创建UILabel

self.lbl=[[UILabel alloc] initWithFrame:CGRectMake(135, 290,200,35)];

self.lbl.backgroundColor=[UIColor clearColor];

NSString *str=[NSString stringWithFormat:@"%.f",[self.slider value]];

[self.lbl setFont:[UIFont fontWithName:@"Arial-BoldMT" size:16]];

self.lbl.text=str;

[self.View addSubview:self.lbl];

点击UIButton时修改UILabel文本尺寸

-(IBAction)ButtonPressed:(id)sender

{

[self.lbl setFont:[UIFont fontWithName:@"Arial-BoldMT" size:25]];

}

更多信息请查看IT技术专栏