初始化

BLWWS_BLL/LogHelper.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.IO;
+using System.Web;
+
+namespace BLWWS_BLL
+{
+    /// <summary>
+    /// 日志辅助类
+    /// </summary>
+    public static class LogHelper
+    {
+        public static string ExePath = HttpContext.Current.Request.PhysicalApplicationPath;
+        /// <summary>
+        /// 日志写入到批定的文件路径下
+        /// </summary>
+        /// <param name="msg"></param>
+        public static void WriteLog(string msg, string path = "")
+        {
+            if (string.IsNullOrEmpty(path))
+            {
+                path = ExePath;
+            }
+            path = path + "\\logs\\" + DateTime.Now.ToString("yyyyMMdd") + ".log";
+            msg = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + ":\t" +
+                HttpContext.Current.Request.UserHostAddress + ":" + msg + Environment.NewLine;
+            WriteLog(path, msg, true);
+        }
+        public static void WriteLogNew(string msg, string path = "")
+        {
+            if (string.IsNullOrEmpty(path))
+            {
+                path = ExePath;
+            }
+            path = path + "\\logs\\" + DateTime.Now.ToString("yyyyMMdd") + ".log";
+            msg = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + ":\t" + msg + Environment.NewLine;
+            WriteLog(path, msg, true);
+        }
+        /// <summary>
+        /// 把数据写入指定的文件里
+        /// </summary>
+        /// <param name="path">文件路径（包括文件名称）</param>
+        /// <param name="msg">写入内容</param>
+        /// <param name="append">是否追加</param>
+        public static void WriteLog(string path, string msg, bool append)
+        {
+            string folder = Path.GetDirectoryName(path);
+            if (!Directory.Exists(folder))
+            {
+                Directory.CreateDirectory(folder);
+            }
+            StreamWriter sw = null;
+            try
+            {
+                sw = new StreamWriter(path, append, Encoding.Unicode);
+                sw.WriteLine(msg);
+            }
+            catch (Exception)
+            {
+            }
+            finally
+            {
+                if (sw != null)
+                {
+                    sw.Close();
+                }
+            }
+        }
+        /// <summary>
+        /// 把数据写入指定的文件里
+        /// </summary>
+        /// <param name="path"></param>
+        /// <param name="msg"></param>
+        public static void WriteLog(string path, byte[] msg)
+        {
+            string folder = Path.GetDirectoryName(path);
+            if (!Directory.Exists(folder))
+            {
+                Directory.CreateDirectory(folder);
+            }
+            FileStream fs = null;
+            try
+            {
+                fs = new FileStream(path, FileMode.Append, FileAccess.Write);
+                fs.Write(msg, 0, msg.Length);
+            }
+            catch (Exception)
+            {
+            }
+            finally
+            {
+                if (fs != null)
+                {
+                    fs.Close();
+                }
+            }
+        }
+        /// <summary>
+        /// 读取文件内容
+        /// </summary>
+        /// <param name="path"></param>
+        /// <returns></returns>
+        public static string ReadLog(string path)
+        {
+            if (File.Exists(path))
+            {
+                StreamReader sr = null;
+                try
+                {
+                    sr = new StreamReader(path);
+                    return sr.ReadToEnd();
+                }
+                catch (Exception)
+                {
+                }
+                finally
+                {
+                    if (sr != null)
+                    {
+                        sr.Close();
+                    }
+                }
+
+            }
+            return "";
+        }
+    }
+}
+
+