AngularJS select中ngOptions用法详解 一.用法 ngOption针对不同类型的数据源有不同的用法,主要体现在数组和对象上. 数组: label for value in array select as label for value in array label group by group for value in array select as label group by group for value in array select as label gro
Android开发中Bundle用法包裹数据 Bundle的经典用法,包裹数据放入Intent中,目的在于传输数据. SDK 里是这样描述: A mapping from String values to various Parcelable types. 它帮助我将数据打包传入intent里面,为使用这些数据提供了便利. protected void onListItemClick (ListView l, View v, int position, long id) { super.onLi