mongodb执行js脚本

执行命令：/data/mongodb/bin/mongo ip:port/db test.js

test.js脚本内容：

var cursor = db.message.find({"packType":4});

while(cursor.hasNext()){

    print('aa');

    var temp = cursor.next();

    printjson(temp);

}

print(db.message.find().count());