iOS ViewController點擊空白處收起鍵盤

點擊ViewController空白處時收起鍵盤，能夠經過系統的touchesBegan方法實現，具體以下：objective-c Objective-C 版swift - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { [self.view endEditing:YES]; } 1 2 3 1

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