{"id":646,"date":"2013-08-27T20:21:20","date_gmt":"2013-08-27T12:21:20","guid":{"rendered":"http:\/\/www.yeetrack.com\/?p=646"},"modified":"2013-09-27T22:36:34","modified_gmt":"2013-09-27T14:36:34","slug":"java%e6%93%8d%e4%bd%9cmongodb%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/www.yeetrack.com\/?p=646","title":{"rendered":"Java\u64cd\u4f5cMongodb\u6570\u636e\u5e93"},"content":{"rendered":"<p>Mongodb\u63d0\u4f9bJava Api\u6765\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u3002\u4f7f\u7528\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u5728java\u7f16\u8bd1\u8def\u5f84\u4e2d\u5305\u542b<strong>mongo.jar<\/strong>\u6587\u4ef6\u5373\u53ef\uff0c\u5982\u679c\u4f7f\u7528maven\uff0c\u76f4\u63a5\u6dfb\u52a0mongo\u4f9d\u8d56\u5373\u53ef\u3002<\/p>\n<h4>\u5efa\u7acb\u8fde\u63a5<\/h4>\n<p>\u5efa\u7acbMongoDB\u8fde\u63a5\uff0c\u9700\u8981\u4e00\u4e2a\u6570\u636e\u5e93\u540d\u5b57\uff0c\u6570\u636e\u5e93\u5982\u679c\u4e0d\u5b58\u5728\uff0cmongodb\u4f1a\u81ea\u52a8\u521b\u5efa\u8be5\u6570\u636e\u5e93\u3002<\/p>\n<p>\u521b\u5efaMongodClient\u7684\u6784\u9020\u51fd\u6570\uff1a<\/p>\n<pre><code>MongoClient mongoClient = new MongoClient();\nMongoClient mongoClient = new MongoClient( \"localhost\" );<!--more-->\nMongoClient mongoClient = new MongoClient( \"localhost\" , 27017 );\nMongoClient mongoClient = new MongoClient(Arrays.asList(new ServerAddress(\"localhost\", 27017),\n                                  new ServerAddress(\"localhost\", 27018),\n                                  new ServerAddress(\"localhost\", 27019)));\n\nDB db = mongoClient.getDB( \"mydb\" );  \n<\/code><\/pre>\n<p>\u4e0b\u9762\u662f\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<pre><code>package com.yeetrack.mongo.test;\n\nimport java.net.UnknownHostException;\nimport java.util.List;\nimport java.util.Set;\n\nimport org.bson.NewBSONDecoder;\n\nimport com.mongodb.BasicDBObject;\nimport com.mongodb.DB;\nimport com.mongodb.DBCollection;\nimport com.mongodb.DBCursor;\nimport com.mongodb.DBObject;\nimport com.mongodb.MongoClient;\nimport com.mongodb.WriteConcern;\n\npublic class MyMongodbTest\n{\n\n    \/**\n     * \u5b66\u4e60mongodb java Driver\n     * @author youthflies\n     * @throws UnknownHostException \n     *\/\n    public static void main(String[] args) throws UnknownHostException\n    {\n        \/\/\u5b9e\u4f8b\u5316\u4e00\u4e2amongod\u5ba2\u6237\u7aef\n        MongoClient mongoClient = new MongoClient(\"192.1.219.163\", 27017);\n\n        \/\/\u904d\u5386\u5168\u90e8\u7684\u5e93\n        for(String string : mongoClient.getDatabaseNames())\n            System.out.println(\"mongodb\u6570\u636e\u5e93\u540d\u5b57---&gt;\"+string);\n\n        \/\/\u4f7f\u7528\u7528\u6237\u540d\u3001\u5bc6\u7801\u767b\u9646\n        boolean auth = db.authenticate(myUserName, myPassword);\n        \/\/\u83b7\u53d6\u6570\u636e\u5e93\u5bf9\u8c61\n        DB db = mongoClient.getDB(\"mydb\");\n\n        \/\/\u6253\u5370mydb\u5e93\u4e2d\u7684\u6240\u6709\u6570\u636e\u96c6\u540d\u5b57\n        Set&lt;String&gt; colls = db.getCollectionNames();\n        for(String s : colls)\n            System.out.println(\"\u5e93\u4e2d\u6570\u636e\u96c6\u540d\u5b57---&gt;\"+s);\n\n        \/\/\u83b7\u5f97\u6307\u5b9a\u7684\u6570\u636e\u96c6\n        DBCollection collection = db.getCollection(\"user\");\n\n        mongoClient.setWriteConcern(WriteConcern.JOURNALED);\n\n        \/\/\u63d2\u5165\u4e00\u6761\u6570\u636e\n        \/\/ {\"name\":\"Lily\", \"age\":\"18\"}\n        BasicDBObject basicDBObject = new BasicDBObject(\"name\", \"Lily\").\n                                        append(\"age\", \"18\");\n        \/\/collection.insert(basicDBObject);\n        \/\/\u518d\u63d2\u5165\u4e00\u6761\u6570\u636e\n        \/\/{\"name\":\"Boss\", \"age\":\"33\", \"boys\":{\"name\",\"boy1\":\n        BasicDBObject basicDBObject2 = new BasicDBObject(\"name\", \"Boss\").\n                                        append(\"age\", \"44\").