一. 写在前面
日志系统对于任何项目都是必不可少的,无论对于测试阶段的debug,性能测试,执行时间,操作记录还是线上的问题排查,访问记录等,日志系统都扮演着重要的角色。本篇分享的目的是能帮助需要的人快速搭建自己的LogSystem.,仅供参考。 先上个图呗,自认为页面还算清爽吧:
我的LogSystem使用Log4net入库的方式,网上特别多的分享,但是能完整运行下来的真是很少,所以现在需要和以后用得上的小伙伴抓紧收藏咯。
二. Log4Net自定义内容入库
Log4Net存日志的方式,给人的感觉实在是不实用,IT行业不都求一个自动化吗?废话不说了,先上Log4net入库系统的代码。
LogSystem数据库结构,我的建议是一个项目一个表。
在Log组件中,你需要这样几个类。下面分别给出代码:
LogContent.cs,这里定义了Log实体,在实体化实体的时候,通过给构造函数传参创建好这个对象。注释很详细了
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using System;
namespace LogComponent
{
public class LogContent
{
public LogContent(string logLevel, string logMsg, string logModule, string description, string userName)
{
LogLevel = logLevel;
UserName = userName;
Description = description;
LogMsg = logMsg;
LogModule = logModule;
}
/// <summary>
/// 日志级别
/// </summary>
public string LogLevel { get; set; }
/// <summary>
/// 日志消息
/// </summary>
public string LogMsg { get; set; }
/// <summary>
/// 系统登陆用户
/// </summary>
public string UserName { get; set; }
/// <summary>
/// 日志描述信息
/// </summary>
public string Description { get; set; }
/// <summary>
/// 记录时间
/// </summary>
public DateTime LogDate { get; set; }
/// <summary>
/// 模块名称
/// </summary>
public string LogModule { get; set; }
}
}
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LogHelper.cs,定义了日志级别,和写入方法
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[assembly: log4net.Config.XmlConfigurator(Watch = true,ConfigFile = "log4net.config")]
namespace LogComponent
{
public class LogHelper
{
static log4net.ILog log = log4net.LogManager.GetLogger("myLogger");
/// <summary>
/// 异常日志
/// </summary>
/// <param name="logMsg">日志信息</param>
/// <param name="logModule">代码模块</param>
/// <param name="description">其他描述</param>
/// <param name="userName">用户名</param>
public static void LogError(string logMsg, string logModule, string description = "", string userName = "")
{
log.Error(new LogContent("Error", SubLogString(logMsg), logModule, SubLogString(description), userName));
}
public static void LogInfo(string logMsg, string logModule, string description = "", string userName = "")
{
log.Info(new LogContent("Info", SubLogString(logMsg), logModule, SubLogString(description), userName));
}
public static void LogWarn(string logMsg, string logModule, string description = "", string userName = "")
{
log.Warn(new LogContent("Warn", SubLogString(logMsg), logModule, SubLogString(description), userName));
}
public static void LogDebug(string logMsg, string logModule, string description = "", string userName = "")
{
log.Debug(new LogContent("Debug", SubLogString(logMsg), logModule, SubLogString(description), userName));
}
private static string SubLogString(string str)
{
if (str.Length > 1500)
{
return str.Substring(0, 1500);
}
return str;
}
}
}
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MessagePartternConverter.cs
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using log4net.Core;
using log4net.Layout.Pattern;
using System.IO;
using System.Reflection;
namespace LogComponent
{
class MessagePatternConverter : PatternLayoutConverter
{
protected override void Convert(TextWriter writer, LoggingEvent loggingEvent)
{
if (Option != null)
{
// Write the value for the specified key
WriteObject(writer, loggingEvent.Repository, LookupProperty(Option, loggingEvent));
}
else
{
// Write all the key value pairs
WriteDictionary(writer, loggingEvent.Repository, loggingEvent.GetProperties());
}
}
/// <summary>
/// 通过反射获取传入的日志对象的某个属性的值
