var mongodb = require(“mongodb”);

var mongoserver ; //Mongo对象

var db_connector ;//DB对象

var db_name=’hummer_mongo’;

var db_ip=’127.0.0.1’;

/插入一条新数据/ function insert(a_where,a_data) { db_connector.createCollection(a_where, function(err, collection){ collection.insert(a_data); console.log("insert over1.\n"+a_where);

}); return true; }

/查询/ function select(a_where,a_data) { db_connector.collection(a_where, function(err, collection) { collection.find(a_data, function(err, value){ value.toArray(function(err,arr){ console.log(arr); return arr; }) }); }); return true; }

/更新/ function updataex(a_where,a_data) { db_connector.collection(a_where, function(err, collection) {

collection.update({name:"tom"}, {$set:{name:"Jim"}});

}) console.log(‘updata’); return true; }

/*创建连接/ function connector_monggo(/a_ip,a_list_name/) {

 mongoserver = new mongodb.Server(db_ip, 27017,{auto_reconnect:true}); //连接Mongodb

db_connector = new mongodb.Db(db_name, mongoserver);

db_connector.open(function(err,db_connector){

    if(!err)
    {  
        console.log('connect');
        db_connector.close();
        mongoserver.close();
    }else{
        console.log(err);

    }  
})
console.log('connector_monggo');

} exports.select=select; exports.insert=insert; exports.updataex=updataex; exports.connector_monggo=connector_monggo;