Scrapy 1.6 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 295 页 | 1.18 MB | 1 年前3- Scrapy 1.7 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 306 页 | 1.23 MB | 1 年前3
- Scrapy 1.8 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 335 页 | 1.44 MB | 1 年前3
Scrapy 1.7 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 391 页 | 598.79 KB | 1 年前3- Scrapy 2.0 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 336 页 | 1.31 MB | 1 年前3
- Scrapy 2.1 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 342 页 | 1.32 MB | 1 年前3
- Scrapy 2.2 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 348 页 | 1.35 MB | 1 年前3
- Scrapy 2.4 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 354 页 | 1.39 MB | 1 年前3
- Scrapy 2.3 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 352 页 | 1.36 MB | 1 年前3
- Scrapy 1.6 DocumentationSelector(text='Click here to go to the Next Page') Converting a node-set to string: >>> sel.xpath('//a//text()').getall() # take a peek at the node-set ['Click here to go to the the ', 'Next Page'] >>> sel.xpath("string(//a[1]//text())").getall() # convert it to string ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of select the first node ['Click here to go to the Next Page'] >>> sel.xpath("string(//a[1])").getall() # convert it to string ['Click here to go to the Next Page'] So, using0 码力 | 374 页 | 581.88 KB | 1 年前3
共 62 条
- 1
- 2
- 3
- 4
- 5
- 6
- 7