UILabel垂直居上對齊[label sizeToFit]; //設置文字過長時的顯示格式 label.lineBreakMode = UILineBreakModeWordWrap; typedefenum { UILineBreakModeWordWrap =0, // Wrap at word boundaries UILineBreakModeCharacterWrap, // Wrap at character boundaries UILineBreakModeClip, //截去多餘部分 Simply clip when it hits the end of the rect截去多餘部分 UILineBreakModeHeadTruncation, //截去頭部Truncate at head of line: "...wxyz". Will truncate multiline text on first line UILineBreakModeTailTruncation,//截去尾部 Truncate at tail of line: "abcd...". Will truncate multiline text on last line UILineBreakModeMiddleTruncation,//截去中間 Truncate middle of line: "ab...yz". Will truncate multiline text in the middle } UILineBreakMode; //設置label的行數,這個能夠根據上節的UITextView自適應高度 label.numberOfLines = 2; label.lineBreakMode = UILineBreakModeWordWrap; label.textAlignment = UITextAlignmentCenter;//設置文字對齊位置,居左,居中,居右 label.text = @ "123" ;//設置顯示文字 //設置文字顏色,能夠有多種顏色能夠選擇 label.textColor = [UIColor whiteColor]; label.backgroundColor = [UIColor blackColor]; //設置字體:粗體,正常的是 SystemFontOfSize,調用系統的字體配置 label.font = [UIFont boldSystemFontOfSize:20]; label.font = [UIFont fontWithName:@ "Arial Rounded MT Bold" size:(36.0)]; //[UIFont fontWithName:@ "Arial" size:14.0]]; //非加粗 //設置文本是否高亮和高亮時的顏色 scoreLabel.highlighted = YES; scoreLabel.highlightedTextColor = [UIColor orangeColor]; //設置陰影的顏色和陰影的偏移位置 scoreLabel.shadowColor = [UIColor redColor]; scoreLabel.shadowOffset = CGSizeMake(1.0,1.0); //設置是否能與用戶進行交互 scoreLabel.userInteractionEnabled = YES; //設置label中的文字是否可變,默認值是YES scoreLabel.enabled = NO; //設置字體大小是否適應label寬度 label.adjustsFontSizeToFitWidth = YES; //若是adjustsFontSizeToFitWidth屬性設置爲YES,這個屬性就來控制文本基線的行爲 coreLabel.baselineAdjustment = UIBaselineAdjustmentNone typedefenum { UIBaselineAdjustmentAlignBaselines =0,// default. used when shrinking text to position based on the original baseline UIBaselineAdjustmentAlignCenters, UIBaselineAdjustmentNone, } UIBaselineAdjustment; //最小文字號數 minimumFontSize 設置背景色爲透明 scoreLabel.backgroudColor=[UIColor clearColor]; 自定義的顏色:scoreLabel.backgroudColor=[UIColor clearColor]; UIColor *color = [UIColor colorWithRed:1.0f green:50.0f blue:0.0f alpha:1.0f]; scoreLabel.textColor = [UIColor color] //UIColor 裏的 RGB 值是CGFloat類型的在0~1範圍內,對應0~255的顏色值範圍。 - (CGRect)textRectForBounds:(CGRect)bounds limitedToNumberOfLines:(NSInteger)numberOfLines; //改變繪文字屬性.重寫時調用super能夠按默認圖形屬性繪製,若本身徹底重寫繪製函數,就不用調用super了. - (void)drawTextInRect:(CGRect)rect; eg: UILabel *label = [[UILabelalloc] initWithFrame:CGRectMake(0, 0, 75, 40)]; //聲明UIlbel並指定其位置和長寬 label.backgroundColor = [UIColorclearColor]; //設置label的背景色,這裏設置爲透明色。 label.font = [UIFont fontWithName:@"Helvetica-Bold" size:13]; //設置label的字體和字體大小。 //lable的旋轉 label.transform = CGAffineTransformMakeRotation(0.1); //設置label的旋轉角度 label.text = @「helloworld」; //設置label所顯示的文本 label.textColor = [UIColorwhiteColor]; //設置文本的顏色 label.shadowColor = [UIColorcolorWithWhite:0.1falpha:0.8f]; //設置文本的陰影色彩和透明度。 label.shadowOffset = CGSizeMake(2.0f, 2.0f); //設置陰影的傾斜角度。 label.textAlignment = UITextAlignmentCenter; //設置文本在label中顯示的位置,這裏爲居中。 //換行技巧:以下換行可實現多行顯示,但要求label有足夠的寬度。 label.lineBreakMode = UILineBreakModeWordWrap; //指定換行模式 label.numberOfLines = 2; // 指定label的行數