这个COM用到了一个VC的资源文件。就是字典。 大家可以去61.134.75.70/download/gb2big5.zip下载
原代码如下:
´////////////////////////////////////////// ´中文名称:GB与BIG5内码互换控件 ´英文名称:GB2BIG5 ´作者:Blood ´版本:1.0 ´制作时间:2002.3.5 ´版权所有 Blood 2002 - 2003 ´//////////////////////////////////////////
Option Explicit
´定义变量 Dim BIG5Data As Variant Dim GBData As Variant
´定义自定义类型,用来处理编码的高低字问题 Type ChineseTypeA loChar As Byte hiChar As Byte End Type
Private BIG5Type(&HA1 To &HFF, &H40 To &HFE) As ChineseTypeA ´对应于BIG5字库 Private GBType(&HA7 To &HFF, &HA1 To &HFE) As ChineseTypeA ´对应与GB字库
´////////////////// ´公共函数开始 ´//////////////////
´BIG5转换到GB的函数 Function BIG5TOGB(strSource As String) As String Dim I As Long, Y As Long ´定义数组,用来存放BIG5和GB内码数据 Dim bteBIG5() As Byte Dim bteGB() As Byte ´如果输入的内容为空,则退出函数 If strSource = "" Then BIG5TOGB = "" Exit Function End If ´将BIG5数组的类型从Unicode编码转换为系统缺省码 bteBIG5 = StrConv(strSource, vbFromUnicode) ´确定BIG5数组的下标,用来循环将所有的BIG5内容转换为GB内码 Y = UBound(bteBIG5) ReDim bteGB(0 To Y) For I = 0 To Y If I = Y Then bteGB(I) = bteBIG5(I) Exit For End If If bteBIG5(I) < &HA1 Or bteBIG5(I + 1) < &H40 Then bteGB(I) = bteBIG5(I) Else bteGB(I) = BIG5Type(bteBIG5(I), bteBIG5(I + 1)).loChar bteGB(I + 1) = BIG5Type(bteBIG5(I), bteBIG5(I + 1)).hiChar I = I + 1 End If Next I ´将系统缺省码转换为Unicode编码 BIG5TOGB = StrConv(bteGB, vbUnicode) ´重新初始化GB数组,以释放内存 Erase bteGB End Function
´GB转换到BIG5的函数
Function GBTOBIG5(strSource As String) As String Dim I As Long, Y As Long ´定义数组,用来存放BIG5和GB内码数据 Dim bteGB() As Byte Dim bteBIG5() As Byte ´如果输入的内容为空,则退出函数 If strSource = "" Then GBTOBIG5 = "" Exit Function End If ´将GB数组的类型从Unicode编码转换为系统缺省码 bteGB = StrConv(strSource, vbFromUnicode) ´确定GB数组的下标,用来循环将所有的BIG5内容转换为GB内码 Y = UBound(bteGB) ReDim bteBIG5(0 To Y) For I = 0 To Y If I = Y Then bteBIG5(I) = bteGB(I) Exit For End If If bteGB(I) < &HA1 Or bteGB(I + 1) < &HA1 Then bteBIG5(I) = bteGB(I) Else If bteGB(I) < &HB0 And bteGB(I + 1) >= &HA1 Then bteBIG5(I) = GBType(bteGB(I) + 6, bteGB(I + 1)).loChar bteBIG5(I + 1) = GBType(bteGB(I) + 6, bteGB(I + 1)).hiChar Else bteBIG5(I) = GBType(bteGB(I), bteGB(I + 1)).loChar bteBIG5(I + 1) = GBType(bteGB(I), bteGB(I + 1)).hiChar End If I = I + 1 End If Next I ´将系统缺省码转换为Unicode编码 GBTOBIG5 = StrConv(bteBIG5, vbUnicode) ´重新初始化BIG5数组,以释放内存 Erase bteBIG5 End Function
´////////////////// ´公共函数结束 ´//////////////////
´类初始化 Private Sub Class_Initialize() Dim I As Long Dim J As Long Dim iLen As Long ´从资源文件中读取GB与BIG5的字库 GBData = LoadResData(102, "CUSTOM") ´//读取GB字库 BIG5Data = LoadResData(101, "CUSTOM") ´//读取BIG5字库 For I = &HA1 To &HFE For J = &H40 To &HFE BIG5Type(I, J).loChar = BIG5Data(iLen) BIG5Type(I, J).hiChar = BIG5Data(iLen + 1) iLen = iLen + 2 Next J Next I iLen = 0 For I = &HA7 To &HFE For J = &HA1 To &HFE GBType(I, J).loChar = GBData(iLen) GBType(I, J).hiChar = GBData(iLen + 1) iLen = iLen + 2 Next J Next I End Sub
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