数据如下：
{"movie":"1193","rate":"5","timeStamp":"978300760","uid":"1"}
{"movie":"1193","rate":"4","timeStamp":"978300760","uid":"1"}
{"movie":"1193","rate":"2","timeStamp":"978300760","uid":"1"}
{"movie":"1193","rate":"1","timeStamp":"978300760","uid":"1"}
{"movie":"661","rate":"3","timeStamp":"978302109","uid":"1"}
{"movie":"3114","rate":"4","timeStamp":"978302174","uid":"1"}
{"movie":"608","rate":"4","timeStamp":"978301398","uid":"1"}
{"movie":"1246","rate":"4&{"movie":"1193","rate":"5","timeStamp":
