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如何对文件进行操作？_编程10000问_
2023-05-25
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简介 如何对文件进行操作？_编程10000问_
<%@ LANGUAGE="VBScript" %>
<% 'Set file i/o constants.
Const ForReading = 1
Const ForWriting = 2
Const ForAppending = 8
filename = "test.txt"
path = Server.MapPath("data") & "\" & filename
' 映射文件名到服务器的物理路径.
operation = Request.Form("operation") %>
' 得到请求操作.
<%
if operation = "create" then
call CreateFile(path)
call ReadFile(path)
elseif operation = "delete" then
call DeleteFile(path)
elseif operation = "read" then
call ReadFile(path)
elseif operation = "write" then
call WriteFile(path)
call ReadFile(path)
elseif operation = "append" then
call AppendFile(path)
call ReadFile(path)
end if
' 执行请求操作.
%>
<% sub CreateFile(path)
dim fs, file
set fs = CreateObject("Scripting.FileSystemObject")
if fs.FileExists(path) then
Response.Write(
" & vbCrLf)
' 如果文件早已存在则显示一个错误信息
else
Response.Write(恭喜, " & filename & "创建成功!
" & vbCrLf)
' 否则创建它并写入数据
set file = fs.CreateTextFile(path)
Response.Write(向" & filename & "写入数据...
" & vbCrLf)
file.WriteLine("Line 1 added " & Now() & ".")
file.WriteLine("Line 2 added " & Now() & ".")
file.WriteLine("Line 3 added " & Now() & ".")
file.WriteLine("Line 4 added " & Now() & ".")
file.WriteLine("Line 5 added " & Now() & ".")
file.Close()
end if
end sub
sub DeleteFile(path)
dim fs, file
set fs = CreateObject("Scripting.FileSystemObject")
if not fs.FileExists(path) then
' 如果文件不存在则显示一个错误信息.
Response.Write(噢,文件" & filename & "不存在,您删除什么!
" & vbCrLf)
else
Response.Write(恭喜," & filename & "删除成功!
" & vbCrLf)
' 否则删除它.
fs.DeleteFile(path)
end if
end sub
sub ReadFile(path)
dim fs, file
set f
