{"id":29365,"date":"2023-12-31T11:01:49","date_gmt":"2023-03-16T09:00:20","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8node-js-express-mongodb%e5%88%9b%e5%bb%bawebapi%e3%80%82\/"},"modified":"2025-08-12T13:44:51","modified_gmt":"2025-08-12T05:44:51","slug":"%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8node-js-express-mongodb%e5%88%9b%e5%bb%bawebapi%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8node-js-express-mongodb%e5%88%9b%e5%bb%bawebapi%e3%80%82\/","title":{"rendered":"\u5c1d\u8bd5\u4f7f\u7528Node.js + express + MongoDB\u521b\u5efaWebAPI"},"content":{"rendered":"

\u7528\u4e8e\u8f6f\u4ef6Node.js v8.9.1
\nExpress 4.16.0
\nMongoDB v4.0.5
\nmongoose 5.4.7
\nbody-parser 1.18.3<\/p>\n

Node.js\u7248\u672c\u4e3av8.9.1
\nExpress\u7248\u672c\u4e3a4.16.0
\nMongoDB\u7248\u672c\u4e3av4.0.5
\nmongoose\u7248\u672c\u4e3a5.4.7
\nbody-parser\u7248\u672c\u4e3a1.18.3<\/p>\n

\u524d\u63d0 t\u00ed)\u6211\u5df2\u7ecf\u4f7f\u7528Node.js\u548cexpress\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7b80\u5355\u7684WebAPI\u3002<\/p>\n

Node.js\u548cExpress\u7684\u51c6\u5907\u5de5\u4f5c\u53c2\u8003\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5728Node.js\u548cexpress\u4e0a\u521b\u5efa\u53ef\u7528\u7684WebAPI\u3002
\n\u4f7f\u7528Node.js\u548cexpress\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684WebAPI\u3002<\/p>\n

\u51c6\u5907MongoDB<\/p>\n

\u4e0b\u8f7dMongoDB\u7684\u5b89\u88c5\u7a0b\u5e8f\u3002MongoDB\u6709\u4e91\u7248\u672c\u548c\u670d\u52a1\u5668\u7248\u672c\u53ef\u7528\uff0c\u4f46\u8fd9\u6b21\u6211\u60f3\u8981\u5728\u672c\u5730\u4f7f\u7528\u6570\u636e\u5e93\uff0c\u6240\u4ee5\u6211\u4f1a\u4e0b\u8f7d\u670d\u52a1\u5668\u7248\u672c\u3002
\n\u6211\u51c6\u5907\u4e0b\u8f7dMongoDB\u793e\u533a\u7248\u3002<\/p>\n

\u5b89\u88c5MongoDB\u53ea\u9700\u8fd0\u884c\u5b89\u88c5\u7a0b\u5e8f\uff0c\u5e76\u6309\u7167\u5411\u5bfc\u8fdb\u884c\u5b89\u88c5\u5373\u53ef\u3002
\n\u5728\u4e2d\u9014\u4f1a\u8be2\u95ee\u662f\u5426\u8981\u5b89\u88c5MongoDB\u670d\u52a1\uff0c\u9009\u62e9\u9ed8\u8ba4\u9009\u9879\uff0c\u4ee5\u7f51\u7edc\u670d\u52a1\u7528\u6237\u8eab\u4efd\u6267\u884c\u8bbe\u7f6e\u3002<\/p>\n
\"WS000095.JPG\"<\/p>\n

\u8a2d\u7f6e MongoDB \u7684\u8def\u5f91<\/p>\n

\u8bbe\u7f6e\u7cfb\u7edf\u73af\u5883\u53d8\u91cf\u5728Windows\u7cfb\u7edf\u7684\u73af\u5883\u53d8\u91cfPath\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u8def\u5f84\u3002<\/p>\n
\"WS000101.JPG\"<\/p>\n

\u786e\u8ba4MongoDB\u7684\u8def\u5f84\u662f\u5426\u8bbe\u7f6e\u6b63\u786e\u91cd\u542fWindows\uff0c\u5e76\u5728\u547d\u4ee4\u63d0\u793a\u7b26\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n
mongo --verion\r\n<\/code><\/pre>\n
\u5f53\u663e\u793a\u51faMongoDB\u7684\u7248\u672c\u65f6\uff0c\u8868\u793a\u8def\u5f84\u5df2\u7ecf\u8bbe\u7f6e\u6b63\u786e\u3002<\/p>\n
