ASP获取网页全部图片地址并保存到数组.

2022-07-15 80酷酷网 80kuku.com

　　网页|数组|图片地址1.31修正
src=后面有空格不能正确匹配.已修正.
src=''为空时出错.已修正.
发现BUG: 图片路径有多个空格时只能保留一个.未修正.
2.18修正
图片路径有多个空格时只能保留一个的BUG.已修正.

以下是代码：
<%
’功能:获取全部图片地址,保存到一个数组.
’来源:http://jorkin.reallydo.com/article.asp?id=448
’需要ReplaceAll函数:http://jorkin.reallydo.com/article.asp?id=406

Function getIMG(sString)
    Dim sReallyDo, regEx, iReallyDo
    Dim oMatches, cMatch
    ’//定义一个空数组
    iReallyDo = -1
    ReDim aReallyDo(iReallyDo)
    If IsNull(sString) Then
        getIMG = ""
        Exit Function
    End If
    ’//格式化HTML代码
    ’//将每个 <img 换行方便正则替换
    sReallyDo = sString
    On Error Resume Next
    sReallyDo = Replace(sReallyDo, vbCr, " ")
    sReallyDo = Replace(sReallyDo, vbLf, " ")
    sReallyDo = Replace(sReallyDo, vbTab, " ")
    sReallyDo = Replace(sReallyDo, "<img ", vbCrLf & "<img ", 1, -1, 1)
    sReallyDo = Replace(sReallyDo, "/>", " />", 1, -1, 1)
    sReallyDo = ReplaceAll(sReallyDo, "= ", "=", True)
    sReallyDo = ReplaceAll(sReallyDo, "> ", ">", True)
    sReallyDo = Replace(sReallyDo, "><", ">" & vbCrLf & "<")
    sReallyDo = Trim(sReallyDo)
    On Error GoTo 0
    Set regEx = New RegExp
    regEx.IgnoreCase = True
    regEx.Global = True
    ’//去除onclick,onload等脚本
    regEx.Pattern = "\s[on].+?=([\""|\’])(.*?)\1"
    sReallyDo = regEx.Replace(sReallyDo, "")
    ’//将SRC不带引号的图片地址加上引号
    regEx.Pattern = "<img.*?\ssrc=([^\""\’\s][^\""\’\s>]*).*?>"
    sReallyDo = regEx.Replace(sReallyDo, "<img src=""$1"" />")
    ’//正则匹配图片SRC地址
    regEx.Pattern = "<img.*?\ssrc=([\""\’])([^\""\’]+?)\1.*?>"
    Set oMatches = regEx.Execute(sReallyDo)
    ’//将图片地址存入数组
    For Each cMatch in oMatches
        iReallyDo = iReallyDo + 1
        ReDim Preserve aReallyDo(iReallyDo)
        aReallyDo(iReallyDo) = regEx.Replace(cMatch.Value, "$2")
    Next
    getIMG = aReallyDo
End Function
%>