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远程获取内容,并将内容存在本地电脑上,包括任何文件

2018年01月28日  | 移动技术网IT编程  | 我要评论

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<%
------------------------------------------------------------------------
-------------------无垠网域:https://www.5inet.net/ ---------------------
-------------------作者:嘻哈呵嘿 ,webmaster@5inet.net -----------------
----------远程获取内容,并将内容存在本地电脑上,包括任何文件!----------
---------------利用xmlhttp和adodb.stream,酷!绝对原创!-----------------
On Error Resume Next
Set the content type to the specific type that you are sending.
Response.ContentType = "IMAGE/JPEG"
-------------------------------定义输出格式-----------------------------

Path=request.querystring("p")
sPath = Path
if left(lcase(path),7) <> "https://" then
-------------如果前面没有http就是本地文件,交给LocalFile处理------------
LocalFile(path)
else
--------------------否则为远程文件,交给RemoteFile处理------------------
RemoteFile(Path)
end if
Response.Write err.Description

sub LocalFile(Path)
-------------------如果为本地文件则简单的跳转到该页面-------------------
Response.Redirect Path
End Sub

Sub RemoteFile(sPath)
-------------------------处理远程文件函数------------------------------
FileName = GetFileName(sPath)
-------------GetFileName为把地址转换为合格的文件名过程-------------
FileName = Server.MapPath("/UploadFile/Cache/" & FileName)
Set objFso = Server.CreateObject("Scripting.FileSystemObject")
Response.Write fileName
if objFso.FileExists(FileName) Then
--------------检查文件是否是已经访问过,如是,则简单跳转------------
Response.Redirect "/PreviousFile/cache/" & GetFileName(path)
Else
----------------否则的话就先用GetBody函数读取----------------------
Response.Write Path
t = GetBody(Path)
-----------------用二进制方法写到浏览器上--------------------------
Response.BinaryWrite t
Response.Flush
-----------------输出缓冲------------------------------------------
SaveFile t,GetFileName(path)
------------------将文件内容缓存到本地路径,以待下次访问-----------
End if
Set objFso = Nothing
End Sub

Function GetBody(url)
-----------------------本函数为远程获取内容的函数---------------------
on error resume next
Response.Write url
Set Retrieval = CreateObject("Microsoft.XMLHTTP")
----------------------建立XMLHTTP对象-----------------------------
With Retrieval
.Open "Get", url, False, "", ""
------------------用Get,异步的方法发送-----------------------
.Send
GetBody = .ResponseText
GetBody = .ResponseBody
------------------函数返回获取的内容--------------------------
End With
Set Retrieval = Nothing
response.Write err.Description
End Function

Function GetFileName(str)
-------------------------本函数为合格化的文件名函数-------------------
str = Replace(lcase(str),"https://","")
str = Replace(lcase(str),"//","/")
str = Replace(str,"/","")
str = replace(str,vbcrlf,"")
GetFileName = str
End Function

sub SaveFile(str,fName)
-------------------------本函数为将流内容存盘的函数-------------------
on error resume next
Set objStream = Server.CreateObject("ADODB.Stream")
--------------建立ADODB.Stream对象,必须要ADO 2.5以上版本---------
objStream.Type = adTypeBinary
-------------以二进制模式打开-------------------------------------
objStream.Open
objstream.write str
--------------------将字符串内容写入缓冲--------------------------
response.Write fname
objstream.SaveToFile "c:inetpubmywebPreviousFilecache" & fName,adSaveCreateOverWrite
--------------------将缓冲的内容写入文件--------------------------
response.BinaryWrite objstream.Read
objstream.Close()
set objstream = nothing
-----------------------关闭对象,释放资源-------------------------
response.Write err.Description
End sub
%>


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