今天就跟大家聊聊有关怎么在Spring MVC中打印@RequestBody、@Response日志，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。
可以通过自定义RequestBodyAdvisor、ResponseBodyAdvisor来实现日志输出。
RequestBodyAdvisor可以获取到解析后的Controller方法参数对象。
ResponseBodyAdvisor可以获取到Controller方法返回值对象。
然后将他们注册到requestMappingHandlerAdapter：
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// 继承WebMvcConfigurationSupport， 重写该方法
@Override
@Bean
public RequestMappingHandlerAdapter requestMappingHandlerAdapter() {
RequestMappingHandlerAdapter adapter = super.requestMappingHandlerAdapter();
adapter.setRequestBodyAdvice(Lists.newArrayList(new CustomerRequestBodyAdvisor()));
adapter.setResponseBodyAdvice(Lists.newArrayList(new CustomerResponseBodyAdvisor()));
return adapter;
}另附CustomerRequestBodyAdvisor、CustomerResponseBodyAdvisor日志输出实现参考:
RequestBodyAdvisor实现参考：
// CustomerRequestBodyAdvisor.java
/**
* 打印请求参数日志
*/
public class CustomerRequestBodyAdvisor extends RequestBodyAdviceAdapter {
private static final Logger logger = LoggerFactory.getLogger(CustomerRequestBodyAdvisor.class);
@Override
public boolean supports(MethodParameter methodParameter, Type targetType, Class<? extends HttpMessageConverter<?>> converterType) {
// 只处理@RequestBody注解了的参数
return methodParameter.getParameterAnnotation(RequestBody.class) != null;
}
@Override
public Object afterBodyRead(Object body, HttpInputMessage inputMessage, MethodParameter parameter, Type targetType, Class<? extends HttpMessageConverter<?>> converterType) {
Method method = parameter.getMethod();
// 参数对象转JSON字符串
String jsonBody;
if (StringHttpMessageConverter.class.isAssignableFrom(converterType)) {
jsonBody = body.toString();
} else {
jsonBody = JSON.toJSONString(body, SerializerFeature.UseSingleQuotes);
}
// 自定义日志输出
if (logger.isInfoEnabled()) {
logger.info("{}#{}: {}", parameter.getContainingClass().getSimpleName(), method.getName(), jsonBody);
// logger.info("json request<=========method:{}#{}", parameter.getContainingClass().getSimpleName(), method.getName());
}
return super.afterBodyRead(body, inputMessage, parameter, targetType, converterType);
}
}ResponseBodyAdvisor实现参考:
// CustomerResponseBodyAdvisor.java
/**
* 打印响应值日志
*/
public class CustomerResponseBodyAdvisor implements ResponseBodyAdvice<Object> {
private static final Logger logger = LoggerFactory.getLogger(CustomerResponseBodyAdvisor.class);
@Override
public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
return AbstractJackson2HttpMessageConverter.class.isAssignableFrom(converterType)
|| returnType.getMethod().isAnnotationPresent(ResponseBody.class);
}
@Override
public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
// 响应值转JSON串输出到日志系统
if (logger.isInfoEnabled()) {
logger.info("{}: {}", request.getURI(), JSON.toJSONString(body, SerializerFeature.UseSingleQuotes));
}
return body;
}
}看完上述内容，你们对怎么在Spring MVC中打印@RequestBody、@Response日志有进一步的了解吗？如果还想了解更多知识或者相关内容，请关注亿速云行业资讯频道，感谢大家的支持。
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