我试图与定义使用log4net的来自于这个帖子:log4net config SqLite in codelog4net的创建sqlite的分贝,但不写它
我那里使用静态类(减去测试方法):
namespace My_App.Logging {
public class SqLiteLogging {
public static class SqLiteAppender {
public static IAppender GetSqliteAppender(string dbFilename) {
var dbFile = new FileInfo(dbFilename);
if (!dbFile.Exists) {
CreateLogDb(dbFile);
}
var appender = new AdoNetAppender {
ConnectionType = "System.Data.SQLite.SQLiteConnection, System.Data.SQLite",
ConnectionString = $"Data Source={dbFilename};Version=3;",
CommandText =
"INSERT INTO Log (Date, Level, Logger, Message) VALUES (@Date, @Level, @Logger, @Message)"
};
appender.AddParameter(new AdoNetAppenderParameter {
ParameterName = "@Date",
DbType = DbType.DateTime,
Layout = new RawTimeStampLayout()
});
appender.AddParameter(new AdoNetAppenderParameter {
ParameterName = "@Level",
DbType = DbType.String,
Layout = new Layout2RawLayoutAdapter(new PatternLayout("%level"))
});
appender.AddParameter(new AdoNetAppenderParameter {
ParameterName = "@Logger",
DbType = DbType.String,
Layout = new Layout2RawLayoutAdapter(new PatternLayout("%logger"))
});
appender.AddParameter(new AdoNetAppenderParameter {
ParameterName = "@Message",
DbType = DbType.String,
Layout = new Layout2RawLayoutAdapter(new PatternLayout("%message"))
});
appender.Threshold = log4net.Core.Level.All;
appender.BufferSize = 1;
appender.ActivateOptions();
return appender;
}
public static void CreateLogDb(FileInfo file) {
using (var conn = new SQLiteConnection()) {
conn.ConnectionString = $"Data Source={file.FullName};New=True;Compress=True;Synchronous=Off";
conn.Open();
using (var cmd = conn.CreateCommand()) {
cmd.CommandText = @"
CREATE TABLE IF NOT EXISTS Log(
LogId INTEGER PRIMARY KEY,
Date DATETIME NOT NULL,
Level VARCHAR(50) NOT NULL,
Logger VARCHAR(255) NOT NULL,
Message TEXT DEFAULT NULL
);
";
cmd.ExecuteNonQuery();
}
conn.Close();
}
}
}
}
}
我呼吁在ActionResult
法测井方法在我Home
观点:
namespace My_App.Controllers {
public class HomeController : Controller {
private static ILog _log;
public ActionResult Index() {
var dbFile = AppDomain.CurrentDomain.GetData("DataDirectory") + "/log4net.sqlite";
BasicConfigurator.Configure(SqLiteLogging.SqLiteAppender.GetSqliteAppender(dbFile));
_log = LogManager.GetLogger(typeof(HomeController));
_log.Info("Hello there");
return View();
}
...
在应用程序的创建SQLite的分贝dir但是没有插入任何日志写入。据我所知,使用调试器,没有什么是抛出错误。
我见过有关给IIS'用户'写数据库的db目录的其他文章,但它显然有创建的权限。
想法?
编辑我修改了SqLiteAppender
方法以反映当前的工作条件。首先,根据以下建议,我添加了appender.BufferSize = 1;
,然后我更改了与“消息”字段关联的布局。由于某些原因,Layout2RawLayoutAdapter
版本比我原来的版本更好。
为log4net启用跟踪输出,并看到它抱怨没有定义RepositoryAttribute。将尝试 –
设置RepositoryAttribute没有任何用处,或者我不明白这一点。我将阈值级别设置为All,但似乎也没有做任何事 –
有一点需要注意的是,在创建数据库和配置log4net时,连接字符串的区别在于:您可以使用“FileInfo.Fullname”创建,但只能使用配置时的'dbFilename'字符串。可能值得尝试在log4net连接字符串中将'{dbFilename}'更改为'{dbFile.Fullname}'。 – Filburt