iOS6之后 NSAttributedString 的福利
@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]; }
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