{"id":29424,"date":"2024-01-19T06:14:41","date_gmt":"2023-09-27T17:18:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%e8%ae%bf%e9%97%aemongodb%e3%80%82\/"},"modified":"2025-08-12T14:03:31","modified_gmt":"2025-08-12T06:03:31","slug":"%e4%bd%bf%e7%94%a8node-js%e8%ae%bf%e9%97%aemongodb%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%e8%ae%bf%e9%97%aemongodb%e3%80%82\/","title":{"rendered":"\u4f7f\u7528node.js\u8bbf\u95eeMongoDB"},"content":{"rendered":"<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d01a837434c4406bcee36\/0-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2017-06-28 17.21.16.png\" \/><\/div>\n<h1>\u5982\u679c\u4f7f\u7528Mongodb\u5ba2\u6237\u7aef\u8fdb\u884c\u8fde\u63a5\u7684\u8bdd<\/h1>\n<p>\u4f7f\u7528cfenv\uff0c\u5728\u672c\u5730\u73af\u5883\u4e2d\u901a\u8fc7vcap-local.json\u8bfb\u53d6\u670d\u52a1\u8d44\u683c\u8bc1\u4e66\uff0c\u5728CF\u5bb9\u5668\u73af\u5883\u4e2d\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u83b7\u53d6\u8bc1\u4e66\u4fe1\u606f\u7684\u4ee3\u7801\u3002\u5b8c\u6574\u7684\u4ee3\u7801\u53ef\u4ee5\u5728https:\/\/github.com\/IBM-Bluemix\/compose-mongodb-helloworld-nodejs\/blob\/master\/server.js\u4e2d\u627e\u5230\u3002<\/p>\n<pre class=\"post-pre\"><code>\/\/var appenv = cfenv.getAppEnv();                                                                                                        \r\nvar vcapLocal = require(\".\/vcap-local.json\");\r\nvar appEnvOpts = vcapLocal ? { vcap: vcapLocal} : {}\r\n\r\n\/\/var appenv = cfenv.getAppEnv();\r\nvar appenv = cfenv.getAppEnv(appEnvOpts);\r\n<\/code><\/pre>\n<h1>\u5982\u679c\u4f7f\u7528Mongoose\u8fdb\u884c\u8fde\u63a5<\/h1>\n<p>\u5728\u672c\u5730\u73af\u5883\u4e2d\uff0c\u540c\u6837\u9700\u8981\u4f7f\u7528vcap-local.json\u6587\u4ef6\u6765\u8bfb\u53d6\u670d\u52a1\u51ed\u8bc1\u4fe1\u606f\uff0c\u5728\u5bb9\u5668\u73af\u5883\u4e2d\uff0c\u9700\u8981\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u6765\u5bfc\u5165\u8fd9\u4e9b\u51ed\u8bc1\u4fe1\u606f\u3002\u8fde\u63a5\u6210\u529f\u540e\uff0c\u5c06\u663e\u793a\u6570\u636e\u5e93\u5217\u8868\u3002<\/p>\n<pre class=\"post-pre\"><code>#!\/usr\/bin\/env node\r\n\r\nvar mongoose = require('mongoose');\r\nvar assert = require('assert');\r\nvar cfenv = require(\"cfenv\");\r\n\r\nvar svc = 'compose-for-mongodb';\r\nvar vcapLocal = require(\".\/vcap-local.json\");\r\nvar appEnvOpts = vcapLocal ? { vcap: vcapLocal} : {};\r\nvar appenv = cfenv.getAppEnv(appEnvOpts);\r\nvar services = appenv.services;\r\nvar mongodb_services = services[\"compose-for-mongodb\"];\r\nvar credentials = mongodb_services[0].credentials;\r\nvar ca = [new Buffer(credentials.ca_certificate_base64, 'base64')];\r\n\r\nvar options = {\r\n    mongos: {\r\n    ssl: true,\r\n    sslValidate: true,\r\n    sslCA: ca,\r\n    poolSize: 1,\r\n    reconnectTries: 1\r\n    }\r\n};\r\n\r\n\/\/ \u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3000\u30a8\u30e9\u30fc\u6642\r\nmongoose.connection.on('error',function (err) {\r\n  console.log('Mongoose default connection error: ' + err);\r\n});\r\n\r\n\/\/ \u30b3\u30fc\u30eb\u30d0\u30c3\u30af  \u30bb\u30c3\u30b7\u30e7\u30f3\u78ba\u7acb\u6642\r\nmongoose.connection.on('open', function (err) {\r\n  console.log(\"=== Connected to mongodb on Compose ===\" );\r\n  assert.equal(null, err);\r\n  mongoose.connection.db.listCollections().toArray(function(err, collections) {\r\n     assert.equal(null, err);\r\n     collections.forEach(function(collection) {\r\n       console.log(collection);\r\n     });\r\n     mongoose.connection.db.close();\r\n     process.exit(0);\r\n  });\r\n});\r\n\r\n\/\/ \u63a5\u7d9a\r\nmongoose.connect(credentials.uri, options);\r\n<\/code><\/pre>\n<h1>vcap-local.json -&gt; \u672c\u5730\u7684vcap.json\u914d\u7f6e\u6587\u4ef6<\/h1>\n<p>\u5728Bluemix\u95e8\u6237\u4e0a\uff0c\u5c06credentials\u90e8\u5206\u66ff\u6362\u4e3a\u663e\u793a\u7684\u670d\u52a1\u8d44\u683c\u4fe1\u606f\u8fdb\u884c\u4f7f\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code>imac:mongodb_mongoose maho$ cat vcap-local.json \r\n{\r\n \"services\": {\r\n  \"compose-for-mongodb\": [\r\n   {\r\n    \"credentials\": {\r\n     \"ca_certificate_base64\": \"LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCk1JSURlekNDQW1PZ0F3SUJBZ0lFV1ZOZ0tEQU5CZ2txaGtpRzl3MEJBUTBGQURBL01UMH\r\n&lt;\u7701\u7565&gt;\r\nRkpObnVXQ01Fa2lZdVZoZDJoN21nekFVM2VlNVV3bmF6WHRlQT09Ci0tLS0tRU5EIENFUlRJRklDQVRFLS0tLS0K\",\r\n     \"db_type\": \"mongodb\",\r\n     \"deployment_id\": \"******************:\",\r\n     \"maps\": [],\r\n     \"name\": \"**************************\",\r\n     \"uri\": \"mongodb:\/\/*****:***********@sl-us-south-1-portal.3.dblayer.com:17599,sl-us-south-1-portal.4.dblayer.com:17599\/admin?ssl=true\",\r\n     \"uri_cli\": \"mongo --ssl --sslAllowInvalidCertificates sl-us-south-1-portal.3.dblayer.com:17599\/admin -u admin -p ***************\"\r\n    },\r\n    \"label\": \"compose-for-mongodb\",\r\n    \"name\": \"Compose for MongoDB-no\",\r\n    \"plan\": \"Standard\",\r\n    \"provider\": null,\r\n    \"syslog_drain_url\": null,\r\n    \"tags\": [\r\n     \"big_data\",\r\n     \"data_management\",\r\n     \"ibm_created\"\r\n    ],\r\n    \"volume_mounts\": []\r\n   }\r\n  ]\r\n }\r\n}\r\n<\/code><\/pre>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u4f7f\u7528Mongodb\u65f6\uff0c\u6211\u62c5\u5fc3\u65e0\u6cd5\u5728\u672c\u5730\u73af\u5883\u4e2d\u8fde\u63a5\uff0c\u4f46\u95ee\u9898\u5df2\u7ecf\u89e3\u51b3\u4e86\u3002\u592a\u597d\u4e86\uff08\u7b11\uff09<\/p>\n<h1>\u8bf7\u63d0\u4f9b\u76f8\u5173\u8d44\u6599<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Mongoose, Node and Compose https:\/\/help.compose.com\/docs\/connecting-to-mongodb#section-nodejs-native<\/ul>\n<\/li>\n<\/ul>\n<p>GitHub IBM-Bluemix\/compose-mongodb-helloworld-nodejs https:\/\/github.com\/IBM-Bluemix\/compose-mongodb-helloworld-nodejs<\/p>\n<p>Hosted MongoDB https:\/\/www.compose.com\/mongodb<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u4f7f\u7528Mongodb\u5ba2\u6237\u7aef\u8fdb\u884c\u8fde\u63a5\u7684\u8bdd \u4f7f\u7528cfenv\uff0c\u5728\u672c\u5730\u73af\u5883\u4e2d\u901a\u8fc7vcap-local.json\u8bfb\u53d6\u670d [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29424","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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