MongoDB\u914d\u7f6e\u6839\u636e\u9700\u8981\u4fee\u6539MongoDB\u7684\u8bbe\u7f6e\u3002
\n\u8bbe\u7f6e\u53ef\u5728MongoDB\u7684\u5b89\u88c5\u76ee\u5f55\\bin\\mongod.cfg\u4e2d\u8fdb\u884c\u3002
\n\u5982\u679c\u8981\u66f4\u6539\u6570\u636e\u5e93\u5b58\u50a8\u4f4d\u7f6e\uff0c\u8bf7\u4fee\u6539storage.dbPath\uff1b\u5982\u679c\u8981\u66f4\u6539\u65e5\u5fd7\u6587\u4ef6\u7684\u8f93\u51fa\u8def\u5f84\uff0c\u8bf7\u4fee\u6539systemLog.path\u3002<\/p>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cstorage.dbPath\u548csystemLog.path\u90fd\u6307\u5411Windows\u7684Proglem Files\u76ee\u5f55\u4e0b\uff0c\u4f46\u7531\u4e8e\u8be5\u76ee\u5f55\u662f\u53ea\u8bfb\u7684\uff0c\u5bfc\u81f4MongoDB\u542f\u52a8\u5931\u8d25\u3002
\n\u56e0\u6b64\uff0c\u9700\u8981\u5728C\u76d8\u7b49\u4f4d\u7f6e\u521b\u5efadata\u6587\u4ef6\u5939\u548clog\u6587\u4ef6\u5939\uff0c\u5e76\u5c06mongod.cfg\u6587\u4ef6\u4e2d\u7684\u8def\u5f84\u66f4\u6539\u4e3a\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u5939\u3002<\/p>\n
# mongod.conf\r\n<\/span>\r\n# for documentation of all options, see:\r\n#   http:\/\/docs.mongodb.org\/manual\/reference\/configuration-options\/\r\n<\/span>\r\n# Where and how to store data.\r\n<\/span>storage:<\/span>\r\n  dbPath:<\/span> C:\\mongo\\data<\/span>\r\n  journal:<\/span>\r\n    enabled:<\/span> true<\/span>\r\n#  engine:\r\n#  mmapv1:\r\n#  wiredTiger:\r\n<\/span>\r\n# where to write logging data.\r\n<\/span>systemLog:<\/span>\r\n  destination:<\/span> file<\/span>\r\n  logAppend:<\/span> true<\/span>\r\n  path:<\/span>  C:\\mongo\\log\\mongod.log<\/span>\r\n\r\n# network interfaces\r\n<\/span>net:<\/span>\r\n  port:<\/span> 27017<\/span>\r\n  bindIp:<\/span> 127.0.0.1<\/span>\r\n\r\n\r\n#processManagement:\r\n<\/span>\r\n#security:\r\n<\/span>\r\n#operationProfiling:\r\n<\/span>\r\n#replication:\r\n<\/span>\r\n#sharding:\r\n<\/span>\r\n## Enterprise-Only Options:\r\n<\/span>\r\n#auditLog:\r\n<\/span>\r\n#snmp:\r\n<\/span><\/code><\/pre>\n
MongoDB\u7684\u542f\u52a8\u548c\u5173\u95ed\u901a\u8fc7Windows\u670d\u52a1\u663e\u793a\u201cMongoDB\u201d\uff0c\u70b9\u51fb\u201c\u5f00\u59cb\u201d\u6309\u94ae\u6765\u542f\u52a8MongoDB\u4f5c\u4e3a\u670d\u52a1\u3002<\/p>\n
\"WS000103.JPG\"\u5728\u5173\u95edMongoDB\u65f6\uff0c\u540c\u6837\u53ef\u4ee5\u901a\u8fc7\u70b9\u51fb\u201c\u505c\u6b62\u201d\u6309\u94ae\u6765\u505c\u6b62MongoDB\u7684\u670d\u52a1\u3002<\/p>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u542f\u52a8\u7c7b\u578b\u8bbe\u7f6e\u4e3a\u201c\u81ea\u52a8\u201d\uff0c\u56e0\u6b64MongoDB\u670d\u52a1\u4f1a\u5728Windows\u542f\u52a8\u65f6\u5f00\u59cb\u8fd0\u884c\u3002<\/p>\n
