HTML5/AngularJS:如何让自动完成列表保存对象值?

script.js

script.js

function loadItems() {
    var data = [ 
        { name: 'Chicken', id: '7777' },
        { name: 'Corn', id: '9001' },
        { name: 'Cabbage', id: '6996' },
        { name: 'Chili', id: '4242' },
        { name: 'Cheese', id: '1337' }
    ];
    sessionStorage.setItem( 'items', JSON.stringify(data) );
}

function TypeaheadCtrl( $scope, $http ) {
    $scope.selected = undefined;
    $scope.items = JSON.parse(sessionStorage.getItem('items'));
}
function loadItems() {