摘要:
1.UI书写:一个小练习图片如下:代码如下:@implementationAppDelegate{UIControl*control;UILabel*label;} label= [[UILabelalloc]initWithFrame:CGRectMake(10,50,300,50)];control= [[UIControlalloc]initWithFrame:CGRectMake(10,50,300,50)];label.backgroundColor= [UIColorclearColor];label.text=@"按我呀、好爽!";label.textColo 阅读全文