{"id":1923,"date":"2020-07-29T19:31:32","date_gmt":"2020-07-29T11:31:32","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1923"},"modified":"2020-07-29T19:31:32","modified_gmt":"2020-07-29T11:31:32","slug":"python-%e7%9a%84-shelve-%e6%a8%a1%e5%9d%97%e4%ba%8c%e8%bf%9b%e5%88%b6%e5%ad%98%e5%82%a8","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1923","title":{"rendered":"Python \u7684 shelve \u6a21\u5757\u4e8c\u8fdb\u5236\u5b58\u50a8"},"content":{"rendered":"<div>\n<div>\n<div>\n<div>\u5229\u7528 Python \u7684 shelve \u6a21\u5757\uff0c \u53ef\u4ee5\u5c06\u7a0b\u5e8f\u4e2d\u9700\u8981\u4fdd\u5b58\u7684\u6570\u636e\uff0c\u4ee5\u4e8c\u8fdb\u5236\u653e\u5165 shelf \u6587\u4ef6\u4e2d\u3002\u53e6\u4e00\u4e2a\u7a0b\u5e8f\u5c31\u53ef\u4ee5\u8bfb\u53d6 shelf \u6587\u4ef6\uff0c\u7528\u4e8e\u4e1a\u52a1\u903b\u8f91\u3002\u4e5f\u5c31\u662f\u8bf4 shelve \u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u6301\u4e45\u5316\uff0c\u53ea\u4e0d\u8fc7\u683c\u5f0f\u662f\u4e8c\u8fdb\u5236\u5f62\u5f0f\u3002<\/div>\n<\/div>\n<\/div>\n<\/div>\n<article>\u5199\u5165\u6570\u636e\uff1a<\/p>\n<div>\n<pre>import shelve\n\\'\\'\\'\n\u4f7f\u7528 shelve \u8bfb\u5199\u53d8\u91cf\n\\'\\'\\'\n# \u5199\u5165\u6570\u636e\u6587\u4ef6\nshelf_file = shelve.open(\\'book_data\\')\nbooks = [\\'\u4e91\u6e38\\', \\'\u4eba\u751f\u5341\u4e8c\u6cd5\u5219\\', \\'\u4e00\u573a\u6e38\u620f\u4e00\u6b21\u6d88\u9063\\']\nshelf_file[\\'books\\'] = books\nshelf_file.close()\n<\/pre>\n<\/div>\n<p>\u8bfb\u53d6\u6570\u636e\uff1a<\/p>\n<div>\n<pre>shelf_file = shelve.open(\\'book_data\\')\nprint(list(shelf_file.keys()))\nprint(list(shelf_file.values()))\nshelf_file.close()\n<\/pre>\n<\/div>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n<blockquote><p>[\\&#8217;books\\&#8217;]<br \/>\n[[\\&#8217;\u4e91\u6e38\\&#8217;, \\&#8217;\u4eba\u751f\u5341\u4e8c\u6cd5\u5219\\&#8217;, \\&#8217;\u4e00\u573a\u6e38\u620f\u4e00\u6b21\u6d88\u9063\\&#8217;]]<\/p><\/blockquote>\n<p>shelf \u7c7b\u578b\u7684\u503c\u62e5\u6709 keys() \u548c values() \u65b9\u6cd5\uff0c \u5b83\u4eec\u4f1a\u5206\u522b\u8fd4\u56de shelf \u4e2d\u7c7b\u4f3c\u5217\u8868\u5f62\u5f0f\u7684\u952e\u6216\u503c\u3002\u56e0\u4e3a\u53ea\u662f\u7c7b\u4f3c\uff0c\u6240\u4ee5\u5e94\u8be5\u5c06\u5b83\u4eec\u4f20\u9012\u7ed9 list() \u51fd\u6570\uff0c \u8fd4\u56de\u771f\u6b63\u7684\u5217\u8868\u3002<br \/>\nshelve \u6a21\u5757\u4f1a\u5728\u6267\u884c\u76ee\u5f55\uff0c\u65b0\u5efa\u4e09\u4e2a\u6301\u4e45\u5316\u6587\u4ef6\uff1a<\/p>\n<pre>book_data.bak\nbook_data.dat\nbook_data.dir<\/pre>\n<div>\n<div>\n<div><\/div>\n<div data-width=\\\"194\\\" data-height=\\\"84\\\"><span style=\\\"font-size: 1rem;\\\">\u5982\u679c\u5e0c\u671b\u4fdd\u5b58 Python \u7a0b\u5e8f\u4e2d\u7684\u6570\u636e\uff0c\u4f7f\u7528 shelve \u6a21\u5757\u5c31\u5f88\u65b9\u4fbf<\/span><\/div>\n<\/div>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528 Python \u7684 shelve \u6a21\u5757\uff0c \u53ef\u4ee5\u5c06\u7a0b\u5e8f\u4e2d\u9700\u8981\u4fdd\u5b58\u7684\u6570\u636e\uff0c\u4ee5\u4e8c\u8fdb\u5236\u653e\u5165 shelf \u6587\u4ef6\u4e2d\u3002\u53e6 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=1923\"> <span class=\"screen-reader-text\">Python \u7684 shelve \u6a21\u5757\u4e8c\u8fdb\u5236\u5b58\u50a8<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[106,126],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":0,"uagb_excerpt":"\u5229\u7528 Python \u7684 shelve \u6a21\u5757\uff0c \u53ef\u4ee5\u5c06\u7a0b\u5e8f\u4e2d\u9700\u8981\u4fdd\u5b58\u7684\u6570\u636e\uff0c\u4ee5\u4e8c\u8fdb\u5236\u653e\u5165 shelf \u6587\u4ef6\u4e2d\u3002\u53e6&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1923"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1923"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1923\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1923"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}