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我正在尝试从特定日期捕获日志文件，无论我回去多少天都没有得到任何结果。

Get-EventLog -LogName Application -EntryType Warning -Source MicrosoftDynamicsNAVClientWebClient | Select Message -ExpandProperty Message | Where { ($_.Message -match 'Shutdown') -and ($_.TimeGenerated -gt [datetime]::Today.AddDays('-1')) }

这是日志文件的列表

Message                                                     TimeGenerated                                              
-------                                                     -------------                                              
Shutdown has occurred ...                                   1/18/2017 12:01:52 AM                                      
Shutdown has occurred ...                                   1/18/2017 12:01:52 AM                                      
Shutdown has occurred ...                                   1/18/2017 12:01:52 AM                                      
Shutdown has occurred ...                                   1/16/2017 7:01:53 PM                                       
Shutdown has occurred ...                                   1/16/2017 7:01:53 PM                                       
Shutdown has occurred ...                                   1/16/2017 7:01:53 PM                                       
Shutdown has occurred ...                                   1/15/2017 2:01:39 PM                                       
Shutdown has occurred ...                                   1/15/2017 2:01:39 PM                                       
Shutdown has occurred ...                                   1/15/2017 2:01:39 PM                                       
Shutdown has occurred ...                                   1/14/2017 1:58:47 PM                                       
Shutdown has occurred ...                                   1/14/2017 1:58:47 PM                                       
Shutdown has occurred ...                                   1/14/2017 1:58:47 PM                                       
Shutdown has occurred ...                                   1/13/2017 8:58:46 AM                                       
Shutdown has occurred ...                                   1/13/2017 8:58:46 AM                                       
Shutdown has occurred ...                                   1/13/2017 8:58:46 AM                                       
Shutdown has occurred ...                                   1/12/2017 3:58:45 AM                                       
Shutdown has occurred ...                                   1/12/2017 3:58:45 AM
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1 回答 1

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您的问题是您使用Selectcmdlet 来展开Message. 因此，当您尝试过滤TimeGenerated该属性时不存在。如果您只想要消息，请在过滤后选择。

Get-EventLog -LogName Application -EntryType Warning -Source MicrosoftDynamicsNAVClientWebClient | Where { ($_.Message -match 'Shutdown') -and ($_.TimeGenerated -gt [datetime]::Today.AddDays(-1)) } | Select -ExpandProperty Message
于 2017-01-19T14:55:16.877 回答