mongodb 执行js脚本

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

test.js 脚本：

                     var cursor = db.message.find({"packType":4});
                     while(cursor.hasNext()){
                               print('aa');
                               var temp = cursor.next();
                               printjson(temp);
                      }
                      print(db.message.find().count());