ios数字转emoj表情

+(NSString *)convertSimpleUnicodeStr:(NSString *)inputStr{
    
    int  unicodeIntValue= strtoul([inputStr UTF8String],0,16);
    
    UTF32Char inputChar = 128535; // unicodeIntValue ;
    
    inputChar = NSSwapHostIntToLittle(inputChar);
    
    NSString *sendStr = [[NSString alloc] initWithBytes:&inputChar length:4 encoding:NSUTF32LittleEndianStringEncoding];
    
    NSLog(@"%@",sendStr);
    
    return sendStr;
}