Scrapy 2.10 Documentationtry selecting elements using CSS with the response object: >>> response.css("title") [query='descendant-or-self::title' data=' Quotes to Scrape '>] The result of running response ['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify Scrapy selectors also support using XPath expressions: >>> response.xpath("//title") [ query='//title' data=' Quotes to Scrape '>] >>> response.xpath("//title/text()").get() 'Quotes0 码力 | 419 页 | 1.73 MB | 1 年前3
Scrapy 2.9 Documentationtry selecting elements using CSS with the response object: >>> response.css("title") [query='descendant-or-self::title' data=' Quotes to Scrape '>] The result of running response ['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify Scrapy selectors also support using XPath expressions: >>> response.xpath("//title") [ query='//title' data=' Quotes to Scrape '>] >>> response.xpath("//title/text()").get() 'Quotes0 码力 | 409 页 | 1.70 MB | 1 年前3
Scrapy 2.11.1 Documentationtry selecting elements using CSS with the response object: >>> response.css("title") [query='descendant-or-self::title' data=' Quotes to Scrape '>] The result of running response ['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify Scrapy selectors also support using XPath expressions: >>> response.xpath("//title") [ query='//title' data=' Quotes to Scrape '>] >>> response.xpath("//title/text()").get() 'Quotes0 码力 | 425 页 | 1.76 MB | 1 年前3
Scrapy 2.11 Documentationtry selecting elements using CSS with the response object: >>> response.css("title") [query='descendant-or-self::title' data=' Quotes to Scrape '>] The result of running response ['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify Scrapy selectors also support using XPath expressions: >>> response.xpath("//title") [ query='//title' data=' Quotes to Scrape '>] >>> response.xpath("//title/text()").get() 'Quotes0 码力 | 425 页 | 1.76 MB | 1 年前3
Scrapy 2.11.1 Documentationtry selecting elements using CSS with the response object: >>> response.css("title") [query='descendant-or-self::title' data=' Quotes to Scrape '>] The result of running response ['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify Scrapy selectors also support using XPath expressions: >>> response.xpath("//title") [ query='//title' data=' Quotes to Scrape '>] >>> response.xpath("//title/text()").get() 'Quotes0 码力 | 425 页 | 1.79 MB | 1 年前3
Scrapy 2.11 Documentation[https://www.w3.org/TR/selectors] with the response object: >>> response.css("title") [query='descendant-or-self::title' data=' Quotes to Scrape '>] The result of running response ['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify XPath [https://www.w3.org/TR/xpath/all/] expressions: >>> response.xpath("//title") [ query='//title' data=' Quotes to Scrape '>] >>> response.xpath("//title/text()").get() 'Quotes0 码力 | 528 页 | 706.01 KB | 1 年前3
Scrapy 2.10 Documentation[https://www.w3.org/TR/selectors] with the response object: >>> response.css("title") [query='descendant-or-self::title' data=' Quotes to Scrape '>] The result of running response ['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify XPath [https://www.w3.org/TR/xpath/all/] expressions: >>> response.xpath("//title") [ query='//title' data=' Quotes to Scrape '>] >>> response.xpath("//title/text()").get() 'Quotes0 码力 | 519 页 | 697.14 KB | 1 年前3
Scrapy 2.9 Documentation[https://www.w3.org/TR/selectors] with the response object: >>> response.css("title") [query='descendant-or-self::title' data=' Quotes to Scrape '>] The result of running response ['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify XPath [https://www.w3.org/TR/xpath/all/] expressions: >>> response.xpath("//title") [ query='//title' data=' Quotes to Scrape '>] >>> response.xpath("//title/text()").get() 'Quotes0 码力 | 503 页 | 686.52 KB | 1 年前3
Scrapy 2.11.1 Documentation[https://www.w3.org/TR/selectors] with the response object: >>> response.css("title") [query='descendant-or-self::title' data=' Quotes to Scrape '>] The result of running response ['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify XPath [https://www.w3.org/TR/xpath/all/] expressions: >>> response.xpath("//title") [ query='//title' data=' Quotes to Scrape '>] >>> response.xpath("//title/text()").get() 'Quotes0 码力 | 528 页 | 706.01 KB | 1 年前3
Scrapy 1.3 Documentation['Quotes to Scrape'] There are two things to note here: one is that we’ve added ::text to the CSS query, to mean we want to select only the text elements directly insideelement. If we don’t specify the quote HTML elements with: >>> response.css("div.quote") Each of the selectors returned by the query above allows us to run further queries over their sub-elements. Let’s assign the first selector to Request(next_page, callback=self.parse) def parse_author(self, response): def extract_with_css(query): return response.css(query).extract_first().strip() yield { 'name': extract_with_css('h3.author-title::text') 0 码力 | 272 页 | 1.11 MB | 1 年前3
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