图片在上文字在下
UIButton*btn=[[UIButton alloc]initWithFrame:CGRectMake(25, 0, 85, 130)];
[btn setImage:[UIImage imageNamed:@"homeQian"] forState:(UIControlStateNormal)];
[btn setTitle:@"我的积分 :" forState:(UIControlStateNormal)];
btn.titleLabel.font=[UIFont systemFontOfSize:K_36Size];
btn.titleLabel.adjustsFontSizeToFitWidth=YES;
[btn setTitleColor:BlackColor forState:(UIControlStateNormal)];
btn.contentHorizontalAlignment=UIControlContentHorizontalAlignmentCenter;
button.titleEdgeInsets = UIEdgeInsetsMake(0, -button.imageView.frame.size.width, -button.imageView.frame.size.height, 0);
// 由于iOS8中titleLabel的size为0，用上面这样设置有问题，修改一下即可
button.imageEdgeInsets = UIEdgeInsetsMake(-button.titleLabel.frame.size.height, 0, 0, -button.titleLabel.intrinsicContentSize.width);
[_btmView addSubview:btn];
文字在左图片在右
[btn setTitleEdgeInsets:UIEdgeInsetsMake(0, - btn.imageView.image.size.width, 0, btn.imageView.image.size.width)];
[btn setImageEdgeInsets:UIEdgeInsetsMake(0, btn.titleLabel.bounds.size.width, 0, -btn.titleLabel.bounds.size.width)];
