如何将字节数组转换为NSString [英] How to convert byte array to NSString
本文介绍了如何将字节数组转换为NSString的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在从TCP / IP流读取数据,并从预先存在的服务器成功接收字节数组。我现在试图找到一种方法将该数组转换为 NSString
。我发现了几个例子,但我很难得到我想要的结果。
I am reading data from a TCP/IP stream and am successfully receiving a byte array from the pre-existing server. I am now trying to find a way to convert that array to an NSString
. I have found several examples, but am having a hard time getting my desired results.
NSData *data=[[NSMutableData alloc] init];
uint8_t buffer[1024];
unsigned int len=0;
len=[(NSInputStream *)stream read:buffer maxLength:1024];
if(len>0){
[data appendBytes:&buffer length:len];
//BYTE ARRAY OBTAINED OK!!
///////////////////////////////////////////////////////
//METHOD #1 - Yields 'nil'
NSString *string = [[NSString alloc] initWithData:data
encoding:NSUTF8StringEncoding];
///////////////////////////////////////////////////////
//METHOD #2 - Log prints OK, but messageString says
//'invalid' in debugger, and get warnings all over the
//place. I know this is wrong, but it semi-works :)
size_t length=[data length];
unsigned char aBuffer[length];
[data getBytes:aBuffer length:length];
aBuffer[length - 1]=0;
NSString *messageString =aBuffer;
NSLog (@"%s",messageString);
///////////////////////////////////////////////////////
}else{
NSLog(@"No Buffer");
}
请帮助!非常感谢。
推荐答案
我得到了答案。
我不得不改变这个:
NSString *string = [[NSString alloc] initWithData:data
encoding:NSUTF8StringEncoding];
到此:
NSString *string = [[NSString alloc] initWithData:data
encoding:NSASCIIStringEncoding];
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