1、添加会议纪要使用情况统计接口-

src/main/java/com/cmeeting/service/impl/MeetingInfoServiceImpl.java

@@ -9,6 +9,9 @@ import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.date.DateField;
 import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.IdUtil;
+import cn.hutool.core.util.NumberUtil;
+import cn.hutool.poi.excel.ExcelUtil;
+import cn.hutool.poi.excel.ExcelWriter;
 import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.JSONObject;
@@ -278,9 +281,32 @@ public class MeetingInfoServiceImpl extends ServiceImpl<MeetingInfoMapper, Meeti
                 map.put("name", userInfo.get("name"));
                 map.put("deptName", userInfo.get("deptName"));
             });
+            // 横向加法
+            Integer sum = map.values().stream()
+                            // 小于4是为了和用户编号区分开
+                            .filter(value -> NumberUtil.isNumber(value) && value.length() < 4)
+                            .map(value -> Integer.parseInt(value))
+                            .reduce(Integer::sum)
+                            .orElse(0);
+            map.put("sum", sum.toString());
         }
 
-        // TODO 加和
+        // 初始化一行用来纵向加和
+        Map<String, String> map = new LinkedHashMap<>();
+        for (String key : list.get(0).keySet()) {
+            map.put(key, "");
+        }
+        for (Map<String, String> stringMap : list) {
+            for (Map.Entry<String, String> entry : stringMap.entrySet()) {
+                String key = entry.getKey();
+                String value = entry.getValue();
+                if (NumberUtil.isNumber(value) && value.length() < 4) {
+                    map.put(key, String.valueOf(NumberUtil.add(map.get(key), value)));
+                }
+            }
+        }
+        map.put("userId", "总计");
+        list.add(map);
 
         return list;
     }

src/main/resources/mapper/primary/MeetingInfoMapper.xml

@@ -35,12 +35,12 @@
     </select>
 
 
-    <select id="statistics" resultType="java.util.Map">
+    <select id="statistics" resultType="java.util.LinkedHashMap">
         SELECT
             userid.wid as userId,
             t.host_uid,
             <foreach collection="dateList" item="d" separator=",">
-                MAX(CASE WHEN sync_time = #{d} THEN cnt ELSE 0 END) AS `${d}`
+                cast(MAX(CASE WHEN sync_time = #{d} THEN cnt ELSE 0 END) as char) AS `${d}`
             </foreach>
         FROM (
             SELECT