iOS 取消第一响应者

方法一:web -(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{ //界面全部输入框都中止编辑 [self.view endEditing:YES]; } 方法二:svg -(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEv
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