import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import com.hjz.exception.ServiceException;
import com.hjz.exception.utils.ExceptionUtils;
@ResponseBody
public class ExceptionAdvice {
private static final Logger LOGGER = LoggerFactory.getLogger(ExceptionAdvice.class);
/**
* 拦截web层异常,记录异常日志,并返回友好信息到前端
* 目前只拦截Exception,是否要拦截Error需再做考虑
*
* @param e 异常对象
* @return 异常提示
*/
@ExceptionHandler(Exception.class)
public ResponseEntity<String> handleException(Exception e) {
//不需要再记录ServiceException,因为在service异常切面中已经记录过
if (!(e instanceof ServiceException)) {
LOGGER.error(ExceptionUtils.getExcTrace(e));
}
HttpHeaders headers = new HttpHeaders();
headers.set("Content-type", "text/plain;charset=UTF-8");
headers.add("icop-content-type", "exception");
String message = StringUtils.isEmpty(e.getMessage()) ? "系统异常!!" : e.getMessage();
return new ResponseEntity<>(message, headers, HttpStatus.OK);
}
}
<context:component-scan base-package="com.sishuok.es" use-default-filters="false"> <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> <context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice"/> </context:component-scan>
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import com.hjz.exception.ServiceException;
import com.hjz.exception.utils.ExceptionUtils;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
/**
* web异常切面
* 默认spring aop不会拦截controller层,使用该类需要在spring公共配置文件中注入改bean,
* 另外需要配置<aop:aspectj-autoproxy proxy-target-class="true"/>
*/
@Aspect
public class WebExceptionAspect {
private static final Logger LOGGER = LoggerFactory.getLogger(WebExceptionAspect.class);
@Pointcut("@annotation(org.springframework.web.bind.annotation.RequestMapping)")
private void webPointcut() {}
/**
* 拦截web层异常,记录异常日志,并返回友好信息到前端
* 目前只拦截Exception,是否要拦截Error需再做考虑
*
* @param e 异常对象
*/
@AfterThrowing(pointcut = "webPointcut()", throwing = "e")
public void handleThrowing(Exception e) {
//不需要再记录ServiceException,因为在service异常切面中已经记录过
if (!(e instanceof ServiceException)) {
LOGGER.error(ExceptionUtils.getExcTrace(e));
}
String errorMsg = StringUtils.isEmpty(e.getMessage()) ? "系统异常" : e.getMessage();
writeContent(errorMsg);
}
/**
* 将内容输出到浏览器
*
* @param content 输出内容
*/
private void writeContent(String content) {
HttpServletResponse response = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getResponse();
response.reset();
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Type", "text/plain;charset=UTF-8");
response.setHeader("icop-content-type", "exception");
PrintWriter writer = null;
try {
writer = response.getWriter();
} catch (IOException e) {
e.printStackTrace();
}
writer.print(content);
writer.flush();
writer.close();
}
}
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import com.hjz.exception.ServiceException;
import com.hjz.exception.utils.ExceptionUtils;
@Aspect
public class ServiceExceptionAspect {
private static final Logger LOGGER = LoggerFactory.getLogger(ServiceExceptionAspect.class);
/**
* @within(org.springframework.stereotype.Service),拦截带有 @Service 注解的类的所有方法
* @annotation(org.springframework.web.bind.annotation.RequestMapping),拦截带有@RquestMapping的注解方法
*/
@Pointcut("@within(org.springframework.stereotype.Service) && execution(public * *(..))")
private void servicePointcut() {}
/**
* 拦截service层异常,记录异常日志,并设置对应的异常信息
* 目前只拦截Exception,是否要拦截Error需再做考虑
*
* @param e 异常对象
*/
@AfterThrowing(pointcut = "servicePointcut()", throwing = "e")
public void handle(JoinPoint point, Exception e) {
LOGGER.error(ExceptionUtils.getExcTrace(e));
String signature = point.getSignature().toString();
String errorMsg = getMessage(signature) == null ? (StringUtils.isEmpty(e.getMessage()) ? "服务异常" : e.getMessage()) : getMessage(signature);
throw new ServiceException(errorMsg, e);
}
/**
* 获取方法签名对应的提示消息
*
* @param signature 方法签名
* @return 提示消息
*/
private String getMessage(String signature) {
return null;
}
}
<aop:aspectj-autoproxy proxy-target-class="true" /> <bean class="com.hjz.exception.aspect.ServiceExceptionAspect" /> <bean class="com.hjz.exception.aspect.WebExceptionAspect" />
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
/**
* 异常相关bean注册类
*/
@Configuration
@EnableAspectJAutoProxy
@ComponentScan("com.hjz.exception.aspect")
public class ExceptionConfig {
}
@Aspect
@Component
public class WebExceptionAspect {
..........
}
@Aspect
@Component
public class ServiceExceptionAspect {
.........
}
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