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SpringBoot 统一异常处理-wx5c9c81065cfc3的博客
source link: https://blog.51cto.com/14262994/2375928
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SpringBoot统一异常处理异常和响应码因为用RESTful设计的接口,应该用状态码反映请求的错误,不应该统一返回200的状态码,然后再通过msg来描述错误.所以统一异常处理比较关键.异常一般分为业务异常和非业务异常业务异常通常返回4xx的状态码非业务异常只需要返回500,提示服务器错误,请稍候重试默认异常处理SpringBoot提供了默认的处理异常方式，当出现异常时就会默认映射到/error
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