{"id":205951,"date":"2025-06-12T12:30:29","date_gmt":"2025-06-12T04:30:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205951\/"},"modified":"2025-06-12T12:30:29","modified_gmt":"2025-06-12T04:30:29","slug":"mongo-mgo-v2-%e8%81%9a%e5%90%88%e6%9f%a5%e8%af%a2%ef%bc%9a%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e5%8a%a8%e6%80%81%e6%9d%a1%e4%bb%b6%e5%8c%b9%e9%85%8d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205951\/","title":{"rendered":"## Mongo Mgo v2 \u805a\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6761\u4ef6\u5339\u914d\uff1f"},"content":{"rendered":"

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0
\n\u300a## Mongo Mgo v2 \u805a\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6761\u4ef6\u5339\u914d\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01,
\n,
\nmongo mgo v2\u4e2d \u805a\u5408\u67e5\u8be2 \u52a8\u6001\u6761\u4ef6\u7684\u5b9e\u73b0<\/strong>,\u5728mongo mgo v2\u4e2d\u8fdb\u884c\u805a\u5408\u67e5\u8be2\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u4f7f\u7528\u52a8\u6001\u6761\u4ef6\uff0c\u5373\u53ea\u6709\u5728\u6307\u5b9a\u6761\u4ef6\u5b58\u5728\u65f6\u624d\u4f1a\u5bf9\u5176\u8fdb\u884c\u5339\u914d\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0\u6b64\u9700\u6c42\u3002,
\n\u539f\u59cb\u4ee3\u7801<\/strong>,
\n\u95ee\u9898<\/strong>,\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u7684knowledge_points\u548cdifficulty\u662f\u53ef\u9009\u6761\u4ef6\uff0c\u5373\u53ea\u6709\u5f53\u5b83\u4eec\u5b58\u5728\u76f8\u5e94\u503c\u65f6\u624d\u4f1a\u8fdb\u884c\u5339\u914d\u3002\u5982\u4f55\u4ec5\u5728\u5b58\u5728\u503c\u65f6\u5e94\u7528\u8fd9\u4e9b\u6761\u4ef6\uff1f,
\n\u89e3\u51b3\u65b9\u6848<\/strong>,
\n\u89e3\u91ca<\/strong>,\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a## Mongo Mgo v2 \u805a\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6761\u4ef6\u5339\u914d\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,\u5411query\u4e2d\u6dfb\u52a0\u56fa\u5b9a\u53c2\u6570user_id\uff08\u524d\u63d0\uff1auserid\u5fc5\u987b\u5b58\u5728\uff09\u3002,\u521b\u5efa\u4e00\u4e2amap[string]interface{}\u7c7b\u578b\u7684\u53d8\u91cfquery\uff0c\u7528\u4e8e\u5b58\u50a8\u6700\u7ec8\u7684\u67e5\u8be2\u6761\u4ef6\u3002,\u5982\u679cbankid\u548cdifficulty\u6709\u503c\uff0c\u5219\u5206\u522b\u5411query\u4e2d\u6dfb\u52a0 “bank_id” \u548c “difficulty” \u5b57\u6bb5\u3002,mongo mgo v2\u4e2d \u805a\u5408\u67e5\u8be2 \u52a8\u6001\u6761\u4ef6\u7684\u5b9e\u73b0,\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0
\n\u300a## Mongo Mgo v2 \u805a\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6761\u4ef6\u5339\u914d\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> ## Mongo Mgo v2 \u805a\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6761\u4ef6\u5339\u914d\uff1f<\/span><\/p>\n

## Mongo Mgo v2 \u805a\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6761\u4ef6\u5339\u914d\uff1f<\/h1>\n

2024-10-29 08:52:02<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300a## Mongo Mgo v2 \u805a\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6761\u4ef6\u5339\u914d\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n

