Feign Stub擋板和Mock
前言：
在項目開發中，會有調用第三方接口的場景。當開發時，對方不肯意提供測試服務器給咱們調用，或者有的接口會按調用次數進行計費。當聯調時，第三方的測試服務器也可能會出現不穩定，若是他們的服務掛了，咱們就一直等着服務恢復，那麼這就至關影響效率了。若是咱們在開發時，就定義一個擋板或者mock服務，在發起調用時，不直接調到第三方接口，而是調到咱們本身的擋板代碼或者mock服務，這樣就能夠避免這些問題了。java
優點：node
- 擋板代碼，不須要侵入業務代碼，能夠根據入參作一些動態結果返回
- 不須要專門開發一個擋板服務，而且在每次啓動客戶端都先啓動擋板服務
- 能夠自由選擇使用擋板仍是Mock數據
Demo詳細代碼，已經提交到Github，歡迎stargit
Demo地址: github.com/Seifon/Feig…github
1、下面我就以一個第三方SMS短信接口來作演示：
首先，咱們寫一個Feign客戶端接口，正常調用第三方接口：web
1.定義一個SMS短信的Feign客戶端接口：
import cn.seifon.example.feignstubmock.dto.YunxunSmsReqDto;
import cn.seifon.example.feignstubmock.dto.YunxunSmsRespDto;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
/**
* @Author: Seifon
* @Description:
* @Date: Created in 10:24 2019/1/7
*/
@FeignClient(name = "smsclient", url = "${sms.url}", primary = false)
public interface YunxunSmsFeign {
/**
*
* @param request
* @return {"code":"0","failNum":"0","successNum":"1","msgId":"19012516213625881","time":"20190125162136","errorMsg":""}
* @return {"code":"107","msgId":"","time":"20190125162358","errorMsg":"手機號碼格式錯誤"}
*/
@PostMapping("/msg/variable/json")
YunxunSmsRespDto send(@RequestBody YunxunSmsReqDto request);
}
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注意：@FeignClient註解裏面的primary屬性必定要設置爲false,這是爲了防止在開啓Feign擋板時，出現多個Feign客戶端致使啓動報錯。spring
2.寫一個單元測試：
import cn.seifon.example.feignstubmock.dto.YunxunSmsReqDto;
import cn.seifon.example.feignstubmock.dto.YunxunSmsRespDto;
import cn.seifon.example.feignstubmock.feign.YunxunSmsFeign;
import com.alibaba.fastjson.JSON;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
public class FeignStubMockApplicationTests {
@Autowired
private YunxunSmsFeign yunxunSmsFeign;
@Test
public void feignStubMockTest() {
YunxunSmsReqDto yunxunSmsReqDto=new YunxunSmsReqDto();
yunxunSmsReqDto.setAccount("XXXXXXX");
yunxunSmsReqDto.setPassword("XXXXXXX");
yunxunSmsReqDto.setMsg("登陸驗證碼:{$var}，請不要對非本人透露。");
yunxunSmsReqDto.setParams("13011112222,123456");
yunxunSmsReqDto.setReport("true");
YunxunSmsRespDto send = yunxunSmsFeign.send(yunxunSmsReqDto);
//打印結果
System.out.println(JSON.toJSON(send));
}
}
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3.1.咱們輸入一個正確的手機號，拿一個成功的結果：
2019-01-28 11:17:56.718 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] ---> POST http://smssh1.253.com/msg/variable/json HTTP/1.1
2019-01-28 11:17:56.719 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] Content-Type: application/json;charset=UTF-8
2019-01-28 11:17:56.720 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] Content-Length: 160
2019-01-28 11:17:56.720 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send]
2019-01-28 11:17:56.721 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] {"account":"XXXXXX","password":"XXXXXXX","msg":"登陸驗證碼:{$var}，請不要對非本人透露。","params":"17311112222,123456","report":"true"}
2019-01-28 11:17:56.721 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] ---> END HTTP (160-byte body)
2019-01-28 11:17:56.958 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] <--- HTTP/1.1 200 OK (236ms)
2019-01-28 11:17:56.960 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] connection: keep-alive
2019-01-28 11:17:56.962 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] content-length: 109
2019-01-28 11:17:56.963 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] content-type: application/json;charset=UTF-8
