iOS十进制切割格式转换

@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