首次提交：添加src文件夹代码

Cowain.Bake.Common/Converter/ObjectConverter.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Data;
+
+namespace Cowain.Bake.Common.Converter
+{
+    /// <summary>
+    /// 状态转换器
+    /// </summary>
+    public class ObjectConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            string[] parray = parameter.ToString().ToLower().Split(':'); //将参数字符分段 parray[0]为比较值，parray[1]为true返回值，parray[2]为false返回值
+            if (value == null)
+                return parray[2];  //如果数据源为空，默认返回false返回值
+            if (parray[0].Contains("|"))  //判断有多个比较值的情况
+                return parray[0].Split('|').Contains(value.ToString().ToLower()) ? parray[1] : parray[2];  //多值比较
+            return parray[0].Equals(value.ToString().ToLower()) ? parray[1] : parray[2];  //单值比较
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var returnValue = "otherValue";
+            string[] parray = parameter.ToString().ToLower().Split(':');
+            if (value == null)
+                return returnValue;
+            var valueStr = value.ToString().ToLower();
+            if (valueStr != parray[1])
+                return returnValue;
+            else
+                return parray[0].Contains('|') ? parray[0].Split('|')[0] : parray[0];
+        }
+    }
+}