金额格式化

@interface NSString (RMB)

- (NSString *)RMBFormatString;

@end

#import "NSString+RMB.h"

@implementation NSString (RMB)

- (NSString *)RMBFormatString {
    NSString *number = self;
    if ([number doubleValue] > 0) {
        number = [NSString stringWithFormat:@"%.2f",[number doubleValue]];
        NSNumberFormatter *numFormatter = [[NSNumberFormatter alloc]init];
        numFormatter.numberStyle = NSNumberFormatterDecimalStyle;

        NSNumber *num = [NSNumber numberWithDouble:[number doubleValue]];
        NSString *str = [NSString stringWithFormat:@"%@",[numFormatter stringFromNumber:num]];
        if ([str rangeOfString:@"."].length > 0) {
            NSString *floatStr = [str componentsSeparatedByString:@"."][1];
            if (floatStr.length == 1) {
                str = [NSString stringWithFormat:@"%@0",str];
            } else{
                str = [str substringToIndex:([str rangeOfString:@"."].location + 3)];
            }
            return [NSString stringWithFormat:@"￥%@",str];
        } else{
            return [NSString stringWithFormat:@"￥%@.00",str];
        }
    } else {
        return @"￥0.00";
    }
}
@end