online-tool-service/src/main/java/com/zhixinghe1/ots/config/FeignConfig.java

package com.zhixinghe1.ots.config;

import java.util.ArrayList;
import java.util.List;

import org.springframework.beans.factory.ObjectFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.cloud.openfeign.support.SpringDecoder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;

import feign.Logger;
import feign.RequestInterceptor;
import feign.codec.Decoder;

/**
 * @className FeignConfig
 * @description Feign配置
 * @author ChenYL
 * @date 2023/07/23 20:55
 * @version V1.0
 **/
@Configuration
public class FeignConfig {

    @Autowired
    private BizConfig bizConfig;

    @Bean("myInterceptor")
    public RequestInterceptor requestInterceptor() {
        return template -> {
            template.query("appid", bizConfig.getWechatMiniProgramAppId()).query("secret",
                bizConfig.getWechatMiniProgramSecret());
        };
    }

    /**
     * 调整Feign日志输出 注：FeignClient只能输出debug等级的日志
     * 
     * @return
     */
    @Bean
    public Logger.Level devLogLevel() {
        return Logger.Level.FULL;
    }

    /**
     * 增加转换支持
     * 
     * @return
     */
    @Bean
    public Decoder feignDecoder() {
        Jackson2HttpConverter jackson2HttpConverter = new Jackson2HttpConverter();
        ObjectFactory<HttpMessageConverters> objectFactory = () -> new HttpMessageConverters(jackson2HttpConverter);
        return new SpringDecoder(objectFactory);
    }

    /**
     * content-type = text/plain 增加JSON转换支持
     */
    public class Jackson2HttpConverter extends MappingJackson2HttpMessageConverter {
        public Jackson2HttpConverter() {
            List<MediaType> mediaTypes = new ArrayList<>();
            mediaTypes.add(MediaType.TEXT_PLAIN);
            setSupportedMediaTypes(mediaTypes);
        }
    }
}