NSString 字符串的排序 - NSString 字符串的排序 sortedArrayUsingComparator sortedArrayUsingSelector sortedArrayUsingDescriptors

iOS NSString 与 float 相互转换 一.NSString 转 float NSString *stringFloat = @“120.5”; float fvalue = [stringFloat floatValue]; 二.float 转 NSString float fvalue = 100.5; NSString...

iOS NSString拼接字符串,NSString拼接字符串,NSString stringByAppendingString,NSString stringWithFormat,猿说编程,

iOS NSString截取字符串,NSString截取字符串,iOS截取字符串,ios substringWithRange,iossubstringFromIndex,

iOS NSString 和 bool 相互转换 NSString *str1 = @'YES'; NSString *str2 = @'NO'; //ok NSLog(@'str1 = %d str2 = %d',[str1 boolValue],[str2 boolValue]); BOOL a = YES; BOOL b = NO; NSSt...

iOS NSString插入字符串,NSString插入字符串,NSString stringByReplacingOccurrencesOfString,NSString stringByAppendingString,NSString stringByReplacingCharactersInRange,

iOS NSString查找指定字符串出现的次数,NSString查找指定字符串,NSString查找指定字符串出现的次数,NSString查找字符串出现的次数,NSString查找字符串次数,