设置字体颜色

- (void)setButtonColor:(NSButton*)button andColor:(NSColor*)color {

if(color ==nil) {

color = [NSColor redColor];

}

NSFont *font = button.font;

NSDictionary *attrs = [NSDictionary dictionaryWithObjectsAndKeys:font,

NSFontAttributeName,

color,

NSForegroundColorAttributeName,

nil];

NSAttributedString* attributedString = [[NSAttributedString alloc] initWithString:[button title] attributes:attrs];

[button setAttributedTitle:attributedString];

}