{"id":175839,"date":"2024-11-08T09:25:17","date_gmt":"2024-11-08T01:25:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175839\/"},"modified":"2024-11-08T09:25:18","modified_gmt":"2024-11-08T01:25:18","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-2-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175839\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 2 &#8211; \u932f\u8aa4\u7684\u503c"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-2-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%80%bc-TxjROytGND\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 2 &#8211; 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id=\"%e5%a6%82%e4%bd%95%e8%ad%98%e5%88%a5%e9%8c%af%e8%aa%a4-TxjROytGND\">\u5982\u4f55\u8b58\u5225\u932f\u8aa4<\/h2>\n<p>\u7576MongoDB\u8fd4\u56de\u932f\u8aa4\u4ee3\u78bc\u6642\uff0c\u901a\u5e38\u6703\u9644\u5e36\u4e00\u689d\u932f\u8aa4\u6d88\u606f\uff0c\u9019\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u932f\u8aa4\u6d88\u606f\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n{\n    \"ok\": 0,\n    \"errmsg\": \"E11000 duplicate key error collection: test.users index: username_1 dup key: { : \"john_doe\" }\",\n    \"code\": 11000\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u932f\u8aa4\u6d88\u606f\u6e05\u695a\u5730\u6307\u51fa\u4e86\u91cd\u8907\u7684\u9375\u503c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9019\u4e9b\u4fe1\u606f\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4%e7%9a%84%e6%ad%a5%e9%a9%9f-TxjROytGND\">\u4fee\u5fa9\u932f\u8aa4\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-TxjROytGND\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u8981\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u985e\u578b\u3002\u78ba\u4fdd\u6240\u6709\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u8207MongoDB\u96c6\u5408\u4e2d\u5b9a\u7fa9\u7684\u985e\u578b\u76f8\u7b26\u3002\u4f8b\u5982\uff0c\u5982\u679c\u67d0\u500b\u5b57\u6bb5\u5b9a\u7fa9\u70ba\u6574\u6578\uff0c\u5247\u5fc5\u9808\u63d0\u4f9b\u6574\u6578\u503c\uff1a<\/p>\n<pre><code>\ndb.users.insert({\n    username: \"john_doe\",\n    age: 30 \/\/ \u78ba\u4fdd\u9019\u88e1\u662f\u6574\u6578\n});\n<\/code><\/pre>\n<h3 id=\"2-%e9%a9%97%e8%ad%89%e5%bf%85%e5%a1%ab%e5%ad%97%e6%ae%b5-TxjROytGND\">2. \u9a57\u8b49\u5fc5\u586b\u5b57\u6bb5<\/h3>\n<p>\u78ba\u4fdd\u6240\u6709\u5fc5\u586b\u5b57\u6bb5\u90fd\u5df2\u63d0\u4f9b\u3002\u5982\u679c\u67d0\u500b\u5b57\u6bb5\u662f\u5fc5\u586b\u7684\uff0c\u5247\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6642\u5fc5\u9808\u5305\u542b\u8a72\u5b57\u6bb5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\ndb.users.insert({\n    username: \"john_doe\",\n    \/\/ age: 30 \/\/ \u5982\u679cage\u662f\u5fc5\u586b\u5b57\u6bb5\uff0c\u9019\u88e1\u6703\u5c0e\u81f4\u932f\u8aa4\n});\n<\/code><\/pre>\n<h3 id=\"3-%e6%a0%bc%e5%bc%8f%e5%8c%96%e6%95%b8%e6%93%9a-TxjROytGND\">3. \u683c\u5f0f\u5316\u6578\u64da<\/h3>\n<p>\u5c0d\u65bc\u65e5\u671f\u548c\u5176\u4ed6\u7279\u5b9a\u683c\u5f0f\u7684\u6578\u64da\uff0c\u8acb\u78ba\u4fdd\u5b83\u5011\u7b26\u5408MongoDB\u7684\u8981\u6c42\u3002\u4f8b\u5982\uff0c\u65e5\u671f\u61c9\u4f7f\u7528ISO\u683c\u5f0f\uff1a<\/p>\n<pre><code>\ndb.users.insert({\n    username: \"john_doe\",\n    createdAt: new Date(\"2023-10-01T00:00:00Z\") \/\/ \u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u65e5\u671f\u683c\u5f0f\n});\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TxjROytGND\">\u7e3d\u7d50<\/h2>\n<p>\u4fee\u5fa9MongoDB\u7684\u300c\u932f\u8aa4\u7684\u503c\u300d\u932f\u8aa4\u4ee3\u78bc\u9700\u8981\u958b\u767c\u8005\u4ed4\u7d30\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u5fc5\u586b\u5b57\u6bb5\u548c\u6578\u64da\u683c\u5f0f\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\u548c\u5b8c\u6574\u6027\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a 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