string date = DateTime.Now.ToString("yyyy-MM-dd");
string rootPath = System.Environment.CurrentDirectory;
//string folderPath = rootPath + @"\Logs";
string folderPath = @"D:\\Logs";
string logPath = folderPath + "\\" + date + @".txt";
if (!Directory.Exists(folderPath))
{
Directory.CreateDirectory(folderPath);
}
if (!File.Exists(logPath))
{
File.Create(logPath);
}
FileStream fileStream = new FileStream(logPath, FileMode.Append);
StreamWriter writer = new StreamWriter(fileStream);
string currentTime = DateTime.Now.ToString();
writer.WriteLine("【" + currentTime + "】：" + str);
writer.Dispose();
writer.Close();
fileStream.Dispose();
fileStream.Close();
转载于:https://www.cnblogs.com/shenchao/p/3915018.html
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