添加项目文件。

OrpaonEMS.App/Models/ValueRange.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrpaonEMS.App.Models
+{
+    /// <summary>
+    /// 值范围
+    /// </summary>
+    public class ValueRange
+    {
+        /// <summary>
+        /// 实例化函数
+        /// </summary>
+        public ValueRange(double downValue, double upValue)
+        {
+            this.DownValue = downValue;
+            this.UpValue = upValue;
+        }
+
+        /// <summary>
+        /// 上限值
+        /// </summary>
+        public double UpValue { get; private set; }
+
+        /// <summary>
+        /// 下限值
+        /// </summary>
+        public double DownValue { get; private set; }
+    }
+}