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二进制字符串转换成中文字符串

 
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//Value:二进制字符串如:11000111

Function ConvertBinToStr(Value : ansistring):ansistring; //把二进制数据转化为字符串
Var
tempHex : ansistring;
i, tempInt : integer;
begin
Result := '';
if trim(Value) = '' then Exit;
tempHex := BinToHexEachOther(Value,true);//二进制转成十六进制
i := 0;
Repeat
begin
i := i + 1;
tempInt := HexCharToInt(tempHex[i]);
i := i + 1;
tempInt := tempInt * 16 + HexCharToInt(tempHex[i]);
//以上将两位十六进制数转变为一个十进制数
Result := Result + AnsiChar(TempInt); //转成ASCII码
end;
Until i >= length(tempHex)
end;

//把二进制串转换成十六进制串或相反
function BinToHexEachOther(ValueA : string; Action : Boolean) : string;
var
ValueArray1 : Array [0..15] of string[4];
ValueArray2 : Array [0..15] of char;
i : shortint;
begin
//数组初始化
ValueArray1[0] := '0000'; ValueArray1[1] := '0001'; ValueArray1[2] := '0010';
ValueArray1[3] := '0011'; ValueArray1[4] := '0100'; ValueArray1[5] := '0101';
ValueArray1[6] := '0110'; ValueArray1[7] := '0111'; ValueArray1[8] := '1000';
ValueArray1[9] := '1001'; ValueArray1[10] := '1010'; ValueArray1[11] := '1011';
ValueArray1[12] := '1100'; ValueArray1[13] := '1101'; ValueArray1[14] := '1110';
ValueArray1[15] := '1111';
for i := 0 to 15 do
if i >= 10 then ValueArray2[i] := chr(65 + (i - 10))
else ValueArray2[i] := inttostr(i)[1];

Result := '';
if Action then
begin //二进制串转换成十六进制串
if (Length(ValueA) MOD 4 <> 0) then
ValueA := stringofchar('0',Length(ValueA) MOD 4) + ValueA;
while (Length(ValueA) >= 4) do
begin
for i := 0 to 15 do
if Copy(ValueA,1,4) = ValueArray1[i] then
Result := Result + ValueArray2[i];
ValueA := Copy(ValueA,5,Length(ValueA) - 4);
end;
end
else begin //十六进制串转换成二进制串
while (Length(ValueA) >= 1) do
begin
for i := 0 to 15 do
if Copy(ValueA,1,1) = ValueArray2[i] then
Result := Result + ValueArray1[i];
ValueA := Copy(ValueA,2,Length(ValueA) - 1);
end;
end;
end;

//十六进制字符转换成整数

function HexCharToInt(HexToken : ansichar):Integer;
begin
Result:=0;
if (HexToken>#47) and (HexToken<#58) then { chars 0....9 }
Result:=Ord(HexToken)-48
else
if (HexToken>#64) and (HexToken<#71) then { chars A....F }
Result:=Ord(HexToken)-65 + 10;
end;

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