问题修改

message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageMapper.java

@@ -37,4 +37,7 @@ public interface MessageMapper extends BaseMapper<Message> {
 	
 	@Select("select * from message")
 	List<MessageVo> selectListVo();
+
+	@Select("select * from message where businessSid = #{sid} and msgSource = '抄送'")
+	List<Message> selectByBusinessSid(@Param("sid") String sid);
 }

message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageRest.java

@@ -13,6 +13,8 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
 /**
  * Project: message-center(消息中心) <br/>
  * File: MessageFeignFallback.java <br/>
@@ -150,4 +152,9 @@ public class MessageRest implements MessageFeign {
     public ResultBean<String> pushMessageShare(MessageFlowableQueryForCC query) {
         return messageService.pushMessageShare(query);
     }
+
+    @Override
+    public ResultBean<List<Message>> selectByBusinessSid(String sid) {
+        return messageService.selectByBusinessSid(sid);
+    }
 }

message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageService.java

@@ -1062,4 +1062,9 @@ public class MessageService extends MybatisBaseService<MessageMapper, Message> {
         return rb.success().setData(msgSid);
     }
 
+    public ResultBean<List<Message>> selectByBusinessSid(String sid) {
+        ResultBean rb = ResultBean.fireFail();
+        List<Message> messages = baseMapper.selectByBusinessSid(sid);
+        return rb.success().setData(messages);
+    }
 }

message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListMapper.java

@@ -94,4 +94,7 @@ public interface MessageListMapper extends BaseMapper<MessageList> {
     IPage<MessageReadListPCVo> todoAllReadList(IPage<MessageReadListQuery> iPage,@Param(Constants.WRAPPER) QueryWrapper<MessageList> qw);
 
     Integer getTodoNum(String userSid);
+
+    @Select("select * from message_list where msgSid = #{sid}")
+    List<MessageList> fetchByMainSid(String sid);
 }

message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListRest.java

@@ -264,4 +264,9 @@ public class MessageListRest implements MessageListFeign {
         }
         return messageListService.getTodoNum(userSid);
     }
+
+    @Override
+    public ResultBean<List<MessageList>> fetchByMainSid(String sid) {
+        return messageListService.fetchByMainSid(sid);
+    }
 }

message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListService.java

@@ -461,4 +461,10 @@ public class MessageListService extends MybatisBaseService<MessageListMapper, Me
         Integer todoNum = baseMapper.getTodoNum(userSid);
         return rb.success().setData(todoNum);
     }
+
+    public ResultBean<List<MessageList>> fetchByMainSid(String sid) {
+        ResultBean rb = new ResultBean<>();
+        List<MessageList> messageLists = baseMapper.fetchByMainSid(sid);
+        return rb.success().setData(messageLists);
+    }
 }