我收到了来自服务器的一些字节的数据,如下面的方法如何字节数组转换来的NSString或NSMutableArray的
- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
{
\//04 01 00
NSString *string = [
[NSString alloc]
initWithData:data
encoding:NSASCIIStringEncoding
];
NSLog(string);
char *ptr = (void *)[data bytes]; // set a pointer to the beginning of your data bytes
if(*ptr == 0x06) {
NSLog(@"okay,.. got a 0x06");
}
ptr++; // go to the next byte
if(*ptr == 0x05) {
NSLog(@"okay,.. got a 0x05");
}
ptr++;
if(*ptr==0X00){
NSLog(@"okay,.. got a 0X00");
}
//04 01 00
NSString* newStr = [[NSString alloc] initWithData:data
encoding:NSASCIIStringEncoding];
///////////////////
///////////////////
NSLog(@"I received some thing , now trying to read it");
UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"Data Received" message:newStr delegate:nil cancelButtonTitle:@"ok" otherButtonTitles:nil];
[alert show];
[alert release];
[sock readDataWithTimeout:-1 tag:0];
//NSLog(@"Reading %@",newStr);
}
我可以比较的六值,但无法看到定义UIAlertView因为我认为我无法正确转换,所以请帮助如何转换成NSString和NSMutableArray,以便我可以动态使用它
你期望的UIAlertView中显示?数据的十六进制表示? – 2012-04-22 16:01:29
是的,我也无法看到使用NSLog的数据,我通过硬编码比较数据,我想比较如数组 – Ali 2012-04-22 16:39:46
如果你想看到原始二进制数据的十六进制表示,你需要明确转换它,如[如何将NSData转换为NSString十六进制字符串?](http://stackoverflow.com/questions/7520615/how-to-convert-an-nsdata-into-an-nsstring-hex-string ) – 2012-04-22 16:43:51