IOS Hex and String Conversion

 
 

  
  
NSString * dictString = [dict JSONFragment]; // combined.
 
 

Use this...

 
 

  
  
DictString = {"content": "Sadgfdfg", "phoneno": "", "email": "1049055935@qq.com" }==
  
  
 
  
  
// Convert the hexadecimal format to a normal string.
  
  
+ (NSString *) stringFromHexString :( NSString *) hexString {//
  
  
 
  
  
Char * myBuffer = (char *) malloc (int) [hexString length]/2 + 1 );
  
  
Bzero (myBuffer, [hexString length]/2 + 1 );
  
  
For (int I = 0; I <[hexString length]-1; I ++ = 2 ){
  
  
Unsigned int anInt;
  
  
NSString * hexCharStr = [hexString substringWithRange: NSMakeRange (I, 2)];
  
  
NSScanner * Records = [[[NSScanner alloc] initWithString: hexCharStr] autorelease];
  
  
[Export scanHexInt: & anInt];
  
  
MyBuffer [I/2] = (char) anInt;
  
  
}
  
  
NSString * unicodeString = [NSString stringWithCString: myBuffer encoding: 4];
  
  
NSLog (@ "------ string =======%@", unicodeString );
  
  
Return unicodeString;
  
  
 
  
  
 
  
  
}
  
  
 
  
  
// Convert a normal string to a hexadecimal string.
  
  
 
  
  
+ (NSString *) hexStringFromString :( NSString *) string {
  
  
NSData * myD = [string dataUsingEncoding: NSUTF8StringEncoding];
  
  
Byte * bytes = (Byte *) [myD bytes];
  
  
// The following is a hexadecimal Byte conversion.
  
  
NSString * hexStr = @"";
  
  
For (int I = 0; I <[myD length]; I ++)
  
  
 
  
  
{
  
  
NSString * newHexStr = [NSString stringWithFormat: @ "% x", bytes [I] & 0xff]; // hexadecimal number
  
  
 
  
  
If ([newHexStr length] = 1)
  
  
 
  
  
HexStr = [NSString stringWithFormat: @ "% @ 0% @", hexStr, newHexStr];
  
  
 
  
  
Else
  
  
 
  
  
HexStr = [NSString stringWithFormat: @ "% @", hexStr, newHexStr];
  
  
}
  
  
Return hexStr;
  
  
}