UILabel 字体加粗
加粗
loginLabel.font = [UIFont fontWithName:@"Helvetica-Bold" size:20];
加粗并且倾斜
loginLabel.font = [UIFont fontWithName:@"Helvetica-BoldOblique" size:20];
加粗
loginLabel.font = [UIFont fontWithName:@"Helvetica-Bold" size:20];
加粗并且倾斜
loginLabel.font = [UIFont fontWithName:@"Helvetica-BoldOblique" size:20];