Scrapy 1.6 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the shell Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 295 页 | 1.18 MB | 1 年前3- Scrapy 1.8 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 335 页 | 1.44 MB | 1 年前3
- Scrapy 1.7 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 306 页 | 1.23 MB | 1 年前3
- Scrapy 1.0 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive Introduction to Selectors There are several ways to extract data from web pages. Scrapy uses a mechanism based on XPath or CSS expressions called Scrapy Selectors. For more information about selectors and other0 码力 | 244 页 | 1.05 MB | 1 年前3
- Scrapy 2.0 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 336 页 | 1.31 MB | 1 年前3
- Scrapy 2.1 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 342 页 | 1.32 MB | 1 年前3
- Scrapy 2.2 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 348 页 | 1.35 MB | 1 年前3
- Scrapy 2.3 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 352 页 | 1.36 MB | 1 年前3
- Scrapy 2.4 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive Release 2.4.1 Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 354 页 | 1.39 MB | 1 年前3
- Scrapy 1.3 Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the shell Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 272 页 | 1.11 MB | 1 年前3
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