function MySelectCtrl($scope){  $scope.Model = [    {      id: 10002,      MainCategory: ‘男‘,      ProductName: ‘水洗T恤‘,      ProductColor: ‘黑‘    },    {      id: 10004,      MainCategory: ‘女‘,      ProductName: ‘V领短袖‘,      ProductColor: ‘红‘    },    {      id: 10006,      MainCategory: ‘男‘,      ProductName: ‘圆领长袖‘,      ProductColor: ‘白‘    }];    $scope.selected = 10002;}

<select ng-model="selected" ng-options="m.id as (m.ProductColor + ‘ - ‘ + m.ProductName) for m in Model">  <option value="">-- 选择一个试试 --</option></select>