2019-01-28 11:17:56.965 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] date: Mon, 28 Jan 2019 03:17:56 GMT
2019-01-28 11:17:56.966 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send]
2019-01-28 11:17:56.971 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] {"code":"0","failNum":"0","successNum":"1","msgId":"19012811175621982","time":"20190128111756","errorMsg":""}
2019-01-28 11:17:56.972 DEBUG 6920 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] <--- END HTTP (109-byte body)
{"code":"0","failNum":"0","successNum":"1","msgId":"19012811175621982","time":"20190128111756","errorMsg":""}
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此時，咱們能夠根據日誌，看到請求的地址也是第三方的urlapache
3.2.咱們輸入一個錯誤的手機號，拿一個失敗的結果：
2019-01-28 11:21:15.300 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] ---> POST http://smssh1.253.com/msg/variable/json HTTP/1.1
2019-01-28 11:21:15.301 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] Content-Type: application/json;charset=UTF-8
2019-01-28 11:21:15.302 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] Content-Length: 152
2019-01-28 11:21:15.302 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send]
2019-01-28 11:21:15.303 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] {"account":"XXXXX","password":"XXXXXXX","msg":"登陸驗證碼:{$var}，請不要對非本人透露。","params":"173,123456","report":"true"}
2019-01-28 11:21:15.303 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] ---> END HTTP (152-byte body)
2019-01-28 11:21:15.470 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] <--- HTTP/1.1 200 OK (165ms)
2019-01-28 11:21:15.471 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] connection: keep-alive
2019-01-28 11:21:15.473 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] content-length: 87
2019-01-28 11:21:15.474 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] content-type: application/json;charset=UTF-8
2019-01-28 11:21:15.476 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] date: Mon, 28 Jan 2019 03:21:15 GMT
2019-01-28 11:21:15.477 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send]
2019-01-28 11:21:15.483 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] {"code":"107","msgId":"","time":"20190128112115","errorMsg":"手機號碼格式錯誤"}
2019-01-28 11:21:15.484 DEBUG 5288 --- [ main] c.s.e.f.feign.YunxunSmsFeign : [YunxunSmsFeign#send] <--- END HTTP (87-byte body)
{"code":"107","msgId":"","time":"20190128112115","errorMsg":"手機號碼格式錯誤"}
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當咱們知道了兩種狀況下出現的結果，那麼咱們就能夠模擬響應結果啦。小技巧：咱們能夠先跟對方調接口，把各類響應報文保存下來，方便後面直接mock數據npm
2、接下來進入擋板編寫環節：
1.編寫一個YunxunSmsFeignStub類，並實現YunxunSmsFeign接口：
import cn.seifon.example.feignstubmock.dto.YunxunSmsReqDto;
import cn.seifon.example.feignstubmock.dto.YunxunSmsRespDto;
import cn.seifon.example.feignstubmock.feign.YunxunSmsFeign;
import org.apache.commons.lang3.RandomUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.time.DateFormatUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;
import java.util.Date;
/**
* @Author: Seifon
* @Description:
* @Date: Created in 10:24 2019/1/7
*/
@Primary //注意：須要在原Feign接口@FeignClient註解加入primary = false 屬性
@Component
@ConditionalOnProperty(name = "feign-stub.yunxun.sms.mode", havingValue = "stub")
