Serilog:如何在配置文件中指定过滤器表达式 [英] Serilog : how do you specify a filter expression in config file

问题描述

我正在尝试在 appsettings .json 文件中指定此过滤器

I am trying to specify this filter in the appsettings .json file

.Filter.ByExcluding(Matching.FromSource("Microsoft.AspNetCore.Hosting.Internal.WebHost"))

上述语法在 c# 中指定时有效

The above syntax works when specified in c#

但是尝试在 json 文件中指定相同的内容不起作用.

But trying to specify the same in a json file does not work.

"Filter": [
{
"Name": "ByExcluding",
"Args": {
"expression": "Matching.FromSource = 'Microsoft.AspNetCore.Hosting.Internal.WebHost'"
}
}

推荐答案

您需要使用 Serilog.Filters.Expressions:

Install-Package Serilog.Filters.Expressions

appsettings.json 中的过滤器部分如下所示:

The filter section in appsettings.json looks like:

"Filter": [
  {
    "Name": "ByExcluding",
    "Args": {
      "expression": "SourceContext = 'Microsoft.AspNetCore.Hosting.Internal.WebHost'"
    }
  }
],

在这种特定情况下，我建议考虑级别覆盖作为更有效地关闭特定命名空间的替代方法.

In this specific case, I'd suggest considering level overrides as an alternative that will turn off a specific namespace more efficiently.

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