{"id":247423,"date":"2024-01-02T22:05:25","date_gmt":"2024-01-02T14:05:25","guid":{"rendered":"https:\/\/www.idc.net\/help\/247423\/"},"modified":"2024-01-02T22:05:25","modified_gmt":"2024-01-02T14:05:25","slug":"mongodb-%e6%9c%af%e8%af%ad-json","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247423\/","title":{"rendered":"MongoDB \u672f\u8bed &#8211; JSON"},"content":{"rendered":"<p><title id=\"mongodb-%e6%9c%af%e8%af%ad-json-mHUMDSttUO\">MongoDB \u672f\u8bed - JSON<\/title><\/p>\n<h1 id=\"mongodb-%e6%9c%af%e8%af%ad-json-mHUMDSttUO\">MongoDB \u672f\u8bed - JSON<\/h1>\n<p>JSON\uff08JavaScript Object Notation\uff09\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u5e38\u7528\u4e8eWeb\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6570\u636e\u4f20\u8f93\u548c\u5b58\u50a8\u3002\u5728MongoDB\u4e2d\uff0cJSON\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u636e\u683c\u5f0f\uff0c\u7528\u4e8e\u8868\u793a\u6587\u6863\u548c\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n<h2 id=\"json%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%bb%93%e6%9e%84-mHUMDSttUO\">JSON\u7684\u57fa\u672c\u7ed3\u6784<\/h2>\n<p>JSON\u7531\u952e\u503c\u5bf9\u7ec4\u6210\uff0c\u952e\u548c\u503c\u4e4b\u95f4\u4f7f\u7528\u5192\u53f7\u5206\u9694\uff0c\u952e\u503c\u5bf9\u4e4b\u95f4\u4f7f\u7528\u9017\u53f7\u5206\u9694\u3002\u952e\u662f\u5b57\u7b26\u4e32\uff0c\u503c\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u5e03\u5c14\u503c\u3001\u6570\u7ec4\u3001\u5bf9\u8c61\u6216null\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2aJSON\u793a\u4f8b\uff1a<\/p>\n<pre>\n{\n  \"name\": \"John\",\n  \"age\": 30,\n  \"isStudent\": false,\n  \"hobbies\": [\"reading\", \"coding\", \"traveling\"],\n  \"address\": {\n    \"street\": \"123 Main St\",\n    \"city\": \"New York\",\n    \"country\": \"USA\"\n  },\n  \"favoriteFruit\": null\n}\n<\/pre>\n<h2 id=\"mongodb%e4%b8%ad%e7%9a%84json-mHUMDSttUO\">MongoDB\u4e2d\u7684JSON<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u6587\u6863\u662f\u4ee5JSON\u683c\u5f0f\u5b58\u50a8\u7684\u3002\u6587\u6863\u662fMongoDB\u4e2d\u7684\u57fa\u672c\u6570\u636e\u5355\u5143\uff0c\u7c7b\u4f3c\u4e8e\u5173\u7cfb\u6570\u636e\u5e93\u4e2d\u7684\u884c\u3002\u6bcf\u4e2a\u6587\u6863\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684_id\u5b57\u6bb5\uff0c\u7528\u4e8e\u6807\u8bc6\u8be5\u6587\u6863\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2aMongoDB\u6587\u6863\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>\n{\n  \"_id\": ObjectId(\"60a7c4e8a2e8e4a8c4e8a2e8\"),\n  \"name\": \"John\",\n  \"age\": 30,\n  \"isStudent\": false,\n  \"hobbies\": [\"reading\", \"coding\", \"traveling\"],\n  \"address\": {\n    \"street\": \"123 Main St\",\n    \"city\": \"New York\",\n    \"country\": \"USA\"\n  },\n  \"favoriteFruit\": null\n}\n<\/pre>\n<h2 