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用文本+ASP打造新闻发布系统(五)新闻修改
<!--#include file="news_session.asp"-->
<SCRIPT ID=clientEventHandlersJS LANGUAGE=javascript>
<!--
function client_onblur(ii) {
server=eval("form1.server"+ii)
if(server.value==""){
client=eval("form1.client"+ii)
clientvalue=client.value+""
varlen=clientvalue.length
a=clientvalue.lastIndexOf('\\')
clientvalue=clientvalue.substring(a+1)
//alert(clientvalue);
server.value=clientvalue
}
}
function form1_onsubmit() {
for(i=1;i<1;i++){
client=eval("form1.client"+i)
server=eval("form1.server"+i)
if(client.value!="" && server.value==""){alert("上传后的文件名不能空！");server.focus();return false}
}
}
//-->
</SCRIPT>
<% dim myid
myid=Request.QueryString ("id")
if len(myid)=0 then
Response.Write "没有该新闻"
Response.End
end if
dim myfso,myread,mytext,newscontent
'#######打开对应的新闻内容文件,并读取用变量存储
set myfso=createobject("scripting.filesystemobject")
if myfso.FileExists (server.mappath("./news_content/"&myid&".txt")) then
set myread=myfso.opentextfile(server.mappath("./news_content/"&myid&".txt"),1,0)
newscontent=myread.readall
myread.close
newscontent=replace(newscontent,"<br>",chr(13))
newscontent=replace(newscontent," "," ")
newscontent=replace(newscontent," ",chr(32))
newscontent=replace(newscontent,"'' ",chr(34))
else
Response.Write "该新闻已被删除"
Response.End
end if
dim mytext2,myread2 '#######打开新闻列表文件
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
end if
mytext2=myread2.readall
dim listarray
listarray=split(mytext2,"|") '#########读取记录并以#分割成listarray数组
dim count,sf,i,title,src
count=ubound(listarray)
for i=0 to count '###########根据ID找到该新闻并用变量存储给新闻的标题
sf=split(listarray(i),",")
if right(sf(0),7)=right(myid,7) then
title=sf(1)
src=sf(3)
exit for
end if
next
%>
<head>
<style>
td {font-size:9pt}
INPUT.buttonface {
BACKGROUND-COLOR: #0079F2; BORDER-BOTTOM: #333333 1px outset; BORDER-LEFT: #333333 1px outset; BORDER-RIGHT: #ffffff 1px outset; BORDER-TOP: #ffffff 1px inset; COLOR: black; FONT-SIZE: 9pta { color: #000000; text-decoration: none}
.text {font-size:11pt}
INPUT.buttonface2 {
BACKGROUND-COLOR: #EDF0F5; COLOR: black; FONT-SIZE: 9pta { color: #000000; text-decoration: none}
a:hover { color: white; text-decoration: underline overline; background: #007EBB}
.text {font-size:11pt}
</style>
</head>
<body bgcolor=#EDF0F5 topmargin=10 marginheight=5 leftmargin=4 marginwidth=0>
<form method="POST" action="news_updateing.asp" name="form1" enctype="multipart/form-data" onsubmit="return form1_onsubmit()">
<div align="left">
<table border="1" width="752" height="240" cellspacing="0" cellpadding="0">
<tr>
<td colspan="2" height="12" align="center" width="800" style="font-size:12pt"><strong>新闻发布系统后台管理--新闻修改</strong></td>
</tr>
<tr>
<td width="119" height="12" style="font-size:9pt">新闻标题</td>
<td width="675" height="12">
<input type="text" name="newtitle" size="94" value="<%=title%>" class="buttonface2 ">
</td>
</tr>
<tr>
<td width="119" height="213" style="font-size:9pt">
新<br>
闻<br>
内<br>
容</td>
<td width="675" height="213">
<textarea rows="14" name="newcontent" cols="93" style="BACKGROUND-COLOR: #EDF0F5"><%=newscontent%></textarea>
<br>
</td>
</tr>
<tr>
<td width="119" height="4" style="font-size:9pt">新闻来源</td>
<td width="675" height="4">
<input type=text name="newssrc" value="<%=src%>" size="93" class="buttonface2 ">
</td>
</tr>
<tr>
<td width="119" height="5" style="font-size:9pt">图片上传</td>
<td width="675" height="5"> <input type="file" name="client1" size="20" readonly LANGUAGE=javascript onblur="return client_onblur(1)" ></td>
</tr>
</table>
</div>
<p>
<input type="submit" value="确认" name="B1" style="font-size: 10pt; color: #000000; " class="buttonface">
<input type="reset" value="全部重写" name="B2" style="font-size:10pt;color:#000000;" class="buttonface">
<input type="button" value="帐号修改" onclick="location.href='admin/news_chadmin.asp'" name="B2" style="font-size:10pt;color:#000000;" class="buttonface">
<input type="button" value="新闻添加" onclick="location.href='news_add.asp'" name="B2" style="font-size:10pt;color:#000000;" class="buttonface"></p>
<input type=hidden name="myid" value="<%=myid%>">
<INPUT type="hidden" name="server1">
<input type="hidden" name="mysession" value="mysession">
</form>
##########
news_updating.asp
<!--#include file="news_session.asp"-->
<!--#include file="upload.inc"-->
<%
'Fields("xxx").Name 取得Form中xxx(Form Object)的名字
'Fields("xxx").FilePath 如果是file Object 取得文件的完整路径
'Fields("xxx").FileName 如果是file Object 取得文件名
