注意：只能接受@RequestBody类型的input参数。
Controller
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| package com.example.demo.demos.web;
import org.springframework.web.bind.annotation.*;
@RestController
public class BasicController {
@RequestMapping("/hello")
@ResponseBody
public String hello(@RequestBody String name) {
return "Hello " + name;
}
}
|
Advice
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| package com.example.demo.demos.web;
import lombok.extern.slf4j.Slf4j;
import org.springframework.core.MethodParameter;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdvice;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.Arrays;
@Slf4j
@RestControllerAdvice
public class RequestBodyAdviceImpl implements RequestBodyAdvice {
@Override
public boolean supports(MethodParameter methodParameter, Type targetType, Class<? extends HttpMessageConverter<?>> converterType) {
return true;
}
@Override
public HttpInputMessage beforeBodyRead(HttpInputMessage inputMessage, MethodParameter parameter, Type targetType, Class<? extends HttpMessageConverter<?>> converterType) throws IOException {
RequestMapping requestMapping = parameter.getMethodAnnotation(RequestMapping.class);
log.info("url: " + Arrays.toString(requestMapping.value()));
log.info("method: " + parameter.getExecutable());
return inputMessage;
}
@Override
public Object afterBodyRead(Object body, HttpInputMessage inputMessage, MethodParameter parameter, Type targetType, Class<? extends HttpMessageConverter<?>> converterType) {
log.info("param: " + body);
return body;
}
@Override
public Object handleEmptyBody(Object body, HttpInputMessage inputMessage, MethodParameter parameter, Type targetType, Class<? extends HttpMessageConverter<?>> converterType) {
log.info("body: body is Empty");
return body;
}
}
|
执行结果
