// NSFontAttributeName 设置字体属性,默认值:字体:Helvetica(Neue) 字号:12
// NSForegroundColorAttributeNam 设置字体颜色,取值为 UIColor对象,默认值为黑色
// NSBackgroundColorAttributeName 设置字体所在区域背景颜色,取值为 UIColor对象,默认值为nil, 透明色
// NSLigatureAttributeName 设置连体属性,取值为NSNumber 对象(整数),0 表示没有连体字符,1 表示使用默认的连体字符
// NSKernAttributeName 设定字符间距,取值为 NSNumber 对象(整数),正值间距加宽,负值间距变窄
// NSStrikethroughStyleAttributeName 设置删除线,取值为 NSNumber 对象(整数)
// NSStrikethroughColorAttributeName 设置删除线颜色,取值为 UIColor 对象,默认值为黑色
// NSUnderlineStyleAttributeName 设置下划线,取值为 NSNumber 对象(整数),枚举常量 NSUnderlineStyle中的值,与删除线类似
// NSUnderlineColorAttributeName 设置下划线颜色,取值为 UIColor 对象,默认值为黑色
// NSStrokeWidthAttributeName 设置笔画宽度,取值为 NSNumber 对象(整数),负值填充效果,正值中空效果
// NSStrokeColorAttributeName 填充部分颜色,不是字体颜色,取值为 UIColor 对象
// NSShadowAttributeName 设置阴影属性,取值为 NSShadow 对象
// NSTextEffectAttributeName 设置文本特殊效果,取值为 NSString 对象,目前只有图版印刷效果可用:
// NSBaselineOffsetAttributeName 设置基线偏移值,取值为 NSNumber (float),正值上偏,负值下偏
// NSObliquenessAttributeName 设置字形倾斜度,取值为 NSNumber (float),正值右倾,负值左倾
// NSExpansionAttributeName 设置文本横向拉伸属性,取值为 NSNumber (float),正值横向拉伸文本,负值横向压缩文本
// NSWritingDirectionAttributeName 设置文字书写方向,从左向右书写或者从右向左书写
// NSVerticalGlyphFormAttributeName 设置文字排版方向,取值为 NSNumber 对象(整数),0 表示横排文本,1 表示竖排文本
// NSLinkAttributeName 设置链接属性,点击后调用浏览器打开指定URL地址
// NSAttachmentAttributeName 设置文本附件,取值为NSTextAttachment对象,常用于文字图片混排
// NSParagraphStyleAttributeName 设置文本段落排版格式,取值为 NSParagraphStyle 对象
// NSParagraphStyleAttributeName 段落的风格(设置首行,行间距,对齐方式什么的)看自己需要什么属性,写什么
NSMutableParagraphStyle*paragraphStyle = [[NSMutableParagraphStylealloc]init];
paragraphStyle.lineSpacing=10;// 字体的行间距
paragraphStyle.firstLineHeadIndent=20.0f;//首行缩进
paragraphStyle.alignment= NSTextAlignmentJustified;//(两端对齐的)文本对齐方式:(左,中,右,两端对齐,自然)
paragraphStyle.lineBreakMode= NSLineBreakByTruncatingTail;//结尾部分的内容以……方式省略 ( "...wxyz" ,"abcd..." ,"ab...yz")
paragraphStyle.headIndent=20;//整体缩进(首行除外)
paragraphStyle.tailIndent=20;//
paragraphStyle.minimumLineHeight=10;//最低行高
paragraphStyle.maximumLineHeight=20;//最大行高
paragraphStyle.paragraphSpacing=15;//段与段之间的间距
paragraphStyle.paragraphSpacingBefore=22.0f;//段首行空白空间/* Distance between the bottom of the previous paragraph (or the end of its paragraphSpacing, if any)
and the top of this paragraph. */
paragraphStyle.baseWritingDirection= NSWritingDirectionLeftToRight;//从左到右的书写方向(一共➡️三种)
paragraphStyle.lineHeightMultiple=15;/* Natural line height is multiplied by this factor (if positive)
before being constrained by minimum and maximum line height. */
paragraphStyle.hyphenationFactor=1;//连字属性 在iOS,唯一支持的值分别为0和1
_descAtt = [[NSMutableAttributedStringalloc]initWithString:_model.desc];
UIFont*descFont = [UIFontPingFangSC_Regular_WithSize:12];
NSMutableParagraphStyle*descStyle = [[NSMutableParagraphStylealloc]init];
[descStylesetLineSpacing:1];//行间距
CGSize descSize = [_model.descboundingRectWithSize:CGSizeMake(w, MAXFLOAT)
options:NSStringDrawingUsesLineFragmentOrigin
attributes:@{NSFontAttributeName:descFont,
NSParagraphStyleAttributeName :descStyle}
context:nil].size;
#define UILABEL_LINE_SPACE6
#define HEIGHT [ [ UIScreen mainScreen ] bounds ].size.height
//给UILabel设置行间距和字间距
-(void)setLabelSpace:(UILabel*)label withValue:(NSString*)str withFont:(UIFont*)font {
NSMutableParagraphStyle*paraStyle = [[NSMutableParagraphStylealloc]init];
paraStyle.lineBreakMode=NSLineBreakByCharWrapping;
paraStyle.alignment=NSTextAlignmentLeft;
paraStyle.lineSpacing=UILABEL_LINE_SPACE; //设置行间距
paraStyle.hyphenationFactor=1.0;
paraStyle.firstLineHeadIndent=0.0;
paraStyle.paragraphSpacingBefore=0.0;
paraStyle.headIndent=0;
paraStyle.tailIndent=0;
//设置字间距NSKernAttributeName:@1.5f
NSDictionary*dic =@{NSFontAttributeName:font,NSParagraphStyleAttributeName:paraStyle,NSKernAttributeName:@1.5f
};
NSAttributedString*attributeStr = [[NSAttributedStringalloc]initWithString:strattributes:dic];
label.attributedText= attributeStr;
}
//计算UILabel的高度(带有行间距的情况)
-(CGFloat)getSpaceLabelHeight:(NSString*)str withFont:(UIFont*)font withWidth:(CGFloat)width {
NSMutableParagraphStyle*paraStyle = [[NSMutableParagraphStylealloc]init];
paraStyle.lineBreakMode=NSLineBreakByCharWrapping;
paraStyle.alignment=NSTextAlignmentLeft;
paraStyle.lineSpacing=UILABEL_LINE_SPACE;
paraStyle.hyphenationFactor=1.0;
paraStyle.firstLineHeadIndent=0.0;
paraStyle.paragraphSpacingBefore=0.0;
paraStyle.headIndent=0;
paraStyle.tailIndent=0;
NSDictionary*dic =@{NSFontAttributeName:font,NSParagraphStyleAttributeName:paraStyle,NSKernAttributeName:@1.5f
};
CGSizesize = [strboundingRectWithSize:CGSizeMake(width,HEIGHT)options:NSStringDrawingUsesLineFragmentOriginattributes:diccontext:nil].size;
returnsize.height;
}