'Fields("xxx").ContentType 如果是file Object 取得文件的类型
'Fields("xxx").Length 取得Form中xxx(Form Object)的数据长度
'Fields("xxx").Value 取得Form中xxx(Form Object)的数据内容
Dim FormData,FormSize,gnote,bnote,notes,binlen,binstr
FormSize=Request.TotalBytes
FormData=Request.BinaryRead(FormSize)
Set Fields = GetUpload(FormData)
'############判断输入错误
dim mytitle,content,src,id,mysession
mysession=Fields("newtitle").value
if len(mysession)=0 then
Response.Write "非法登陆或超时间,请重新登陆"
Response.End
end if
mytitle=Fields("newtitle").value
mytitle=replace(mytitle,"|","|")
mytitle=replace(mytitle,"<br>","")
content=Fields("newcontent").value
src=Fields("newssrc").value
src=replace(src,"|","|")
src=replace(src,"<br>","")
id=trim(right(Fields("myid").value,12))
if len(mytitle)=0 then
Response.Write "<script>"
Response.Write "alert('出错!新闻标题不能为空!');"
Response.Write"location.href=history.go(-1);"
Response.Write "</script>"
end if
if len(content)=0 then
Response.Write "<script>"
Response.Write "alert('出错!新闻内容不能为空!');"
Response.Write"location.href=history.go(-1);"
Response.Write "</script>"
end if
if len(src)=0 then
Response.Write "<script>"
Response.Write "alert('出错!新闻来源不能为空!');"
Response.Write"location.href=history.go(-1);"
Response.Write "</script>"
end if
'##########################图片更该功能的实现
newfile="client1"
If Fields(newfile).FileName<>"" Then
set file_0=Server.CreateObject("Scripting.FileSystemObject")
dim contextname
contextname=right(Fields("client1").FileName,4)
imageid=id&contextname
if contextname<>".gif" and contextname<>".jpg" then '#########判断上传文件格式
Response.Write "<script>"
Response.Write "alert('出错!上传文件格式不对 只能为jpg/gif图片格式!');"
Response.Write"location.href=history.go(-1);"
Response.Write "</script>"
end if
file_name=Server.MapPath("./images/"&imageid&"")
'#####################################如果原来有图片文件主名为id的则删除该图片
if file_0.fileexists(server.MapPath ("./images/"&id&".gif")) then
Set f3 = file_0.GetFile(server.MapPath ("./images/"&id&".gif"))
f3.Delete
end if
if file_0.fileexists(server.MapPath ("./images/"&id&".jpg")) then
Set f3 = file_0.GetFile(server.MapPath ("./images/"&id&".jpg"))
f3.Delete
end if
'########################################写入图片
set outstream=file_0.openTextFile(file_name,8,-1)
binstr=Fields("client1").Value
binlen=1
varlen=lenb(binstr)
for i=1 to varlen
clow = MidB(binstr,i,1)
If AscB(clow) = 255 then
outstream.write chr(255)
binlen=binlen+1
if (i mod 2)=0 then
notes=gnote
exit for
end if
elseif AscB(clow) > 128 then
clow1=MidB(binstr,i+1,1)
if AscB(clow1) <64 or AscB(clow1) =127 or AscB(clow1) = 255 then
binlen=binlen+1
'if (binlen mod 2)=0 then
binlen=binlen+1
outstream.write Chr(AscW(ChrB(128)&clow))
'end if
notes=bnote
exit for
else
outstream.write Chr(AscW(clow1&clow))
binlen=binlen+2
i=i+1
if (i mod 2)=0 then
notes=gnote
exit for
end if
end if
else
outstream.write chr(AscB(clow))
binlen=binlen+1
if (i mod 2)=0 then
notes=gnote
exit for
end if
end if
next
outstream.close
set outstream=file_0.OpenTextFile(file_name,8,false,-1)
outstream.write midb(Fields(newfile).Value,binlen)
outstream.close
if notes=bnote then notes=notes&(binlen-1)&"字节处。"
End If
'######################################
dim myfso,mywrite '#######修改新闻详细内容
set myfso=createobject("scripting.filesystemobject")
if myfso.FileExists(server.mappath("./news_content/"&id&".txt")) then
myfso.DeleteFile (server.mappath("./news_content/"&id&".txt"))
end if
set mywrite=myfso.createtextfile(server.mappath("./news_content/"&id&".txt"),-1,0)
mywrite.write content
dim mytext2,myread2 '#########修改新闻的标题来源
set myread2=myfso.opentextfile(server.mappath("./new_list.asp"),1,0)
mytext2=myread2.readall
dim listarray,i,h,count,sf
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找到该新闻记录
sf=split(listarray(i),",")
if right(sf(0),7)=right(id,7) then
sf(1)=mytitle
sf(3)=src
'#######为6说明上传了图片,存储新的数组实现查看记录点击次数加1
if ubound(sf)=6 then
If Fields(newfile).FileName<>"" Then
sf(6)=imageid
end if
listarray(i)=sf(0)&","&sf(1)&","&sf(2)&","&sf(3)&","&sf(4)&","&sf(5)&","&sf(6)
else
listarray(i)=sf(0)&","&sf(1)&","&sf(2)&","&sf(3)&","&sf(4)&","&sf(5)
end if
'##################
exit for
end if
next
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)
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
'##########################
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 htmlencode2(listarray(i))
else
mytext.write htmlencode2(listarray(i)&"|")
end if
next
%>
<script language="javascript">
alert("更改成功");
window.location=("news_admin1.asp");
</script>
