C#读写txt文件操作方法大全
啥也不说了,直接上代码。
//按行读取txt文件
string[] contents = File.ReadAllLines("E:\\345.txt");
foreach (string i in contents)
{
textBox2.Text = textBox2.Text + i + "\r\n";
listBox1.Items.Add(i);
}
//按行把字符串写入到txt文件,并追加到文件尾
using (StreamWriter sw = File.AppendText("E:\\345.txt"))
{
sw.WriteLine("This");
sw.WriteLine("is Extra");
sw.WriteLine("Text");
}