设置字体样式代码:[UIFont fontWithName:@"Arial-BoldMT" size:15]
下边一一列举:
一:Font Family: American Typewriter
Font: AmericanTypewriter,如右图 
Font: AmericanTypewriter-Bold 
二:Font Family: AppleGothic
Font: AppleGothic 
三:Font Family: Arial
Font: ArialMT 
Font: Arial-BoldMT 
Font: Arial-BoldItalicMT 
Font: Arial-ItalicMT 
四:Font Family: Arial Rounded MT Bold
Font: ArialRoundedMTBold 
Font: ArialHebrew
Font: ArialHebrew-Bold 
五:Font Family: Arial Unicode MS
Font: ArialUnicodeMS 
六:Font Family: Courier
Font: Courier
Font: Courier-BoldOblique
Font: Courier-Oblique
Font: Courier-Bold
七:Font Family: Courier New
Font: CourierNewPS-BoldMT
Font: CourierNewPS-ItalicMT
Font: CourierNewPS-BoldItalicMT
Font: CourierNewPSMT
八:Font Family: DB LCD Temp
Font: DBLCDTempBlack
Font Family: Georgia
Font: Georgia-Bold
Font: Georgia
Font: Georgia-BoldItalic
Font: Georgia-Italic
九:Font Family: Helvetica
Font: Helvetica-Oblique
Font: Helvetica-BoldOblique
Font: Helvetica
Font: Helvetica-Bold
十:Font Family: Helvetica Neue
Font: HelveticaNeue
Font: HelveticaNeue-Bold
十一:Font Family: Hiragino Kaku Gothic
Font: HiraKakuProN-W3
Font: HiraKakuProN-W6
十三:Font Family: Marker Felt
Font: MarkerFelt-Thin
十四:Font Family: STHeiti J
Font: STHeitiJ-Medium
Font: STHeitiJ-Light
十五:Font Family: STHeiti K
Font: STHeitiK-Medium
Font: STHeitiK-Light
十六:Font Family: STHeiti SC
Font: STHeitiSC-Medium
Font: STHeitiSC-Light
十七:Font Family: STHeiti TC
Font: STHeitiTC-Light
Font: STHeitiTC-Medium
十八:Font Family: Times New Roman
Font: TimesNewRomanPSMT
Font: TimesNewRomanPS-BoldMT
Font: TimesNewRomanPS-BoldItalicMT
Font: TimesNewRomanPS-ItalicMT
十九:Font Family: Trebuchet MS
Font: TrebuchetMS-Italic
Font: TrebuchetMS
Font: Trebuchet-BoldItalic
Font: TrebuchetMS-Bold
二十:Font Family: Verdana
Font: Verdana-Bold
Font: Verdana-BoldItalic
Font: Verdana
Font: Verdana-Italic
二十一:Font Family: Zapfino
Font: Zapfino
UIFont fontWithName 后不知道字体的名字,看了下面的全解决！