iOS NSMutableAttributedString/NSAttributedString 富文本设置
2014-09-16 10:11
861 查看
http://stackoverflow.com/questions/11031623/how-can-i-use-attributedtext-in-uilabel
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//UILabel 设置NSAttributedString
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NSMutableParagraphStyle *ps = [[NSMutableParagraphStyle alloc] init];
[ps setAlignment:NSTextAlignmentCenter];
NSDictionary *attribs = @{NSFontAttributeName: [UIFont fontWithName:@"Microsoft Yahei" size:45],NSParagraphStyleAttributeName:ps};
NSMutableAttributedString *attributedText =[[NSMutableAttributedString alloc] initWithString:super.text
attributes:attribs];
super.attributedText = attributedText;
NSMutableParagraphStyle *paragraph = [[NSMutableParagraphStyle alloc] init];
paragraph.alignment = NSTextAlignmentJustified;//设置对齐方式
paragraph.lineBreakMode = NSLineBreakByWordWrapping;
NSAttributedString的初始化方法有
-initWithString:用String初始化,并没有Attributed信息。
-initWithAttributedString:用AttributedString去初始化。
-initWithString:Attributed:用string及attribute的dictionary来初始化。
具体AttributtedString属性的键值对如下:
NSString *const NSFontAttributeName;//值为UIFont,设置字体,默认值为12-point Helvetica(Neue) 。
下面这段代码可以查看ios中可用的字体,具体那些字体长什么样,可以查看字体册工具。
NSArray *familyArray = [UIFont familyNames];
for (id family in familyArray) {
printf(“%s\n”,[family cStringUsingEncoding:NSUTF8StringEncoding]);
NSArray *fontArray = [UIFont fontNamesForFamilyName:family];
for (id font in fontArray) {
printf(” %s\n”,[font cStringUsingEncoding:NSUTF8StringEncoding]);
}
}
NSString *const NSParagraphStyleAttributeName;//值为NSParagraphStyle,设置段落属性,默认值为[NSParagraphStyle defaultParagraphStyle]返回的值。
NSMutableParagraphStyle与NSParagraphStyle包括一下属性
alignment //对齐方式
firstLineHeadIndent //首行缩进
headIndent //缩进
tailIndent //尾部缩进
lineBreakMode //断行方式
maximumLineHeight //最大行高
minimumLineHeight //最低行高
lineSpacing //行距
paragraphSpacing //段距
paragraphSpacingBefore //段首空间
baseWritingDirection //句子方向
lineHeightMultiple //可变行高,乘因数。
hyphenationFactor //连字符属性
NSString *const NSForegroundColorAttributeName;//值为UIColor,字体颜色,默认为黑色。
NSString *const NSBackgroundColorAttributeName;//值为UIColor,字体背景色,默认没有。
NSString *const NSLigatureAttributeName;//值为整型NSNumber,连字属性,一般中文用不到,在英文中可能出现相邻字母连笔的情况。0为不连笔;1为默认连笔,也是默认值;2在ios 上不支持。
NSString *const NSKernAttributeName;//值为浮点数NSNumber,字距属性,默认值为0。
NSString *const NSStrikethroughStyleAttributeName;//值为整型NSNumber,可取值为
enum {
NSUnderlineStyleNone = 0×00,
NSUnderlineStyleSingle = 0×01,
}; 设置删除线。
NSString *const NSUnderlineStyleAttributeName;//同上。设置下划线。
NSString *const NSStrokeColorAttributeName;//值为UIColor,默认值为nil,设置的属性同ForegroundColor。
NSString *const NSStrokeWidthAttributeName;//值为浮点数NSNumber。设置比画的粗细。
NSString *const NSShadowAttributeName;//值为NSShadow,设置比画的阴影,默认值为nil。
NSString *const NSVerticalGlyphFormAttributeName;//值为整型NSNumber,0为水平排版的字,1为垂直排版的字
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//UILabel 设置NSAttributedString
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NSMutableParagraphStyle *ps = [[NSMutableParagraphStyle alloc] init];
[ps setAlignment:NSTextAlignmentCenter];
NSDictionary *attribs = @{NSFontAttributeName: [UIFont fontWithName:@"Microsoft Yahei" size:45],NSParagraphStyleAttributeName:ps};
NSMutableAttributedString *attributedText =[[NSMutableAttributedString alloc] initWithString:super.text
attributes:attribs];
super.attributedText = attributedText;
<code style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif;"><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">UITextView</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">lab </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">[</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">LocalTexts</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> objectAtIndex</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">:</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">j</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">];</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">NSMutableParagraphStyle</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">paragraphStyle </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">[[</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">NSMutableParagraphStyle</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> alloc</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">]</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> init</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">];</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> paragraphStyle</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">lineHeightMultiple </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(128, 0, 0); background-color: transparent;">50.0f</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> paragraphStyle</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">maximumLineHeight </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(128, 0, 0); background-color: