Question

C# 中如何读取txt文档中的字符串并赋值给string变量

Answer 1

//加载d:\test.txt文件全部内容并赋值给字符串变量s
string s = System.IO.File.ReadAllText(@"d:\test.txt");

Answer 2

using (StreamReader sr = new StreamReader(f, Encoding.Default))
{
while (true)
{
string sLine = sr.ReadLine();
if (sLine == null)
break;
sw.WriteLine(sLine);
}
}