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关于NLog在.NET CORE下如何进行日志的持久化及通过邮件发送日志

2021-09-04 16:35:00 作者：互联网

配置过程

安装NLog

通过Nuget进行集成(NuGet Gallery | NLog.Web.AspNetCore 4.14.0)

通过命令行安装 Install-Package NLog.Web.AspNetCore -Version 4.14.0

通过可视化管理工具查找并安装 NLog.Web.AspNetCore

修改Program.cs

public static IHostBuilder CreateHostBuilder(string[] args) =>
        Host.CreateDefaultBuilder(args)
            .ConfigureLogging((context, builder) =>
            {
                // 适配原来的Log配置
                builder.AddConfiguration(context.Configuration.GetSection("Logging"));
                builder.AddConsole();
                builder.AddDebug();
                builder.AddEventSourceLogger();
                // 以下关键配置
                builder.AddNLogWeb();
                builder.AddNLog();
                // 关键配置结束
            })
            .ConfigureWebHostDefaults(webBuilder =>
            {
                webBuilder.UseUrls("http://*:5000");
                webBuilder.UseStartup<Startup>();
            });

配置Startup.cs

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    ......
    
    // 在UseEndpoints之前增加如下增加对部分 Layout renderers 的支持
    app.Use(async (context, next) => {
        context.Request.EnableBuffering();
        await next();
    });
    
    ......
}

增加NLog.config

注意此文件配置为复制到输出目录

每一项的配置可以参考下方的NLog配置项

<?xml version="1.0" encoding="utf-8"?>

<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      autoReload="true"
      throwConfigExceptions="true">

    <targets>
        <!-- 文件持久化 -->
        <target name="f1" xsi:type="File"
                layout="PROJECT:${iis-site-name}${newline}
REQUEST:${newline}
${aspnet-request-method} ${aspnet-request-url}${newline}
QUERYSTRING:${newline}
${aspnet-request-querystring}${newline}
HEADERS:${newline}
${aspnet-request-headers}${newline}
FORM:${newline}
${aspnet-request-form}${newline}
POSTED-BODY:${newline}
${aspnet-request-posted-body}${newline}
COOKIE:${newline}
${aspnet-request-cookie}${newline}${newline}
${longdate}|${uppercase:${level}}|${logger}${newline}${newline}
${message}${newline}${newline}
${exception:format=ToString}"
                fileName="Logs\nlog-all-${shortdate}.log" />
        <!-- 邮件支持 -->
        <target xsi:type="Mail"
                name="m1"
                html="true"
                replaceNewlineWithBrTagInHtml="true"
                addNewLines="true"
                subject="发送邮件主题：[测试项目][${level}]${message}"
                to="接收人邮箱"
                from="发送人邮箱"
                body="PROJECT:${iis-site-name}${newline}
REQUEST:${newline}
${aspnet-request-method} ${aspnet-request-url}${newline}
QUERYSTRING:${newline}
${aspnet-request-querystring}${newline}
HEADERS:${newline}
${aspnet-request-headers}${newline}
FORM:${newline}
${aspnet-request-form}${newline}
POSTED-BODY:${newline}
${aspnet-request-posted-body}${newline}
COOKIE:${newline}
${aspnet-request-cookie}${newline}${newline}
${longdate}|${uppercase:${level}}|${logger}${newline}${newline}
${message}${newline}${newline}
${exception:format=ToString}"
                smtpUserName="发送人账号"
                enableSsl="true"
                smtpPassword="发送人密码"
                smtpAuthentication="Basic"
                smtpServer="发送邮箱的smtp"
                smtpPort="发送邮箱的smtp端口" />

    </targets>

    <rules>
        <logger name="*" minlevel="Error" writeTo="f1" />
        <logger name="*" minlevel="Error" maxlevel="Error" writeTo="m1" />
    </rules>
</nlog>

关于NLog在.NET CORE下如何进行日志的持久化及通过邮件发送日志

配置过程

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