[英]How do I convert an int to two bytes in C#?
如何在C#中将int转换为两个字节?
Assuming you just want the low bytes: 假设你只想要低字节:
byte b0 = (byte)i,
b1 = (byte)(i>>8);
However, since 'int' is 'Int32' that leaves 2 more bytes uncaptured. 但是,因为'int'是'Int32',所以剩下2个字节未被捕获。
You can use BitConverter.GetBytes to get the bytes comprising an Int32. 您可以使用BitConverter.GetBytes来获取包含Int32的字节。 There will be 4 bytes in the result, however, not 2.
结果中将有4个字节,但不是2。
Another way to do it, although not as slick as other methods: 另一种方法,虽然不像其他方法那样光滑:
Int32 i = 38633;
byte b0 = (byte)(i % 256);
byte b1 = (byte)(i / 256);
Is it an int16? 是int16吗?
Int16 i = 7;
byte[] ba = BitConverter.GetBytes(i);
This will only have two bytes in it. 这只有两个字节。
Option 1: 选项1:
byte[] buffer = BitConverter.GetBytes(number);
Option 2: 选项2:
byte[] buffer = new byte[2];
buffer[0] = (byte) number;
buffer[1] = (byte)(number >> 8);
I prefer option 1! 我更喜欢选项1!
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