学习爬虫过程遇到的各类问题集锦

用xpath爬取 https://www.ivsky.com/tupian/haiyangshijie/， 问题1：检查了好多遍代码，一直以下错误报错 html 开始下载 形态万千的海马图片(11张) https://www.ivsky.com/tupian/haima_v50562/ None Traceback (most recent call last): File "20190422

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