Java中 springcloud.openfeign应用案例解析

<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-openfeign</artifactId>
    <version>3.1.7</version>
</dependency>

package com.sf.gis.taskmanage.event.feign;
import com.alibaba.fastjson.JSONObject;
import com.sf.gis.common.domain.dto.*;
import com.sf.gis.common.domain.vo.*;
import feign.Response;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
@FeignClient(contextId = "eventAllocationNewServiceFegin", name = "eventAllocationNewServiceFegin", url = "${newevent.prefixurl}")  
public interface EventAllocationNewService {
    /**
     * 1. POST 获取工单号
     * @param dto
     * @param token
     * @param type
     * @return
     */
    @PostMapping(value = "/order/cOrderNumberRule/getNum", consumes = "application/json", produces = "application/json")
    EventCommonsVo workOrderNumber(@RequestBody WorkOrderNumberDto dto, @RequestHeader("Authorization") String token, @RequestHeader("content-type") String type);
/*
    EventCommonVo<WorkOrderNumberVo> workOrderNumber(@RequestBody WorkOrderNumberDto dto, @RequestHeader("token") String token, @RequestHeader("content-type") String type);
*/
    /**
     * 2创建工单接口
     * @param dto
     * @param token
     * @param type
     * @return
     */
    @PostMapping(value = "/order/cOrderNumberInfo/create", consumes = "application/json", produces = "application/json")
    EventCommonsVo createWorkOrder(@RequestBody CreateWorkOrderDto dto, @RequestHeader("Authorization") String token, @RequestHeader("content-type") String type);
    /**
     * 3 工单流转
     * @paramwanderAboutDto
     * @param token
     * @param type
     * @return
     */
    @PostMapping(value = "/order/cOrderCirculation/create", consumes = "application/json", produces = "application/json")
    EventCommonsVo wanderAbout(@RequestBody ReReportingDto reReportingDto, @RequestHeader("Authorization") String token, @RequestHeader("content-type") String type);
    /**
     * 工单处置信息更新接口
     * @param workOrderUpdateDto
     * @param token
     * @param type
     * @return
     */
    @PostMapping(value = "/order/cOrderNumberInfo/updateProcessInfo", consumes = "application/json", produces = "application/json")
    EventCommonVo workOrderUpdate(@RequestBody WorkOrderUpdateDto workOrderUpdateDto, @RequestHeader("Authorization") String token, @RequestHeader("Content-Type") String type);
    /**
     * 工单处置信息更新接口
     * @param
     * @param token
     * @param type
     * @return
     */
    @PostMapping("/order/cOrderNumberInfo/updateProcessInfo")
    EventCommonVo workOrderCompleteUpdate(@RequestBody WorkOrderCompleteUpdateDto workOrderCompleteUpdateDto, @RequestHeader("Authorization") String token, @RequestHeader("content-type") String type);
    /**
     * 上传附件
     */
    @RequestMapping(method = RequestMethod.POST,consumes = MediaType.MULTIPART_FORM_DATA_VALUE,value = "/minio/upload")
    JSONObject upload(@RequestPart("file") MultipartFile file,@PathVariable("fileName") String fileName, @PathVariable("orderNum")String orderNum, @RequestHeader("Authorization") String token);
    /**
     * 附件下载
     */
    @RequestMapping(method = RequestMethod.POST,consumes = MediaType.MULTIPART_FORM_DATA_VALUE,value = "/minio/download")
    Response download(@PathVariable("filename") String filename, @PathVariable("orderNum") String orderNum, @RequestHeader("Authorization") String token);
    /**
     * 工单状态变更接口（对接到市里）
     * @param
     * @param token
     * @param type
     * @return
     */
    @PostMapping(value = "/order/cOrderStatusChange/sendMsg", consumes = "application/json", produces = "application/json")
    EventCommonVo orderStateUpdate(@RequestBody OrderChangeDto orderChangeDto, @RequestHeader("Authorization") String token, @RequestHeader("content-type") String type);
}

url = "${newevent.prefixurl}")