IOS Button简要说明

0. [self.myButton setTitle:@"Press Me"forState:UIControlStateNormal];正常情况下BUTTON的标题内容

   [self.myButton setTitle:@"I'm Pressed"forState:UIControlStateHighlighted];按下BUTTON的标题内容

   [self.myButton addTarget:self action:@selector(buttonIsPressed:)forControlEvents:UIControlEventTouchDown];当BUTTON按下了就会调用@selector里面的方法--buttonIsPressed
   

   [self.myButton addTarget:self action:@selector(buttonIsTapped:)forControlEvents:UIControlEventTouchUpInside]当BUTTON被按下并且在BUTTON上抬起的时候调用该方法
   

   
   

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