xjia=cnshu(Trim(Request.Form("xjia")),5,1,"面额",1)
xshu=cnshu(Trim(Request.Form("xshu")),2,1,"数量",1)
if xshu>20 then call cnerror("您输入的数量超过20,不可以生成!",0,0)
xjifen=cnshu(Trim(Request.Form("xjifen")),8,1,"需要积分",1)

这样写什么意思?