zoukankan      html  css  js  c++  java
  • iOS NSString 文本不同的颜色 标题+文本字体大小 行间距/删除不需要的字符 /以及自适应高度

    #import <Foundation/Foundation.h>
    
    @interface TextsForRow : NSObject
    
    @property(nonatomic,copy)NSString * string;
    
    
    /**
     文本包含: 标题+内容。 使用前设置内容的颜色
     作用:标题颜色 标题+文本字体大小 行间距(10)删除不需要的字符  以及自适应高度
    
    
     @param stringTitle title文本
     @param colorTitle title颜色
     @param stringText 内容text
     @return 返回数组3个。 1 返回的 NSMutableAttributedString * strAttebute;;2返回的 宽度0.2f的string,使用时转化 3:高度
     */
    +(NSArray *)TextsForRowWithStringTitle:(NSString*)stringTitle ColorWith:(UIColor*)colorTitle textWithStringText:(NSString*)stringText;
    @end
    #import "TextsForRow.h"
    
    @implementation TextsForRow
    
    +(NSArray *)TextsForRowWithStringTitle:(NSString*)stringTitle ColorWith:(UIColor*)colorTitle textWithStringText:(NSString*)stringText{
        
        //title+text
        NSString * str1 =[NSString stringWithFormat:@"%@%@",stringTitle,stringText];
        
        //删除不需要的个别字符
        NSString * str = [str1  stringByReplacingOccurrencesOfString:@"<DIV>" withString:@""];
        str = [str stringByReplacingOccurrencesOfString:@"</DIV>" withString:@""];
        str = [str stringByReplacingOccurrencesOfString:@"<BR>" withString:@""];
        str = [str stringByReplacingOccurrencesOfString:@"</BR>" withString:@""];
        
        //删除讨厌的字符
        NSRegularExpression * regu2 =[NSRegularExpression regularExpressionWithPattern:@"(?:<|</|>|&nbsp;)" options:NSRegularExpressionCaseInsensitive error:nil];
        NSString *string3 = [regu2 stringByReplacingMatchesInString:str options:NSMatchingReportProgress range:NSMakeRange(0, str.length) withTemplate:@""];
        
        //去掉左右两边的空格
        NSString * kongge = [string3 stringByReplacingOccurrencesOfString:@" " withString:@""];
    
        //去掉左右两边的空格
        NSString * string = [kongge stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
        
        
        NSMutableAttributedString * strAttebute = [[NSMutableAttributedString alloc] initWithString:string ];
        //设置title颜色
        [strAttebute addAttribute:NSForegroundColorAttributeName value:colorTitle range:NSMakeRange(0, stringTitle.length)]
        ;
        //行间距
        NSMutableParagraphStyle * paragraphStyle = [[NSMutableParagraphStyle alloc]init];
        [paragraphStyle setLineSpacing:IPHONEHIGHT(10)];
        [strAttebute addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, string.length)];
        
        //自定义大小
        CGSize contentSize = [string  boundingRectWithSize:CGSizeMake(ScreenWidth-IPHONEWIDTH(56),MAXFLOAT ) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:IPHONEWIDTH(30)]} context:NULL].size;
        
        CGFloat height = contentSize.height;
    
        //进行返回
        NSArray * array =@[strAttebute,[NSString stringWithFormat:@"%0.2f",contentSize.width],[NSString stringWithFormat:@"%0.2f",height]];
        
        return array;
    
    }
    
    
    
    @end
  • 相关阅读:
    Vector用法。
    error LNK2001的解决方法
    指针(详解)
    xxx cannot be resolved to a type
    springmvc写了方法无法访问
    java lombok包在maven已经配置,但是注解没用
    系统提供的相关intent
    Activity小结
    BrocastReceiver入门
    AppWidget入门
  • 原文地址:https://www.cnblogs.com/xujiahui/p/6694059.html
Copyright © 2011-2022 走看看