Delphi实现js中的escape，编码和unescape

相关资料：

http://www.it588.cn/softdev/2019-05-06/603.html

方法一：

引入单元：

uses

ActiveX,

ComObj;

实例调用：

//javascript中的escape()函数的delphi实现

function Escape(s: string): string;

var

sc: OleVariant;

begin

ActiveX.CoInitialize(nil);

try

sc := CreateOleObject('MSScriptControl.ScriptControl.1');

sc.Language := 'javascript';

Result := sc.Eval('escape(''' + s + ''')');

except

Result := '';

end;

ActiveX.CoUninitialize;

end;

//javascript中的unescape()函数的delphi实现

function UnEscape(s: string): string;

var

sc: OleVariant;

begin

ActiveX.CoInitialize(nil);

try

sc := CreateOleObject('MSScriptControl.ScriptControl.1');

sc.Language := 'javascript';

s := StringReplace(s, '/u', '%u', [rfReplaceAll, rfIgnoreCase]); //'\u' 一些格式转换,根据自己需要处理

Result := sc.Eval('unescape(''' + s + ''')');

except

end;

ActiveX.CoUninitialize;

end;

方法二：

相关资料：

https://blog.csdn.net/cc001100/article/details/81015182

http://www.delphitop.com/html/zifuchuan/4728.html

http://www.tansoo.cn/?p=736

 1 function AnsiToUnicode(Str: ansistring): string;
 2 var
 3   s: ansistring;
 4   i: integer;
 5   j, k: string[2];
 6   a: array [1..1000] of ansichar;
 7 begin
 8   s := '';
 9   StringToWideChar(Str, @(a[1]), 500);
10   i := 1;
11   while ((a[i] <> #0) or (a[i+1] <> #0)) do
12   begin
13     j := IntToHex(Integer(a[i]), 2);
14     k := IntToHex(Integer(a[i+1]), 2);
15     s := s + '\u'+ k + j;
16     i := i + 2;
17   end;
18   Result := s;
19 end;
20 
21 function UnicodeToAnsi(aSubUnicode: string): string;
22 var
23   tmpLen, iCount: Integer;
24   tmpWS: WideString;
25 begin
26   tmpWS := '';
27   iCount := 1;
28   tmpLen := Length(aSubUnicode);
29   while iCount <= tmpLen do
30     try
31       if (Copy(aSubUnicode, iCount, 1) = '\')
32         and (Copy(aSubUnicode, iCount, 2) = '\u') then
33       begin
34         tmpWS := tmpWS
35           + WideChar(StrToInt('$' + Copy(aSubUnicode, iCount + 2, 4)));
36         iCount := iCount + 6;
37       end
38       else
39       begin
40         tmpWS := tmpWS + Copy(aSubUnicode, iCount, 1);
41         iCount := iCount + 1;
42       end;
43     except
44     end;
45   Result := tmpWS;
46 end;