C#写日志（c#日志文件）

废话不多说，直接上代码：

很简单：将类复制到项目中，最后在配置文件上配置一下：logUrl即可。默认保存在：项目/temp/log

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 /// <summary> /// 日志类 /// </summary> /// <remarks>Creator: v-lxh CreateTime: 2016/7/26 11:18:09</remarks> /// <Description></Description> public class Log { /// <summary> /// 写入日志. /// </summary> /// <param name="strList">The STR list.</param> /// <remarks>Creator: v-lxh CreateTime: 2016/7/26 11:18:09</remarks> /// <Description></Description> public static void WriteLog(params object[] strList) { //判断是否开启日志模式 //if (!LogModel) return; if (strList.Count() == 0) return; //日志文件路径 string strDicPath = ""; try { strDicPath = HttpContext.Current.Server.MapPath("~/temp/log/"); if (strDicPath == null || strDicPath == "") { strDicPath = System.Configuration.ConfigurationManager.AppSettings["logUrl"] + "/temp/log/"; } } catch (Exception e) { strDicPath = System.Configuration.ConfigurationManager.AppSettings["logUrl"] + "/temp/log/"; } string strPath = strDicPath + string.Format("{0:yyyy年-MM月-dd日}", DateTime.Now) + "日志记录.txt"; if (!Directory.Exists(strDicPath)) { Directory.CreateDirectory(strDicPath); } if (!File.Exists(strPath)) { using (FileStream fs = File.Create(strPath)) { } } string str = File.ReadAllText(strPath); StringBuilder sb = new StringBuilder(); foreach (var item in strList) { sb.Append("\r\n" + DateTime.Now.ToString() + "-----" + item + ""); } File.WriteAllText(strPath, sb.ToString() + "\r\n-----z-----\r\n" + str); } }