/// <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)));
}
