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Asp.net对文件夹和文件的操作类
using
System;
using
System.IO;
using
System.Web;
namespace
SEC
{
/**/
/**/
/**/
///
///
对文件和文件夹的操作类
///
public
class
FileControl
{
public
FileControl()
{
}
/**/
/**/
/**/
///
///
在根目录下创建文件夹
///
///
要创建的文件路径
public
void
CreateFolder(
string
FolderPathName)
{
if
(FolderPathName.Trim().Length
>
0
)
{
try
{
string
CreatePath
=
System.Web.HttpContext.Current.Server.MapPath
(
"
../../../Images/
"
+
FolderPathName).ToString();
if
(
!
Directory.Exists(CreatePath))
{
Directory.CreateDirectory(CreatePath);
}
}
catch
{
throw
;
}
}
}
/**/
/**/
/**/
///
///
删除一个文件夹下面的字文件夹和文件
///
///
public
void
DeleteChildFolder(
string
FolderPathName)
{
if
(FolderPathName.Trim().Length
>
0
)
{
try
{
string
CreatePath
=
System.Web.HttpContext.Current.Server.MapPath
(FolderPathName).ToString();
if
(Directory.Exists(CreatePath))
{
Directory.Delete(CreatePath,
true
);
}
}
catch
{
throw
;
}
}
}
/**/
/**/
/**/
///
///
删除一个文件
///
///
public
void
DeleteFile(
string
FilePathName)
{
try
{
FileInfo DeleFile
=
new
FileInfo(System.Web.HttpContext.Current.Server.MapPath
(FilePathName).ToString());
DeleFile.Delete();
}
catch
{
}
}
public
void
CreateFile(
string
FilePathName)
{
try
{
//
创建文件夹
string
[] strPath
=
FilePathName.Split(
'
/
'
);
CreateFolder(FilePathName.Replace(
"
/
"
+
strPath[strPath.Length
-
1
].ToString(),
""
));
//
创建文件
夹
FileInfo CreateFile
=
new
FileInfo(System.Web.HttpContext.Current.Server.MapPath
(FilePathName).ToString());
//
创建文件
if
(
!
CreateFile.Exists)
{
FileStream FS
=
CreateFile.Create();
FS.Close();
}
}
catch
{
}
}
/**/
/**/
/**/
///
///
删除整个文件夹及其字文件夹和文件
///
///
public
void
DeleParentFolder(
string
FolderPathName)
{
try
{
DirectoryInfo DelFolder
=
new
DirectoryInfo(System.Web.HttpContext.Current.Server.MapPath
(FolderPathName).ToString());
if
(DelFolder.Exists)
{
DelFolder.Delete();
}
}
catch
{
}
}
/**/
/**/
/**/
///
///
在文件里追加内容
///
///
public
void
ReWriteReadinnerText(
string
FilePathName,
string
WriteWord)
{
try
{
//
建立文件夹和文件
//
CreateFolder(FilePathName);
CreateFile(FilePathName);
//
得到原来文件的内容
FileStream FileRead
=
new
FileStream(System.Web.HttpContext.Current.Server.MapPath
(FilePathName).ToString(),FileMode.Open,FileAccess.ReadWrite);
StreamReader FileReadWord
=
new
StreamReader(FileRead,System.Text.Encoding.Default);
string
OldString
=
FileReadWord.ReadToEnd().ToString();
OldString
=
OldString
+
WriteWord;
//
把新的内容重新写入
StreamWriter FileWrite
=
new
StreamWriter(FileRead,System.Text.Encoding.Default);
FileWrite.Write(WriteWord);
//
关闭
FileWrite.Close();
FileReadWord.Close();
FileRead.Close();
}
catch
{
//
throw;
}
}
/**/
/**/
/**/
///
///
在文件里追加内容
///
///
public
string
ReaderFileData(
string
FilePathName)
{
try
{
FileStream FileRead
=
new
FileStream(System.Web.HttpContext.Current.Server.MapPath
(FilePathName).ToString(),FileMode.Open,FileAccess.Read);
StreamReader FileReadWord
=
new
StreamReader(FileRead,System.Text.Encoding.Default);
string
TxtString
=
FileReadWord.ReadToEnd().ToString();
//
关闭
FileReadWord.Close();
FileRead.Close();
return
TxtString;
}
catch
{
throw
;
}
}
/**/
/**/
/**/
///
///
读取文件夹的文件
///
///
///
public
DirectoryInfo checkValidSessionPath(
string
FilePathName)
{
try
{
DirectoryInfo MainDir
=
new
DirectoryInfo(System.Web.HttpContext.Current.Server.MapPath
(FilePathName));
return
MainDir;
}
catch
{
throw
;
}
}
}
}
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原文地址:https://www.cnblogs.com/zhangchenliang/p/736754.html
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