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java自己实现一个注解怎么执行自己解析的代码？

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java自己实现一个注解怎么执行自己解析的代码？

定义注解会了
用反射解析注解会了

我看别人的例子是在main函数里调用自己写的代码运行的，我的疑问是比如spring boot项目已经有了一个main函数，我的代码放在哪里？放到这个main里面吗？

我想根据注解写一个文件或者动态生成代码，生成后在再运行实际的代码，可行吗？


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by (71.8m points)

代码写在控制器里啊


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