{"id":208318,"date":"2025-07-08T08:28:43","date_gmt":"2025-07-08T00:28:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208318\/"},"modified":"2025-07-08T08:28:43","modified_gmt":"2025-07-08T00:28:43","slug":"%e4%bd%bf%e7%94%a8-mgo-%e7%9c%81%e7%95%a5%e5%a4%9a%e4%b8%aa%e5%ad%97%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208318\/","title":{"rendered":"\u4f7f\u7528 mgo \u7701\u7565\u591a\u4e2a\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>\u4f7f\u7528 mgo \u7701\u7565\u591a\u4e2a\u5b57\u6bb5<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-05-01 18:24:35<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4f7f\u7528 mgo \u7701\u7565\u591a\u4e2a\u5b57\u6bb5\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u6709\u4ee5\u4e0b\u7ed3\u6784\uff0c\u6211\u4e0d\u60f3\u63d2\u5165\u5b57\u6bb5 profit \u548c europrofit\u3002<\/p>\n<pre>type order struct {\nprice      float64    `json:\"price\"`\neuroprice  float64    `json:\"euro_price\"`\nprofit     float64    `json:\"profit\" bson:\"_\"`\neuroprofit float64    `json:\"euro_profit\" bson:\"_\"`\ncurrency   *currency  `json:\"currency\"`\ndate       customtime `json:\"date\"` }<\/pre>\n<p>\u6211\u5728 mgo\/bson \u6587\u6863\u4e2d\u8bfb\u5230\u6211\u5fc5\u987b\u6dfb\u52a0 bson:&#8221;_&#8221; \u4ee5\u907f\u514d\u63d2\u5165\u5b83\u4eec\u3002<\/p>\n<p>\u4f46\u662f\u5f53\u6211\u63d2\u5165\u7ed3\u6784\u65f6\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n<pre>Duplicated key '_' in struct model.Order<\/pre>\n<p>\u4e8b\u5b9e\u4e0a\uff0c\u5982\u679c\u6211\u53ea\u8ba9\u4e00\u4e2a&#8217;_&#8217;\uff0c\u5b83\u4f1a\u63d2\u5165\u5230mongodb\u4e2d\uff0c\u6240\u4ee5bson\uff1a\u201c_\u201d\u4f3c\u4e4e\u4e0d\u8d77\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u4f55\u907f\u514d\u63d2\u5165\u5b83\u4eec\uff1f<\/p>\n<p>\u6211\u4f7f\u7528\u4ee5\u4e0b\u5bfc\u5165\uff1a<\/p>\n<p>\u201cgithub.com\/globalsign\/mgo\/bson\u201d<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u8fd9\u770b\u8d77\u6765\u50cf\u662f\u4e00\u4e2a\u9519\u5b57\u3002\u8981\u5ffd\u7565\u5b57\u6bb5\uff0c\u6807\u8bb0\u503c\u5fc5\u987b\u662f\u8fde\u5b57\u7b26\uff0c\u800c\u4e0d\u662f\u4e0b\u5212\u7ebf\u3002<\/p>\n<pre>Profit     float64    `json:\"profit\" bson:\"-\"`\nEuroProfit float64    `json:\"euro_profit\" bson:\"-\"`<\/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\u4e8eGolang\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>\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-208318","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208318","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=208318"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208318\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}