实例化方法和使用方法
实例化方法：
使用字符串初始化
- (id)initWithString:(NSString *)str;
例：
NSMutableAttributedString *AttributedStr = [[NSMutableAttributedStringalloc]initWithString:@"今天天气不错呀"];
- (id)initWithString:(NSString *)str attributes:(NSDictionary *)attrs;
字典中存放一些属性名和属性值，如：
NSDictionary *attributeDict = [NSDictionarydictionaryWithObjectsAndKeys:
[UIFontsystemFontOfSize:15.0],NSFontAttributeName,
[UIColorredColor],NSForegroundColorAttributeName,
NSUnderlineStyleAttributeName,NSUnderlineStyleSingle,nil];
NSMutableAttributedString *AttributedStr = [[NSMutableAttributedStringalloc]initWithString:@"今天天气不错呀" attributes:attributeDict];
- (id)initWithAttributedString:(NSAttributedString *)attester;
使用NSAttributedString初始化，跟NSMutableString，NSString类似
使用方法：
为某一范围内文字设置多个属性
- (void)setAttributes:(NSDictionary *)attrs range:(NSRange)range;
为某一范围内文字添加某个属性
- (void)addAttribute:(NSString *)name value:(id)value range:(NSRange)range;
为某一范围内文字添加多个属性
- (void)addAttributes:(NSDictionary *)attrs range:(NSRange)range;
移除某范围内的某个属性
- (void)removeAttribute:(NSString *)name range:(NSRange)range;
2. 常见的属性及说明
NSFontAttributeName 字体
NSParagraphStyleAttributeName 段落格式
NSForegroundColorAttributeName 字体颜色
NSBackgroundColorAttributeName 背景颜色
NSStrikethroughStyleAttributeName删除线格式
NSUnderlineStyleAttributeName 下划线格式
NSStrokeColorAttributeName 删除线颜色
NSStrokeWidthAttributeName删除线宽度
NSShadowAttributeName 阴影
更多方法和属性说明详见苹果官方说明文档：
https://developer.apple.com/library/ios/documentation/Cocoa/Reference/Foundation/Classes/NSMutableAttributedString_Class/Reference/Reference.html#//apple_ref/doc/uid/TP40003689
3. 使用实例
<p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px; line-height: normal; font-size: 14px;"><span style="font-family: 'Courier New';"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span style="line-height: 24.5px; color: rgb(112, 61, 170);"><span class="typ" style="color: rgb(102, 0, 102);">UILabel</span></span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">*</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);">testLabel </span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">=</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">[[</span><span style="line-height: 24.5px; color: rgb(112, 61, 170);"><span class="typ" style="color: rgb(102, 0, 102);">UILabel</span></span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span style="line-height: 24.5px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">alloc</span></span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">]</span><span style="line-height: 24.5px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">initWithFrame</span></span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">:</span><span style="line-height: 24.5px; color: rgb(61, 29, 129);"><span class="typ" style="color: rgb(102, 0, 102);">CGRectMake</span></span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">(</span><span style="line-height: 24.5px; color: rgb(39, 42, 216);"><span class="lit" style="color: rgb(0, 102, 102);">0</span></span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">,</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span style="line-height: 24.5px; color: rgb(39, 42, 216);"><span class="lit" style="color: rgb(0, 102, 102);">100</span></span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">,</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span style="line-height: 24.5px; color: rgb(39, 42, 216);"><span class="lit" style="color: rgb(0, 102, 102);">320</span></span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">,</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span style="line-height: 24.5px; color: rgb(39, 42, 216);"><span class="lit" style="color: rgb(0, 102, 102);">30</span></span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">)];</span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: 24.5px; font-size: 14px;"><span class="pln" style="color: rgb(0, 0, 0);"> testLabel</span><span class="pun" style="color: rgb(102, 102, 0);">.</span></span><span style="line-height: normal; color: rgb(112, 61, 170); font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);">backgroundColor</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">[</span></span><span style="line-height: normal; color: rgb(112, 61, 170); font-size: 14px;"><span class="typ" style="line-height: 24.5px; color: rgb(102, 0, 102);">UIColor</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pln" style="color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">lightGrayColor</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pun" style="color: rgb(102, 102, 0);">];</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: 24.5px; font-size: 14px;"><span class="pln" style="color: rgb(0, 0, 0);"> testLabel</span><span class="pun" style="color: rgb(102, 102, 0);">.</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(112, 61, 170);"><span class="pln" style="color: rgb(0, 0, 0);">textAlignment</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="pln" style="color: rgb(0, 0, 0);"> </span></span><span style="line-height: normal; color: rgb(61, 29, 129); font-size: 14px;"><span class="typ" style="line-height: 24.5px; color: rgb(102, 0, 102);">NSTextAlignmentCenter</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pun" style="color: rgb(102, 102, 0);">;</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: 24.5px; font-size: 14px;"><span class="pln" style="color: rgb(0, 0, 0);"> </span></span><span style="line-height: normal; color: rgb(112, 61, 170); font-size: 14px;"><span class="typ" style="line-height: 24.5px; color: rgb(102, 0, 102);">NSMutableAttributedString</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">*</span><span class="typ" style="color: rgb(102, 0, 102);">AttributedStr</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">[[</span></span><span style="line-height: normal; color: rgb(112, 61, 170); font-size: 14px;"><span class="typ" style="line-height: 24.5px; color: rgb(102, 0, 