{"id":204862,"date":"2025-05-29T09:21:53","date_gmt":"2025-05-29T01:21:53","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204862\/"},"modified":"2025-05-29T09:21:53","modified_gmt":"2025-05-29T01:21:53","slug":"scrapy-%e7%ae%a1%e9%81%93%e6%95%b0%e6%8d%ae%e5%ba%93%e8%bf%9e%e6%8e%a5%e5%87%ba%e9%94%99%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3-opens_spider-%e5%87%bd%e6%95%b0%e6%8b%bc%e5%86%99%e9%94%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204862\/","title":{"rendered":"Scrapy \u7ba1\u9053\u6570\u636e\u5e93\u8fde\u63a5\u51fa\u9519\uff1a\u5982\u4f55\u89e3\u51b3 opens_spider \u51fd\u6570\u62fc\u5199\u9519\u8bef\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Scrapy \u7ba1\u9053\u6570\u636e\u5e93\u8fde\u63a5\u51fa\u9519\uff1a\u5982\u4f55\u89e3\u51b3 opens_spider \u51fd\u6570\u62fc\u5199\u9519\u8bef\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241118\/1731895072673a9f20f37bb.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>scrapy \u7ba1\u9053\u6570\u636e\u5e93\u8fde\u63a5\u51fa\u9519<\/strong><\/p>\n<p>\u5728\u5b66\u4e60 scrapy \u7ba1\u9053\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u4f60\u4f7f\u7528\u6570\u636e\u5e93\u6765\u5b58\u50a8\u6570\u636e\uff0c\u5374\u9047\u5230\u8fde\u63a5\u5931\u8d25\u7684\u95ee\u9898\uff0c\u8fd9\u53ef\u80fd\u662f\u4ee5\u4e0b\u539f\u56e0\u5bfc\u81f4\u7684\uff1a<\/p>\n<p><strong>\u9519\u8bef\u7684\u51fd\u6570\u540d\u79f0<\/strong><\/p>\n<p>\u5728\u521b\u5efa mysql \u7ba1\u9053\u7684 opens_spider \u51fd\u6570\u65f6\uff0c\u51fa\u73b0\u51fd\u6570\u540d\u79f0\u62fc\u5199\u9519\u8bef\u7684\u95ee\u9898\u3002scrapy \u4e2d\u7ba1\u9053\u51fd\u6570\u7684\u540d\u79f0\u662f\u56fa\u5b9a\u7684\uff0copens_spider \u51fd\u6570\u5fc5\u987b\u62fc\u5199\u6b63\u786e\uff0c\u5426\u5219\u65e0\u6cd5\u6210\u529f\u8fde\u63a5\u6570\u636e\u5e93\u3002<\/p>\n<p><strong>\u6b63\u786e\u7684\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>class mysqlPipeline(object):\n    conn = None\n    cursor = None\n\n    # \u8fde\u63a5\u6570\u636e\u5e93\n    def open_spider(self, spider):\n        # ...<\/pre>\n<p>\u66f4\u6b63\u51fd\u6570\u540d\u79f0\u540e\uff0c\u5373\u53ef\u6210\u529f\u8fde\u63a5\u6570\u636e\u5e93\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scrapy \u7ba1\u9053\u6570\u636e\u5e93\u8fde\u63a5\u51fa\u9519&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204862","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204862"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204862\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}