Scrapy 0.16 Documentationprocessed value should be a dict with field_name mapped to values. Examples: loader.add_value('name', u'Color TV') loader.add_value('colours', [u'white', u'blue']) loader.add_value('length', u'100') loader.add_value('name' extracting data from the selected XPath region Examples: # HTML snippet:Color TV
loader.get_xpath('//p[@class="product-name"]') # HTML snippet:the price is $1200
xpath (str) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 203 页 | 931.99 KB | 1 年前3
Scrapy 0.16 Documentationprocessed value should be a dict with field_name mapped to values. Examples: loader.add_value('name', u'Color TV') loader.add_value('colours', [u'white', u'blue']) loader.add_value('length', u'100') loader.add_value('name' extracting data from the selected XPath region Examples: # HTML snippet:Color TV
loader.get_xpath('//p[@class="product-name"]') # HTML snippet:the price is $1200
xpath (str) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 272 页 | 522.10 KB | 1 年前3
Scrapy 1.7 Documentationprocessed value should be a dict with field_name mapped to values. Examples: loader.add_value('name', u'Color TV') loader.add_value('colours', [u'white', u'blue']) loader.add_value('length', u'100') loader.add_value('name' extracting data from the selected XPath region Examples: # HTML snippet:Color TV
loader.get_xpath('//p[@class="product-name"]') # HTML snippet:the price is $1200
xpath (str) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 306 页 | 1.23 MB | 1 年前3
Scrapy 1.8 Documentationprocessed value should be a dict with field_name mapped to values. Examples: loader.add_value('name', u'Color TV') loader.add_value('colours', [u'white', u'blue']) loader.add_value('length', u'100') loader.add_value('name' extracting data from the selected XPath region Examples: # HTML snippet:Color TV
loader.get_xpath('//p[@class="product-name"]') # HTML snippet:the price is $1200
xpath (str) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 335 页 | 1.44 MB | 1 年前3
Scrapy 1.7 Documentationprocessed value should be a dict with field_name mapped to values. Examples: loader.add_value('name', u'Color TV') loader.add_value('colours', [u'white', u'blue']) loader.add_value('length', u'100') loader.add_value('name' extracting data from the selected XPath region Examples: # HTML snippet:Color TV
loader.get_xpath('//p[@class="product-name"]') # HTML snippet:the price is $1200
.html#str]) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 391 页 | 598.79 KB | 1 年前3
Scrapy 2.0 Documentationprocessed value should be a dict with field_name mapped to values. Examples: loader.add_value('name', u'Color TV') loader.add_value('colours', [u'white', u'blue']) loader.add_value('length', u'100') loader.add_value('name' extracting data from the selected XPath region Examples: # HTML snippet:Color TV
loader.get_xpath('//p[@class="product-name"]') # HTML snippet:the price is $1200
xpath (str) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 336 页 | 1.31 MB | 1 年前3
Scrapy 2.1 Documentationprocessed value should be a dict with field_name mapped to values. Examples: loader.add_value('name', u'Color TV') loader.add_value('colours', [u'white', u'blue']) loader.add_value('length', u'100') loader.add_value('name' Chapter 3. Basic concepts Scrapy Documentation, Release 2.1.0 # HTML snippet:Color TV
loader.get_xpath('//p[@class="product-name"]') # HTML snippet:the price is $1200
xpath (str) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 342 页 | 1.32 MB | 1 年前3
Scrapy 2.2 Documentationprocessed value should be a dict with field_name mapped to values. Examples: loader.add_value('name', u'Color TV') loader.add_value('colours', [u'white', u'blue']) loader.add_value('length', u'100') loader.add_value('name' Chapter 3. Basic concepts Scrapy Documentation, Release 2.2.1 # HTML snippet:Color TV
loader.get_xpath('//p[@class="product-name"]') # HTML snippet:the price is $1200
xpath (str) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 348 页 | 1.35 MB | 1 年前3
Scrapy 2.4 Documentation(str) – the CSS selector to extract data from Examples: # HTML snippet:Color TV
loader.add_css('name', 'p.product-name') # HTML snippet:the price is $1200
Examples: 72 Chapter 3. Basic concepts Scrapy Documentation, Release 2.4.1 loader.add_value('name', 'Color TV') loader.add_value('colours', ['white', 'blue']) loader.add_value('length', '100') loader.add_value('name' xpath (str) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 354 页 | 1.39 MB | 1 年前3
Scrapy 2.3 Documentation(str) – the CSS selector to extract data from Examples: # HTML snippet:Color TV
loader.add_css('name', 'p.product-name') # HTML snippet:the price is $1200
processed value should be a dict with field_name mapped to values. Examples: loader.add_value('name', 'Color TV') loader.add_value('colours', ['white', 'blue']) loader.add_value('length', '100') loader.add_value('name' xpath (str) – the XPath to extract data from Examples: # HTML snippet:Color TV
loader.add_xpath('name', '//p[@class="product-name"]') # HTML snippet:the price
0 码力 | 352 页 | 1.36 MB | 1 年前3
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