源码搜藏网

     从网上下载你所需要的字体。格式为.ttf的

     比如“华文中宋.ttf”

NSArray *familyNames = [UIFont familyNames];  
    for( NSString *familyName in familyNames ){  
        printf( "Family: %s \n", [familyName UTF8String] );  
        NSArray *fontNames = [UIFont fontNamesForFamilyName:familyName];  
        for( NSString *fontName in fontNames ){  
            printf( "\tFont: %s \n", [fontName UTF8String] );  
        }  
    }