{"id":237,"date":"2021-07-27T03:06:00","date_gmt":"2021-07-27T03:06:00","guid":{"rendered":"https:\/\/262235.xyz\/?p=237"},"modified":"2021-07-27T03:06:00","modified_gmt":"2021-07-27T03:06:00","slug":"237","status":"publish","type":"post","link":"https:\/\/lyvba.com\/index.php\/2021\/07\/27\/237\/","title":{"rendered":"XPath Helper  \u8f7b\u677e\u63d0\u53d6\u3001\u7f16\u8f91\u548c\u8bc4\u4f30 XPath \u67e5\u8be2"},"content":{"rendered":"<p><a href=\"https:\/\/lyvba.com\/wp-content\/uploads\/2021\/07\/4181859471.png\"><img decoding=\"async\" src=\"https:\/\/lyvba.com\/wp-content\/uploads\/2021\/07\/4181859471.png\" alt=\"xpath.png\" title=\"xpath.png\"><\/a><\/p>\n<h2>XPath Helper  \u7b80\u5355\u4f7f\u7528\u65b9\u6cd5<\/h2>\n<ul>\n<li>1.\u5f00\u542f\u63d2\u4ef6 (ctrl+shif+x)<\/li>\n<li>2.\u9f20\u6807\u79fb\u52a8\u5230\u4e00\u4e2a\u6807\u9898\u4e0a\u65b9<\/li>\n<li>3.\u6309 shift \u952e\uff0c\u63d0\u53d6xpath<\/li>\n<li>4.\u5220\u9664xpath\u5c3e\u90e8[\u65b9\u62ec\u53f7]<\/li>\n<\/ul>\n<h3>\u9ad8\u7ea7\u4f7f\u7528\u65b9\u6cd5  F12 \u9009\u62e9\u6e90\u7801  copy full xpath<\/h3>\n<h2>\u5b89\u88c5  scrapy.Spider<\/h2>\n<ul>\n<li>\n<p><a href=\"https:\/\/github.com\/hongwenjun\/makebook\">https:\/\/github.com\/hongwenjun\/makebook<\/a><\/p>\n<pre><code>\n  #\u83b7\u53d6\u5c0f\u8bf4\u540d\u5b57,\u7ae0\u8282\u7684\u540d\u5b57\u548c\u5185\u5bb9\n  def parse_content(self, response):\n      #\u5c0f\u8bf4\u540d\u5b57\n      name = response.xpath('\/html\/body\/div[2]\/div[1]\/div[1]\/p\/a[2]\/text()').extract_first()\n      result = response.text\n      #\u5c0f\u8bf4\u7ae0\u8282\u540d\u5b57\n      chapter_name = response.xpath('\/html\/body\/div[2]\/div\/div[2]\/h2\/text()').extract_first()<\/code><\/pre>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>XPath Helper \u7b80\u5355\u4f7f\u7528\u65b9\u6cd5 1.\u5f00\u542f\u63d2\u4ef6 (ctrl+shif+x) 2.\u9f20\u6807\u79fb\u52a8\u5230\u4e00\u4e2a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[21],"class_list":["post-237","post","type-post","status-publish","format-standard","hentry","category-learn","tag-xpath"],"_links":{"self":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts\/237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/comments?post=237"}],"version-history":[{"count":0,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts\/237\/revisions"}],"wp:attachment":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/media?parent=237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/categories?post=237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/tags?post=237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}