IOS UIlabel, UIButton add underline

1. Add an underscore to the Uilabel

UILabel *label = [[UILabel alloc] Initwithframe:cgrectmake (0, -, -, -)]; Label.backgroundcolor=[Uicolor Redcolor]; Label.numberoflines=3; Nsmutableattributedstring*content = [[Nsmutableattributedstring alloc]initwithstring:[nsstring stringWithFormat:@"your To Do business section FASDFASDFOSADFJASDKLJFKLASJKLFJASDLKJFKLASDJKLFJALSKDJFLKADSJ"]]; Nsrange Contentrange= {0, [content length]}; [Content Addattribute:nsunderlinestyleattributename Value:[nsnumber Numberwithinteger:nsunderlinestylesingle]  Range:contentrange]; Label.attributedtext=content; [Self.view Addsubview:label];

2. http://blog.csdn.net/chaoyuan899/article/details/38306141

Iosuibuttonuilabel Underline

Method One:

[OBJC]View Plaincopyprint?

1. nsmutableattributedstring *str = [[nsmutableattributedstring alloc] initwithstring:@ "View all winning records"];
2. Nsrange Strrange = {0,[str length]};
3. [Str addattribute:nsunderlinestyleattributename value:[nsnumber Numberwithinteger:  Nsunderlinestylesingle] Range:strrange];
4. [_awarddisplaybtn setattributedtitle:str Forstate:uicontrolstatenormal];

 Method Two:

HyperlinksButton.h

[OBJC]View Plaincopyprint?

1. #import <UIKit/UIKit.h>
3. @interface Hyperlinksbutton:uibutton
4. {
5. Uicolor *linecolor;
6. }
7. -(void) SetColor: (uicolor*) color;
8. @end

Hyperlinksbutton.m

[OBJC]View Plaincopyprint?

2. #import "HyperlinksButton.h"
6. @implementation Hyperlinksbutton
10. -(ID) initWithFrame: (CGRect) Frame
12. {
14. Self = [super Initwithframe:frame];
16. if (self) {
20. }
22. return self ;
24. }
28. -(void) SetColor: (uicolor *) color{
30. LineColor = [color copy];
32. [self setneedsdisplay];
34. }
40. -(void) DrawRect: (cgrect) rect {
42. CGRect textrect = self. Titlelabel. Frame;
44. Cgcontextref contextref = Uigraphicsgetcurrentcontext ();
48. CGFloat descender = self. Titlelabel. Font. descender;
50. if ([LineColor Iskindofclass:[uicolor class]]) {
52. Cgcontextsetstrokecolorwithcolor (Contextref, LineColor.  Cgcolor);
54. }
58. Cgcontextmovetopoint (Contextref, Textrect. Origin. x, Textrect. Origin. Y + textrect. Size.  Height + descender+1);
60. Cgcontextaddlinetopoint (Contextref, Textrect. Origin. x + textrect. Size. width, textrect. Origin  . Y + textrect. Size. Height + descender+1);
64. Cgcontextclosepath (CONTEXTREF);
66. Cgcontextdrawpath (Contextref, Kcgpathstroke);
68. }
70. @end

Copy this class directly into the project, and then change the required underlined Button class name to Hyperlinksbutton, provide setcolor: This interface, you can set the underline color, the code is very simple, not explained. UILabel have the same benefit.

Example results:

The code is here.

IOS UIlabel, UIButton add underline