//uilable的大小自適應例項
uilabel *mylable = [[uilabel alloc] initwithframe:cgrectmake(0, 0, 2, 2)];//設定位置與大小
[mylable setfont:[uifont fontwithname:@"helvetica" size:20.0]];//格式
[mylable setnumberoflines:0];//行數，只有設為0才能自適應
[mylable setbackgroundcolor:[uicolor clearcolor]];//背景色
mylable.shadowcolor = [uicolor darkgraycolor];//陰影顏色
mylable.shadowoffset = cgsizemake(1., 1.0);//陰影大小
nsstring *text = @"abcdefghijklmnopqrstuvwxyz";
uifont *font = [uifont fontwithname:@"helvetica" size:20.0];
cgsize size = [text sizewithfont:font constrainedtosize:cgsizemake(175.0f, 2000.0f) linebreakmode:uilinebreakmodewordwrap];
cgrect rect = mylable.frame;
rect.size = size;
[mylable setframe:rect];
[mylable settext:text];
mylable.shadowcolor = [uicolor darkgraycolor];//陰影顏色
mylable.shadowoffset = cgsizemake(2.0, 2.0);//陰影大小
[self.view addsubview:mylable];
[mylable release];
//uilable的基本用法
uilabel *lbl1 = [[uilabel alloc] initwithframe:cgrectmake(50.0, 40.0, 200.0, 30.0)];
uilabel *lbl2 = [[uilabel alloc] initwithframe:cgrectmake(50.0, 80.0, 200.0, 50.0)];
uilabel *lbl3 = [[uilabel alloc] initwithframe:cgrectmake(50.0, 140.0, 200.0, 50.0)];
uilabel *lbl4 = [[uilabel alloc] initwithframe:cgrectmake(50.0, 200.0, 200.0, 50.0)];
uilabel *lbl5 = [[uilabel alloc] initwithframe:cgrectmake(50.0, 260.0, 200.0, 50.0)];
uilabel *lbl6 = [[uilabel alloc] initwithframe:cgrectmake(50.0, 320.0, 200.0, 50.0)];
uilabel *lbl7 = [[uilabel alloc] initwithframe:cgrectmake(50.0, 380.0, 200.0, 50.0)];
//設定顯示文字
lbl1.text = @"lable1";
lbl2.text = @"lable2";
lbl3.text = @"lable3--lable3--lable3--lable3--lable3--lable3--lable3--lable3--lable3--lable3--lable3--11個";
lbl4.text = @"lable4--lable4--lable4--lable4--4個";
lbl5.text = @"lable5--lable5--lable5--lable5--lable5--lable5--6個";
lbl6.text = @"lable6";
lbl7.text = @"lable7";
//設定字型：粗體，正常的是systemfontofsize
lbl1.font = [uifont boldsystemfontofsize:20];
//設定文字顏色
lbl1.textcolor = [uicolor orangecolor];
lbl2.textcolor = [uicolor purplecolor];
//設定背景顏色
lbl1.backgroundcolor = [uicolor clearcolor];
lbl2.backgroundcolor = [uicolor colorwithred:0.5f green:30/255.0f blue:0.3f alpha:0.5f];
//設定字型位置
lbl1.textalignment = uitextalignmentright;
lbl2.textalignment = uitextalignmentcenter;
//設定字型的小適應lable的寬度
lbl4.adjustsfontsizetofitwidth = yes;
//設定lable 的行數
lbl5.numberoflines = 2;
//設定高亮
lbl6.highlighted = yes;
lbl6.highlightedtextcolor = [uicolor orangecolor];
//設定陰影
lbl7.shadowcolor = [uicolor redcolor];
lbl7.shadowoffset = cgsizemake(1.0, 1.0);
//設定是否能與使用者進行互動
lbl7.userinteractionenabled = yes;
//設定lable中文字是否可變，預設為yes；
lbl3.enabled = no;
//設定lable中文字過長時的顯示格式
lbl3.linebreakmode = uilinebreakmodemiddletruncation; //截去中間
// typedef enumuilinebreakmode;
//如果adjustsfontsizetofitwidth屬性設定為yes，這個屬性就用來控制文字基線的行為
lbl4.baselineadjustment = uibaselineadjustmentnone;
[self.view addsubview:lbl1];
[self.view addsubview:lbl2];
[self.view addsubview:lbl3];
[self.view addsubview:lbl4];
[self.view addsubview:lbl5];
[self.view addsubview:lbl6];
[self.view addsubview:lbl7];
[lbl1 release];
[lbl2 release];
[lbl3 release];
[lbl4 release];
[lbl5 release];
[lbl6 release];
[lbl7 release];
UILable不同版中的lineBreakMode
label.linebreakmode nslinebreakbyclipping 剪下與文字寬度相同的內容長度，後半部分被刪除。label.linebreakmode nslinebreakbytruncatinghead 前面部分文字以 方式省略，顯示尾部文字內容。label.linebreak...
UILable不同版中的lineBreakMode
label.linebreakmode nslinebreakbyclipping 剪下與文字寬度相同的內容長度，後半部分被刪除。label.linebreakmode nslinebreakbytruncatinghead 前面部分文字以 方式省略，顯示尾部文字內容。label.linebreak...
UILable不同版中的lineBreakMode
label.linebreakmode nslinebreakbyclipping 剪下與文字寬度相同的內容長度，後半部分被刪除。label.linebreakmode nslinebreakbytruncatinghead 前面部分文字以 方式省略，顯示尾部文字內容。label.linebreak...