add role property

HandyControlDemo/ViewModel/Main/ContributorsViewModel.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using GalaSoft.MvvmLight;
+using HandyControlDemo.Data;
+using HandyControlDemo.Service;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class ContributorsViewModel : ViewModelBase
+    {
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        private List<ContributorModel> _dataList;
+
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        public List<ContributorModel> DataList
+        {
+            get => _dataList;
+            set => Set(ref _dataList, value);
+        }
+
+        public ContributorsViewModel(DataService dataService)
+        {
+            Task.Run(() =>
+            {
+                DataList = dataService.GetContributorDataList();
+            });
+        }
+    }
+}