Inferred type 'S' for type parameter 'S' is not within its bound;
錯誤:
在使用springboot 方法報錯:
Inferred type ‘S‘ for type parameter ‘S‘ is not within its bound; should extend ‘com.atguigu.springboot06.entiy.User
解決方法:
1、springboot 版本問題,將 2.0.1 版本換成 1.5.4 版本。
2、將userRepository.findOne(id); ——》改為 userRepository.findById(id).orElse(null);
——》或userRepository.findById(id).get();
如圖所示:
錯誤的:
正確的:
Inferred type 'S' for type parameter 'S' is not within its bound;
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