public class YunxunSmsFeignStub implements YunxunSmsFeign {
private static final Logger LOG = LoggerFactory.getLogger(YunxunSmsFeignStub.class);
@Override
public YunxunSmsRespDto send(YunxunSmsReqDto request) {
YunxunSmsRespDto yunxunSmsRespDto = new YunxunSmsRespDto();
//模擬正常響應結果
yunxunSmsRespDto.setCode("0");
yunxunSmsRespDto.setFailNum("0");
yunxunSmsRespDto.setSuccessNum("1");
yunxunSmsRespDto.setMsgId(String.valueOf(RandomUtils.nextLong(19000000000000000L, 19999999999999999L)));
yunxunSmsRespDto.setTime(DateFormatUtils.format(new Date(), "yyyyMMddHHmmss"));
yunxunSmsRespDto.setErrorMsg("");
String params = request.getParams();
String[] paramSplit = StringUtils.split(params, ",");
if (paramSplit[0].length() != 11) {
//模擬錯誤響應結果
yunxunSmsRespDto.setCode("107");
yunxunSmsRespDto.setMsgId("");
yunxunSmsRespDto.setErrorMsg("手機號碼格式錯誤");
}
return yunxunSmsRespDto;
}
}
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注意：必須標註@Primary註解,不然啓動會報錯。@ConditionalOnProperty的做用就是根據application.yaml配置的相關屬性，判斷是否注入Spring容器json
2.application.yaml文件，加入下面的配置：
sms:
url: 'http://smssh1.253.com'
#yunxun：表明第三方系統名稱，sms：表明業務名稱，mode:表明Stub模式，url：表明mock服務地址
feign-stub:
yunxun:
sms:
mode: 'stub'
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3.爲了區分返回的內容是擋板結果，咱們能夠寫一個AOP切面打印日誌：
import com.alibaba.fastjson.JSON;
import org.apache.commons.lang3.StringUtils;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* @Author: Seifon
* @Description:
* @Date: Created in 10:24 2019/1/7
*/
@Aspect
@Component
public class FeignStubAspect {
private static final Logger LOG = LoggerFactory.getLogger(FeignStubAspect.class);
@Pointcut("execution(* cn.seifon.example.feignstubmock..stub.*.*(..))")
public void pointCut(){}
@Around("pointCut()")
public Object around(ProceedingJoinPoint pjp){
String name = StringUtils.join(pjp.getTarget().getClass().getName(), ".", pjp.getSignature().getName());
LOG.info("-----【{}】---- 進入擋板模式... request: 【{}】", name, JSON.toJSON(pjp.getArgs()));
try {
Object proceed = pjp.proceed();
LOG.info("-----【{}】---- 退出擋板模式... request: 【{}】, response: 【{}】", name, JSON.toJSON(pjp.getArgs()), JSON.toJSON(proceed));
return proceed;
} catch (Throwable e) {
e.printStackTrace();
}
return null;
}
}
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4.1.運行以前寫的單元測試代碼（輸入一個正確的手機號）：
2019-01-28 11:32:51.255 INFO 7488 --- [ main] c.s.e.f.aspect.FeignStubAspect : -----【cn.seifon.example.feignstubmock.feign.stub.YunxunSmsFeignStub.send】---- 進入擋板模式... request: 【[{"msg":"登陸驗證碼:{$var}，請不要對非本人透露。","password":"XXXXXXX","report":"true","params":"13011112222,123456","account":"XXXXXXX"}]】
2019-01-28 11:32:51.975 INFO 7488 --- [ main] c.s.e.f.aspect.FeignStubAspect : -----【cn.seifon.example.feignstubmock.feign.stub.YunxunSmsFeignStub.send】---- 退出擋板模式... request: 【[{"msg":"登陸驗證碼:{$var}，請不要對非本人透露。","password":"XXXXXXX","report":"true","params":"13011112222,123456","account":"XXXXXXX"}]】, response: 【{"code":"0","failNum":"0","successNum":"1","msgId":"19148964234899564","time":"20190128113251","errorMsg":""}】
{"code":"0","failNum":"0","successNum":"1","msgId":"19148964234899564","time":"20190128113251","errorMsg":""}
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4.2.運行以前寫的單元測試代碼（輸入一個錯誤的手機號）：