<\/p>\n

mongo mgo v2\u4e2d \u805a\u5408\u67e5\u8be2 \u52a8\u6001\u6761\u4ef6\u7684\u5b9e\u73b0<\/strong><\/p>\n

\u5728mongo mgo v2\u4e2d\u8fdb\u884c\u805a\u5408\u67e5\u8be2\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u4f7f\u7528\u52a8\u6001\u6761\u4ef6\uff0c\u5373\u53ea\u6709\u5728\u6307\u5b9a\u6761\u4ef6\u5b58\u5728\u65f6\u624d\u4f1a\u5bf9\u5176\u8fdb\u884c\u5339\u914d\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0\u6b64\u9700\u6c42\u3002<\/p>\n

\u539f\u59cb\u4ee3\u7801<\/strong><\/p>\n

where := bson.m{\"$match\": bson.m{\"user_id\": userid, \"bank_id\": bankid, \"knowledge_points\": bson.m{\"$in\": knowledge}, \"difficulty\": difficulty}}<\/pre>\n
\u95ee\u9898<\/strong><\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u7684knowledge_points\u548cdifficulty\u662f\u53ef\u9009\u6761\u4ef6\uff0c\u5373\u53ea\u6709\u5f53\u5b83\u4eec\u5b58\u5728\u76f8\u5e94\u503c\u65f6\u624d\u4f1a\u8fdb\u884c\u5339\u914d\u3002\u5982\u4f55\u4ec5\u5728\u5b58\u5728\u503c\u65f6\u5e94\u7528\u8fd9\u4e9b\u6761\u4ef6\uff1f<\/p>\n
\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n
var query map[string]interface{}\nquery = make(map[string]interface{})\nquery[\"user_id\"] = userId\nif bankId > 0 {\n    query[\"bank_id\"] = bankId\n}\nif difficulty != \"\" {\n    query[\"difficulty\"] = difficulty\n}\n\nwhere := bson.M{\"$match\": query}<\/pre>\n
\u89e3\u91ca<\/strong><\/p>\n
    \n
  • \u521b\u5efa\u4e00\u4e2amap[string]interface{}\u7c7b\u578b\u7684\u53d8\u91cfquery\uff0c\u7528\u4e8e\u5b58\u50a8\u6700\u7ec8\u7684\u67e5\u8be2\u6761\u4ef6\u3002<\/li>\n
  • \u5411query\u4e2d\u6dfb\u52a0\u56fa\u5b9a\u53c2\u6570user_id\uff08\u524d\u63d0\uff1auserid\u5fc5\u987b\u5b58\u5728\uff09\u3002<\/li>\n
  • \u5982\u679cbankid\u548cdifficulty\u6709\u503c\uff0c\u5219\u5206\u522b\u5411query\u4e2d\u6dfb\u52a0 “bank_id” \u548c “difficulty” \u5b57\u6bb5\u3002<\/li>\n
  • \u5c06query\u8d4b\u503c\u7ed9where\u6761\u4ef6\uff0c\u8fd9\u6837\u4ec5\u5728\u6761\u4ef6\u5b58\u5728\u65f6\u624d\u4f1a\u5e94\u7528\u5b83\u4eec\u3002<\/li>\n<\/ul>\n
    \u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a## Mongo Mgo v2 \u805a\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u5b9e\u73b0\u52a8\u6001\u6761\u4ef6\u5339\u914d\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n
    \n
    \n <\/dt>\n
    \n   Element Table \u8868\u5934\u6587\u5b57\u5bf9\u9f50\uff1a\u5982\u4f55\u89e3\u51b3\u4e24\u4e2a\u5b57\u4e0e\u56db\u4e2a\u5b57\u5bf9\u9f50\u95ee\u9898\uff1f\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   MySQL \u5bfc\u81f4 Load Average \u8fc7\u9ad8\uff0c\u5982\u4f55\u6392\u67e5\u548c\u89e3\u51b3\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9...<\/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-205951","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205951","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=205951"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205951\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}