日期:2014-05-18 浏览次数:20504 次
StreamWriter sr;
sr = File.CreateText(Server.MapPath(str) + "\\" + DropDownList1.SelectedValue + "\\" + name + ".txt");
sr.WriteLine("写入数据1");
sr.Close();
using (StreamWriter sw = File.AppendText(Request.PhysicalApplicationPath +"\\" + "a.txt"))
sw.WriteLine("写入数据");
using System;
using System.IO;
class Test
{
public static void Main()
{
string path = @"c:\temp\MyTest.txt";
// This text is added only once to the file.
if (!File.Exists(path))
{
// Create a file to write to.
using (StreamWriter sw = File.CreateText(path))
{
sw.WriteLine("Hello");
sw.WriteLine("And");
sw.WriteLine("Welcome");
}
}
// This text is always added, making the file longer over time
// if it is not deleted.
using (StreamWriter sw = File.AppendText(path))
{
sw.WriteLine("This");
sw.WriteLine("is Extra");
sw.WriteLine("Text");
}
// Open the file to read from.
using (StreamReader sr = File.OpenText(path))
{
string s = "";
while ((s = sr.ReadLine()) != null)
{
Console.WriteLine(s);
}
}
}
}
------解决方案--------------------
虚拟机 IIS的权限有 写入的权限吗?、 IIS 右键 文件夹 -》 读取 ,写入 打勾
------解决方案--------------------
你要在iis目录下有生成文件的权限。就要有写入的权限