using System;
using System.IO;
using System.Text;

namespace CB.Common
{
    public class FileUtil
    {
        /// <summary>
        /// 记录日志
        /// </summary>
        /// <param name="msg"></param>
        public static void WriteLog(string msg)
        {
            string path = AppDomain.CurrentDomain.BaseDirectory + "\\Log.txt";
            using (StreamWriter sw = new StreamWriter(path, true))
            {
                sw.WriteLine(System.DateTime.Now.ToString() + "	" + msg);
                sw.Close();
            }
        }
        /// <summary>
        /// 写入文件
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="content"></param>
        /// <param name="append">是否追加写入</param>
        public static void WriteFile(string fileName, string content, bool append = false)
        {
            using (StreamWriter sw = new StreamWriter(fileName, append, Encoding.UTF8))
            {
                sw.Write(content);
                sw.Flush();
                sw.Close();
            }
        }
        /// <summary>
        /// 读取文件内容
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="encoding"></param>
        /// <returns></returns>
        public static string ReadFile(string fileName, Encoding encoding)
        {
            string result = "";
            using (StreamReader sr = new StreamReader(fileName, encoding))
            {
                result = sr.ReadToEnd();
            }
            return result;
        }
        /// <summary>
        /// 读取文本文件
        /// </summary>
        /// <param name="filepath">文件路径</param>
        /// <returns></returns>
        public static string ReadTextFile(string filepath)
        {
            try
            {
                if (File.Exists(filepath))
                {
                    return File.ReadAllText(filepath);
                }
                else
                {
                    return "";
                }
            }
            catch //(Exception e)
            {
                return "";
            }
        }
    }
}