4dkankan-parent/4dkankan-common/src/main/java/com/fdkankan/common/response/BaseResponseAdvice.java

package com.fdkankan.common.response;


import com.alibaba.fastjson.JSON;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@RestControllerAdvice
public class BaseResponseAdvice implements ResponseBodyAdvice<Object> {
    @Override
    public boolean supports(MethodParameter methodParameter, Class<? extends HttpMessageConverter<?>> aClass) {
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object body, MethodParameter methodParameter, MediaType mediaType, Class<? extends HttpMessageConverter<?>> aClass, ServerHttpRequest serverHttpRequest, ServerHttpResponse serverHttpResponse) {
        System.out.println("响应拦截成功");
        if (body instanceof ResultData) {
            return body;
        } else if (body == null) {
            return JSON.toJSONString(ResultData.ok());
        } else {
            return JSON.toJSONString( ResultData.ok(body));
        }
    }
}