日常提交
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@@ -577,4 +577,18 @@ public class SimpleController {
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}
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}
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}
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}
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```
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```
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该异常参数会匹配被抛出的顶层异常(例如,被直接抛出的IOException),也会匹配被包装的内层cause(例如,被包装在IllegalStateException中的IOException)。**该参数会匹配任一层级的cause。**
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> 只要@ExceptionHandler方法的异常参数类型匹配异常抛出stacktrace中任一层次的异常类型,异常都会被捕获并且处理。
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```java
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@PostMapping("/shiro")
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public String shiro() {
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throw new RuntimeException(new JarException("fuck"));
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}
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@ExceptionHandler
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public String handleJarException(JarException e) {
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return e.getMessage() + ", Jar";
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}
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```
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> 如果有多个@ExceptionHandler方法匹配抛出的异常链,那么
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