ng-options 直接給Array object
<select ng-model="pageSize" ng-options='option.value as option.name for option in [{ name: "10", value: 10 },{ name: "20", value: 20 },{ name: "30", value: 30 },{ name: "40", value: 40 },{ name: "50", value: 50 }]'>
</select>