2019-01-28 11:35:27.177 INFO 15204 --- [ main] c.s.e.f.aspect.FeignStubAspect : -----【cn.seifon.example.feignstubmock.feign.stub.YunxunSmsFeignStub.send】---- 進入擋板模式... request: 【[{"msg":"登陸驗證碼:{$var}，請不要對非本人透露。","password":"XXXXXXX","report":"true","params":"130,123456","account":"XXXXXXX"}]】
2019-01-28 11:35:27.900 INFO 15204 --- [ main] c.s.e.f.aspect.FeignStubAspect : -----【cn.seifon.example.feignstubmock.feign.stub.YunxunSmsFeignStub.send】---- 退出擋板模式... request: 【[{"msg":"登陸驗證碼:{$var}，請不要對非本人透露。","password":"XXXXXXX","report":"true","params":"130,123456","account":"XXXXXXX"}]】, response: 【{"code":"107","failNum":"0","successNum":"1","msgId":"","time":"20190128113527","errorMsg":"手機號碼格式錯誤"}】
{"code":"107","failNum":"0","successNum":"1","msgId":"","time":"20190128113527","errorMsg":"手機號碼格式錯誤"}
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以上代碼就完成了一個stub擋板功能，可有時候，咱們已經拿到第三方接口的返回報文，並切不想去寫一大段Stub代碼。那麼這個時候，咱們就能夠選擇下面的Mock方式去完成咱們的功能。bash
3、接下來進入Mock環節：
1. 首先準備一個mock服務，這裏我就用本身比較喜歡的一個mock工具（mock-json-server）給你們演示：
1.1 安裝nodejs：
參看官網：http://nodejs.cn/
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1.2 安裝mock-json-server：
npm install -g mock-json-server
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1.3 新建mock數據文件(命名爲：data.json)：
{
"/msg/variable/json": {
"post": {
"code":"0",
"failNum":"0",
"successNum":"1",
"msgId":"19012516213625881",
"time":"20190125162136",
"errorMsg":""
}
}
}
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1.4 運行：
mock-json-server {path}/data.json --port=1240
{path}替換爲存放data.json的絕對路徑
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1.5 若是顯示以下結果，就表明mock服務運行成功：
JSON Server running at http://localhost:1240/
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mock-json-server具體使用文檔，請參考：www.npmjs.com/package/moc…
2. 準備工做作好後，接下來，就進入Mock正式環節：
2.1 首先，咱們定義一個YunxunSmsFeignMock接口，而且繼承YunxunSmsFeign接口
import cn.seifon.example.feignstubmock.feign.YunxunSmsFeign;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;
/**
* @Author: Seifon
* @Description:
* @Date: Created in 10:24 2019/1/7
*/
@Primary //注意：須要在原Feign接口@FeignClient註解加入primary = false 屬性
@Component
@ConditionalOnProperty(name = "feign-stub.yunxun.sms.mode", havingValue = "mock")
@FeignClient(name = "smsclient-mock", url = "${feign-stub.yunxun.sms.mockUrl}" ,path = "/")
public interface YunxunSmsFeignMock extends YunxunSmsFeign {
}
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注意：必須標註@Primary註解，不然啓動時會報錯。@FeignClient裏的name屬性不能跟原Feign接口名稱相同，若是相同會啓動報錯。@ConditionalOnProperty的做用就是根據application.yaml配置的相關屬性，判斷是否注入Spring容器
2.2 application.yaml文件，加入下面的配置：
sms:
url: 'http://smssh1.253.com'
#生產環境請勿添加此配置。mode說明：''-不開啓, 'mock'-mock模式, 'stub'-stub模式。url說明：只有mock模式須要配置調試url。fund爲第三方機構，repayment是業務名稱
#yunxun：表明第三方系統名稱，sms：表明業務名稱，mode:表明擋板模式，url：表明mock服務地址
feign-stub:
yunxun:
sms:
mode: 'mock'
mockUrl: "http://localhost:1240"
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2.3 爲了區分返回的內容是Mock結果，咱們能夠寫一個AOP切面打印日誌：
import com.alibaba.fastjson.JSON;
import org.apache.commons.lang3.StringUtils;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* @Author: Seifon
* @Description:
* @Date: Created in 10:24 2019/1/7
*/
@Aspect
@Component
public class FeignMockAspect {
private static final Logger LOG = LoggerFactory.getLogger(FeignMockAspect.class);
@Pointcut("execution(* cn.seifon.example.feignstubmock..mock.*.*(..))")
