统计报错SQL统计当年12个月份一般隐患和重大隐患数量

ruoyi-admin/src/main/java/com/ruoyi/web/controller/ehs/EhsIndexStatisticsController.java

@@ -21,6 +21,7 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.Date;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
@@ -157,6 +158,10 @@ public class EhsIndexStatisticsController extends BaseController {
         List<Map<String,Object>> list = ehsIndexStatisticsService.getHiddenDangerTypeMapList();
         return AjaxResult.success(list);
     }
+
+    public static void main(String[] args) {
+        System.out.println(DateUtil.year(new Date()));
+    }
     /**
      * 隐患数据统计分析
      */
@@ -165,6 +170,9 @@ public class EhsIndexStatisticsController extends BaseController {
     public AjaxResult getHiddenDangerDataMapList(String year)
     {
         JSONArray row = new JSONArray();
+        if(StringUtils.isEmpty(year)){
+            year = DateUtil.year(new Date())+"";
+        }
         List<Map<String,Object>> list = ehsIndexStatisticsService.getHiddenDangerDataMapList(year);
         if(StringUtils.isNotEmpty(list)){
             LinkedHashMap<Object, List<Map<String, Object>>> nameList = list.stream().collect(Collectors.groupingBy(e -> e.get("name"), LinkedHashMap::new, Collectors.toList()));

ruoyi-system/src/main/resources/mapper/ehs/EhsIndexStatisticsMapper.xml

@@ -266,61 +266,20 @@ SELECT
         d.dict_value
         FROM
         (
+        WITH RECURSIVE months AS (
         SELECT
-        DATE_FORMAT( date_add( CONCAT( #{yearStr}, '-01-01' ), INTERVAL ROW MONTH ), '%Y-%m' ) date_time
-        FROM
-        (
+        CONCAT( #{yearStr}, '-01-01' ) AS month_date UNION ALL
         SELECT
-        @ROW := @ROW + 1 AS ROW
+        DATE_ADD( month_date, INTERVAL 1 MONTH ) AS month_date
         FROM
-        (
-        SELECT
-        0 UNION ALL
-        SELECT
-        1 UNION ALL
-        SELECT
-        2 UNION ALL
-        SELECT
-        3 UNION ALL
-        SELECT
-        4 UNION ALL
-        SELECT
-        5 UNION ALL
-        SELECT
-        6 UNION ALL
-        SELECT
-        7 UNION ALL
-        SELECT
-        8 UNION ALL
-        SELECT
-        9
-        ) t,
-        (
-        SELECT
-        0 UNION ALL
-        SELECT
-        1 UNION ALL
-        SELECT
-        2 UNION ALL
-        SELECT
-        3 UNION ALL
-        SELECT
-        4 UNION ALL
-        SELECT
-        5 UNION ALL
-        SELECT
-        6 UNION ALL
-        SELECT
-        7 UNION ALL
-        SELECT
-        8 UNION ALL
-        SELECT
-        9
-        ) t2,
-        ( SELECT @ROW :=- 1 ) r
-        ) se
+        months
         WHERE
-        DATE_FORMAT( date_add( CONCAT( #{yearStr}, '-01-01' ), INTERVAL ROW MONTH ), '%Y-%m' ) <= DATE_FORMAT( CONCAT( #{yearStr}, '-12-01' ), '%Y-%m' )) s,
+        month_date < CONCAT( #{yearStr}, '-12-01' )
+        ) SELECT
+        DATE_FORMAT( month_date, '%Y-%m' ) AS date_time
+        FROM
+        months
+        ) s,
         sys_dict_data d
         WHERE
         d.dict_type = 'hidden_danger_grade'