参考项目中已有的 HotelController.java 和 HotelService.java 的实现风格。 要求：1) Controller 层统一返回 Result 包装类；2) Service 层包含完整的参数校验和业务异常处理；3) 删除操作使用软删除（status 字段设为 0）；4) 分页查询使用项目已有的 PageHelper；5) 评分统计接口需要返回平均分和各星级占比。
The AWS SDK for Java enables Java developers to easily work with Amazon Web Services and build scalable solutions with Amazon S3, Amazon DynamoDB, Amazon Glacier, and more. See the AWS SDK for Java ...
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If 'Java' is not recognized as an internal or external command, operable program, or batch file, you need to take a closer look at the variable paths. Usually, it's the missing Bin directory that ...
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