@SpringBootApplication

@EnableDiscoveryClient

public class ApiGatewayModuleApplication {

	public static void main(String[] args) {

		SpringApplication.run(ApiGatewayModuleApplication.class, args);

	}

}

package com.d.cloud01demo.othersservicesmodule.feign.request;

import lombok.Data;

import lombok.NoArgsConstructor;

import java.io.Serializable;

/**

 * @description: 微信小程序登录请求实体类对象

 * @author: Ding

 * @version: 1.0

 * @createTime: 2023-04-09 11:10:04

 * @modify:

 */

@Data

@NoArgsConstructor

public class WechatMiniProgramLoginRequest implements Serializable {

    /**

     * 登录时获取的 code

     */

    private String js_code;

    /**

     * 小程序 appid

     */

    private String appid;

    /**

     * 小程序 appSecret

     */

    private String secret;

    /**

     * 授权类型，此处只需填写 authorization_code

     */

    private String grant_type = "authorization_code";

    private static final long serialVersionUID = 1L;

}

package com.d.cloud01demo.othersservicesmodule.feign.response;

import lombok.Data;

import java.io.Serializable;

/**

 * @description: 微信小程序登录请求响应对象

 * @author: Ding

 * @version: 1.0

 * @createTime: 2023-04-09 11:11:16

 * @modify:

 */

@Data

public class WechatMiniProgramLoginResponse implements Serializable {

    /**

     * 会话密钥

     */

    private String session_key;

    /**

     * 用户在开放平台的唯一标识符，若当前小程序已绑定到微信开放平台帐号下会返回，详见 <a href="https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/union-id.html">UnionID 机制说明 & lt;/a>。

     */

    private String unionid;

    /**

     * 错误信息

     */

    private String errmsg;

    /**

     * 用户唯一标识

     */

    private String openid;

    /**

     * 错误码

     */

    private Integer errcode;

    private static final long serialVersionUID = 1L;

}

package com.d.cloud01demo.othersservicesmodule.feign;

import com.d.cloud01demo.othersservicesmodule.feign.request.WechatMiniProgramLoginRequest;

import com.d.cloud01demo.othersservicesmodule.feign.response.WechatMiniProgramLoginResponse;

import org.springframework.cloud.openfeign.FeignClient;

import org.springframework.cloud.openfeign.SpringQueryMap;

import org.springframework.web.bind.annotation.GetMapping;

/**

 * @description:

 * @author: Ding

 * @version: 1.0

 * @createTime: 2023-04-09 15:57:27

 * @modify:

 */

@FeignClient(name = "wechatMiniProgramService", url = "${others-service-feign.wechat-mini-program.url}")

public interface FeignWechatService {

    /**

     * 定义微信小程序的登录接口，通过 feign 进行调用

     * @param request 接口请求对象

     * @return 返回登录接口的响应对象

     */

    @GetMapping("/sns/jscode2session")

    WechatMiniProgramLoginResponse login(@SpringQueryMap WechatMiniProgramLoginRequest request);

}

@SpringBootApplication

@EnableDiscoveryClient

@EnableFeignClients(basePackages = "com.d.cloud01demo.othersservicesmodule.feign")

public class OthersServicesModuleApplication {

	public static void main(String[] args) {

		SpringApplication.run(OthersServicesModuleApplication.class, args);

	}

}

package com.d.cloud01demo.othersservicesmodule.web.controller;

import com.d.cloud01demo.othersservicesmodule.feign.FeignWechatService;

import com.d.cloud01demo.othersservicesmodule.feign.request.WechatMiniProgramLoginRequest;

import lombok.extern.slf4j.Slf4j;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.PathVariable;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;

/**

 * @description:

 * @author: Ding

 * @version: 1.0

 * @createTime: 2023-04-09 16:04:23

 * @modify:

 */

@Slf4j

@RestController

@RequestMapping("/others/wechat")

public class WechatController {

    @Autowired

    private FeignWechatService feignWechatService;

    @GetMapping("/login/code/{code}")

    public Object login(@PathVariable String code) {

        log.info("others-services-module 收到请求");

        log.info("code: " + code);

        // 假装调了第三方接口

        // feignWechatService.login()

        return "success";

    }

}

package com.d.cloud01demo.userservicesmodule.feign;

import org.springframework.cloud.openfeign.FeignClient;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.PathVariable;

/**

 * @description:

 * @author: Ding

 * @version: 1.0

 * @createTime: 2023-04-09 16:13:52

 * @modify:

 */

@FeignClient(name = "others-services", url = "${user-services-feign.others-services.url}")

public interface FeignOthersServices {

    @GetMapping("/others/wechat/login/code/{code}")

    String login(@PathVariable String code);

}

package com.d.cloud01demo.userservicesmodule;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

import org.springframework.cloud.openfeign.EnableFeignClients;

@SpringBootApplication

@EnableDiscoveryClient

@EnableFeignClients(basePackages = {"com.d.cloud01demo.userservicesmodule.feign"})

public class UserServicesModuleApplication {

	public static void main(String[] args) {

		SpringApplication.run(UserServicesModuleApplication.class, args);

	}

}

package com.d.cloud01demo.userservicesmodule.web.controller;

import com.d.cloud01demo.userservicesmodule.feign.FeignOthersServices;

import lombok.extern.slf4j.Slf4j;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.PathVariable;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;

/**

 * @description:

 * @author: Ding

 * @version: 1.0

 * @createTime: 2023-04-09 15:48:47

 * @modify:

 */

@Slf4j

@RestController

@RequestMapping("/user")

public class UserController {

    @Autowired

    private FeignOthersServices feignOthersServices;

    @GetMapping("/wechat/login/code/{code}")

    public Object login(@PathVariable String code) {

        String result = feignOthersServices.login(code);

        log.info("请求成功");

        log.info("result: " + result);

        return result;

    }

}