{"id":176097,"date":"2024-11-08T10:03:18","date_gmt":"2024-11-08T02:03:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176097\/"},"modified":"2024-11-08T10:03:19","modified_gmt":"2024-11-08T02:03:19","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-57-%e9%bb%9e%e7%8b%80%e5%ad%97%e6%ae%b5%e5%90%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176097\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc – 57 – \u9ede\u72c0\u5b57\u6bb5\u540d"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc – 57 – \u9ede\u72c0\u5b57\u6bb5\u540d<\/h1>\n

\u5728\u4f7f\u7528MongoDB\u7684\u904e\u7a0b\u4e2d\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\u78bc57\uff0c\u9019\u901a\u5e38\u8207\u9ede\u72c0\u5b57\u6bb5\u540d\uff08dotted field names\uff09\u6709\u95dc\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406MongoDB\u6578\u64da\u5eab\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u9ede\u72c0\u5b57\u6bb5\u540d\uff1f<\/h2>\n

\u5728MongoDB\u4e2d\uff0c\u9ede\u72c0\u5b57\u6bb5\u540d\u662f\u6307\u5b57\u6bb5\u540d\u7a31\u4e2d\u5305\u542b\u9ede\uff08.\uff09\u7684\u60c5\u6cc1\u3002\u9019\u7a2e\u547d\u540d\u65b9\u5f0f\u5728\u5d4c\u5957\u6587\u6a94\u4e2d\u975e\u5e38\u5e38\u898b\uff0c\u56e0\u70ba\u5b83\u5141\u8a31\u958b\u767c\u8005\u4ee5\u5c64\u6b21\u7d50\u69cb\u7684\u65b9\u5f0f\u7d44\u7e54\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u5305\u542b\u9ede\u72c0\u5b57\u6bb5\u540d\u7684\u6587\u6a94\uff1a<\/p>\n

{\n    \"user\": {\n        \"name\": \"John\",\n        \"address.city\": \"Hong Kong\",\n        \"address.zip\": \"12345\"\n    }\n}\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c”address.city”\u548c”address.zip”\u90fd\u662f\u9ede\u72c0\u5b57\u6bb5\u540d\u3002\u96d6\u7136\u9019\u7a2e\u547d\u540d\u65b9\u5f0f\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u662f\u6709\u7528\u7684\uff0c\u4f46\u5b83\u4e5f\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u4ee3\u78bc57\u7684\u51fa\u73fe\u3002<\/p>\n
\u932f\u8aa4\u4ee3\u78bc57\u7684\u539f\u56e0<\/h2>\n
\u932f\u8aa4\u4ee3\u78bc57\u901a\u5e38\u8868\u793a\u5728\u64cd\u4f5cMongoDB\u6587\u6a94\u6642\uff0c\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u5b57\u6bb5\u540d\u7a31\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u7576\u4f60\u5617\u8a66\u4f7f\u7528\u9ede\u72c0\u5b57\u6bb5\u540d\u4f86\u5275\u5efa\u6216\u66f4\u65b0\u6587\u6a94\u6642\uff0cMongoDB\u6703\u62d2\u7d55\u9019\u500b\u64cd\u4f5c\uff0c\u56e0\u70ba\u5b83\u4e0d\u5141\u8a31\u5728\u5b57\u6bb5\u540d\u7a31\u4e2d\u4f7f\u7528\u9ede\u3002\u9019\u662f\u70ba\u4e86\u907f\u514d\u6df7\u6dc6\uff0c\u56e0\u70ba\u9ede\u5728MongoDB\u4e2d\u7528\u65bc\u8868\u793a\u5d4c\u5957\u6587\u6a94\u7684\u5c64\u6b21\u7d50\u69cb\u3002<\/p>\n
\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc57<\/h2>\n
\u8981\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc57\uff0c\u958b\u767c\u8005\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n
1. \u6aa2\u67e5\u5b57\u6bb5\u540d\u7a31<\/h3>\n
\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u6b63\u5728\u4f7f\u7528\u7684\u5b57\u6bb5\u540d\u7a31\uff0c\u78ba\u4fdd\u5b83\u5011\u4e0d\u5305\u542b\u9ede\u3002\u5982\u679c\u6709\uff0c\u8acb\u8003\u616e\u4f7f\u7528\u5176\u4ed6\u5b57\u7b26\u4f86\u66ff\u4ee3\uff0c\u4f8b\u5982\u4e0b\u5283\u7dda\uff08_\uff09\u6216\u99dd\u5cf0\u547d\u540d\u6cd5\u3002\u4f8b\u5982\uff0c\u5c07”address.city”\u6539\u70ba”address_city”\u6216”addressCity”\u3002<\/p>\n
2. \u66f4\u65b0\u6578\u64da\u6a21\u578b<\/h3>\n
\u5982\u679c\u4f60\u7684\u6578\u64da\u6a21\u578b\u4e2d\u5305\u542b\u4e86\u9ede\u72c0\u5b57\u6bb5\u540d\uff0c\u5efa\u8b70\u91cd\u65b0\u8a2d\u8a08\u6578\u64da\u7d50\u69cb\u3002\u53ef\u4ee5\u5c07\u5d4c\u5957\u6587\u6a94\u5c55\u5e73\uff0c\u6216\u8005\u4f7f\u7528\u6578\u7d44\u4f86\u5b58\u5132\u76f8\u95dc\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/p>\n
{\n    \"user\": {\n        \"name\": \"John\",\n        \"address\": {\n            \"city\": \"Hong Kong\",\n            \"zip\": \"12345\"\n        }\n    }\n}\n<\/code><\/pre>\n
3. \u4f7f\u7528MongoDB\u7684\u66f4\u65b0\u64cd\u4f5c<\/h3>\n
\u5728\u66f4\u65b0\u6587\u6a94\u6642\uff0c\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u5b57\u6bb5\u540d\u7a31\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u66f4\u65b0\u6587\u6a94\uff1a<\/p>\n
db.users.update(\n    { \"user.name\": \"John\" },\n    { $set: { \"user.address.city\": \"Hong Kong\" } }\n)\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c”user.address.city”\u662f\u6b63\u78ba\u7684\u5b57\u6bb5\u540d\u7a31\uff0c\u56e0\u70ba\u5b83\u4e0d\u5305\u542b\u9ede\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u932f\u8aa4\u4ee3\u78bc57\u901a\u5e38\u662f\u7531\u65bc\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u9ede\u72c0\u5b57\u6bb5\u540d\u800c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u5b57\u6bb5\u540d\u7a31\u3001\u66f4\u65b0\u6578\u64da\u6a21\u578b\u4ee5\u53ca\u4f7f\u7528\u6b63\u78ba\u7684MongoDB\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u4f60\u7684MongoDB\u6578\u64da\u5eab\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u4f60\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc57\uff0c\u89e3\u6c7a\u9ede\u72c0\u5b57\u6bb5\u540d\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-176097","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176097","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=176097"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176097\/revisions"}],"predecessor-version":[{"id":176098,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176097\/revisions\/176098"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}