怎么将字符串写入文本文件中

Question

private void Button1_Click(object sender, System.EventArgs e)
{
StreamWriter myText;
string fileName=TextBox2.Text;
string fileBody=TextBox3.Text;
myText=File.CreateText(fileName);
myText.Write(fileBody);
Response.Write("<font size=9>成功</font> ");

}

Answer 1

.aspx.cs
page_load{
Response.Clear();
Response.ClearHeaders();
Response.Buffer=false;
Response.ContentEncoding=System.Text.Encoding.GetEncoding("GB2312");

string httpHeader="attachment;filename="+HttpUtility.UrlEncode(strFileName+".txt");
Response.AppendHeader("Content-Disposition", httpHeader);
                     
Response.ContentType="text/text";
Response.Write(oDownloadSystem.DownloadToExcel(ds,strFileName));
Response.Flush();
Response.End();
}

Answer 2

添加引用System.IO;代码
StreamWriter sw = new StreamWriter("d:\\test\\1.txt",false,System.Text.Encoding.Default);
string s = "测试";
sw.Write(s);
sw.Close();