一个带采集远程文章内容,保存图片,生成文件等完整的采集功能

2019-04-01 19:46:23王冬梅

'函数名:GetPaing
'作 用:获取分页
'==================================================
Function GetPaing(Byval ConStr,StartStr,OverStr,IncluL,IncluR)
If ConStr="$False$" or ConStr="" Or StartStr="" Or OverStr="" or IsNull(ConStr)=True or IsNull(StartStr)=True Or IsNull(OverStr)=True Then
GetPaing="$False$"
Exit Function
End If

Dim Start,Over,ConTemp,TempStr
TempStr=LCase(ConStr)
StartStr=LCase(StartStr)
OverStr=LCase(OverStr)
Over=Instr(1,TempStr,OverStr)
If Over<=0 Then
GetPaing="$False$"
Exit Function
Else
If IncluR=True Then
Over=Over+Len(OverStr)
End If
End If
TempStr=Mid(TempStr,1,Over)
Start=InstrRev(TempStr,StartStr)
If IncluL=False Then
Start=Start+Len(StartStr)
End If

If Start<=0 Or Start>=Over Then
GetPaing="$False$"
Exit Function
End If
ConTemp=Mid(ConStr,Start,Over-Start)

ConTemp=Trim(ConTemp)
'ConTemp=Replace(ConTemp," ","")
ConTemp=Replace(ConTemp,",","")
ConTemp=Replace(ConTemp,"'","")
ConTemp=Replace(ConTemp,"""","")
ConTemp=Replace(ConTemp,">","")
ConTemp=Replace(ConTemp,"<","")
ConTemp=Replace(ConTemp," ;","")
GetPaing=ConTemp
End Function

'*************************************************
'函数名:gotTopic
'作 用:截字符串,汉字一个算两个字符,英文算一个字符
'参 数:str ----原字符串
' strlen ----截取长度
'返回值:截取后的字符串
'*************************************************
function gotTopic(str,strlen)
if str="" then
gotTopic=""
exit function
end if
dim l,t,c, i
str=replace(replace(replace(replace(str," "," "),""",chr(34)),">",">"),"<","<")
l=len(str)
t=0
for i=1 to l
c=Abs(Asc(Mid(str,i,1)))
if c>255 then
t=t+2
else
t=t+1
end if
if t>=strlen then
gotTopic=left(str,i) & "…"
exit for
else
gotTopic=str
end if
next
gotTopic=replace(replace(replace(replace(gotTopic," "," "),chr(34),"""),">",">"),"<","<;")
end function

'***********************************************
'函数名:JoinChar
'作 用:向地址中加入 ? 或 &
'参 数:strUrl ----网址
'返回值:加了 ? 或 & 的网址
'***********************************************
function JoinChar(strUrl)
if strUrl="" then
JoinChar=""
exit function
end if
if InStr(strUrl,"?")<len(strUrl) then
if InStr(strUrl,"?")>1 then
if InStr(strUrl,"&")<len(strUrl) then
JoinChar=strUrl & "&"
else
JoinChar=strUrl
end if
else
JoinChar=strUrl & "?"
end if
else
JoinChar=strUrl
end if
end function


'**************************************************
'函数名:CreateKeyWord
'作 用:由给定的字符串生成关键字
'参 数:Constr---要生成关键字的原字符串
'返回值:生成的关键字
'**************************************************