我要评论本文实例为大家分享了c#读写共享文件夹的具体代码，供大家参考，具体内容如下
该试验分以下步骤：
1、在服务器设置一个共享文件夹，在这里我的服务器ip地址是10.80.88.180，共享文件夹名字是test，test里面有两个文件：good.txt和bad.txt，访问权限，用户名是admin，密码是admin。
2、新建一个webapplication项目，在前台页面加一个listbox，id是listbox1.
3、添加后台代码如下：其中包含的功能是读文件，这里以读good 文件为例；写文件，这里以写bad文件为例；还有是将test文件夹下的文件名列到listbox中。
using system;
using system.collections.generic;
using system.linq;
using system.web;
using system.web.ui;
using system.web.ui.webcontrols;
using system.text;
using system.diagnostics;
using system.io;
namespace webapplication2
{
public class fileshare
{
public fileshare() { }
public static bool connectstate(string path)
{
return connectstate(path,"","");
}
public static bool connectstate(string path,string username,string password)
{
bool flag = false;
process proc = new process();
try
{
proc.startinfo.filename = "cmd.exe";
proc.startinfo.useshellexecute = false;
proc.startinfo.redirectstandardinput = true;
proc.startinfo.redirectstandardoutput=true;
proc.startinfo.redirectstandarderror=true;
proc.startinfo.createnowindow=true;
proc.start();
string dosline = @"net use " + path + " /user:" + username + " " + password + " /persistent:yes";
proc.standardinput.writeline(dosline);
proc.standardinput.writeline("exit");
while (!proc.hasexited)
{
proc.waitforexit(1000);
}
string errormsg = proc.standarderror.readtoend();
proc.standarderror.close();
if (string.isnullorempty(errormsg))
{
flag = true;
}
else
{
throw new exception(errormsg);
}
}
catch (exception ex)
{
throw ex;
}
finally
{
proc.close();
proc.dispose();
}
return flag;
}
//read file
public static void readfiles(string path)
{
try
{
// create an instance of streamreader to read from a file.
// the using statement also closes the streamreader.
using (streamreader sr = new streamreader(path))
{
string line;
// read and display lines from the file until the end of
// the file is reached.
while ((line = sr.readline()) != null)
{
console.writeline(line);
}
}
}
catch (exception e)
{
// let the user know what went wrong.
console.writeline("the file could not be read:");
console.writeline(e.message);
}
}
//write file
public static void writefiles(string path)
{
try
{
// create an instance of streamwriter to write text to a file.
// the using statement also closes the streamwriter.
using (streamwriter sw = new streamwriter(path))
{
// add some text to the file.
sw.write("this is the ");
sw.writeline("header for the file.");
sw.writeline("-------------------");
// arbitrary objects can also be written to the file.
sw.write("the date is: ");
sw.writeline(datetime.now);
}
}
catch (exception e)
{
// let the user know what went wrong.
console.writeline("the file could not be read:");
console.writeline(e.message);
}
}
}
public partial class _default : system.web.ui.page
{
protected void page_load(object sender, eventargs e)
{
bool status = false;
//连接共享文件夹
status = fileshare.connectstate(@"\\10.80.88.180\test", "admin", "admin");
if (status)
{
directoryinfo thefolder = new directoryinfo(@"\\10.80.88.180\test");
//先测试读文件，把目录路径与文件名连接
string filename = thefolder.tostring()+"\\good.txt";
fileshare.readfiles(filename);
//测试写文件，拼出完整的路径
filename = thefolder.tostring() + "\\bad.txt";
fileshare.writefiles(filename);
//遍历共享文件夹，把共享文件夹下的文件列表列到listbox
foreach (fileinfo nextfile in thefolder.getfiles())
{
listbox1.items.add(nextfile.name);
}
}
else
{
listbox1.items.add("未能连接！");
}
}
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持移动技术网。
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