\u4f7f\u7528\u547d\u4ee4\u63d0\u793a\u7b26\u4e0eMongoDB\u5efa\u7acb\u8fde\u63a5\u3002\u901a\u8fc7\u8f93\u5165\u4e0b\u9762\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u8fde\u63a5\u5230MongoDB\u5e76\u4ee5\u5bf9\u8bdd\u5f62\u5f0f\u64cd\u4f5cMongoDB\u3002<\/p>\n
mongo\r\n<\/code><\/pre>\n
MongoDB\u7684\u57fa\u672c\u64cd\u4f5c<\/p>\n
MongoDB\u7684\u6570\u636e\u7ed3\u6784MongoDB\u7684\u6570\u636e\u7ed3\u6784\u5927\u81f4\u5982\u4e0b\u3002<\/p>\n
\"WS000105.JPG\"\u4e0e\u4e00\u822c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u7684\u8868\u548c\u8bb0\u5f55\u4e0d\u540c\uff0cMongoDB\u4f7f\u7528\u96c6\u5408\u548c\u6587\u6863\u6765\u4fdd\u6301\u6570\u636e\u3002<\/p>\n
\n
RDBMSMongoDB\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30ec\u30b3\u30fc\u30c9\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/p>\n
\u67e5\u770b\u6570\u636e\u5e93\u5217\u8868\u5728\u547d\u4ee4\u63d0\u793a\u7b26\u4e2d\u8f93\u5165\u547d\u4ee4”mongo”\u4ee5\u8fde\u63a5\u5230MongoDB\uff0c\u5e76\u5728\u4e0eMongoDB\u7684\u4ea4\u4e92\u6a21\u5f0f\u4e0b\u8f93\u5165\u547d\u4ee4”show dbs”\u3002<\/p>\n
> show dbs\r\nadmin   0.000GB\r\nconfig  0.000GB\r\nlocal   0.000GB\r\n<\/code><\/pre>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u9884\u5148\u521b\u5efa\u4e86\u4e09\u4e2a\u6570\u636e\u5e93\uff0c\u5305\u62ecadmin\u3001config\u548clocal\u3002<\/p>\n
\u5207\u6362\u4f7f\u7528\u7684\u6570\u636e\u5e93\u5207\u6362\u6570\u636e\u5e93\u65f6\uff0c\u8bf7\u8f93\u5165\u547d\u4ee4\u201cuse [\u8981\u4f7f\u7528\u7684\u6570\u636e\u5e93\u540d\u79f0]\u201d\u3002<\/p>\n
> use local\r\nswitched to db local\r\n<\/code><\/pre>\n
\u67e5\u770b\u6536\u85cf\u5217\u8868\u5f53\u60f3\u67e5\u770b\u6570\u636e\u5e93\u4e0b\u7684\u96c6\u5408\u5217\u8868\u65f6\uff0c\u53ea\u9700\u8f93\u5165”show collections”\u547d\u4ee4\u3002<\/p>\n
> show collections\r\nstartup_log\r\n<\/code><\/pre>\n
\u67e5\u770b\u6536\u85cf\u5939\u4e2d\u7684\u6587\u4ef6\u5982\u679c\u60f3\u67e5\u770b\u96c6\u5408\u4e2d\u7684\u6587\u6863\uff0c\u8bf7\u8f93\u5165\u547d\u4ee4db.[\u96c6\u5408\u540d\u79f0].find()\u3002
\n\u5982\u679c\u60f3\u67e5\u770bstartup_log\u96c6\u5408\u4e2d\u7684\u6587\u6863\uff0c\u5219\u53ef\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n
> db.startup_log.find();\r\n<\/code><\/pre>\n
\u521b\u5efa\u6570\u636e\u5e93\u5982\u679c\u60a8\u60f3\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u5e93\uff0c\u8bf7\u8f93\u5165\u547d\u4ee4\u201cuse [\u8981\u521b\u5efa\u7684\u6570\u636e\u5e93\u540d\u79f0]\u201d\u3002
\n\u867d\u7136\u5207\u6362\u4f7f\u7528\u6570\u636e\u5e93\u7684\u547d\u4ee4\u4e0e\u6b64\u76f8\u540c\uff0c\u4f46\u5982\u679c\u6570\u636e\u5e93\u540d\u79f0\u4e0d\u5b58\u5728\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u521b\u5efa\u6570\u636e\u5e93\u3002<\/p>\n
> use sampledb\r\nswitched to db sampledb\r\n<\/code><\/pre>\n
