问题修改

message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeign.java

@@ -117,4 +117,8 @@ public interface MessageListFeign {
     @ApiOperation("PC端待阅已阅列表")
     @PostMapping("/todoAllReadList")
     public ResultBean<PagerVo<MessageReadListPCVo>> todoAllReadList(@RequestBody PagerQuery<MessageReadListQuery> pq);
+
+    @ApiOperation(value = "业务系统查询待阅任务列表数量")
+    @GetMapping("/getTodoNum/{userSid}")
+    ResultBean<Integer> getTodoNum(@PathVariable(value = "userSid")String userSid);
 }

message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeignFallback.java

@@ -125,4 +125,9 @@ public class MessageListFeignFallback implements MessageListFeign {
     public ResultBean<PagerVo<MessageReadListPCVo>> todoAllReadList(PagerQuery<MessageReadListQuery> pq) {
         return null;
     }
+
+    @Override
+    public ResultBean<Integer> getTodoNum(String userSid) {
+        return null;
+    }
 }

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

@@ -91,4 +91,6 @@ public interface MessageListMapper extends BaseMapper<MessageList> {
     List<String> selectByMsgSid(String s);
 
     IPage<MessageReadListPCVo> todoAllReadList(IPage<MessageReadListQuery> iPage,@Param(Constants.WRAPPER) QueryWrapper<MessageList> qw);
+
+    Integer getTodoNum(String userSid);
 }

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

@@ -178,8 +178,7 @@
                      LEFT JOIN message_type mt ON m.msgTypeSid = mt.sid
         WHERE ml.receiverSid = #{userSid}
           AND mt.sid = #{msgTypeSid}
-        ORDER BY ml.id desc
+        ORDER BY ml.id desc LIMIT 1
-        LIMIT 1
     </select>
     <select id="getAppMsgListByUserSid" resultType="com.yxt.messagecenter.api.messagelist.app.AppMessageListVo">
         SELECT ml.sid,
@@ -257,4 +256,12 @@
         </where>
         ORDER BY ml.id DESC
     </select>
+
+    <select id="getTodoNum" resultType="java.lang.Integer">
+        select COUNT(ml.sid)
+        FROM message_list ml
+                     LEFT JOIN message m ON ml.msgSid = m.sid
+        where receiverSid = #{userSid}
+        and m.msgType = "抄送"
+    </select>
 </mapper>

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

@@ -255,4 +255,13 @@ public class MessageListRest implements MessageListFeign {
         }
         return new ResultBean<PagerVo<MessageReadListPCVo>>().success().setData(pagerVo);
     }
+
+    @Override
+    public ResultBean<Integer> getTodoNum(String userSid) {
+        ResultBean<Integer> rb=ResultBean.fireFail();
+        if(StringUtils.isBlank(userSid)){
+            return rb.setMsg("用户sid不能为空");
+        }
+        return messageListService.getTodoNum(userSid);
+    }
 }

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

@@ -9,6 +9,7 @@ import com.yxt.common.base.config.component.FileUploadComponent;
 import com.yxt.common.base.service.MybatisBaseService;
 import com.yxt.common.base.utils.PagerUtil;
 import com.yxt.common.core.query.PagerQuery;
+import com.yxt.common.core.result.ResultBean;
 import com.yxt.common.core.vo.PagerVo;
 import com.yxt.messagecenter.api.messagelist.*;
 import com.yxt.messagecenter.api.messagelist.app.*;
@@ -450,4 +451,10 @@ public class MessageListService extends MybatisBaseService<MessageListMapper, Me
         pagerVo.setMsg("共查询出" + pagerVo.getTotal() + "条消息");
         return pagerVo;
     }
+
+    public ResultBean<Integer> getTodoNum(String userSid) {
+        ResultBean rb = new ResultBean<>();
+        Integer todoNum = baseMapper.getTodoNum(userSid);
+        return rb.success().setData(todoNum);
+    }
 }