{"id":63860,"date":"2024-10-14T03:05:19","date_gmt":"2024-10-13T19:05:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/63860\/"},"modified":"2024-10-14T03:05:19","modified_gmt":"2024-10-13T19:05:19","slug":"mongodb%e3%80%81java%e8%88%87%e5%b0%8d%e8%b1%a1%e9%97%9c%e4%bf%82%e6%98%a0%e5%b0%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/63860\/","title":{"rendered":"MongoDB\u3001Java\u8207\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04"},"content":{"rendered":"

MongoDB\u3001Java\u8207\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04<\/h1>\n

\u5728\u7576\u4eca\u7684\u8edf\u9ad4\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c0d\u65bc\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002MongoDB\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684NoSQL\u6578\u64da\u5eab\uff0c\u8207Java\u8a9e\u8a00\u7684\u7d50\u5408\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u65b9\u5f0f\u3002\u672c\u6587\u5c07\u63a2\u8a0eMongoDB\u3001Java\u53ca\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04\uff08ORM\uff09\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

MongoDB\u7c21\u4ecb<\/h2>\n

MongoDB\u662f\u4e00\u7a2e\u57fa\u65bc\u6587\u6a94\u7684NoSQL\u6578\u64da\u5eab\uff0c\u4f7f\u7528BSON\uff08\u985e\u4f3cJSON\u7684\u683c\u5f0f\uff09\u4f86\u5b58\u5132\u6578\u64da\u3002\u9019\u7a2e\u7d50\u69cb\u4f7f\u5f97MongoDB\u5728\u8655\u7406\u975e\u7d50\u69cb\u5316\u6578\u64da\u6642\u5177\u6709\u512a\u52e2\uff0c\u4e26\u4e14\u80fd\u5920\u8f15\u9b06\u5730\u9032\u884c\u6c34\u5e73\u64f4\u5c55\u3002\u8207\u50b3\u7d71\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u76f8\u6bd4\uff0cMongoDB\u4e0d\u9700\u8981\u9810\u5148\u5b9a\u7fa9\u6578\u64da\u7d50\u69cb\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u66f4\u9748\u6d3b\u5730\u61c9\u5c0d\u9700\u6c42\u8b8a\u5316\u3002<\/p>\n

Java\u8207MongoDB\u7684\u6574\u5408<\/h2>\n

Java\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u64c1\u6709\u5f37\u5927\u7684\u751f\u614b\u7cfb\u7d71\u548c\u8c50\u5bcc\u7684\u5eab\u3002\u8981\u5728Java\u61c9\u7528\u4e2d\u4f7f\u7528MongoDB\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528MongoDB\u5b98\u65b9\u63d0\u4f9b\u7684Java\u9a45\u52d5\u7a0b\u5e8f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728Java\u4e2d\u9023\u63a5MongoDB\u4e26\u57f7\u884c\u57fa\u672c\u7684CRUD\u64cd\u4f5c\uff1a<\/p>\n

import com.mongodb.MongoClient;\nimport com.mongodb.client.MongoCollection;\nimport com.mongodb.client.MongoDatabase;\nimport org.bson.Document;\n\npublic class MongoDBExample {\n    public static void main(String[] args) {\n        \/\/ \u9023\u63a5\u5230MongoDB\u670d\u52d9\u5668\n        MongoClient mongoClient = new MongoClient(\"localhost\", 27017);\n        \n        \/\/ \u7372\u53d6\u6578\u64da\u5eab\n        MongoDatabase database = mongoClient.getDatabase(\"testdb\");\n        \n        \/\/ \u7372\u53d6\u96c6\u5408\n        MongoCollection collection = database.getCollection(\"testCollection\");\n        \n        \/\/ \u63d2\u5165\u6587\u6a94\n        Document doc = new Document(\"name\", \"Alice\")\n                .append(\"age\", 30);\n        collection.insertOne(doc);\n        \n        \/\/ \u67e5\u8a62\u6587\u6a94\n        Document myDoc = collection.find().first();\n        System.out.println(myDoc.toJson());\n        \n        \/\/ \u95dc\u9589\u9023\u63a5\n        mongoClient.close();\n    }\n}\n<\/code><\/pre>\n
\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04\uff08ORM\uff09<\/h2>\n
\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04\uff08ORM\uff09\u662f\u4e00\u7a2e\u7de8\u7a0b\u6280\u8853\uff0c\u7528\u65bc\u5c07\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u8207\u61c9\u7528\u7a0b\u5f0f\u4e2d\u7684\u5c0d\u8c61\u9032\u884c\u6620\u5c04\u3002\u96d6\u7136MongoDB\u662fNoSQL\u6578\u64da\u5eab\uff0c\u4f46\u5728Java\u4e2d\u4ecd\u7136\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9bORM\u6846\u67b6\u4f86\u7c21\u5316\u6578\u64da\u64cd\u4f5c\u3002\u4f8b\u5982\uff0cMorphia\u548cSpring Data MongoDB\u90fd\u662f\u6d41\u884c\u7684\u9078\u64c7\u3002<\/p>\n
Morphia\u793a\u4f8b<\/h3>\n
Morphia\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684Java\u5eab\uff0c\u5c08\u9580\u7528\u65bcMongoDB\u7684\u5c0d\u8c61\u6620\u5c04\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Morphia\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n
import org.mongodb.morphia.Datastore;\nimport org.mongodb.morphia.Morphia;\nimport com.mongodb.MongoClient;\n\npublic class MorphiaExample {\n    public static void main(String[] args) {\n        Morphia morphia = new Morphia();\n        morphia.map(User.class); \/\/ \u6620\u5c04User\u985e\n        \n        MongoClient mongoClient = new MongoClient(\"localhost\", 27017);\n        Datastore datastore = morphia.createDatastore(mongoClient, \"testdb\");\n        \n        \/\/ \u5275\u5efa\u4e26\u4fdd\u5b58\u7528\u6236\n        User user = new User(\"Bob\", 25);\n        datastore.save(user);\n        \n        \/\/ \u67e5\u8a62\u7528\u6236\n        User foundUser = datastore.createQuery(User.class).field(\"name\").equal(\"Bob\").get();\n        System.out.println(foundUser);\n        \n        mongoClient.close();\n    }\n}\n\nclass User {\n    private String name;\n    private int age;\n\n    \/\/ \u69cb\u9020\u51fd\u6578\u3001getter\u548csetter\u7701\u7565\n}\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
MongoDB\u8207Java\u7684\u7d50\u5408\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u65b9\u5f0f\u3002\u901a\u904e\u4f7f\u7528ORM\u6846\u67b6\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u7ba1\u7406\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u958b\u767c\u6548\u7387\u3002\u96a8\u8457NoSQL\u6578\u64da\u5eab\u7684\u666e\u53ca\uff0c\u638c\u63e1MongoDB\u53ca\u5176\u5728Java\u4e2d\u7684\u61c9\u7528\u5c07\u6210\u70ba\u958b\u767c\u8005\u7684\u91cd\u8981\u6280\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22MongoDB\u3001Java\u8207\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04\u7684\u6574\u5408\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u61c9\u7528\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-63860","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=63860"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63860\/revisions"}],"predecessor-version":[{"id":63861,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63860\/revisions\/63861"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=63860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=63860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=63860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}