windows上安装mongodb的php扩展
下载地址https://s3.amazonaws.com/drivers.mongodb.org/php/index.html
找到对应的php版本的dll文件，下载php_mongo.dll，放到php安装目录下的ext目录中，修改php.ini，添加一项extension=php_mongo.dll，没有找到支持php7的dll
获取MongoClient对象，new出来
获取数据库对象db，通过MongoClient对象的数据库属性，$MongoClient->数据库名
获取集合collection，通过db对象的集合属性，$db->集合名
创建集合，调用db对象的createCollection()方法，
调用collection对象的find()方法，查询数据，$collection->find()
调用collection对象的update ()方法，更新数据，$collection->update($condition,$data);
调用collection对象的insert ()方法，插入数据，$collection->insert($data);
<?<span>php
</span><span>//</span><span> 连接到mongodb</span>
<span>$mongoClient</span> = <span>new</span><span> MongoClient();
</span><span>//</span><span> 选择一个数据库</span>
<span>$db</span> = <span>$mongoClient</span>-><span>test;
</span><span>//</span><span>获取集合</span>
<span>$collection</span>=<span>$db</span>-><span>users;
</span><span>//</span><span>更新文档</span>
<span>$condition</span>=<span>array</span><span>();
</span><span>$condition</span>["id"]=1<span>;
</span><span>$data</span>=<span>array</span><span>();
</span><span>$data</span>['name']="wangwu"<span>;
</span><span>$data</span>['age']="11"<span>;
</span><span>$collection</span>->update(<span>$condition</span>,<span>$data</span><span>);
</span><span>//</span><span>插入文档</span>
<span>$data</span>=<span>array</span><span>();
</span><span>$data</span>['id']=4<span>;
</span><span>$data</span>['name']="哈哈"<span>;
</span><span>$data</span>['age']="11"<span>;
</span><span>$collection</span>->insert(<span>$data</span><span>);
</span><span>//</span><span>删除文档</span>
<span>$condition</span>=<span>array</span><span>();
</span><span>$condition</span>['id']=2<span>;
</span><span>$collection</span>->remove(<span>$condition</span><span>);
</span><span>//</span><span>查询文档</span>
<span>$users</span>=<span>$collection</span>-><span>find();
</span><span>foreach</span> (<span>$users</span> <span>as</span> <span>$k</span> => <span>$v</span><span>) {
</span><span>print_r</span>(<span>$v</span><span>);
}
</span>?>
