label自适应和字体行间距字间距的设置

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label⾃适应和字体⾏间距字间距的设置

#import <Foundation/Foundation.h>

@interface LabelLayout : NSObject

/// label设置⾏间距参数1：内容参数2：label 参数3：⾏间距参数4：字间距参数5：字⼤⼩参数6：label的宽度

+(CGSize)AdaptiveLabelText:(NSString *)str andLabel:(UILabel *)label andLineSpac:(CGFloat )lineSoac andFontSpac:(NSNumber *)fontSpac andFontSize:(CGFloat )fontSize andWidth:(CGFloat )labelWidth;

/// 设置不同的字体⼤⼩参数1：开始位置参数2：结束位置参数3：设置的内容

+(NSAttributedString *)setDifferFontSzie2:(NSInteger )len1 andEndIndex:(NSInteger )len2 andString:(NSString *)str andFontSize:(float )size;

///设置button宽度⾃适应参数1：字体⼤⼩参数2：要显⽰的内容

+(CGFloat)buttonWidth:(CGFloat )fontSize andStr:(NSString *)str;

///设置label宽度⾃适应参数1：要显⽰的内容参数2：字体⼤⼩

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+(CGFloat)LabelWithStr:(NSString *)str andFont:(CGFloat )foutSize;

/// 设置不同的字体颜⾊参数1：开始位置参数2：结束位置参数3：设置的内容参数4：设置的颜⾊

+(NSAttributedString *)setDifferFontColor:(NSInteger )len1 andEndIndex:(NSInteger )len2 andString:(NSString *)str andColor:(UIColor *)color;

@end

// LabelLayout.m

生态系统的稳定性// VaolonUser

// Created by sky on 16/4/9.

// 关于label⼀些属性的公共⽅法

#import "LabelLayout.h"

#import "WidthHeight.pch"

@implementation LabelLayout

+(CGSize)AdaptiveLabelText:(NSString *)str andLabel:(UILabel *)label andLineSpac:(CGFloat )lineSoac andFontSpac:(NSNumber *)fontSpac andFontSize:(CGFloat )fontSize andWidth:(CGFloat )labelWidth{

label.numberOfLines=0;

NSMutableParagraphStyle *paraStyle = [[NSMutableParagraphStyle alloc] init];

paraStyle.lineBreakMode = NSLineBreakByWordWrapping;

paraStyle.alignment = NSTextAlignmentNatural;

paraStyle.lineSpacing = lineSoac;

paraStyle.hyphenationFactor = 1.0;

paraStyle.firstLineHeadIndent = 0.0;

paraStyle.paragraphSpacingBefore = 0.0;

paraStyle.headIndent = 0;

paraStyle.tailIndent = 0;

NSDictionary *dic = @{NSFontAttributeName:[UIFont fontWithName:@"Arial" size:fontSize*mu], NSParagraphStyleAttributeName:paraStyle, NSKernAttributeName:fontSpac};

NSAttributedString *attributeStr;

if (str) {可比非受控价格法

attributeStr = [[NSAttributedString alloc] initWithString:str attributes:dic];

}else{

attributeStr = [[NSAttributedString alloc] initWithString:@"" attributes:dic];

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}

label.attributedText = attributeStr;

return [str boundingRectWithSize:CGSizeMake(labelWidth, 9999999) options:NSStringDrawingUsesLineFragmentOrigin attributes:dic context:nil].size;

}

+(void)setLabel:(UILabel *)label andFout:(CGFloat )foutSize andFoutColor:(UIColor *)color{

label.font=[UIFont fontWithName:@"Arial" size:foutSize*mu];

}

#pragma mark - 设置不同的字体⼤⼩

+(NSAttributedString *)setDifferFontSzie:(NSInteger )len1 andEndIndex:(NSInteger )len2 andString:(NSString *)str{

NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:str];

[text addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Arial" size:14*mu] range:NSMakeRange(len1, len2)];

return text;

}

+(NSAttributedString *)setDifferFontSzie2:(NSInteger )len1 andEndIndex:(NSInteger )len2 andString:(NSString *)str andFontSize:(float

)size{

NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:str];蒋春暄

[text addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Arial" size:size*mu] range:NSMakeRange(len1, len2)];

return text;

}

#pragma mark - 设置不同的字体⼤⼩

+(NSAttributedString *)setDifferFontColor:(NSInteger )len1 andEndIndex:(NSInteger )len2 andString:(NSString *)str andColor:(UIColor *)color{

NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:str];

// [text addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Arial" size:14*mu] range:NSMakeRange(len1, len2)];

[text addAttribute:NSForegroundColorAttributeName value:color range:NSMakeRange(len1, len2)];

return text;

}

#pragma mark - button⾃适应宽度

+(CGFloat)buttonWidth:(CGFloat )fontSize andStr:(NSString *)str{

NSDictionary *attributes = @{NSFontAttributeName:[UIFont systemFontOfSize:fontSize]};

CGFloat length = [str boundingRectWithSize:CGSizeMake(320, 2000) options:NSStringDrawingUsesLineFragmentOrigin attributes:attributes context:nil].size.width+5;

return length;

}

#pragma mark - label⾃适应宽度

+(CGFloat)LabelWithStr:(NSString *)str andFont:(CGFloat )foutSize{

CGRect rect = [str boundingRectWithSize:CGSizeMake(0, 10000.0) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:foutSize*mu]} context:nil];

return rect.size.width;

}

@end

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