批量通过用户ID和app名称获取关联的微信信息接口，kdsp发送微信消息使用

src/main/java/cn/quantgroup/xyqb/controller/middleoffice/wx/WxController.java

@@ -13,6 +13,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * 微信
@@ -136,4 +139,27 @@ public class WxController {
         log.info("取消微信关联 userId:{},reason:{},结果:{}", userId, reason, res);
         return JsonResult.buildSuccessResultGeneric(res);
     }
+
+    /**
+     */
+    @PostMapping("/v1/getByOpenIdToUserIds")
+    public JsonResult getByOpenIdToUserIds(@RequestBody Map<String, Object> params, @RequestParam(required = false, defaultValue = "wuxi") String appName) {
+        log.info("根据userIds获取用户的openId {}, appName:{}", params, appName);
+        List<Integer> userIds = (List<Integer>) params.get("userIds");
+        if (userIds.isEmpty()) {
+            return JsonResult.buildErrorStateResult("用户Id不能为空", null);
+        }
+        if (userIds.size() > 500) {
+            userIds = userIds.subList(0,500);
+        }
+        List<Long> userIdList = userIds.stream().map(userId -> Long.parseLong(userId.toString())).collect(Collectors.toList());
+
+        List<WechatUserInfo> wechatUserInfoList = wechatService.queryByUserIdsAndAppName(userIdList, appName);
+        if (wechatUserInfoList.isEmpty()) {
+            return JsonResult.buildSuccessResult();
+        }
+
+        return JsonResult.buildSuccessResultGeneric(wechatUserInfoList);
+
+    }
 }

src/main/java/cn/quantgroup/xyqb/repository/IWeChatUserRepository.java

@@ -104,4 +104,6 @@ public interface IWeChatUserRepository extends JpaRepository<WechatUserInfo, Lon
     List<WechatUserInfo> findByUnionId(String unionId);
 
     List<WechatUserInfo> findByUnionIdIn(List<String> unionIds);
+
+    List<WechatUserInfo> findByUserIdInAndAppName(List<Long> userIds, String appName);
 }

src/main/java/cn/quantgroup/xyqb/service/wechat/IWechatService.java

@@ -55,4 +55,6 @@ public interface IWechatService {
     List<WechatUserInfo> queryListByUnionId(String unionId);
 
     List<WechatUserInfo> queryListByUnionIds(List<String> unionIds);
+
+    List<WechatUserInfo> queryByUserIdsAndAppName(List<Long> userIds, String appName);
 }

src/main/java/cn/quantgroup/xyqb/service/wechat/impl/WechatServiceImpl.java

@@ -271,4 +271,9 @@ public class WechatServiceImpl implements IWechatService {
     public List<WechatUserInfo> queryListByUnionIds(List<String> unionIds) {
         return weChatUserRepository.findByUnionIdIn(unionIds);
     }
+
+    @Override
+    public List<WechatUserInfo> queryByUserIdsAndAppName(List<Long> userIds, String appName) {
+        return weChatUserRepository.findByUserIdInAndAppName(userIds, appName);
+    }
 }