/// </summary>
/// <param name="property"></param>
/// <returns></returns>
private object LookupProperty(string property, log4net.Core.LoggingEvent loggingEvent)
{
object propertyValue = string.Empty;
PropertyInfo propertyInfo = loggingEvent.MessageObject.GetType().GetProperty(property);
if (propertyInfo != null)
propertyValue = propertyInfo.GetValue(loggingEvent.MessageObject, null);
return propertyValue;
}
}
}
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MyLayout.cs
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using log4net.Layout;
namespace LogComponent
{
class MyLayout : PatternLayout
{
public MyLayout()
{
this.AddConverter("property", typeof(MessagePatternConverter));
}
}
}
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其实看到这里,最重要的并不是代码了,核心部分Log4net都帮我们写好了,关键在于你的配置,下面是log4net.config的内容。拿到你的web项目里是一样用的。但是不要忘了在你的项目中引用nuget:log4net哟。
log4net.config如下:在其中主要配置了log入库的参数和sql语句,当然还有sql连接。注释已经很详细了
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<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>
</configSections>
<log4net>
<root >
<level value="Debug"/>
<appender-ref ref="ADONetAppender"/>
</root>
<logger name="myLogger">
<level value="Debug"/>
<appender-ref ref="ADONetAppender"/>
</logger>
<appender name="ADONetAppender" type="log4net.Appender.ADONetAppender,log4net">
<!--BufferSize为缓冲区大小,只有日志记录超value条才会一块写入到数据库-->
<bufferSize value="1"/>
<!--或写为<param name="BufferSize" value="1" />-->
<!--引用-->
<connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
<!--连接数据库字符串-->
<connectionString value="Data Source=115.29.54.31;Initial Catalog=LogSystem;uid=sa;pwd=sa.;MultipleActiveResultSets=True"/>
<!--插入到表Log-->
<commandText value="INSERT INTO HdPubLog ([LogDate],[LogMsg],[UserName],[Description],[LogLevel],[LogModule]) VALUES (@log_date,@LogMsg,@UserName,@Description,@LogLevel,@LogModule)"/>
<parameter>
<parameterName value="@log_date"/>
<dbType value="DateTime"/>
<layout type="log4net.Layout.RawTimeStampLayout"/>
<!--获取log4net中提供的日志时间RawTimeStampLayout为默认的时间输出格式-->
</parameter>
<parameter>
<parameterName value="@LogMsg"/>
<dbType value="String"/>
<size value="1510"/>
<layout type="LogComponent.MyLayout, LogComponent">
<param name="ConversionPattern" value="%property{LogMsg}"/>
</layout>
</parameter>
<parameter>
<parameterName value="@UserName"/>
<dbType value="String"/>
<size value="50"/>
<layout type="LogComponent.MyLayout, LogComponent">
<param name="ConversionPattern" value="%property{UserName}"/>
</layout>
</parameter>
<parameter>
<parameterName value="@Description"/>
<dbType value="String"/>
<size value="1510"/>
<layout type="LogComponent.MyLayout, LogComponent">
<param name="ConversionPattern" value="%property{Description}"/>
</layout>
</parameter>
<parameter>
<parameterName value="@LogLevel"/>
<dbType value="String"/>
<size value="50"/>
<layout type="LogComponent.MyLayout, LogComponent">
<param name="ConversionPattern" value="%property{LogLevel}"/>
</layout>
</parameter>
<parameter>
<parameterName value="@LogModule"/>
<dbType value="String"/>
<size value="50"/>
<layout type="LogComponent.MyLayout, LogComponent">
<param name="ConversionPattern" value="%property{LogModule}"/>
</layout>
</parameter>
</appender>
</log4net>
</configuration>
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这样一来,你的配置就完成了,你可以直接测试插入的情况:
三. 把Log信息可视化
我的UI使用的是Datatables.js,弹出框是layer,日期组件好像是layDate,下拉框是修改样式后的select2。UI代码是我自己的一个框架里的,内容太多就不贴出来了,你只需要和以前一样,把数据从库里查出来,绑定给任意你喜欢的数据表格上。由于单页面的日志系统没有什么复杂操作,就用个sqlHelper查一下就算了,代码和条件拼接如下
