{"id":207319,"date":"2025-07-08T11:26:24","date_gmt":"2025-07-08T03:26:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207319\/"},"modified":"2025-07-08T11:26:24","modified_gmt":"2025-07-08T03:26:24","slug":"%e5%a4%8d%e5%90%88%e6%96%87%e5%ad%97%e4%bd%bf%e7%94%a8%e6%97%a0%e9%94%ae%e5%ad%97%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207319\/","title":{"rendered":"\u590d\u5408\u6587\u5b57\u4f7f\u7528\u65e0\u952e\u5b57\u6bb5"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u590d\u5408\u6587\u5b57\u4f7f\u7528\u65e0\u952e\u5b57\u6bb5<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-21 18:18:35<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u590d\u5408\u6587\u5b57\u4f7f\u7528\u65e0\u952e\u5b57\u6bb5\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u6b63\u5728\u4f7f\u7528 golang \u7684\u65b0\u5b98\u65b9 mongodb \u9a71\u52a8\u7a0b\u5e8f\u3002\u6211\u521b\u5efa\u4e86\u4e00\u4e2a\u590d\u6742\u7684\u67e5\u8be2\uff0c\u5c06\u6570\u636e\u63d2\u5165 mongo db\uff0c\u7136\u540e\u6839\u636e\u5143\u7d20\u503c\u5bf9\u5176\u8fdb\u884c\u6392\u5e8f\u3002\u6211\u6b63\u5728\u4f7f\u7528\u4e00\u4e2a\u8fc7\u6ee4\u5668\uff0c\u5176\u4e2d\u6211\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e86 bson \u7c7b\u578b\uff1a-<\/p>\n<pre>filter := bson.D{{\"autorefid\", \"100\"}}<\/pre>\n<p>\u4f46\u5b83\u663e\u793a\u4e00\u6761\u8b66\u544a\uff1a<\/p>\n<p> primitive.e \u590d\u5408\u6587\u5b57\u4f7f\u7528\u65e0\u952e\u5b57\u6bb5 <\/p>\n<p>\u8fd9\u4e9b\u8b66\u544a\u5728\u6211\u7684\u4ee3\u7801\u4e2d\u9020\u6210\u4e86\u6df7\u4e71\u3002<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u5c06\u68c0\u67e5\u6807\u5fd7\u8bbe\u7f6e\u4e3a false \u6765\u505c\u6b62\u8b66\u544a\u3002<\/p>\n<pre>$ go doc cmd\/vet<\/pre>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6267\u884c\u6240\u6709\u68c0\u67e5\u3002\u5982\u679c\u4efb\u4f55\u6807\u5fd7\u663e\u5f0f\u8bbe\u7f6e\u4e3a true\uff0c\u5219\u4ec5\u8fd0\u884c\u8fd9\u4e9b\u6d4b\u8bd5\u3002\u76f8\u53cd\uff0c\u5982\u679c\u6709\u4efb\u4f55\u6807\u5fd7 \u660e\u786e\u8bbe\u7f6e\u4e3a false\uff0c\u53ea\u6709\u90a3\u4e9b\u6d4b\u8bd5\u88ab\u7981\u7528\u3002\u56e0\u6b64 -printf=true \u8fd0\u884c printf \u68c0\u67e5\uff0c-printf=false \u8fd0\u884c\u9664 printf \u68c0\u67e5\u4e4b\u5916\u7684\u6240\u6709\u68c0\u67e5\u3002<\/p>\n<pre>unkeyed composite literals\n\nflag: -composites\n\ncomposite struct literals that do not use the field-keyed syntax.<\/pre>\n<p>\u4f46\u51fa\u73b0\u8b66\u544a\u662f\u7531\u4e8e\u5728 <code>primitive.e<\/code> \u7ed3\u6784\u4f53\u4e2d\u8bbe\u7f6e\u503c\u65f6\u672a\u63d0\u4f9b\u952e\u540d\u79f0\u3002<\/p>\n<p>\u4e3a <code>primitive.e<\/code> \u7ed3\u6784\u8bbe\u7f6e\u952e\u5c06\u5220\u9664\u8b66\u544a\u6d88\u606f\u3002\u4f8b\u5982<\/p>\n<pre>filter := bson.d{primitive.e{key: \"autorefid\", value: \"100\"}}<\/pre>\n<p>\u5305\u539f\u8bed\u5305\u542b\u7c7b\u4f3c\u4e8e bson \u7684 go \u539f\u8bed\u7684\u7c7b\u578b \u7c7b\u578b\u4e0d\u80fd\u6709\u76f4\u63a5\u7684 go \u539f\u59cb\u8868\u793a\u3002<\/p>\n<pre>type e struct {\n    key   string\n    value interface{}\n}<\/pre>\n<p>e\u4ee3\u8868d\u7684bson\u5143\u7d20\u3002\u5b83\u901a\u5e38\u5728d\u5185\u90e8\u4f7f\u7528\u3002<\/p>\n<p>\u6709\u5173\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u67e5\u770b <\/p>\n<p>\u60a8\u53ea\u9700\u66f4\u6539\uff1a<\/p>\n<pre>filter := bson.d{{\"autorefid\", \"100\"}}<\/pre>\n<p>\u81f3\uff1a<\/p>\n<pre>filter := bson.D{{Key: \"autorefid\", Value: \"100\"}}<\/pre>\n<p>\/\/\u8df3\u8fc7primitive.e\uff0c\u5982chris w\u6240\u8bf4<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300a\u590d\u5408\u6587\u5b57\u4f7f\u7528\u65e0\u952e\u5b57\u6bb5\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#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-207319","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207319","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=207319"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207319\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207319"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}