transparent;">50.0f</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> paragraphStyle</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">minimumLineHeight </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(128, 0, 0); background-color: transparent;">50.0f</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">NSString</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">*</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(0, 0, 139); background-color: transparent;">string</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> lab</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">text</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">NSDictionary</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">ats </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">@{</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">NSFontAttributeName</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">:</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">[</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">UIFont</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> fontWithName</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">:@</span><span class="str" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(128, 0, 0); background-color: transparent;">"DIN Medium"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> size</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">:</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(128, 0, 0); background-color: transparent;">16.0f</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">],</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">NSParagraphStyleAttributeName</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">:</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> paragraphStyle</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">};</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> lab</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">attributedText </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">[[</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent;">NSAttributedString</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> alloc</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">]</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> initWithString</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">:</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(0, 0, 139); background-color: transparent;">string</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;"> attributes</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">:</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">ats</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent;">];//textview 设置行间距</span></code>
NSMutableParagraphStyle *paragraph = [[NSMutableParagraphStyle alloc] init];
paragraph.alignment = NSTextAlignmentJustified;//设置对齐方式
paragraph.lineBreakMode = NSLineBreakByWordWrapping;
NSAttributedString的初始化方法有
-initWithString:用String初始化,并没有Attributed信息。
-initWithAttributedString:用AttributedString去初始化。
-initWithString:Attributed:用string及attribute的dictionary来初始化。
具体AttributtedString属性的键值对如下:
NSString *const NSFontAttributeName;//值为UIFont,设置字体,默认值为12-point Helvetica(Neue) 。
下面这段代码可以查看ios中可用的字体,具体那些字体长什么样,可以查看字体册工具。
NSArray *familyArray = [UIFont familyNames];
for (id family in familyArray) {
printf(“%s\n”,[family cStringUsingEncoding:NSUTF8StringEncoding]);
NSArray *fontArray = [UIFont fontNamesForFamilyName:family];
for (id font in fontArray) {
printf(” %s\n”,[font cStringUsingEncoding:NSUTF8StringEncoding]);
}
}
NSString *const NSParagraphStyleAttributeName;//值为NSParagraphStyle,设置段落属性,默认值为[NSParagraphStyle defaultParagraphStyle]返回的值。
NSMutableParagraphStyle与NSParagraphStyle包括一下属性
alignment //对齐方式
firstLineHeadIndent //首行缩进
headIndent //缩进
tailIndent //尾部缩进
lineBreakMode //断行方式
maximumLineHeight //最大行高
minimumLineHeight //最低行高
lineSpacing //行距
paragraphSpacing //段距
paragraphSpacingBefore //段首空间
baseWritingDirection //句子方向
lineHeightMultiple //可变行高,乘因数。
hyphenationFactor //连字符属性
NSString *const NSForegroundColorAttributeName;//值为UIColor,字体颜色,默认为黑色。
NSString *const NSBackgroundColorAttributeName;//值为UIColor,字体背景色,默认没有。
NSString *const NSLigatureAttributeName;//值为整型NSNumber,连字属性,一般中文用不到,在英文中可能出现相邻字母连笔的情况。0为不连笔;1为默认连笔,也是默认值;2在ios 上不支持。
NSString *const NSKernAttributeName;//值为浮点数NSNumber,字距属性,默认值为0。
NSString *const NSStrikethroughStyleAttributeName;//值为整型NSNumber,可取值为
enum {
NSUnderlineStyleNone = 0×00,
NSUnderlineStyleSingle = 0×01,
}; 设置删除线。
NSString *const NSUnderlineStyleAttributeName;//同上。设置下划线。
NSString *const NSStrokeColorAttributeName;//值为UIColor,默认值为nil,设置的属性同ForegroundColor。
NSString *const NSStrokeWidthAttributeName;//值为浮点数NSNumber。设置比画的粗细。
NSString *const NSShadowAttributeName;//值为NSShadow,设置比画的阴影,默认值为nil。
NSString *const NSVerticalGlyphFormAttributeName;//值为整型NSNumber,0为水平排版的字,1为垂直排版的字
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