UIlable 字数

    UIFont *m_myFont = [UIFont fontWithName:@"Helvetica" size:10];

    CGSize mySize = [m_text sizeWithFont:m_myFont constrainedToSize:CGSizeMake(175.0f, 2000.0f)];

    CGRect myRect = m_huLabel.frame;

    myRect.size = mySize;

    [m_huLabel setFrame:myRect];

    [m_huLabel setText:m_text];