京东秒杀程序，获取网页html文件，采用正则表达式搜索，匹配和判断，可以看看，性能有待进一步提高，可运行-Jingdong spike procedures to obtain the page html file using regular expression search, matching and judgment, you can see, the performance should be further improved, you can run

用jsoup实现爬虫，无需正则表达式匹配网页-Jsoup achieve with reptiles, no regular expression matching the page