iOS十进制切割格式转换

//@"123456789" 转换后 @"123,456,789"

@interface NSString (num)- (NSString *)money;@end@implementation NSString (num)- (NSString *)money{NSNumberFormatter *numFormat = [[NSNumberFormatter alloc] init];[numFormat setNumberStyle:NSNumberFormatterDecimalStyle];NSNumber *num = [NSNumber numberWithDouble:[self doubleValue]];return [numFormat stringFromNumber:num];
}
@end