UILabel * oper2=[[UILabelalloc] initWithFrame:CGRectMake(200, 100, 30, 30)];//初始化
oper2.text=@"=";
oper2.textColor=[UIColorblackColor];//字體爲黑色
oper2.backgroundColor=[UIColorclearColor];//清除背景顏色
oper2.textAlignment=1;//字居中
oper2.font=[UIFont systemFontOfSize:25]; //字體的大小
oper2.shadowOffset=CGSizeMake(2, 1);//陰影的偏移位置
oper2.shadowColor=[UIColorgrayColor];//陰影顏色
[self.view addSubview:oper2];//加載顯示
[oper2 release];//內存管理
隨字數改變高度
//初始化UILable 用於顯示影院乘車路線
UILabel * buslinelbl = [UILabel labelWithFrame:CGRectMake(NUM_TEN, NUM_TEN, SCREENFRAME_WIDTH-2*NUM_TEN, 100) text:[NSString stringWithFormat:@"乘車路線：%@",[self.cinemaMessage objectForKey:@"busline"]] textColor:[UIColor whiteColor] setFont:[UIFont systemFontOfSize:NUM_THIRTEEN]];
buslinelbl.lineBreakMode = NSLineBreakByCharWrapping;//設置自動換行
buslinelbl.numberOfLines = 10;//設置行數
CGSize size = CGSizeMake(buslinelbl.frame.size.width,200); //設置寬高，其中高爲允許的最大高度
CGSize labelsize = [buslinelbl.text sizeWithFont:buslinelbl.font constrainedToSize:size lineBreakMode:1]; //通過文本_lblContent.text的字數，字體的大小，限制的高度大小以及模式來獲取label的大小
[buslinelbl setFrame:CGRectMake(buslinelbl.frame.origin.x,buslinelbl.frame.origin.y,labelsize.width,labelsize.height)]; //最後根據這個大小設置label的frame即可
[scroll addSubview:buslinelbl];//加載在滾動視圖上
CGSize size = CGSizeMake(_lblContent.frame.size.width,10000); //設置寬高，其中高爲允許的最大高度
CGSize labelsize = [_lblContent.text sizeWithFont:_lblContent.font constrainedToSize:size lineBreakMode:UILineBreakModeWordWrap]; //通過文本_lblContent.text的字數，字體的大小，限制的高度大小以及模式來獲取label的大小
[_lblContent setFrame:CGRectMake(_lblContent.frame.origin.x,_lblContent.frame.origin.y,labelsize.width,labelsize.height)]; //最後根據這個大小設置label的frame即可
label.font = [UIFont fontWithName:@"Arial-BoldItalicMT" size:24];
字體名如下：
Font Family: American Typewriter
Font: AmericanTypewriter
Font: AmericanTypewriter-Bold
Font Family: AppleGothic
Font: AppleGothic
Font Family: Arial
Font: ArialMT
Font: Arial-BoldMT
Font: Arial-BoldItalicMT
Font: Arial-ItalicMT
Font Family: Arial Rounded MT Bold
Font: ArialRoundedMTBold
Font Family: Arial Unicode MS
Font: ArialUnicodeMS
Font Family: Courier
Font: Courier
Font: Courier-BoldOblique
Font: Courier-Oblique
Font: Courier-Bold
Font Family: Courier New
Font: CourierNewPS-BoldMT
Font: CourierNewPS-ItalicMT
Font: CourierNewPS-BoldItalicMT
Font: CourierNewPSMT
Font Family: DB LCD Temp
Font: DBLCDTempBlack
Font Family: Georgia
Font: Georgia-Bold
Font: Georgia
Font: Georgia-BoldItalic
Font: Georgia-Italic
Font Family: Helvetica
Font: Helvetica-Oblique
Font: Helvetica-BoldOblique
Font: Helvetica
Font: Helvetica-Bold
Font Family: Helvetica Neue
Font: HelveticaNeue
Font: HelveticaNeue-Bold
Font Family: Hiragino Kaku Gothic **** W3
Font: HiraKakuProN-W3
Font Family: Hiragino Kaku Gothic **** W6
Font: HiraKakuProN-W6
Font Family: Marker Felt
Font: MarkerFelt-Thin
Font Family: STHeiti J
Font: STHeitiJ-Medium
Font: STHeitiJ-Light
Font Family: STHeiti K
Font: STHeitiK-Medium
Font: STHeitiK-Light
Font Family: STHeiti SC
Font: STHeitiSC-Medium
Font: STHeitiSC-Light
Font Family: STHeiti TC
Font: STHeitiTC-Light
Font: STHeitiTC-Medium
Font Family: Times New Roman
Font: TimesNewRomanPSMT
Font: TimesNewRomanPS-BoldMT
Font: TimesNewRomanPS-BoldItalicMT
Font: TimesNewRomanPS-ItalicMT
Font Family: Trebuchet MS
Font: TrebuchetMS-Italic
Font: TrebuchetMS
Font: Trebuchet-BoldItalic
Font: TrebuchetMS-Bold
Font Family: Verdana
Font: Verdana-Bold
Font: Verdana-BoldItalic
Font: Verdana
Font: Verdana-Italic
Font Family: Zapfino
Font: Zapfino
UIFont fontWithName 後不知道字體的名字,看了下面的全解決！
