文字上的删除线

NSString * str = @"ABCDEFG HIJKLMN";

UILabel * aLab = [[UILabel alloc]initWithFrame:CGRectMake(10, 100, 300, 300)];

aLab.text = str;

NSMutableAttributedString * testAttriString = [[NSMutableAttributedString alloc] initWithString:str];

[testAttriString addAttribute:NSStrikethroughStyleAttributeName value:[NSNumber numberWithInt:NSUnderlineStyleSingle] range:NSMakeRange(0, testAttriString.length)];

aLab.attributedText = testAttriString;

[self.view addSubview:aLab];