<!--#include file="Alipay_md5.asp"-->
<%

Class creatAlipayItemURL
	'获得最终的购买url
	
	Public Function creatAlipayItemURL(t1,t4,t5,service,partner,sign_type,subject,body,out_trade_no,price,show_url,quantity,seller_email,notify_url,return_url,key)
		Dim itemURL
		dim INTERFACE_URL,imgsrc,imgtitle
		'初始化各必要变量
		INTERFACE_URL	= t1	'支付接口
		imgsrc			= t4		'支付宝按钮图片
		imgtitle		= t5		'按钮悬停说明
  
	'Add by sunzhizhi 2006-5-10
		Count=10
mystr = Array("service="&service,"partner="&partner,"subject="&subject,"body="&body,"out_trade_no="&out_trade_no,"price="&price,"show_url="&show_url,"quantity="&quantity,"seller_email="&seller_email,"notify_url="&notify_url,"return_url="&return_url)
Count=ubound(mystr)


For i = Count TO 0 Step -1
    minmax = mystr( 0 )
    minmaxSlot = 0
    For j = 1 To i
            brand = (mystr( j ) > minmax)
        If brand Then 
            minmax = mystr( j )
            minmaxSlot = j
        End If
    Next
    
    If minmaxSlot <> i Then 
        
        temp = mystr( minmaxSlot )
        mystr( minmaxSlot ) = mystr( i )
        mystr( i ) = temp
    End If
 Next
	
 
 

For j = 0 To Count Step 1
  value = SPLIT(mystr( j ), "=")

  If  value(1)<>"" then
       If j=Count Then
       md5str= md5str&mystr( j )
	   Else 
       md5str= md5str&mystr( j )&"&"
	   End If 
  End If 
  Next

       md5str=md5str&key
	  ' response.write md5str

	   sign=md5(md5str)
	  

	itemURL	= itemURL&INTERFACE_URL 



	For j = 0 To Count Step 1
      
	    value = SPLIT(mystr( j ), "=")
		If  value(1)<>"" then
		itemURL= itemURL&mystr( j )&"&"
		End If 	     
  Next
		itemURL	= itemURL&"sign="&sign&"&sign_type="&sign_type
        
		  

	creatAlipayItemURL	= get_AlipayButtonURL	(itemURL,imgtitle,imgsrc)

End Function
	
	Public Function get_AlipayButtonURL(itemURL,imgtitle,imgsrc)
		dim responseText1
		responseText1	=	responseText1 & "<a href='" & itemURL & "' target='_blank'>"		'购买网址
		responseText1	=	responseText1 & "<img alt='" & imgtitle & "' src='"				'图片说明
		responseText1	=	responseText1 & imgsrc											'图片地址
		responseText1	=	responseText1 & "' align='absmiddle' border='0'/></a>"
		get_AlipayButtonURL=responseText1
	End Function

End Class
%>