Android组件的事件处理有2种方式: 1.基于监听器的事件处理方式:先定义组件,然后为组件设定监听器. 详见http://blog.csdn.net/jediael_lu/article/details/11555497 2.基于回调的事件处理方式:让每一个组件继承UI类,并重写该类的事件处理方法.当该组件遇到某事件时,即会触发相应的事件处理方法. 如: public class MyButton extends Button{ public boolean onKeyDown(int ke…
(1)Convert 函数 select Convert ( VARCHAR(7),ComeDate,120) as Date ,Count(In_code) as 单数,Sum(SumTrueNum) as 件数 from T_In_Top where ComeDate between '2013-01-01' and '2014-08-04' and In_top_State='已完成' and Case_ID=14 and Store_ID=41 group by Convert (…
声音文件folder.wav放置在bin目录下debug下 1.通过API调用 [c-sharp] view plaincopy using System.Runtime.InteropServices; [DllImport("winmm.dll")] public static extern bool PlaySound(string pszSound, int hmod, int fdwSound); public const int SND_FILENAME = 0x00020…