GlobalExceptionHandler
import java.util.HashMap; import java.util.Map; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.ResponseBody; //全局捕获异常 @ControllerAdvice public class GlobalExceptionHandler { @ExceptionHandler(RuntimeException.class) @ResponseBody public Map<String,Object> resultError(){ Map<String,Object> result = new HashMap<String,Object>(); result.put("errorCode", "500"); result.put("errorMsg", "系统错误.."); return result; } }aop机制 :异常通知