使用NSMutableAttributedString为UIButton/UILabel 快速设置文字的大小，字体，颜色

<p class="p1"><span class="s1">@property</span><span class="s2"> (</span><span class="s1">weak</span><span class="s2">, </span><span class="s1">nonatomic</span><span class="s2">) </span><span class="s1">IBOutlet</span><span class="s2"> </span><span class="s3">UIButton</span><span class="s2"> *loginbutton;</span></p><p class="p1"><span class="s1">@property</span><span class="s2"> (</span><span class="s1">weak</span><span class="s2">, </span><span class="s1">nonatomic</span><span class="s2">) </span><span class="s1">IBOutlet</span><span class="s2"> </span><span class="s3">UILabel</span><span class="s2"> *lable;</span></p>

</pre><pre name="code" class="objc">

//** 用富文本快速设置Label的文字：字体，大小，颜色
NSMutableParagraphStyle *ps = [[NSMutableParagraphStyle alloc] init];
// 可以通过ps 设置 行距，间距，对齐方式，拆行方式
[ps setAlignment:NSTextAlignmentCenter];
NSDictionary *attribs       = @{
NSFontAttributeName: [UIFont fontWithName:@"Verdana" size:50],
NSForegroundColorAttributeName:[UIColor redColor],NSParagraphStyleAttributeName:ps};
NSMutableAttributedString *attributedText =[[NSMutableAttributedString alloc] initWithString:self.lable.text attributes:attribs];
self.lable.attributedText   = attributedText;

</pre><pre name="code" class="objc">
//** 用富文本快速设置UIbutton Title的文字：字体，大小，颜色
NSMutableAttributedString *attributedTextForButton =[[NSMutableAttributedString alloc] initWithString:self.loginbutton.titleLabel.text attributes:attribs];
[self.loginbutton setAttributedTitle:attributedTextForButton forState:UIControlStateNormal];