spring HandlerExceptionResolver

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BusinessException.java

package exception_01;public class BusinessException extends Exception{private static final long serialVersionUID = 2201800548165425255L;}

ParameterException.java

package exception_01;public class ParameterException extends Exception{private static final long serialVersionUID = 745096881594085953L;}

SystemExceptionHandler.java

package exception_01;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.springframework.web.servlet.HandlerExceptionResolver;import org.springframework.web.servlet.ModelAndView;/* * <!-- spring统一异常处理拦截器 -->  * <bean id="exceptionHandler" class="com.my.exception.SystemExceptionHandler"/> */public class SystemExceptionHandler implements HandlerExceptionResolver{@Overridepublic ModelAndView resolveException(HttpServletRequest req, HttpServletResponse resp, Object obj, Exception ex){// 根据不同的错误跳转到不同的页面if (ex instanceof BusinessException){return new ModelAndView("errors/error-business");}else if (ex instanceof ParameterException){return new ModelAndView("errors/error-parameter");}else{return new ModelAndView("errors/error");}}}

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