{"id":176091,"date":"2024-11-08T10:00:23","date_gmt":"2024-11-08T02:00:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176091\/"},"modified":"2024-11-08T10:00:24","modified_gmt":"2024-11-08T02:00:24","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-54-%e4%b8%8d%e6%98%af%e5%96%ae%e5%80%bc%e5%ad%97%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176091\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc – 54 – \u4e0d\u662f\u55ae\u503c\u5b57\u6bb5"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc – 54 – \u4e0d\u662f\u55ae\u503c\u5b57\u6bb5<\/h1>\n

\u5728\u4f7f\u7528MongoDB\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc54\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u986f\u793a\u70ba\u201c\u4e0d\u662f\u55ae\u503c\u5b57\u6bb5\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u5617\u8a66\u5c0d\u4e00\u500b\u671f\u671b\u70ba\u55ae\u4e00\u503c\u7684\u5b57\u6bb5\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u537b\u767c\u73fe\u8a72\u5b57\u6bb5\u5be6\u969b\u4e0a\u5305\u542b\u591a\u500b\u503c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u932f\u8aa4\u4ee3\u78bc54\u7684\u539f\u56e0<\/h2>\n

MongoDB\u662f\u4e00\u500b\u6587\u6a94\u5c0e\u5411\u7684\u6578\u64da\u5eab\uff0c\u5141\u8a31\u7528\u6236\u4ee5\u9748\u6d3b\u7684\u65b9\u5f0f\u5b58\u5132\u6578\u64da\u3002\u7576\u4f60\u5728MongoDB\u4e2d\u5b9a\u7fa9\u4e00\u500b\u5b57\u6bb5\u6642\uff0c\u901a\u5e38\u6703\u671f\u671b\u8a72\u5b57\u6bb5\u53ea\u5305\u542b\u4e00\u500b\u503c\u3002\u7136\u800c\uff0c\u5982\u679c\u8a72\u5b57\u6bb5\u5be6\u969b\u4e0a\u662f\u4e00\u500b\u6578\u7d44\u6216\u5305\u542b\u591a\u500b\u503c\uff0c\u5247\u5728\u9032\u884c\u67e5\u8a62\u6216\u66f4\u65b0\u64cd\u4f5c\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u932f\u8aa4\u4ee3\u78bc54\u3002<\/p>\n

\u4f8b\u5982\uff0c\u8003\u616e\u4ee5\u4e0b\u6587\u6a94\uff1a<\/p>\n

{\n    \"_id\": 1,\n    \"name\": \"Alice\",\n    \"tags\": [\"developer\", \"designer\"]\n}\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c”tags”\u5b57\u6bb5\u662f\u4e00\u500b\u6578\u7d44\u3002\u5982\u679c\u4f60\u5617\u8a66\u57f7\u884c\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n
db.collection.findOne({ \"tags\": \"developer\" })<\/code><\/pre>\n
\u9019\u6a23\u7684\u67e5\u8a62\u662f\u6709\u6548\u7684\uff0c\u4f46\u5982\u679c\u4f60\u5617\u8a66\u66f4\u65b0\u9019\u500b\u5b57\u6bb5\u70ba\u4e00\u500b\u55ae\u4e00\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n
db.collection.updateOne({ \"_id\": 1 }, { \"$set\": { \"tags\": \"manager\" } })<\/code><\/pre>\n
\u9019\u5c07\u5c0e\u81f4\u932f\u8aa4\u4ee3\u78bc54\uff0c\u56e0\u70ba”tags”\u5b57\u6bb5\u671f\u671b\u7684\u662f\u4e00\u500b\u55ae\u4e00\u503c\uff0c\u4f46\u5be6\u969b\u4e0a\u5b83\u662f\u4e00\u500b\u6578\u7d44\u3002<\/p>\n
\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc54<\/h2>\n
\u8981\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc54\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u4f60\u5e0c\u671b\u5c0d\u8a72\u5b57\u6bb5\u9032\u884c\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n
1. \u78ba\u8a8d\u5b57\u6bb5\u985e\u578b<\/h3>\n
\u5728\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u8981\u78ba\u8a8d\u8a72\u5b57\u6bb5\u7684\u985e\u578b\u3002\u5982\u679c\u4f60\u5e0c\u671b\u5c07\u5b57\u6bb5\u8a2d\u7f6e\u70ba\u55ae\u4e00\u503c\uff0c\u5247\u9700\u8981\u78ba\u4fdd\u8a72\u5b57\u6bb5\u4e0d\u518d\u662f\u6578\u7d44\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u5b57\u6bb5\u7684\u985e\u578b\uff1a<\/p>\n
db.collection.find({ \"_id\": 1 }, { \"tags\": 1 })<\/code><\/pre>\n
2. \u66f4\u65b0\u5b57\u6bb5\u70ba\u55ae\u4e00\u503c<\/h3>\n
\u5982\u679c\u4f60\u78ba\u5b9a\u8981\u5c07\u5b57\u6bb5\u66f4\u65b0\u70ba\u55ae\u4e00\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
db.collection.updateOne({ \"_id\": 1 }, { \"$set\": { \"tags\": [\"manager\"] } })<\/code><\/pre>\n
\u9019\u6a23\u5c07”tags”\u5b57\u6bb5\u66f4\u65b0\u70ba\u4e00\u500b\u5305\u542b\u55ae\u4e00\u503c\u7684\u6578\u7d44\uff0c\u5f9e\u800c\u907f\u514d\u932f\u8aa4\u4ee3\u78bc54\u3002<\/p>\n
3. \u4f7f\u7528$addToSet\u6216$push\u64cd\u4f5c\u7b26<\/h3>\n
\u5982\u679c\u4f60\u5e0c\u671b\u5728\u6578\u7d44\u4e2d\u6dfb\u52a0\u65b0\u503c\u800c\u4e0d\u522a\u9664\u73fe\u6709\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528$addToSet\u6216$push\u64cd\u4f5c\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n
db.collection.updateOne({ \"_id\": 1 }, { \"$addToSet\": { \"tags\": \"manager\" } })<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u5c07”manager”\u6dfb\u52a0\u5230”tags”\u6578\u7d44\u4e2d\uff0c\u800c\u4e0d\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u932f\u8aa4\u4ee3\u78bc54 – \u4e0d\u662f\u55ae\u503c\u5b57\u6bb5\uff0c\u901a\u5e38\u662f\u7531\u65bc\u5c0d\u671f\u671b\u70ba\u55ae\u4e00\u503c\u7684\u5b57\u6bb5\u9032\u884c\u4e0d\u7576\u64cd\u4f5c\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u78ba\u8a8d\u5b57\u6bb5\u985e\u578b\u3001\u9069\u7576\u66f4\u65b0\u5b57\u6bb5\u6216\u4f7f\u7528\u6b63\u78ba\u7684\u64cd\u4f5c\u7b26\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u4e86\u89e3MongoDB\u7684\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\u65b9\u5f0f\u5c0d\u65bc\u907f\u514d\u6b64\u985e\u932f\u8aa4\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u6211\u5011\u7684 \u4e91\u670d\u52a1\u5668<\/a> \u670d\u52d9\u80fd\u5920\u652f\u6301\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\uff0c\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc54\uff0c\u89e3\u6c7a\u201c\u4e0d\u662f\u55ae\u503c\u5b57\u6bb5\u201d\u7684\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u64cd\u4f5c\u9806\u5229\u9032\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-176091","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176091","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=176091"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176091\/revisions"}],"predecessor-version":[{"id":176092,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176091\/revisions\/176092"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}