• C#简易日志输出


    精简版:

            public static void WriteLog(string message, string group = "")
            {
                var logPath = System.IO.Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "error-log");
                if (!System.IO.Directory.Exists(logPath)) { System.IO.Directory.CreateDirectory(logPath); }
                if (System.IO.File.Exists(logPath + "off.log")) { return; }
                var fileName = System.DateTime.Now.ToString("yyyy-MM-dd") + ".log";
                if (string.IsNullOrEmpty(group)) { group = "default"; } else { fileName = string.Concat(group, "-", fileName); }
                fileName = System.IO.Path.Combine(logPath, fileName);
                var sw = new System.IO.StreamWriter(fileName, true) { AutoFlush = true };
                var head = "[START]======[Group:" + group + "]======[Time:" + System.DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.FFF") + "]======" + "
    
    ";
                var content = "[LOG]:" + message + "
    
    ";
                var foot = "[END]======[Group:" + group + "]======
    
    ";
                var msg = head + content + foot;
                sw.Write(msg);
                sw.Close();
            }
    
    • message - 日志信息;
    • group -(可选参数)对日志进行分组,默认分组是以当前的日志命名的日志文件,如果此参数有值,则会在文件名前面加上group值,比如,group = "group" , 默认:2017-07-24.log , 含有组名:group-2017-07-24.log

    另外,在调试完成后,如果不想删除以前的日志代码,然后不想新增日志,在error-log文件夹里面添加名称为 off.log 的文件即可

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  • 原文地址:https://www.cnblogs.com/DHclly/p/6869156.html
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