102);">NSMutableAttributedString</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pln" style="color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">alloc</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pun" style="color: rgb(102, 102, 0);">]</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">initWithString</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pun" style="color: rgb(102, 102, 0);">:</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(209, 47, 27);"><span class="pun" style="color: rgb(102, 102, 0);">@</span><span class="str" style="color: rgb(0, 136, 0);">"</span></span><span style="line-height: normal; font-size: 14px; color: rgb(209, 47, 27);"><span class="str" style="line-height: 24.5px; color: rgb(0, 136, 0);">今天天气不错呀</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(209, 47, 27);"><span class="str" style="color: rgb(0, 136, 0);">"</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pun" style="color: rgb(102, 102, 0);">];</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">[</span><span class="typ" style="line-height: 24.5px; color: rgb(102, 0, 102);">AttributedStr</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">addAttribute</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">:</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(112, 61, 170);"><span class="typ" style="color: rgb(102, 0, 102);">NSFontAttributeName</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">value</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">:[</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(112, 61, 170);"><span class="typ" style="color: rgb(102, 0, 102);">UIFont</span></span><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">systemFontOfSize</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">:</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(39, 42, 216);"><span class="lit" style="color: rgb(0, 102, 102);">16.0</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">]</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">range</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">:</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="typ" style="color: rgb(102, 0, 102);">NSMakeRange</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">(</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(39, 42, 216);"><span class="lit" style="color: rgb(0, 102, 102);">2</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">,</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(39, 42, 216);"><span class="lit" style="color: rgb(0, 102, 102);">2</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">)];</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: 24.5px; font-size: 14px;"><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">[</span><span class="typ" style="color: rgb(102, 0, 102);">AttributedStr</span><span class="pln" style="color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">addAttribute</span></span><span style="line-height: 24.5px; font-size: 14px;"><span class="pun" style="color: rgb(102, 102, 0);">:</span></span><span style="line-height: normal; color: rgb(112, 61, 170); font-size: 14px;"><span class="typ" style="line-height: 24.5px; color: rgb(102, 0, 102);">NSForegroundColorAttributeName</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">value</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">:[</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(112, 61, 170);"><span class="typ" style="color: rgb(102, 0, 102);">UIColor</span></span><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">redColor</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">]</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">range</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">:</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="typ" style="color: rgb(102, 0, 102);">NSMakeRange</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">(</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(39, 42, 216);"><span class="lit" style="color: rgb(0, 102, 102);">2</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">,</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(39, 42, 216);"><span class="lit" style="color: rgb(0, 102, 102);">2</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">)];</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> testLabel</span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">.</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(112, 61, 170);"><span class="pln" style="color: rgb(0, 0, 0);">attributedText</span></span><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">=</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span class="typ" style="line-height: 24.5px; color: rgb(102, 0, 102);">AttributedStr</span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">;</span></span></span></p><p style="margin-top: 0px; margin-bottom: 10px; padding-top: 0px; padding-bottom: 0px;"><span style="font-family: 'Courier New';"><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">[</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(187, 44, 162);"><span class="kwd" style="color: rgb(0, 0, 136);">self</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">.</span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(112, 61, 170);"><span class="pln" style="color: rgb(0, 0, 0);">view</span></span><span style="line-height: normal; font-size: 14px;"><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);"> </span></span><span style="line-height: 24.5px; font-size: 14px; color: rgb(61, 29, 129);"><span class="pln" style="color: rgb(0, 0, 0);">addSubview</span></span><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">:</span><span class="pln" style="line-height: 24.5px; color: rgb(0, 0, 0);">testLabel</span><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);">];</span></span></span></p><div><span style="font-family: 'Courier New';"><span style="line-height: normal; font-size: 14px;"><span class="pun" style="line-height: 24.5px; color: rgb(102, 102, 0);"></span></span></span></div>
0 0