\u6dfb\u52a0\u6536\u85cf\u8981\u5c06\u96c6\u5408\u6dfb\u52a0\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u9996\u5148\u4f7f\u7528`use [\u6570\u636e\u5e93\u540d]`\u9009\u62e9\u6570\u636e\u5e93\uff0c\u7136\u540e\u8f93\u5165`db.createCollection(‘[\u96c6\u5408\u540d]’)`\u8fd9\u4e2a\u547d\u4ee4\u3002<\/p>\n
> db.createCollection('test_collection')\r\n{ \"ok\" : 1 }\r\n<\/code><\/pre>\n
\u6dfb\u52a0\u6587\u4ef6\u8981\u5411\u96c6\u5408\u4e2d\u6dfb\u52a0\u6587\u6863\uff0c\u9700\u8981\u5728\u9009\u62e9\u4e86\u6570\u636e\u5e93\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528 [\u6570\u636e\u5e93\u540d] \u6765\u9009\u62e9\u5177\u6709\u6dfb\u52a0\u6587\u6863\u7684\u96c6\u5408\uff0c\u5e76\u8f93\u5165 db.[\u96c6\u5408\u540d].insert(); \u8fd9\u4e2a\u547d\u4ee4\u6765\u6267\u884c\u6dfb\u52a0\u6587\u6863\u7684\u64cd\u4f5c\u3002<\/p>\n
> db.test_collection.insert({name:'hogehoge', age:20});\r\nWriteResult({ \"nInserted\" : 1 })\r\n<\/code><\/pre>\n
\u67e5\u770b\u5728find\u4e2d\u6ce8\u518c\u7684\u6587\u6863\u7684\u5185\u5bb9\u3002<\/p>\n
> db.test_collection.find();\r\n{ \"_id\" : ObjectId(\"5c4aba1d3cfc6e2de3998745\"), \"name\" : \"hogehoge\", \"age\" : 20 }\r\n<\/code><\/pre>\n
\u88ab\u968f\u610f\u6dfb\u52a0\u7684_id\u662f\u4e00\u79cd\u53eb\u505aObjectId\u7684\u4e1c\u897f\uff0c\u5c06\u81ea\u52a8\u5206\u914d\u552f\u4e00\u7684\u503c\u3002\uff08\u76f8\u5f53\u4e8eRDBMS\u7684\u552f\u4e00\u952e\uff09<\/p>\n
\u53ea\u9700\u8981\u4e00\u500b\u9078\u64c7\uff1a\u95dc\u65bc\u6b64\u4e8b\u8a00\u4e4b\u904e\u65e9\u3002
\nMongoDB\u7684\u6587\u6863\u6ca1\u6709\u50cf\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u8868\u5b9a\u4e49\u4e00\u6837\u7684\u6982\u5ff5\uff0c\u53ea\u8981\u662fJSON\u683c\u5f0f\u7684\u6587\u6863\uff0c\u65e0\u8bba\u5176\u5185\u90e8\u7684\u6811\u72b6\u7ed3\u6784\u5982\u4f55\uff0c\u90fd\u53ef\u4ee5\u88ab\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\u3002
\n\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a\u96c6\u5408\u4e2d\u6df7\u5408\u4f7f\u7528\u5177\u6709\u201csex\u201d\u5b57\u6bb5\u548c\u4e0d\u5177\u6709\u201csex\u201d\u5b57\u6bb5\u7684\u6587\u6863\u3002<\/p>\n
> db.test_collection.insert({name:'taro', age:30, sex:'men'})\r\nWriteResult({ \"nInserted\" : 1 })\r\n> db.test_collection.find();\r\n{ \"_id\" : ObjectId(\"5c4aba1d3cfc6e2de3998745\"), \"name\" : \"hogehoge\", \"age\" : 20 }\r\n{ \"_id\" : ObjectId(\"5c4abe533cfc6e2de3998746\"), \"name\" : \"taro\", \"age\" : 30, \"sex\" : \"men\" }\r\n<\/code><\/pre>\n
\u4f7f\u7528Node.js+Express+Mongoose\u6765\u5229\u7528MongoDB\u3002<\/p>\n
Mongoose\u662f\u4ec0\u4e48?\u6709\u4e00\u500b\u7a31\u70baMongoose\u7684\u5eab\uff0c\u53ef\u7528\u65bc\u5f9eNode.js\u8a2a\u554fMongoDB\uff0c\u6240\u4ee5\u6211\u5011\u9019\u6b21\u8a66\u8a66\u770b\u4f7f\u7528\u5b83\u3002