id=\"%e5%9c%a8mongodb%e4%b8%ad%e4%bd%bf%e7%94%a8json-mHUMDSttUO\">\u5728MongoDB\u4e2d\u4f7f\u7528JSON<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528JSON\u6765\u63d2\u5165\u3001\u67e5\u8be2\u3001\u66f4\u65b0\u548c\u5220\u9664\u6587\u6863\u3002<\/p>\n<h3 id=\"%e6%8f%92%e5%85%a5%e6%96%87%e6%a1%a3-mHUMDSttUO\">\u63d2\u5165\u6587\u6863<\/h3>\n<p>\u8981\u63d2\u5165\u4e00\u4e2a\u6587\u6863\uff0c\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684insertOne\u6216insertMany\u65b9\u6cd5\uff0c\u5e76\u5c06\u6587\u6863\u4ee5JSON\u683c\u5f0f\u4f20\u9012\u7ed9\u65b9\u6cd5\u3002<\/p>\n<pre>\ndb.collection.insertOne({\n  \"name\": \"John\",\n  \"age\": 30,\n  \"isStudent\": false\n})\n<\/pre>\n<h3 id=\"%e6%9f%a5%e8%af%a2%e6%96%87%e6%a1%a3-mHUMDSttUO\">\u67e5\u8be2\u6587\u6863<\/h3>\n<p>\u8981\u67e5\u8be2\u6587\u6863\uff0c\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684find\u65b9\u6cd5\uff0c\u5e76\u5c06\u67e5\u8be2\u6761\u4ef6\u4ee5JSON\u683c\u5f0f\u4f20\u9012\u7ed9\u65b9\u6cd5\u3002<\/p>\n<pre>\ndb.collection.find({\n  \"age\": 30\n})\n<\/pre>\n<h3 id=\"%e6%9b%b4%e6%96%b0%e6%96%87%e6%a1%a3-mHUMDSttUO\">\u66f4\u65b0\u6587\u6863<\/h3>\n<p>\u8981\u66f4\u65b0\u6587\u6863\uff0c\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684updateOne\u6216updateMany\u65b9\u6cd5\uff0c\u5e76\u5c06\u66f4\u65b0\u64cd\u4f5c\u4ee5JSON\u683c\u5f0f\u4f20\u9012\u7ed9\u65b9\u6cd5\u3002<\/p>\n<pre>\ndb.collection.updateOne(\n  { \"name\": \"John\" },\n  { $set: { \"age\": 31 } }\n)\n<\/pre>\n<h3 id=\"%e5%88%a0%e9%99%a4%e6%96%87%e6%a1%a3-mHUMDSttUO\">\u5220\u9664\u6587\u6863<\/h3>\n<p>\u8981\u5220\u9664\u6587\u6863\uff0c\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684deleteOne\u6216deleteMany\u65b9\u6cd5\uff0c\u5e76\u5c06\u5220\u9664\u6761\u4ef6\u4ee5JSON\u683c\u5f0f\u4f20\u9012\u7ed9\u65b9\u6cd5\u3002<\/p>\n<pre>\ndb.collection.deleteOne({\n  \"name\": \"John\"\n})\n<\/pre>\n<h2 id=\"%e6%80%bb%e7%bb%93-mHUMDSttUO\">\u603b\u7ed3<\/h2>\n<p>JSON\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u636e\u683c\u5f0f\uff0c\u7528\u4e8e\u8868\u793a\u6587\u6863\u548c\u67e5\u8be2\u7ed3\u679c\u3002\u5728MongoDB\u4e2d\uff0c\u6587\u6863\u4ee5JSON\u683c\u5f0f\u5b58\u50a8\uff0c\u53ef\u4ee5\u4f7f\u7528JSON\u8fdb\u884c\u63d2\u5165\u3001\u67e5\u8be2\u3001\u66f4\u65b0\u548c\u5220\u9664\u64cd\u4f5c\u3002\u4e86\u89e3JSON\u7684\u57fa\u672c\u7ed3\u6784\u548c\u5728MongoDB\u4e2d\u7684\u4f7f\u7528\u65b9\u6cd5\u5bf9\u4e8e\u5f00\u53d1MongoDB\u5e94\u7528\u7a0b\u5e8f\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u53ef\u9760\u7684\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7684\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u672f\u8bed - JSON MongoDB \u672f\u8bed - JSON JSON\uff08JavaScript Obj [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-247423","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=247423"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247423\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}