{"id":63852,"date":"2024-10-14T03:01:14","date_gmt":"2024-10-13T19:01:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/63852\/"},"modified":"2024-10-14T03:01:14","modified_gmt":"2024-10-13T19:01:14","slug":"mongodb%e8%a1%93%e8%aa%9e-%e5%ad%97%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/63852\/","title":{"rendered":"MongoDB\u8853\u8a9e &#8211; \u5b57\u6bb5"},"content":{"rendered":"<h1 id=\"mongodb%e8%a1%93%e8%aa%9e-%e5%ad%97%e6%ae%b5-WZGqExdvcj\">MongoDB\u8853\u8a9e &#8211; \u5b57\u6bb5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cMongoDB\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684NoSQL\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u7684\u9752\u775e\u3002MongoDB\u7684\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u4f7f\u5176\u6210\u70ba\u8655\u7406\u5927\u91cf\u975e\u7d50\u69cb\u5316\u6578\u64da\u7684\u7406\u60f3\u9078\u64c7\u3002\u5728MongoDB\u4e2d\uff0c\u6709\u8a31\u591a\u8853\u8a9e\u9700\u8981\u4e86\u89e3\uff0c\u5176\u4e2d\u201c\u5b57\u6bb5\u201d\u662f\u6700\u57fa\u672c\u4e14\u91cd\u8981\u7684\u6982\u5ff5\u4e4b\u4e00\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%97%e6%ae%b5%ef%bc%9f-WZGqExdvcj\">\u4ec0\u9ebc\u662f\u5b57\u6bb5\uff1f<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u5b57\u6bb5\uff08Field\uff09\u662f\u6587\u6a94\uff08Document\uff09\u4e2d\u7684\u4e00\u500b\u9375\u503c\u5c0d\u3002\u6bcf\u500b\u6587\u6a94\u90fd\u662f\u4e00\u500b\u985e\u4f3c\u65bcJSON\u7684\u7d50\u69cb\uff0c\u5305\u542b\u591a\u500b\u5b57\u6bb5\u3002\u5b57\u6bb5\u7684\u540d\u7a31\u662f\u9375\uff0c\u5b57\u6bb5\u7684\u503c\u53ef\u4ee5\u662f\u5404\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u6578\u5b57\u3001\u6578\u7d44\u3001\u5c0d\u8c61\u7b49\u3002<\/p>\n<h3 id=\"%e5%ad%97%e6%ae%b5%e7%9a%84%e7%b5%90%e6%a7%8b-WZGqExdvcj\">\u5b57\u6bb5\u7684\u7d50\u69cb<\/h3>\n<p>\u4e00\u500b\u5178\u578b\u7684MongoDB\u6587\u6a94\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code>{\n    \"_id\": ObjectId(\"60d5f484f1a2c8b1f8e4e1a1\"),\n    \"name\": \"John Doe\",\n    \"age\": 30,\n    \"email\": \"john.doe@example.com\",\n    \"address\": {\n        \"street\": \"123 Main St\",\n        \"city\": \"Hong Kong\",\n        \"zip\": \"10001\"\n    },\n    \"hobbies\": [\"reading\", \"traveling\", \"swimming\"]\n}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6587\u6a94\u5305\u542b\u4e86\u591a\u500b\u5b57\u6bb5\uff0c\u5982\u201cname\u201d\u3001\u201cage\u201d\u3001\u201cemail\u201d\u3001\u201caddress\u201d\u548c\u201chobbies\u201d\u3002\u6bcf\u500b\u5b57\u6bb5\u90fd\u6709\u5176\u7279\u5b9a\u7684\u6578\u64da\u985e\u578b\u548c\u7d50\u69cb\u3002<\/p>\n<h2 id=\"%e5%ad%97%e6%ae%b5%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-WZGqExdvcj\">\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b<\/h2>\n<p>MongoDB\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u9019\u4f7f\u5f97\u5b57\u6bb5\u7684\u8a2d\u8a08\u975e\u5e38\u9748\u6d3b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>String<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u6587\u672c\u6578\u64da\u3002<\/li>\n<li><strong>Integer<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u6574\u6578\u3002<\/li>\n<li><strong>Double<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u6d6e\u9ede\u6578\u3002<\/li>\n<li><strong>Boolean<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u771f\u6216\u5047\u7684\u503c\u3002<\/li>\n<li><strong>Array<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u6578\u7d44\u3002<\/li>\n<li><strong>Object<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u5d4c\u5957\u6587\u6a94\u3002<\/li>\n<li><strong>Date<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%ad%97%e6%ae%b5%e7%9a%84%e5%91%bd%e5%90%8d%e8%a6%8f%e5%89%87-WZGqExdvcj\">\u5b57\u6bb5\u7684\u547d\u540d\u898f\u5247<\/h3>\n<p>\u5728\u8a2d\u8a08MongoDB\u6587\u6a94\u6642\uff0c\u5b57\u6bb5\u7684\u547d\u540d\u898f\u5247\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u5b57\u6bb5\u540d\u7a31\u61c9\u8a72\u5177\u6709\u63cf\u8ff0\u6027\uff0c\u80fd\u5920\u6e05\u695a\u5730\u8868\u9054\u5176\u5167\u5bb9\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u7a7a\u683c\u548c\u7279\u6b8a\u5b57\u7b26\uff0c\u5efa\u8b70\u4f7f\u7528\u99dd\u5cf0\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff1afirstName\uff09\u3002<\/li>\n<li>\u5b57\u6bb5\u540d\u7a31\u61c9\u8a72\u4fdd\u6301\u4e00\u81f4\u6027\uff0c\u4ee5\u4fbf\u65bc\u7dad\u8b77\u548c\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ad%97%e6%ae%b5%e7%9a%84%e6%9f%a5%e8%a9%a2-WZGqExdvcj\">\u5b57\u6bb5\u7684\u67e5\u8a62<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u67e5\u8a62\u8a9e\u8a00\u4f86\u6aa2\u7d22\u7279\u5b9a\u5b57\u6bb5\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>db.users.find({ \"age\": { \"$gt\": 25 } })<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5e74\u9f61\u5927\u65bc25\u7684\u7528\u6236\u6587\u6a94\u3002\u5728\u67e5\u8a62\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5404\u7a2e\u64cd\u4f5c\u7b26\u4f86\u7be9\u9078\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WZGqExdvcj\">\u7e3d\u7d50<\/h2>\n<p>\u5b57\u6bb5\u5728MongoDB\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u7406\u89e3\u5b57\u6bb5\u7684\u7d50\u69cb\u3001\u6578\u64da\u985e\u578b\u548c\u67e5\u8a62\u65b9\u5f0f\u5c0d\u65bc\u6709\u6548\u4f7f\u7528MongoDB\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u64da\u9700\u6c42\u7684\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a 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