\nMongoose\u4f7f\u5f97\u50cfO\/R Mapper\u90a3\u6a23\u53ef\u4ee5\u64cd\u4f5cMongoDB\u7684\u6587\u6a94\uff0c\u4ee5\u5c0d\u8c61\u7d50\u69cb\u9032\u884c\u64cd\u4f5c\u3002
\n\u6709\u95dcO\/R Mapper\u7684\u6982\u8ff0\uff0c\u8acb\u53c3\u8003\u4ee5\u4e0b\u9801\u9762\u3002
\nO\/R Mapping\u7684\u89d2\u8272\u548c\u512a\u52e2<\/p>\n
\u5b89\u88c5Mongoose<\/p>\n
npm install mongoose --save\r\n<\/code><\/pre>\n
\u6211\u53c2\u8003\u4e86\u4ee5\u4e0b\u9875\u9762\u5173\u4e8eMongoose\u7684\u5185\u5bb9\u3002
\n\u4eceNode.js\u8bbf\u95eeMongoDB\uff08\u4ecb\u7ecdMongoose\uff09\u3002<\/p>\n
\u4f7f\u7528 Mongoose \u64cd\u7eb5 MongoDB\u5c1d\u8bd5\u5728\u4f7f\u7528Express\u521b\u5efa\u7684WebAPI\u4e2d\u6dfb\u52a0\u4fdd\u5b58\u6587\u6863\u5230MongoDB\u7684\u529f\u80fd\u3002
\n\u521b\u5efaExpress WebAPI\u7684\u6b65\u9aa4\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u7684Qiita\u3002
\n\u4f7f\u7528Node.js\u548cExpress\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684WebAPI\u3002<\/p>\n
\u9700\u8981\u4f7f\u7528body-parser\u6765\u63d0\u53d6\u5b58\u50a8\u5728POST\u8bf7\u6c42\u7684BODY\u4e2d\u7684\u4fe1\u606f\uff0c\u56e0\u6b64\u8bf7\u4f7f\u7528\u4ee5\u4e0bnpm\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n
npm install body-parser --save\r\n<\/code><\/pre>\n
\u6a21\u5f0f\u5b9a\u4e49\u9996\u5148\uff0c\u5b9a\u4e49\u8868\u793aMongoDB\u5bf9\u8c61\u7ed3\u6784\u7684\u67b6\u6784\u3002
\n\u672c\u4f8b\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aUser\u7684\u67b6\u6784\uff0c\u7528\u4e8e\u5b58\u50a8name\u548cage\u3002<\/p>\n
const<\/span> mongoose<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongoose<\/span>'<\/span>)<\/span>\r\nconst<\/span> Schema<\/span> =<\/span> mongoose<\/span>.<\/span>Schema<\/span>\r\n\r\nconst<\/span> User<\/span> =<\/span> new<\/span> Schema<\/span>({<\/span>\r\n    name<\/span>:<\/span> String<\/span>,<\/span>\r\n    age<\/span>:<\/span> Number<\/span>\r\n});<\/span>\r\n\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> mongoose<\/span>.<\/span>model<\/span>(<\/span>'<\/span>User<\/span>'<\/span>,<\/span> User<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528WebAPI\u5c06\u6587\u6863\u4fdd\u5b58\u5230MongoDB<\/p>\n
\u521b\u5efa\u4e00\u4e2aWebAPI
\n\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a\/api\/v1\/create-user\u7684WebAPI\uff0c\u5c06\u63a5\u6536\u5230\u7684POST\u8bf7\u6c42\u7684BODY\u53c2\u6570\u4fdd\u5b58\u5230MongoDB\u4e2d\u3002
\n\u5229\u7528\u4e0a\u8ff0\u521b\u5efa\u7684\u540d\u4e3aUser\u7684\u6a21\u5f0f\u5b9a\u4e49\uff0c\u521b\u5efa\u4e00\u4e2a\u5b9e\u4f8b\u5e76\u8fdb\u884c\u4fdd\u5b58\u64cd\u4f5c\uff0c\u4ece\u800c\u5728MongoDB\u4e2d\u521b\u5efa\u4e00\u4e2a\u6587\u6863\u3002<\/p>\n
