学步园

// 读文件<br /> public TextWriter w;<br /> // 写文件<br /> public TextReader r;<br /> // 读文本文件<br /> private void button1_Click(object sender, System.EventArgs e)<br /> {<br /> if(openFileDialog1.ShowDialog() == DialogResult.OK)<br /> {<br /> textBox1.Text = openFileDialog1.FileName;<br /> r = new StreamReader(openFileDialog1.FileName, System.Text.Encoding.Default, false, 512);//用当前默认的编码方式读取，否则将会出现乱码；<br /> richTextBox1.Text = r.ReadToEnd();<br /> r.Close();<br /> }<br /> }<br /> // 写文本文件<br /> private void button2_Click(object sender, System.EventArgs e)<br /> {<br /> if(saveFileDialog1.ShowDialog() == DialogResult.OK)<br /> {<br /> textBox1.Text = saveFileDialog1.FileName;<br /> w = new StreamWriter(saveFileDialog1.FileName, false,System.Text.Encoding.Default , 512);<br /> w.Write(richTextBox1.Text);<br /> w.Flush();<br /> w.Close();<br /> }<br /> }