Introduction - If you have any usage issues, please Google them yourself
1. Write a crawler to crawl the Web massive Internet pages. 2. Will crawl to the pages by extracting, saved in the file system can be quickly retrieved in a certain format. 3. User input string split into keywords to the file system query and returns the result. Visible by more than 3 points, the analysis of the string, the decimation of status in the search engine how important it is.