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用文本+ASP打造新闻发布系统(四)新闻删除
<%
dim id
id=Request.QueryString ("id")
dim myfso
set myfso=createobject("scripting.filesystemobject")
if myfso.FileExists(server.mappath("./news_content/"&id&".txt"))then
myfso.DeleteFile (server.mappath("./news_content/"&id&".txt"))'#############删除新闻内容
end if
dim mytext2,myread2
set myread2=myfso.opentextfile(server.mappath("./new_list.asp"),1,0)
if myread2.atendofstream then
Response.Write "没有新闻内容"
myread2.close
Response.End
end if
mytext2=myread2.readall
myread2.close
dim listarray,i,h,count,sf,title
listarray=split(mytext2,"|") '#########读取记录并以#分割成listarray数组
count=ubound(listarray)
for i=0 to count '###########根据ID找到该新闻实现删除功能
sf=split(listarray(i),",")
if right(sf(0),7)=right(id,7) then
dim thisid
thisid=i
'#######为6说明上传了图片,删除新闻图片和该列表记录
if ubound(sf)=6 then
myfso.deletefile(server.MapPath ("./images/"&sf(6)))
end if
exit for
end if
next
dim mytext,mappath
mappath=server.mappath("./")
set mytext=myfso.createtextfile(mappath&"\new_list.asp",-1,0)
for i=0 to thisid-1' ##########把所有数据重新写入文件
mytext.write listarray(i)&"|"
next
for i=thisid+1 to ubound(listarray)
if i=ubound(listarray) then
mytext.write listarray(i)
exit for
else
mytext.write listarray(i)&"|"
end if
next
mytext.close
%>
<script language="javascript">
alert("删除成功");
location.href =("news_admin1.asp");
</script>
---------------
news_view.asp
<% Response.Expires=0
dim myid,myfso,myread,mytext1
myid=request.querystring("id")
if len(myid)=0 then
Response.Write "没有该新闻"
Response.End
end if
set myfso=createobject("scripting.filesystemobject")
set myread=myfso.opentextfile(server.mappath("./news_content/"&myid&".txt"),1,0)
if myread.atendofstream then
Response.Write "没有新闻内容"
Response.End
else
mytext1=myread.readall '#######打开对应的新闻内容文件,并读取用变量存储
function htmlencode2(str)'###########字符处理函数
dim result
dim l
l=len(str)
result=""
dim i
for i = 1 to l
select case mid(str,i,1)
case chr(34)
result=result+""""
case "&"
result=result+"&"
case chr(13)
result=result+"<br>"
case " "
result=result+" "
case chr(9)
result=result+" "
case chr(32)
result=result+" "
if i+1<=l and i-1>0 then
if mid(str,i+1,1)=chr(32) or mid(str,i+1,1)=chr(9) or mid(str,i-1,1)=chr(32) or mid(str,i-1,1)=chr(9) then
result=result+" "
else
result=result+" "
end if
else
result=result+" "
end if
case else
result=result+mid(str,i,1)
end select
next
htmlencode2=result
end function
myread.close
end if
dim mytext2,myread2
set myread2=myfso.opentextfile(server.mappath("./new_list.asp"),1,0)
if myread2.atendofstream then
Response.Write "没有新闻内容"
Response.End
else
mytext2=myread2.readall
myread2.close
dim listarray,i,h
listarray=split(mytext2,"|") '#########读取记录并以#分割成listarray数组
dim count,sf,title,src
count=ubound(listarray)
for i=0 to count '###########根据ID找到该新闻并把文章点击次数加1
sf=split(listarray(i),",")
if right(sf(0),7)=right(myid,7) then
title=sf(1)
src=sf(3)
sf(4)=sf(4)+1
'#######为6说明上传了图片,存储为新的数组
if ubound(sf)=6 then
listarray(i)=sf(0)&","&sf(1)&","&sf(2)&","&sf(3)&","&sf(4)&","&sf(5)&","&sf(6)
dim mypic
mypic=sf(6)
else
listarray(i)=sf(0)&","&sf(1)&","&sf(2)&","&sf(3)&","&sf(4)&","&sf(5)
end if
'##################
exit for
end if
next
dim k,mytext,mappath
mappath=server.mappath("./")
set mytext=myfso.createtextfile(mappath&"\new_list.asp",-1,0)
for i=0 to ubound(listarray)' ##########把所有数据重新写入文件
if i=ubound(listarray) then
mytext.write listarray(i)
else
mytext.write listarray(i)&"|"
end if
next
Response.Write "<body bgcolor=#EDF0F5 topmargin=10 marginheight=5 leftmargin=4 marginwidth=0>"
Response.Write"<div align=center style=font-size:13pt><strong>"&title&"</strong><span></div><br>"
Response.Write "<hr size=1>"
if len(mypic)<>0 then
Response.write "<center><img src='./images/"&mypic&"'></center>"
end if
Response.Write "<span style=font-size:10pt>"&htmlencode2(mytext1)&"</span>"
Response.Write "<br><div align=right style='font-size:9pt'>新闻来源:<font color=red>"&src&"</font></div>"
%>
<OBJECT id=closes type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="Command" value="Close">
</object>
<center><input type="button" value="关闭窗口" onclick="closes.Click();"></center>
<% end if%>