public void pointCut(){}
@Around("pointCut()")
public Object around(ProceedingJoinPoint pjp){
String name = StringUtils.join(pjp.getTarget().getClass().getName(), ".", pjp.getSignature().getName());
LOG.info("-----【{}】---- 進入Mock模式... request: 【{}】", name, JSON.toJSON(pjp.getArgs()));
try {
Object proceed = pjp.proceed();
LOG.info("-----【{}】---- 退出Mock模式... request: 【{}】, response: 【{}】", name, JSON.toJSON(pjp.getArgs()), JSON.toJSON(proceed));
return proceed;
} catch (Throwable e) {
e.printStackTrace();
}
return null;
}
}
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2.4 運行以前的單元測試類，獲得以下結果：
2019-01-28 16:16:35.567 INFO 8976 --- [ main] c.s.e.f.aspect.FeignMockAspect : -----【com.sun.proxy.$Proxy95.send】---- 進入Mock模式... request: 【[{"msg":"登陸驗證碼:{$var}，請不要對非本人透露。","password":"XXXXXXX","report":"true","params":"13011112222,123456","account":"XXXXXXX"}]】
2019-01-28 16:16:35.934 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] ---> POST http://localhost:1240/msg/variable/json HTTP/1.1
2019-01-28 16:16:35.935 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] Content-Type: application/json;charset=UTF-8
2019-01-28 16:16:35.936 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] Content-Length: 152
2019-01-28 16:16:35.936 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send]
2019-01-28 16:16:35.937 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] {"account":"XXXXXXX","password":"XXXXXXX","msg":"登陸驗證碼:{$var}，請不要對非本人透露。","params":"13011112222,123456","report":"true"}
2019-01-28 16:16:35.937 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] ---> END HTTP (152-byte body)
2019-01-28 16:16:36.021 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] <--- HTTP/1.1 200 OK (82ms)
2019-01-28 16:16:36.021 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] access-control-allow-origin: *
2019-01-28 16:16:36.022 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] connection: keep-alive
2019-01-28 16:16:36.023 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] content-length: 109
2019-01-28 16:16:36.023 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] content-type: application/json; charset=utf-8
2019-01-28 16:16:36.024 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] date: Mon, 28 Jan 2019 08:16:36 GMT
2019-01-28 16:16:36.024 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] etag: W/"6d-XqhLoZB8r6IRF2Lb6CWoIVVNhIQ"
2019-01-28 16:16:36.025 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] x-content-type-options: nosniff
2019-01-28 16:16:36.026 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] x-powered-by: Express
2019-01-28 16:16:36.027 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send]
2019-01-28 16:16:36.030 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] {"code":"0","failNum":"0","successNum":"1","msgId":"19012516213625881","time":"20190125162136","errorMsg":""}
2019-01-28 16:16:36.030 DEBUG 8976 --- [ main] c.s.e.f.feign.mock.YunxunSmsFeignMock : [YunxunSmsFeignMock#send] <--- END HTTP (109-byte body)
2019-01-28 16:16:36.227 INFO 8976 --- [ main] c.s.e.f.aspect.FeignMockAspect : -----【com.sun.proxy.$Proxy95.send】---- 退出Mock模式... request: 【[{"msg":"登陸驗證碼:{$var}，請不要對非本人透露。","password":"XXXXXXX","report":"true","params":"13011112222,123456","account":"XXXXXXX"}]】, response: 【{"code":"0","failNum":"0","successNum":"1","msgId":"19012516213625881","time":"20190125162136","errorMsg":""}】
{"code":"0","failNum":"0","successNum":"1","msgId":"19012516213625881","time":"20190125162136","errorMsg":""}
複製代碼
說明：此時咱們根據日誌，會發現feign調用的url已經變爲咱們的Mock服務地址了。同理，若是要返回失敗結果，只須要修改data.json文件，再次調用後，便可獲得咱們想要的結果了。
4、結語：
若是有什麼須要改進的地方，或者不正確的地方，請在評論裏面提出並指正。謝謝！
Demo詳細代碼，已經提交到Github，歡迎star
Demo地址: github.com/Seifon/Feig…
項目結構,如圖：
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