7.6 用文本+ASP打造新闻发布系统

//图片上传
〈SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT〉
Function GetUpload(FormData)
Dim DataStart,DivStr,DivLen,DataSize,FormFieldData
'分隔标志串(+CRLF)
DivStr = LeftB(FormData,InStrB(FormData,str2bin(VbCrLf)) + 1)
'分隔标志串长度
DivLen = LenB(DivStr)
PosOpenBoundary = InStrB(FormData,DivStr)
PosCloseBoundary = InStrB(PosOpenBoundary + 1,FormData,DivStr)
Set Fields = CreateObject("Scripting.Dictionary")

While PosOpenBoundary 〉 0 And PosCloseBoundary 〉 0
'name起始位置(name="xxxxx")，加6是因为[name="]长度为6
FieldNameStart = InStrB(PosOpenBoundary,FormData,str2bin("name=")) + 6
FieldNameSize = InStrB(FieldNameStart,FormData,ChrB(34)) - FieldNameStart '(")的ASC值=34
FormFieldName = bin2str(MidB(FormData,FieldNameStart,FieldNameSize))

'filename起始位置(filename="xxxxx")
FieldFileNameStart = InStrB(PosOpenBoundary,FormData,str2bin("filename=")) + 10
If FieldFileNameStart 〈 PosCloseBoundary And FieldFileNameStart 〉 PosopenBoundary Then
FieldFileNameSize = InStrB(FieldFileNameStart,FormData,ChrB(34)) - FieldFileNameStart '(")的ASC值=34
FormFileName = bin2str(MidB(FormData,FieldFileNameStart,FieldFileNameSize))
Else
FormFileName = ""
End If

'Content-Type起始位置(Content-Type: xxxxx)
FieldFileCTStart = InStrB(PosOpenBoundary,FormData,str2bin("Content-Type:")) + 14
If FieldFileCTStart 〈 PosCloseBoundary And FieldFileCTStart 〉 PosOpenBoundary Then
FieldFileCTSize = InStrB(FieldFileCTStart,FormData,str2bin(VbCrLf & VbCrLf)) - FieldFileCTStart
FormFileCT = bin2str(MidB(FormData,FieldFileCTStart,FieldFileCTSize))
Else
FormFileCT = ""
End If

'数据起始位置：2个CRLF开始
DataStart = InStrB(PosOpenBoundary,FormData,str2bin(VbCrLf & VbCrLf)) + 4
If FormFileName 〈〉 "" Then
'数据长度，减1是因为数据文件的存取字节数问题(可能是AppendChunk方法的问题)：
'由于字节数为奇数的图象存到数据库时会去掉最后一个字符导致图象不能正确显示,
'字节数为偶数的数据文件就不会出现这个问题，因此必须保持字节数为偶数。
DataSize = InStrB(DataStart,FormData,DivStr) - DataStart - 1
FormFieldData = MidB(FormData,DataStart,DataSize)
Else
'数据长度，减2是因为分隔标志串前有一个CRLF
DataSize = InStrB(DataStart,FormData,DivStr) - DataStart - 2
FormFieldData = bin2str(MidB(FormData,DataStart,DataSize))
End If
'建立一个Dictionary集存储Form中各个Field的相关数据
Set Field = CreateUploadField()
Field.Name = FormFieldName
Field.FilePath = FormFileName
Field.FileName = GetFileName(FormFileName)
Field.ContentType = FormFileCT
Field.Length = LenB(FormFieldData)
Field.Value = FormFieldData

Fields.Add FormFieldName, Field

PosOpenBoundary

〈tr〉
〈td width="121" height="16" align="center" style="font-size:9pt"〉新闻标题〈/td〉
〈td width="617" height="16" colspan="2"〉
〈input type="text" name="news_title" size="87"〉〈/td〉
〈/tr〉
〈tr〉
〈td width="121" height="165" align="center" style="font-size:9pt"〉新闻内容〈/td〉
〈td width="617" height="165" colspan="2"〉〈textarea rows="11" name="news_content" cols="85"〉〈/textarea〉〈/td〉
〈/tr〉
〈tr〉
〈td width="121" height="21" align="center" style="font-size:9pt"〉新闻t; then
%〉
〈script〉
alert("出错！不能上传该图片类型");
history.go(-1);
〈/script〉
〈% Response.end
else
end if
end if
'###########将图片写入文件夹
set file_O=Server.CreateObject("Scripting.FileSystemObject")

'##########当前时间做图片名
dim newname,mytime,newfile,filename,id,image
endname=right(fields("server1").value,4)
mytime=now()
id=Year(mytime)&Month(mytime)&Day(mytime)&Hour(mytime)&Minute(MyTime)&Second(MyTime)
imageid=id&endname
'#############写入图片
newfile="client1"
filename=Fields("server1").value

If Fields(newfile).FileName〈〉"" Then
file_name=Server.MapPath("./images/"&imageid&"")
set outstream=file_O.CreateTextFile(file_name,true,false)
binstr=Fields(newfile).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_O.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
'###################################################################################### 把新闻数据结构写入newslist文件
dim mappath,mytext,myfso,contenttext,news_addtime,news_point
news_point=1
news_addtime=mytime
set myfso=createobject("scripting.filesystemobject")
mappath=server.mappath("./")

set mytext=myfso.opentextfile(mappath&"new_list.asp",8,-1)

dim mytext2
if len(varchar)〈〉0 then
mytext2=trim(id&","&news_title&","&id&".txt"&","&news_src&","&news_point&",

'########把记录反排序存储在新的数组实现按时间反排序
dim c(100)
n=0
for i=recordcount to 0 step -1
c(n)=b(i)
n=n+1
next

dim currentrecord
currentrecord=pagesize*(topage-1)+1 '#########显示每一页
for k=1 to pagesize
if len(c(currentrecord))=0 then
exit for
end if
Response.Write c(currentrecord)&"〈br〉"
currentrecord=currentrecord+1
next
Response.Write "〈body bgcolor=#EDF0F5 topmargin=10 marginheight=5 leftmargin=4 marginwidth=0〉"
for m=1 to pagenum
response.write "〈span style=font-size:10pt〉〈a href=news_list.asp？topage="&m&"〉"&m&"〈/a〉〈/span〉 "
next

end if%
//新闻删除
〈!--#include file="news_session.asp"--〉
〈%
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(".

'#######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