//
|
// NSString+HexToBytes.m
|
// GoldRich
|
//
|
// Created by WindShan on 2017/3/9.
|
// Copyright © 2017年 WindShan. All rights reserved.
|
//
|
|
#import "NSString+HexToBytes.h"
|
|
|
|
@implementation NSString (HexToBytes)
|
|
-(NSData*) hexToBytes
|
{
|
NSMutableData* data = [NSMutableData data];
|
int idx;
|
for (idx = 0; idx+2 <= self.length; idx+=2)
|
{
|
NSRange range = NSMakeRange(idx, 2);
|
NSString* hexStr = [self substringWithRange:range];
|
NSScanner* scanner = [NSScanner scannerWithString:hexStr];
|
unsigned int intValue;
|
[scanner scanHexInt:&intValue];
|
[data appendBytes:&intValue length:1];
|
}
|
return data;
|
}
|
@end
|
