Merge remote-tracking branch 'origin/master'

src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java

@@ -973,6 +973,25 @@ public class InfluxQueryWrapper {
         return this;
     }
 
+    /***
+     * 批量返回包含谐波次数的数据。
+     * @author xuyang
+     * @param prefix 表字段名
+     * @param suffix 映射名称
+     * @return InfluxQueryWrapper
+     * 输出 prefix+diffContent+suffix as prefix+diffContent+suffix
+     */
+    public InfluxQueryWrapper samePrefixAndSuffix(String prefix, String suffix, List<Object> diffContent) {
+        if (CollectionUtil.isEmpty(diffContent)) {
+            throw new RuntimeException("查询数值集合为空，请校验！");
+        }
+        for (Object obj : diffContent) {
+            String fieldName = prefix + obj + suffix;
+            this.select(fieldName,fieldName);
+        }
+        return this;
+    }
+
 
     /**************************自定义查询条件，比如between、>、<、=、>=、<=等等**************************/