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public class xxxDal
{
private SqlHelper _sqlHelper = new SqlHelper();
/// <summary>
/// 获取xxx的日志
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public List<LogModel> GetxxxLog(SM_LogModel model)
{
StringBuilder sql = new StringBuilder();
List<SqlParameter> sqlParameters = new List<SqlParameter>();
StringBuilder sqlWhere = new StringBuilder();
if (!string.IsNullOrWhiteSpace(model.LogStartTime))
{
sqlParameters.Add(new SqlParameter("@LogStartTime", model.LogStartTime));
sqlWhere.Append(@" AND h.LogDate > @LogStartTime");
}
if (!string.IsNullOrWhiteSpace(model.LogEndTime))
{
sqlParameters.Add(new SqlParameter("@LogEndTime", model.LogEndTime));
sqlWhere.Append(@" AND h.LogDate < @LogEndTime");
}
if (!string.IsNullOrWhiteSpace(model.LogLevel))
{
sqlParameters.Add(new SqlParameter("@LogLevel", model.LogLevel));
sqlWhere.Append(@" AND h.LogLevel = @LogLevel");
}
if (!string.IsNullOrWhiteSpace(model.LogModule))
{
sqlParameters.Add(new SqlParameter("@LogModule", model.LogModule));
sqlWhere.Append(@" AND h.LogModule = @LogModule");
}
sql.AppendFormat(@"
WITH t AS ( SELECT ROW_NUMBER() OVER ( ORDER BY id DESC ) AS IndexNum ,
[Id] ,
CONVERT(VARCHAR, [LogDate], 21) AS [LogDate] ,
[UserName] ,
SUBSTRING([Description], 0, 150) AS [Description] ,
SUBSTRING([LogMsg], 0, 200) AS [LogMsg] ,
[LogLevel] ,
[LogModule]
FROM [LogSystem].[dbo].[xxxLog] h
WHERE 1 = 1
{0}
)
SELECT *
FROM t
WHERE IndexNum > @startIndex
AND indexnum < @endIndex", sqlWhere);
sqlParameters.Add(new SqlParameter("@startIndex", model.Start));
sqlParameters.Add(new SqlParameter("@endIndex", model.Start + model.Length));
DataTable dt = _sqlHelper.ExecuteDataTable(sql.ToString(), sqlParameters.ToArray());
return DataTableTools<LogModel>.DataTableToList(dt);
}
public int GetxxxLogTotalCount(SM_LogModel model)
{
StringBuilder sql = new StringBuilder(); List<SqlParameter> sqlParameters = new List<SqlParameter>();
sql.Append(@"
SELECT COUNT(*)
FROM [HdPubLog] h where 1=1 ");
if (!string.IsNullOrWhiteSpace(model.LogStartTime))
{
sqlParameters.Add(new SqlParameter("@LogStartTime", model.LogStartTime));
sql.Append(@" AND h.LogDate > @LogStartTime");
}
if (!string.IsNullOrWhiteSpace(model.LogEndTime))
{
sqlParameters.Add(new SqlParameter("@LogEndTime", model.LogEndTime));
sql.Append(@" AND h.LogDate < @LogEndTime");
}
if (!string.IsNullOrWhiteSpace(model.LogLevel))
{
sqlParameters.Add(new SqlParameter("@LogLevel", model.LogLevel));
sql.Append(@" AND h.LogLevel = @LogLevel");
}
if (!string.IsNullOrWhiteSpace(model.LogModule))
{
sqlParameters.Add(new SqlParameter("@LogModule", model.LogModule));
sql.Append(@" AND h.LogModule = @LogModule");
}
return _sqlHelper.ExecuteScalar<int>(sql.ToString(), sqlParameters.ToArray());
}
[HttpPost]
public LogModel GetxxxxSignelLog(int id)
{
string sql = @"
SELECT [Id] ,
CONVERT(VARCHAR(30), [LogDate], 21) AS [LogDate] ,
[UserName] ,
[Description] ,
[LogMsg] ,
[LogLevel] ,
[LogModule] ,
[Id] IndexNum
FROM [LogSystem].[dbo].[xxxxLog] h
WHERE h.id = @Id";
var row = _sqlHelper.ExecuteDataRow(sql, new SqlParameter("@Id", id));
return DataTableTools<LogModel>.DataRowToModel(row);
}
}
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以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,同时也希望多多支持快网idc!
原文链接:http://www.cnblogs.com/tdws/p/6298124.html
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