在爬取某网站需要splash渲染，点击“下一页”，url不变化。如何用lua_script运行js实现翻页，或者怎么样获得一个具体网页翻页的js代码？
参考：https://github.com/hfxjd9527/caigou
https://ask.csdn.net/questions/1060422?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522162730592316780366594821%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fask.%2522%257D&request_id=162730592316780366594821&biz_id=4&utm_medium=distribute.pc_search_result.none-task-ask_topic-2~ask~first_rank_v2~ask_rank-1-1060422.pc_ask&utm_term=splash%E7%BF%BB%E9%A1%B5%E9%97%AE%E9%A2%98+&spm=1018.2226.3001.4187