const<\/span> express<\/span> =<\/span> require<\/span>(<\/span>'<\/span>express<\/span>'<\/span>);<\/span>\r\nconst<\/span> app<\/span> =<\/span> express<\/span>();<\/span>\r\nconst<\/span> bodyParser<\/span> =<\/span> require<\/span>(<\/span>'<\/span>body-parser<\/span>'<\/span>);<\/span>\r\nconst<\/span> mongoose<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongoose<\/span>'<\/span>);<\/span>\r\nconst<\/span> User<\/span> =<\/span> require<\/span>(<\/span>'<\/span>.\/models\/user<\/span>'<\/span>);<\/span>\r\n\r\nmongoose<\/span>.<\/span>connect<\/span>(<\/span>'<\/span>mongodb:\/\/localhost\/user<\/span>'<\/span>);<\/span>\r\napp<\/span>.<\/span>use<\/span>(<\/span>bodyParser<\/span>.<\/span>urlencoded<\/span>({<\/span>extended<\/span>:<\/span>false<\/span>}));<\/span>\r\napp<\/span>.<\/span>use<\/span>(<\/span>bodyParser<\/span>.<\/span>json<\/span>());<\/span>\r\n\r\n\/\/ create-user\u306e\u8a2d\u5b9a<\/span>\r\napp<\/span>.<\/span>post<\/span>(<\/span>'<\/span>\/api\/v1\/create-user<\/span>'<\/span>,<\/span> (<\/span>req<\/span>,<\/span> res<\/span>)<\/span> =><\/span>{<\/span>\r\n    if<\/span> (<\/span>!<\/span>req<\/span>.<\/span>body<\/span>){<\/span>\r\n        return<\/span> res<\/span>.<\/span>status<\/span>(<\/span>500<\/span>).<\/span>send<\/span>(<\/span>'<\/span>reqest body empty.<\/span>'<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    const<\/span> instance<\/span> =<\/span> new<\/span> User<\/span>();<\/span>\r\n    instance<\/span>.<\/span>name<\/span> =<\/span> req<\/span>.<\/span>body<\/span>.<\/span>name<\/span>;<\/span>\r\n    instance<\/span>.<\/span>age<\/span> =<\/span> req<\/span>.<\/span>body<\/span>.<\/span>age<\/span>;<\/span>\r\n    \/\/ MongoDB\u306b\u4fdd\u5b58<\/span>\r\n    instance<\/span>.<\/span>save<\/span>(<\/span>function<\/span>(<\/span>err<\/span>){<\/span>\r\n        if<\/span>(<\/span>!<\/span>err<\/span>)<\/span> {<\/span>\r\n            return<\/span> res<\/span>.<\/span>status<\/span>(<\/span>200<\/span>).<\/span>send<\/span>(<\/span>'<\/span>user create success.<\/span>'<\/span>);<\/span>\r\n        }<\/span> else<\/span> {<\/span>\r\n            return<\/span> res<\/span>.<\/span>status<\/span>(<\/span>500<\/span>).<\/span>send<\/span>(<\/span>'<\/span>user create faild.<\/span>'<\/span>);<\/span>\r\n        }<\/span>\r\n    });<\/span>\r\n});<\/span>\r\n\r\n\/\/ \u30a4\u30d9\u30f3\u30c8\u5f85\u6a5f<\/span>\r\napp<\/span>.<\/span>listen<\/span>(<\/span>3000<\/span>,<\/span> ()<\/span> =><\/span> console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Listening on port 3000<\/span>'<\/span>));<\/span>\r\n<\/code><\/pre>\n
\u786e\u8ba4\u52a8\u4f5c
\n\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8Node\u670d\u52a1\u5668\u3002<\/p>\n
node index.js\r\n<\/code><\/pre>\n
\"WS000107.JPG\"\u5728MongoDB\u4e2d\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3auser\u7684\u6570\u636e\u5e93\uff0c\u5e76\u5728\u540d\u4e3ausers\u7684\u96c6\u5408\u4e2d\u6dfb\u52a0\u4e86\u4e00\u4e2a\u6587\u6863\u3002
