1、引入

 

在文件导入

#import <CoreText/CoreText.h>

2、程序

   

NSMutableAttributedString *attributedString =[[NSMutableAttributedString alloc]initWithString:@"你的字符串"];    long number = 5.0f;//间距    CFNumberRef num = CFNumberCreate(kCFAllocatorDefault,kCFNumberSInt8Type,&number);    [attributedString addAttribute:(id)kCTKernAttributeName value:(__bridge id)num range:NSMakeRange(0,[attributedString length])];    CFRelease(num);     [ColumnIntroduce setAttributedText:attributedString];