UILable多行，识别\n\t

//识别\n\t多行

 1 -(void) theViewInTheLableToRefresh
 2 {
 3     UILabel *lab = [[UILabel alloc] initWithFrame:CGRectMake(5, 5, 310, 1)];
 4     lab.text = m_strContentText;
 5     lab.numberOfLines = 0;
 6     lab.textColor = [UIColor whiteColor];
 7     lab.lineBreakMode = NSLineBreakByTruncatingTail;
 8     UIFont * tfont = [UIFont fontWithName:FontName size:14.f];
 9     lab.font = tfont;
10     CGSize size =CGSizeMake(310,MAXFLOAT);
11     
12     NSDictionary * tdic = [NSDictionary dictionaryWithObjectsAndKeys:tfont,NSFontAttributeName,nil];
13     
14     //ios7方法，获取文本需要的size，限制宽度
15     
16     CGSize  actualsize =[m_strContentText boundingRectWithSize:size options:NSStringDrawingUsesLineFragmentOrigin  attributes:tdic context:nil].size;
17     
18     CGRect rect1 = lab.frame;
19     rect1.size.height = actualsize.height;
20     lab.frame = rect1;
21     
22     
23     [m_viewScroll addSubview:lab];
24 
25     m_viewScroll.contentSize = CGSizeMake(320, lab.frame.size.height+20);
26 }

//自动计算

+(UILabel*) addAutoLable:(CGRect)rect strTitle:(NSString*)strTitle
{
    UILabel *labTitle = [[UILabel alloc] initWithFrame:rect];
    [labTitle setNumberOfLines:0];
    labTitle.textColor = [UIColor whiteColor];
    labTitle.backgroundColor = [UIColor clearColor];
    
    UIFont * tfont = [UIFont fontWithName:FontName size:12.f];
    labTitle.font = tfont;
    labTitle.text = strTitle;
    
    labTitle.lineBreakMode = NSLineBreakByTruncatingTail;
    labTitle.textAlignment = NSTextAlignmentLeft;
    
    CGSize size =CGSizeMake(rect.size.width,MAXFLOAT);
    
    NSDictionary * tdic = [NSDictionary dictionaryWithObjectsAndKeys:tfont,NSFontAttributeName,nil];
    
    //ios7方法，获取文本需要的size，限制宽度
    
    CGSize  actualsize =[strTitle boundingRectWithSize:size options:NSStringDrawingUsesLineFragmentOrigin  attributes:tdic context:nil].size;
    
    CGRect rect1 = labTitle.frame;
    rect1.size.height = actualsize.height;
    labTitle.frame = rect1;
    
    return labTitle;
}

 

posted @ 2014-11-03 14:44  暖流  阅读(478)  评论(0)  编辑  收藏  举报