If the API returns a null value where you expect a string, your app will fail. You are silencing the compiler instead of fixing the problem. The right way to handle data: • Use generics for better ...
If the API returns a null value where you expect a string, your app will fail. You are silencing the compiler instead of fixing the problem. The right way to handle data: • Use generics for better ...
2.6 服务器模块 对于智能大棚管理系统，服务器的作用主要用于响应前端的请求，以及对串口和数据库的连接和处理，当前端发来不同的请求后，服务器进行相应的操作，包括，返回HTML页面，调用数据库API以及对串口的读取和写入，打开和关闭操作，其具体的功能结构图如图2.10所示。
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