/// <summary> /// 读文本文件 /// </summary> /// <param name="file"></param> /// <returns></returns> public static async Task <string> ReadAsync(string file) { if (!System.IO.File.Exists(file)) { return(string.Empty); } var fs = new FileStream(file, FileMode.Open); using var reader = new StreamReader(fs, TxtEncoder.GetEncoding(fs)); var content = await reader.ReadToEndAsync(); return(content); }
public static StreamWriter Writer(string file, bool append) { FileStream fs; if (!append) { fs = new FileStream(file, FileMode.Create, FileAccess.ReadWrite); return(new StreamWriter(fs, Encoding.UTF8)); } fs = new FileStream(file, FileMode.OpenOrCreate, FileAccess.ReadWrite); var encoding = TxtEncoder.GetEncoding(fs); fs.Seek(0, SeekOrigin.End); return(new StreamWriter(fs, encoding)); }
public static StreamReader Reader(string file) { var fs = new FileStream(file, FileMode.Open); return(new StreamReader(fs, TxtEncoder.GetEncoding(fs))); }