp;谓词委托来查找最后一本计算机书的索引。 </td> 
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 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> <a href="http://msdn.microsoft.com/zh-cn/library/7eb596wz.aspx" style="text-decoration:none; color:rgb(3,105,122)" rel="nofollow">FindIndex(Int32, Int32, Predicate&lt;T&gt;)</a> </td> 
 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> 使用&nbsp;FindComputer&nbsp;谓词委托在集合的后半部分中查找第一本计算机书的索引。 </td> 
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 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> <a href="http://msdn.microsoft.com/zh-cn/library/860a771k.aspx" style="text-decoration:none; color:rgb(3,105,122)" rel="nofollow">FindLastIndex(Int32, Int32, Predicate&lt;T&gt;)</a> </td> 
 <td style="font-family:'Microsoft YaHei UI','Microsoft YaHei',SimSun,'Segoe UI','Lucida Grande',Verdana,Arial,Helvetica,sans-serif!important; border:1px solid rgb(187,187,187); margin:10px; padding:10px 8px; color:rgb(42,42,42); vertical-align:top"> 使用&nbsp;FindComputer&nbsp;谓词委托在集合的后半部分中查找最后一本计算机书的索引。 </td> 
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[http_msdn.microsoft.com_zh-cn_library_x0b5b5bc.aspx]: http://msdn.microsoft.com/zh-cn/library/x0b5b5bc.aspx