NSString 和NSData 转换

NSString 转换成NSData 对象 

NSData* xmlData =[@"testdata" dataUsingEncoding:NSUTF8StringEncoding];

NSData 转换成NSString对象 

NSData* data;NSString*result =[[NSString alloc] initWithData:data  encoding:NSUTF8StringEncoding];

NSData 转换成char* 

NSData*data;char*test=[data bytes];

char* 转换成NSData对象 

byte* tempData = malloc(sizeof(byte)*16);NSData*content=[NSData dataWithBytes:tempData length:16];

转载于:https://www.cnblogs.com/zhangyuqing/p/3548645.html

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