refactor: 统计类型重构

src/main/java/com/syc/slm/slmbi/dto/RealTimeVariableDTO.java

@@ -22,9 +22,9 @@ public class RealTimeVariableDTO {
     @ApiModelProperty(value = "时间间隔,代表(天，时，分，秒)", required = true)
     private Integer interval;
     @ApiModelProperty(value = "统计类型,代表(合计值，平均值，最大值，最小值)", required = true)
-    private Integer statisticsType;
+    private StatisticsType statisticsType;
     @ApiModelProperty(value = "变量集合ids", required = true)
     private List<String> variableIds;
     @ApiModelProperty(value = "以变量为维度是1 , 以时间为维度是2", required = true)
-    private Integer dimension;
+    private Integer dimension;  //FIXME 考虑用枚举
 }

src/main/java/com/syc/slm/slmbi/dto/StatisticsType.java

+package com.syc.slm.slmbi.dto;
+
+/**
+ * 统计类型
+ *
+ * @author liangbin
+ * @date 2021/3/31
+ */
+public enum StatisticsType {
+
+    // 合计值
+    SUM,
+
+    // 平均值
+    AVG,
+
+    // 最大值
+    MAX,
+
+    // 最小值
+    MIN;
+}