[Node.js]连接mongodb
var MongoClient = require("mongodb").MongoClient;var DB_CONN_STR = "mongodb://sa:sa@localhost:27017/test_db";
//查询
var updateData = function (db, callback) {
//连接数据表my_firsrt_collection
var collection = db.collection("my_firsrt_collection");
//查询条件
var where = { "name": "wolfy1" };
var updateStr={$set:{"address":"http://www.cnblogs.com/wolf-sun/"}};
collection.update(where,updateStr,function (err, result) {
if (err) {
console.log("error:" + err);
return;
};
callback(result);
});
};
MongoClient.connect(DB_CONN_STR, function (err, db) {
if (err) {
console.log("连接失败：" + err);
return;
};
console.log("连接成功");
updateData(db, function (result) {
console.log(result);
db.close();
});
});
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