Introduction - If you have any usage issues, please Google them yourself
You can collect up to 4. The web page data
2 using non regular expressions, as long as the back view of the web page source code can be defined in a simple collection of rules
3 direct operations, the need for data collection before you need to enter the structure of the system has an understanding of the data
4 is applicable to almost all of the site collection data storage
5 can be a simple custom filter function to filter the collection data
6 can collect any type of data to the local
7 the picture in the article data can choose automatic localization