错误处理一般用什么方式？
看到有人问关于try catch的问题就突然自己也有一点疑问
我认为一般应用程序里面大致分为两种错误。
第一种是应用级，比如提交失败，参数错误，404之类的
第二种是系统级，比如某个类库找不到，数据库查询错误
我的做法是try catch处理系统级别的错误，应用级别的错误用另外的方法处理，虽然这种方式我觉得没有逻辑问题，但是总感觉怪怪的。。。。。。
有没有什么比较好的错误处理机制？或者说说你的处理方法
（如果有不对的地方欢迎指出）
回复内容：
看到有人问关于try catch的问题就突然自己也有一点疑问
我认为一般应用程序里面大致分为两种错误。
第一种是应用级，比如提交失败，参数错误，404之类的
第二种是系统级，比如某个类库找不到，数据库查询错误
我的做法是try catch处理系统级别的错误，应用级别的错误用另外的方法处理，虽然这种方式我觉得没有逻辑问题，但是总感觉怪怪的。。。。。。
有没有什么比较好的错误处理机制？或者说说你的处理方法
（如果有不对的地方欢迎指出）
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