数据格式为json：

{"username":"张三","score":95}
{"username":"李四","score":76}
{"username":"赵本山","score":92}
{"username":"王五","score":76}
{"username":"赵六","score":62}
{"username":"赵六1","score":62}
{"username":"赵六2","score":26}
{"username":"赵六3","score":89}
{"username":"赵六4","score":77}