using System;

using System.IO;

using System.Text;

namespace Core

{

    public class LogHelper

    {

        private static void writeLog(string log)

        {

            string strFilePath = AppDomain.CurrentDomain.BaseDirectory + "logs\\log.txt";

            string strDirPath = Path.GetDirectoryName(strFilePath);

            if (!Directory.Exists(strDirPath))//Directory.Exists(dirPath)目录的路径

                Directory.CreateDirectory(strDirPath);//Directory.CreateDirectory(path)创建目录

            strFilePath = Path.Combine(strDirPath, "log" + string.Format("{0:yyyyMMdd}", DateTime.Now) + ".txt");//Path.Combine(strpath1,strpath2)

            if (!File.Exists(strFilePath))//File.Exists(path)，指定路径的文件是否存在

            {

                //FileStream fsCreate = File.Create(strFilePath);//创建路径

                FileStream fsCreate = new FileStream(strFilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite);

                fsCreate.Close();

            }

            FileStream fs = new FileStream(strFilePath, FileMode.Append,FileAccess.Write);//任何读取操作都会报异常

            StreamWriter sw = new StreamWriter(fs, Encoding.Default);

            sw.WriteLine("--------------------------------------------");

            sw.WriteLine("Timestamp: "+DateTime.Now.ToString());

            sw.WriteLine("Message: " + log);

            sw.WriteLine("--------------------------------------------");

            sw.Close();

            fs.Close();

        }

        //打印普通信息

        public static void WriteInfo(string objectName, string info)

        {

            writeLog(objectName + ":" + info);

        }

        public static void WriteInfo(string objectName, string info, int lines)

        {

            string strlines = "";

            for (int i = ; i < lines; i++)

            {

                strlines += "\r\n";

            }

            writeLog(objectName+":"+info);

            //writeLog(strlines + DateTime.Now.ToString() + " INFO " + objectName + " " + info);

        }

        //打印错误信息

        public static void WriteError(string objectName, string error)

        {

            writeLog(objectName+":"+error);

            //writeLog(DateTime.Now.ToString() + " ERROR " + objectName + " " + error);

        }

        public static void WriteError(string objectName, string error, int lines)

        {

            string strlines = "";

            for (int i = ; i < lines; i++)

            {

                strlines += "\r\n";

            }

            writeLog(objectName + ":" + error);

            //writeLog(strlines + DateTime.Now.ToString() + " ERROR " + objectName + " " + error);

        }

    }

}