\n                                        append(\"kids\", new BasicDBObject(\"name\", \"son\").append(\"age\", \"11\"));\n\n        \/\/collection.insert(basicDBObject2);\n\n        \/\/\u83b7\u53d6\u6570\u636e\u96c6\u4e2d\u7684\u7b2c\u4e00\u6761\u6570\u636e\n        DBObject myDbObject = collection.findOne();\n        System.out.println(myDbObject);\n\n        \/\/\u4f7f\u7528\u5faa\u73af\u5411mongo\u4e2d\u63d2\u5165\u6570\u636e\n        for(int i=0;i&lt;=4;i++)\n        {\n            \/\/collection.insert(new BasicDBObject(\"name\",\"loop\").append(\"age\", i));\n        }\n\n        \/\/\u83b7\u53d6\u6570\u636e\u96c6\u4e2d\u7684\u6570\u636e\u4e2a\u6570\n        System.out.println(\"\u6570\u636e\u96c6\u4e2d\u5171\u6709\u6570\u636e---&gt;\"+collection.getCount());\n\n        \/\/\u4f7f\u7528\u6e38\u6807DBCursor\n        DBCursor cursor = collection.find();\n        try\n        {\n            while(cursor.hasNext())\n            System.out.println(cursor.next());\n        } finally\n        {\n            cursor.close(); \/\/\u5173\u95ed\u6e38\u6807\n        }\n\n        \/\/\u6307\u5b9a\u68c0\u7d22\u6761\u4ef6\uff0c\u4f8b\u5982 name=Lily\n        BasicDBObject queryBasicDBObject  = new BasicDBObject(\"name\", \"Lily\");\n        DBCursor cursor2 = collection.find(queryBasicDBObject);\n\n        try\n        {\n            while(cursor2.hasNext())\n                System.out.println(\"\u68c0\u7d22\u7ed3\u679c---&gt;\"+cursor2.next());\n        } finally\n        {\n            cursor2.close();\n        }\n\n        \/\/\u6307\u5b9a\u68c0\u7d22\u6761\u4ef6\u65f6\uff0c\u4f7f\u7528$\u9ad8\u7ea7\u67e5\u8be2\n        \/\/ mongodb\u547d\u4ee4\uff1adb.user.find({\"name\":{$ne:\"Lily\"},\"age\":{$gt:\"12\"}}) \u67e5\u8be2\u540d\u5b57\u4e0d\u662flily\uff0c\u4e14age\u5927\u4e8e12\u7684\u7528\u6237\n        BasicDBObject queryBasicDBObject2 = new BasicDBObject(\"name\", new BasicDBObject(\"$ne\", \"Lily\")).\n                                            append(\"age\", new BasicDBObject(\"$gt\", \"12\"));\n        DBCursor cursor3 = collection.find(queryBasicDBObject2);\n        try\n        {\n            while(cursor3.hasNext())\n                System.out.println(\"\u67e5\u8be2\u540d\u5b57\u4e0d\u662flily\uff0c\u4e14age\u5927\u4e8e12\u7684\u7528\u6237---&gt;\"+cursor3.next());\n        } finally\n        {\n            cursor3.close();\n        }\n        \/\/$ne:\u4e0d\u7b49\u4e8e  $gt:\u5927\u4e8e  $lt\uff1a\u5c0f\u4e8e   $lte:\u5c0f\u4e8e\u7b49\u4e8e            \u548cshell\u547d\u4ee4\u4e00\u81f4\n\n        \/\/\u521b\u5efa\u7d22\u5f15,1\u4ee3\u8868\u5347\u5e8f\uff0c-1\u4ee3\u8868\u964d\u5e8f\n        collection.createIndex(new BasicDBObject(\"name\", 1));\n\n        \/\/\u83b7\u53d6\u7d22\u5f15\n        List&lt;DBObject&gt; list = collection.getIndexInfo();\n        for(DBObject object : list)\n            System.out.println(\"\u7d22\u5f15\u4fe1\u606f---&gt;\"+object);\n\n        \/\/\u5220\u9664\u4e00\u4e2a\u5e93\n        mongoClient.dropDatabase(\"mydb\");\n\n        mongoClient.close();\n\n    }\n\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Mongodb\u63d0\u4f9bJava Api\u6765\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u3002\u4f7f\u7528\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u5728java\u7f16\u8bd1\u8def\u5f84\u4e2d\u5305\u542bmongo.jar\u6587\u4ef6\u5373\u53ef\uff0c\u5982\u679c\u4f7f\u7528maven\uff0c\u76f4\u63a5\u6dfb\u52a0mongo\u4f9d\u8d56\u5373\u53ef\u3002 \u5efa\u7acb\u8fde\u63a5 \u5efa\u7acbMongoDB\u8fde\u63a5&#46;&#46;&#46;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[33],"tags":[8,7,5],"class_list":["post-646","post","type-post","status-publish","format-standard","hentry","category-coding","tag-java","tag-7","tag-5"],"views":3336,"_links":{"self":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=646"}],"version-history":[{"count":3,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/646\/revisions"}],"predecessor-version":[{"id":725,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/646\/revisions\/725"}],"wp:attachment":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}