#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:@"(?:<|</|>| )" 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
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
原文:http://www.cnblogs.com/xujiahui/p/6694059.html