{"id":455,"date":"2023-02-05T22:01:31","date_gmt":"2023-02-05T14:01:31","guid":{"rendered":"http:\/\/blog.yuekegu.com\/?p=455"},"modified":"2023-02-05T22:01:31","modified_gmt":"2023-02-05T14:01:31","slug":"django%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%9akeyerror","status":"publish","type":"post","link":"https:\/\/blog.yuekegu.com\/?p=455","title":{"rendered":"Django\u5b66\u4e60\u7b14\u8bb0\uff1aKeyError"},"content":{"rendered":"\n<p>\u5904\u7406Python\u5173\u4e8eDict\u7684\u9519\u8befKeyError\u7684\u529e\u6cd5\u633a\u591a\uff0c\u4e0d\u8fc7\u5c31\u8bb0\u4e0b\u4e862\u4e2a\uff1a<\/p>\n\n\n\n<p>\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528setdefault()\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u5982<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">data.setdefault('error', 0)<\/pre>\n\n\n\n<p>\u65b9\u6cd5\u4e8c\uff1a\u5bfc\u5165collections\uff0c\u4f7f\u7528defaultdict\u65b9\u6cd5<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">data = collections.defaultdict(list, data)<\/pre>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>\u5904\u7406Python\u5173\u4e8eDict\u7684\u9519\u8befKeyError\u7684\u529e\u6cd5\u633a\u591a\uff0c\u4e0d\u8fc7\u5c31\u8bb0\u4e0b\u4e862\u4e2a\uff1a \u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528setdefau &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/blog.yuekegu.com\/?p=455\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cDjango\u5b66\u4e60\u7b14\u8bb0\uff1aKeyError\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"post_thumbnail_image":"","content_first_image":"","post_medium_image_300":"","post_thumbnail_image_624":"","post_frist_image":"","post_medium_image":"","post_large_image":"","post_full_image":"","post_all_images":[],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":5,"total_comments":0,"category_name":"Django","post_date":"2023-02-05","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":false,"avatarurls":[],"related_posts":null,"pageviews":736,"next_post_id":458,"next_post_title":"Django\u6839\u636e\u5df2\u6709\u7684\u6570\u636e\u5e93\u6765\u751f\u6210\u6a21\u578b","previous_post_id":446,"previous_post_title":"Django\u8be6\u89e3\u4e4bmodels\u64cd\u4f5c","_links":{"self":[{"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=\/wp\/v2\/posts\/455"}],"collection":[{"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=455"}],"version-history":[{"count":1,"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=\/wp\/v2\/posts\/455\/revisions"}],"predecessor-version":[{"id":456,"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=\/wp\/v2\/posts\/455\/revisions\/456"}],"wp:attachment":[{"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.yuekegu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}