Parade Series - eChart Template Spider

Apache eChart

https://echarts.apache.org/examples/zh/index.html#chart-type-line

Python lxml

	beta = dom.xpath(u'//*[@id="chart-row-bar"]/div[*]/div/a/picture/source/@srcset')
    for i in range(len(beta)):
        remoteURL = beta[i]
        localFile = ('echart/bar-%.3d.png' % i)
        urllib.request.urlretrieve(remoteURL, localFile)