\n\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u786e\u8ba4\u5728MongoDB\u4e2d\u6dfb\u52a0\u4e86\u6587\u6863\u3002<\/p>\n
> use user\r\nswitched to db user\r\n> db.users.find();\r\n{ \"_id\" : ObjectId(\"5c4fdadbf326d40328e4e6b8\"), \"name\" : \"taro\", \"age\" : 20, \"__v\" : 0 }\r\n<\/code><\/pre>\n
\u901a\u8fc7WebAPI\u4eceMongoDB\u4e2d\u83b7\u53d6\u6587\u6863\u3002<\/p>\n
\u521b\u9020WebAPI\u6dfb\u52a0\/api\/v1\/get-all-user\u3002
\n\u4f7f\u7528find\u65b9\u6cd5\u4ece\u7528\u6237\u6570\u636e\u5e93\u7684users\u96c6\u5408\u4e2d\u83b7\u53d6\u6240\u6709\u6587\u6863\u3002
\n\u5c06\u83b7\u53d6\u7684\u6587\u6863\u76f4\u63a5\u4f5c\u4e3a\u54cd\u5e94\u8fd4\u56de\u3002<\/p>\n
const<\/span> express<\/span> =<\/span> require<\/span>(<\/span>'<\/span>express<\/span>'<\/span>);<\/span>\r\nconst<\/span> app<\/span> =<\/span> express<\/span>();<\/span>\r\nconst<\/span> bodyParser<\/span> =<\/span> require<\/span>(<\/span>'<\/span>body-parser<\/span>'<\/span>);<\/span>\r\nconst<\/span> mongoose<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongoose<\/span>'<\/span>);<\/span>\r\nconst<\/span> User<\/span> =<\/span> require<\/span>(<\/span>'<\/span>.\/models\/user<\/span>'<\/span>);<\/span>\r\n\r\nmongoose<\/span>.<\/span>connect<\/span>(<\/span>'<\/span>mongodb:\/\/localhost\/user<\/span>'<\/span>);<\/span>\r\napp<\/span>.<\/span>use<\/span>(<\/span>bodyParser<\/span>.<\/span>urlencoded<\/span>({<\/span>extended<\/span>:<\/span>false<\/span>}));<\/span>\r\napp<\/span>.<\/span>use<\/span>(<\/span>bodyParser<\/span>.<\/span>json<\/span>());<\/span>\r\n\r\n\/\/ create-user\u306e\u8a2d\u5b9a<\/span>\r\napp<\/span>.<\/span>post<\/span>(<\/span>'<\/span>\/api\/v1\/create-user<\/span>'<\/span>,<\/span> (<\/span>req<\/span>,<\/span> res<\/span>)<\/span> =><\/span>{<\/span>\r\n    if<\/span> (<\/span>!<\/span>req<\/span>.<\/span>body<\/span>){<\/span>\r\n        return<\/span> res<\/span>.<\/span>status<\/span>(<\/span>500<\/span>).<\/span>send<\/span>(<\/span>'<\/span>reqest body empty.<\/span>'<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    const<\/span> instance<\/span> =<\/span> new<\/span> User<\/span>();<\/span>\r\n    instance<\/span>.<\/span>name<\/span> =<\/span> req<\/span>.<\/span>body<\/span>.<\/span>name<\/span>;<\/span>\r\n    instance<\/span>.<\/span>age<\/span> =<\/span> req<\/span>.<\/span>body<\/span>.<\/span>age<\/span>;<\/span>\r\n    \/\/ MongoDB\u306b\u4fdd\u5b58<\/span>\r\n    instance<\/span>.<\/span>save<\/span>(<\/span>function<\/span>(<\/span>err<\/span>){<\/span>\r\n        if<\/span>(<\/span>!<\/span>err<\/span>)<\/span> {<\/span>\r\n            return<\/span> res<\/span>.<\/span>status<\/span>(<\/span>200<\/span>).