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vb.net汉字区位码,汉字区位码代码

vb 判断汉字

1、方法1

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VB6中提供了LenB函数用于字符串中的字节数据。如同在双字节字符集语言中一样,LenB返回的是用于代表字符串的字节数,而不是返回字符串中字符的数量。如为用户自定义类型,LenB返回在内存中的大小。

LenB)

对要处理的字符串Str1,必须先使用StrConv函数把ANSI格式的Byte数组转换为字符串,否则直接使用LenB函数得到的结果比实际结果大。

2、方法2

这里自定义了一个子函数CLen来计算汉字字符串的实际长度。同时还能判定字符串中汉字的实际个数。

Function

CLen

as

Integer

Static

HzNum

as

Integer

L

=

len

For

n=1

to

L

If

Asc)<0

Then

HzNum

=

HzNum

+

1

Next

n

Clen

=

L

+

HzNum

End

Function

CLen函数中的静态变量HzNum返回字符串中实际汉字的数目。

gb2312>unicode>utf8, 以及逆转的方法'>VB.net 字符转换问题 字符(汉字、数字、字母、符号)>gb2312>unicode>utf8, 以及逆转的方法

字符编码转换吗?

1.字符与gb2312(gbk的子集):

Public Function GBKEncode(ByVal sInput As String) As String

Dim ret_GBKEncode As String = ""

Dim i As Integer

Dim startIndex As Integer = 0

Dim endIndex As Integer

Dim x() As Byte = System.Text.Encoding.Default.GetBytes(sInput) '字符以及字符串在vb2008中都是以unicode编码存储的

endIndex = x.Length - 1

For i = startIndex To endIndex

ret_GBKEncode = "%" Hex(x(i))

Next

Return ret_GBKEncode

End Function

'GBK解码

Public Function GBKDecode(ByVal sInput As String) As String

sInput = sInput.Replace("%", "")

Dim ret_GBKDecode As String = ""

Dim sLen As Integer = sInput.Length

Dim n As Integer = sLen \ 2

Dim sBytes(0 To n - 1) As Byte

'转化为字节码

For i As Integer = 1 To n

sBytes(i - 1) = CByte("H" sInput.Substring(2 * i - 2, 2))

Next

'将字节码转化为字符串

ret_GBKDecode = System.Text.Encoding.Default.GetString(sBytes)

Return ret_GBKDecode

End Function

2.Unicode字符串为UTF-8

Imports System.Text

Public Function StringAsUtf8Bytes(ByVal strData As String) As Byte()

Dim bytes() As Byte

bytes = Encoding.UTF8.GetBytes(strData)

Return bytes

End Function

'这里可以类推出好几种。

vb.net怎么把汉字转换为GB2312编码,例如“广东”变成%B9%E3%B6%AB

GB2312是GBK编码的子集,使用GBK编码函数即可

'GBK编码(结果以百分号%进行分隔)

Public Function GBKEncode(ByVal sInput As String) As String

Dim ret_GBKEncode As String = ""

Dim i As Integer

Dim startIndex As Integer = 0

Dim endIndex As Integer

Dim x() As Byte = System.Text.Encoding.Default.GetBytes(sInput) '字符以及字符串在vb2008中都是以unicode编码存储的

endIndex = x.Length - 1

For i = startIndex To endIndex

ret_GBKEncode = "%" Hex(x(i))

Next

Return ret_GBKEncode

End Function

'GBK解码

Public Function GBKDecode(ByVal sInput As String) As String

sInput = sInput.Replace("%", "")

Dim ret_GBKDecode As String = ""

Dim sLen As Integer = sInput.Length

Dim n As Integer = sLen \ 2

Dim sBytes(0 To n - 1) As Byte

'转化为字节码

For i As Integer = 1 To n

sBytes(i - 1) = CByte("H" sInput.Substring(2 * i - 2, 2))

Next

'将字节码转化为字符串

ret_GBKDecode = System.Text.Encoding.Default.GetString(sBytes)

Return ret_GBKDecode

End Function

请教大家,vb.net 怎样将汉字转换成拼音简吗

public string hz2py(string hz) //获得汉字的区位码

{

byte[] sarr = System.Text.Encoding.Default.GetBytes(hz);

int len = sarr.Length;

if (len1)

{

byte[] array = new byte[2];

array = System.Text.Encoding.Default.GetBytes(hz);

int i1 = (short)(array[0] - '\0');

int i2 = (short)(array[1] - '\0');

//unicode解码方式下的汉字码

// array = System.Text.Encoding.Unicode.GetBytes(hz);

// int i1 = (short)(array[0] - '\0');

// int i2 = (short)(array[1] - '\0');

// int t1 = Convert.ToInt32(i1,16);

// int t2 = Convert.ToInt32(i2,16);

vb与vb.net得到汉字ASC的函数,该怎么解决

一样的还是使用asc函数就好了啊!,n=ASC(“汉”),不过汉字的asc码都是小于0的


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