摘要: UIButton * button =[UIButton buttonWithType:UIButtonTypeSystem]; [self.view addSubview:button];//一定要先添加到视图上 button.frame=CGRectMake(100, 100, 100, 40) 阅读全文
posted @ 2017-03-09 17:31 仲长可倾 阅读(2013) 评论(0) 推荐(0)