C#字符串与二进制相互转换

1

C#中 二进制与字符串

01

///
<summary>

02

///
将 字符串 转成 二进制 “10011100000000011100011111111101”

03

///
</summary>

04

///
<param name="s"></param>

05

///
<returns></returns>

06

public

static

string

Encode(

string

s)

07

{

08

byte

[]
data = Encoding.Unicode.GetBytes(s);

09

StringBuilder
result =

new

StringBuilder(data.Length
* 8);

10

11

foreach

(

byte

b

in

data)

12

{

13

result.Append(Convert.ToString(b,
2).PadLeft(8,

'0'

));

14

}

15

return

result.ToString();

16

}

17

///
<summary>

18

///
将二进制 “10011100000000011100011111111101” 转成 字符串

19

///
</summary>

20

///
<param name="s"></param>

21

///
<returns></returns>

22

public

static

string

Decode(

string

s)

23

{

24

System.Text.RegularExpressions.CaptureCollection
cs =

25

System.Text.RegularExpressions.Regex.Match(s,

@"([01]{8})+"

).Groups[1].Captures;

26

byte

[]
data =

new

byte

[cs.Count];

27

for

(

int

i
= 0; i < cs.Count; i++)

28

{

29

data[i]
= Convert.ToByte(cs[i].Value, 2);

30

}

31

return

Encoding.Unicode.GetString(data,
0, data.Length);

32

}