{"id":204328,"date":"2025-05-29T10:06:35","date_gmt":"2025-05-29T02:06:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204328\/"},"modified":"2025-05-29T10:06:35","modified_gmt":"2025-05-29T02:06:35","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-python-shelve-%e6%a8%a1%e5%9d%97%e5%88%a0%e9%99%a4%e6%96%87%e4%bb%b6%e4%b8%ad%e7%9a%84%e5%85%b3%e9%94%ae%e5%ad%97%e5%92%8c%e6%89%80%e6%9c%89%e5%85%b3%e9%94%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204328\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Python Shelve \u6a21\u5757\u5220\u9664\u6587\u4ef6\u4e2d\u7684\u5173\u952e\u5b57\u548c\u6240\u6709\u5173\u952e\u5b57\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 Python Shelve \u6a21\u5757\u5220\u9664\u6587\u4ef6\u4e2d\u7684\u5173\u952e\u5b57\u548c\u6240\u6709\u5173\u952e\u5b57\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u5982\u4f55\u4f7f\u7528 Python Shelve \u6a21\u5757\u5220\u9664\u6587\u4ef6\u4e2d\u7684\u5173\u952e\u5b57\u548c\u6240\u6709\u5173\u952e\u5b57\uff1f\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241104\/17307171506728a5ded506f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>python shelve \u6a21\u5757<\/strong><\/p>\n<p>shelve \u6a21\u5757\u5141\u8bb8\u4f60\u5c06 python \u5bf9\u8c61\u6301\u4e45\u5316\u5230\u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u7a0d\u540e\u68c0\u7d22\u3002\u90a3\u4e48\uff0c\u5982\u4f55\u5220\u9664 shelve \u6587\u4ef6\u4e2d\u7684\u5173\u952e\u5b57\u548c\u6240\u6709\u5173\u952e\u5b57\u5462\uff1f<\/p>\n<p><strong>\u5220\u9664\u6307\u5b9a\u5173\u952e\u5b57<\/strong><\/p>\n<p>\u8981\u5220\u9664\u7279\u5b9a\u7684\u952e\u503c\u5bf9\uff0c\u53ef\u4ee5\u4f7f\u7528 del \u8bed\u53e5\uff1a<\/p>\n<pre>import shelve\n\n# \u6253\u5f00 shelve \u6587\u4ef6\nwith shelve.open('qwer') as qwer:\n    # \u5220\u9664\u952e 'www'\n    del qwer['www']<\/pre>\n<p><strong>\u5220\u9664\u6240\u6709\u5173\u952e\u5b57<\/strong><\/p>\n<p>\u8981\u5220\u9664 shelve \u6587\u4ef6\u4e2d\u7684\u6240\u6709\u952e\u503c\u5bf9\uff0c\u53ef\u4ee5\u4f7f\u7528 clear() \u65b9\u6cd5\uff1a<\/p>\n<pre>import shelve\n\n# \u6253\u5f00 shelve \u6587\u4ef6\nwith shelve.open('qwer') as qwer:\n    # \u6e05\u9664\u6240\u6709\u952e\u503c\u5bf9\n    qwer.clear()<\/pre>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528 Python Shel&#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-204328","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204328","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=204328"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204328\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}