摘要：
1. 手势（触背景）关闭键盘在ViewDidLoad中调用-(void)tapBackground //在ViewDidLoad中调用{ UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] initWithTarget:... 阅读全文
摘要：
效果初始化UIDatePicker *pick = [[UIDatePicker alloc] init];属性1. 模式pick.datePickerMode = UIDatePickerModeTime;可写属性有 UIDatePickerModeTime, // Di... 阅读全文