在xpath的xml路径中传入参数

lables = ['nvbfge','cvbfg','nfsd','jklibn','dfgrt','muyh','ytug','nghmdf','gfhasfecxv']
for lable in lables:
    print(lable)
    urls_0 = response.xpath("//map[@name=$val]/area/@href",val=lable).extract()
    print(urls_0)