<\/span>send<\/span>(<\/span>'<\/span>user create success.<\/span>'<\/span>);<\/span>\r\n        }<\/span> else<\/span> {<\/span>\r\n            return<\/span> res<\/span>.<\/span>status<\/span>(<\/span>500<\/span>).<\/span>send<\/span>(<\/span>'<\/span>user create faild.<\/span>'<\/span>);<\/span>\r\n        }<\/span>\r\n    });<\/span>\r\n});<\/span>\r\n\r\n\/\/ get-all-user\u306e\u8a2d\u5b9a<\/span>\r\napp<\/span>.<\/span>get<\/span>(<\/span>'<\/span>\/api\/v1\/get-all-user<\/span>'<\/span>,<\/span> (<\/span>req<\/span>,<\/span> res<\/span>)<\/span> =><\/span>{<\/span>\r\n    User<\/span>.<\/span>find<\/span>(<\/span>function<\/span>(<\/span>err<\/span>,<\/span> result<\/span>){<\/span>\r\n        if<\/span>(<\/span>!<\/span>err<\/span>)<\/span> {<\/span>\r\n            return<\/span> res<\/span>.<\/span>json<\/span>(<\/span>result<\/span>);<\/span>\r\n        }<\/span> else<\/span> {<\/span>\r\n            return<\/span> res<\/span>.<\/span>status<\/span>(<\/span>500<\/span>).<\/span>send<\/span>(<\/span>'<\/span>get all user faild.<\/span>'<\/span>);<\/span>\r\n        }<\/span>\r\n    });<\/span>\r\n});<\/span>\r\n\r\n\/\/ \u30a4\u30d9\u30f3\u30c8\u5f85\u6a5f<\/span>\r\napp<\/span>.<\/span>listen<\/span>(<\/span>3000<\/span>,<\/span> ()<\/span> =><\/span> console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>Listening on port 3000<\/span>'<\/span>));<\/span>\r\n<\/code><\/pre>\n
\u786e\u8ba4\u52a8\u4f5c
\n\u4f7f\u7528Chrome\u7684ARC\u7b49\u5de5\u5177\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u6267\u884cGET\u8bf7\u6c42\u5230WebAPI\u3002<\/p>\n
\"WS000108.JPG\"\u53ef\u4ee5\u4eceMongoDB\u4e2d\u83b7\u53d6\u6587\u6863\u5e76\u5c06\u5176\u653e\u5165WebAPI\u7684\u8bf7\u6c42\u4e2d\u8fd4\u56de\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7528\u4e8e\u8f6f\u4ef6Node.js v8.9.1 Express 4.16.0 MongoDB v4.0.5 mongoo […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29365","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u5c1d\u8bd5\u4f7f\u7528Node.js + express + MongoDB\u521b\u5efaWebAPI - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5c1d\u8bd5\u4f7f\u7528Node.js + express + MongoDB\u521b\u5efaWebAPI\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5c1d\u8bd5\u4f7f\u7528node-js-express-mongodb\u521b\u5efawebapi\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5c1d\u8bd5\u4f7f\u7528Node.js + express + MongoDB\u521b\u5efaWebAPI\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u5c1d\u8bd5\u4f7f\u7528Node.js + express + MongoDB\u521b\u5efaWebAPI\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5c1d\u8bd5\u4f7f\u7528node-js-express-mongodb\u521b\u5efawebapi\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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