ios之按钮创建

1、CGRect aRect= CGRectMake(START_X, START_Y, WIDTH, HEIGHT);

   UIButton *myButton = [UIButton all0c] initWithFrame:aRect]; 

  [myButton addTarget:self action: @selector(method:) forControlEvents: UIControlEventTouchUpside];

2、在Interface Builder中，你可以通过从界面对象组件面板中将按钮拖到应用程序主窗口中来完成。