摘要：
1、动态创建btnfont=[UIButtonbuttonWithType:UIButtonTypeRoundedRect];[btnfontsetFrame:CGRectMake(100,10,120,40)];[btnfontaddTarget:selfaction:nilforControlEvents:UIControlEventTouchUpInside];[btnfontsetTitle:@"字体"forState:UIControlStateNormal];btnfont.backgroundColor=[UIColorclearColor];[self.vi 阅读全文
