同一个label设置不同颜色文字

• (void)setupDiffColorLabel:(UILabel )label WithTitle:(NSString )title WithSeparateString:(NSString )separate WithLeadColor: (UIColor )LeadColor WithTrailColor :(UIColor *)TrailColor
  {
  label.text = title;
  label.textColor = LeadColor;
  NSMutableAttributedString *noteStr = [[NSMutableAttributedString alloc] initWithString:label.text];
  NSRange redRange = NSMakeRange(0, [[noteStr string] rangeOfString:separate].location);
  [noteStr addAttribute:NSForegroundColorAttributeName value:TrailColor range:redRange];
  [label setAttributedText:noteStr];
  }