@在iOS6之前需要使用NSMutableAttributedString时都需要导入：CoreText.framework框架的，但在iOS6 之后就不在需要了.
- (void)testOfNSMutableAttributedStringAndNSAttributedString
{
/**
* - (void)addAttribute:(NSString *)name value:(id)value range:(NSRange)range;
* 主要方法
* name 属性名
* value 属性对应效果的值
* range 效果所映射的范围
*/
#pragma mark 测试数据0
NSString *testString = @"NSMutableAttributed---0";
UILabel *testLabel = [[UILabel alloc] initWithFrame:CGRectMake(60, 100, 200, 40)];
NSMutableAttributedString * testAttriString = [[NSMutableAttributedString alloc] initWithString:testString];
// 添加删除线
[testAttriString addAttribute:NSStrikethroughStyleAttributeName value:[NSNumber numberWithInt:NSUnderlineStyleSingle] range:NSMakeRange(0, testAttriString.length)];
// 添加下划线
[testAttriString addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt:NSUnderlineStyleSingle] range:NSMakeRange(0, testAttriString.length)];
// 设置文本的字体以及大小
[testAttriString addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Helvetica-Bold" size:15] range:NSMakeRange(0, testAttriString.length)];
// 设置笔画的粗细
[testAttriString addAttribute:NSStrokeWidthAttributeName value:[NSNumber numberWithInt:NSUnderlineStyleDouble] range:NSMakeRange(0, testAttriString.length)];
// label的背景颜色
[testAttriString addAttribute:NSBackgroundColorAttributeName value:[UIColor yellowColor] range:NSMakeRange(0, testAttriString.length)];
// 目前没测出什么效果.....
[testAttriString addAttribute:NSVerticalGlyphFormAttributeName value:[NSNumber numberWithInt:1] range:NSMakeRange(0, testAttriString.length)];
// label上文本颜色(也会影响删除线和下划线的颜色)
[testAttriString addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, testAttriString.length)];
testLabel.attributedText = testAttriString;
#pragma mark 测试数据1
NSString *testString1 = @"NSMutableAttributed---1";
UILabel *testLabel1 = [[UILabel alloc] initWithFrame:CGRectMake(60, 200, 200, 40)];
NSMutableAttributedString * testAttriString1 = [[NSMutableAttributedString alloc] initWithString:testString1];
// 实现文本内容颜色和下划线,删除线的颜色不一样
// NSStrokeColorAttributeName 单独设置没有效果
// 必须与NSStrokeWidthAttributeName一起设置
[testAttriString1 addAttribute:NSStrikethroughStyleAttributeName value:[NSNumber numberWithInt:NSUnderlineStyleSingle] range:NSMakeRange(0, testAttriString1.length)];
[testAttriString1 addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, testAttriString1.length)];
[testAttriString1 addAttribute:NSStrokeColorAttributeName value:[UIColor cyanColor] range:NSMakeRange(0, testAttriString1.length)];
[testAttriString1 addAttribute:NSStrokeWidthAttributeName value:[NSNumber numberWithInt:NSUnderlineStyleDouble] range:NSMakeRange(0, testAttriString1.length)];
testLabel1.attributedText = testAttriString1;
#pragma mark 测试数据2
NSString *testString2 = @"NSMutableAttributed---2";
UILabel *testLabel2= [[UILabel alloc] initWithFrame:CGRectMake(60, 300, 200, 40)];
NSMutableAttributedString * testAttriString2 = [[NSMutableAttributedString alloc] initWithString:testString2];
// 笔画的阴影效果
NSShadow *shadow = [[NSShadow alloc] init];
[shadow setShadowColor:[UIColor colorWithRed:0.053 green:0.088 blue:0.205 alpha:1.000]];
[shadow setShadowBlurRadius:4.0];
[shadow setShadowOffset:CGSizeMake(2, 2)];
[testAttriString2 addAttribute:NSShadowAttributeName value:shadow range:NSMakeRange(0, [testAttriString2 length])];
testLabel2.backgroundColor = [UIColor clearColor];
testLabel2.attributedText = testAttriString2;
[self.view addSubview:testLabel];
[self.view addSubview:testLabel1];
[self.view addSubview:testLabel2];
}