<%

Class creatAlipayItemURL
	'獲得最終的購買url
	
	Public Function creatAlipayItemURL(t1,t4,t5,service,agent,partner,sign_type,subject,body,out_trade_no,price,discount,show_url,quantity,payment_type,logistics_type,logistics_fee,logistics_payment,logistics_type_1,logistics_fee_1,logistics_payment_1,seller_email,notify_url,key)
		Dim itemURL
		dim INTERFACE_URL,imgsrc,imgtitle
		'初始化各必要變量
		INTERFACE_URL	= t1	'支付接口
		imgsrc			= t4		'支付寶按鈕圖片
		imgtitle		= t5		'按鈕懸停說明
  
	'Add by sunzhizhi 2006-5-10
	
mystr = Array("service="&service,"agent="&agent,"partner="&partner,"subject="&subject,"body="&body,"out_trade_no="&out_trade_no,"price="&price,"discount="&discount,"show_url="&show_url,"quantity="&quantity,"payment_type="&payment_type,"logistics_type="&logistics_type,"logistics_fee="&logistics_fee,"logistics_payment="&logistics_payment,"logistics_type_1="&logistics_type_1,"logistics_fee_1="&logistics_fee_1,"logistics_payment_1="&logistics_payment_1,"seller_email="&seller_email,"notify_url="&notify_url)

Count=ubound(mystr)


For i = Count TO 0 Step -1
    minmax = mystr( 0 )
    minmaxSlot = 0
    For j = 1 To i
            mark = (mystr( j ) > minmax)
        If mark 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
        
		'response.write  itemURL  

	creatAlipayItemURL	= get_AlipayButtonURL	(itemURL,imgtitle,imgsrc)	
                
				 

	End Function


	
	Public Function get_AlipayButtonURL(itemURL,imgtitle,imgsrc)
		dim responseText1
		responseText1	=	responseText1 & "<center><font color=red><b>點擊下面的支付寶交易按鈕進行在線支付</b></font><br><a href='" & itemURL & "' target='_blank'>"		'購買網址
		responseText1	=	responseText1 & "<img alt='" & imgtitle & "' src='"				'圖片說明
		responseText1	=	responseText1 & imgsrc											'圖片地址
		responseText1	=	responseText1 & "' align='absmiddle' border='0'/></a></center>"
		get_AlipayButtonURL=responseText1
		response.redirect itemURL
	End Function

End Class
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