#include?“base64.h“
#include?


//base64為解碼
std::string?decode_base64（const?std::string?base64?bool?base64url?=?false）
{
	unsigned?int?buf?=?0;
	int?nbits?=?0;
	std::string?tmp;
	tmp.resize（（base64.size（）?*?3）?/?4）;


	int?offset?=?0;
	for?（int?i?=?0;?i?se64.size（）;?++i）?{
		int?ch?=?base64.at（i）;
		int?d;

		if?（ch?>=?‘A‘?&&?ch?<=?‘Z‘）
			d?=?ch?-?‘A‘;
		else?if?（ch?>=?‘a‘?&&?ch?<=?‘z‘）
			d?=?ch?-?‘a‘?+?26;
		else?if?（ch?>=?‘0‘?&&?ch?<=?‘9‘）
			d?=?ch?-?‘0‘?+?52;
		else?if?（ch?==?‘+‘?&&?（base64url）?==?0）
			d?=?62;
		else?if?（ch?==?‘-‘?&&?（base64url）?!=?0）
			d?=?62;
		else?if?（ch?==?‘/‘?&&?（base64url）?==?0）
			d?=?63;
		else?if?（ch?==?‘_‘?&&?（base64url）?!=?0）
			d?=?63;
		else
			d?=?-1;

		if?（d?!=?-1）?{
			buf?=?（buf?<			nbits?+=?6;
			if?（nbits?>=?8）?{
				nbits?-=?8;
				tmp[offset++]?=?buf?>>?nbits;
				buf?&=?（1?<			}
		}
	}

	//tmp.truncate（offset）;
	if?（offset?		tmp.resize（offset）;

	return?tmp;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.????103424??2019-08-06?17:21??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\.suo

?????文件???50184192??2019-08-06?17:21??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\Browse.VC.db

?????文件???40173568??2019-07-30?11:17??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\1780a0f3f91eca58\JSON_VALUE.ipch

?????文件???29949952??2019-08-06?16:56??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\19db4ae07013c8bf\MAIN.ipch

?????文件?????327680??2019-07-29?17:46??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\38551825a4d4afff\MAIN.ipch

?????文件???30212096??2019-07-30?15:00??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\42134937117b6000\base64.ipch

?????文件???30539776??2019-08-06?11:16??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\4ebd9f7ee1e7420b\MAIN1.ipch

?????文件???30670848??2019-07-30?13:38??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\5b2dd92e5a5f7b0d\JSON_VALUE.ipch

?????文件?????327680??2019-07-29?19:49??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\848234aeec07412f\MAIN.ipch

?????文件???43646976??2019-07-30?13:37??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\a72e3a3ccf5b3d04\JSON_WRITER.ipch

?????文件???30212096??2019-07-30?20:36??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\ebd7e67271988613\base64.ipch

?????文件???30212096??2019-08-06?10:27??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\f075e66b31d41e8b\base64.ipch

?????文件???30212096??2019-07-31?09:39??FinanceSdkDemo\.vs\FinanceSdkDemo\v15\ipch\AutoPCH\ff75015a173bfcb7\MAIN.ipch

?????文件?????191111??2019-08-06?16:32??FinanceSdkDemo\FinanceSdkDemo\102

?????文件????????438??2010-03-12?15:31??FinanceSdkDemo\FinanceSdkDemo\autolink.h

?????文件????????980??2019-07-30?18:53??FinanceSdkDemo\FinanceSdkDemo\base64.cpp

?????文件????????334??2019-07-30?20:33??FinanceSdkDemo\FinanceSdkDemo\base64.h

?????文件???????1536??2010-03-12?15:31??FinanceSdkDemo\FinanceSdkDemo\config.h

?????文件??????????5??2019-08-06?16:42??FinanceSdkDemo\FinanceSdkDemo\data.txt

?????文件???????1290??2010-03-12?15:31??FinanceSdkDemo\FinanceSdkDemo\features.h

?????文件??????10095??2019-07-31?14:19??FinanceSdkDemo\FinanceSdkDemo\FinanceSdkDemo.vcxproj

?????文件???????9922??2019-07-31?14:19??FinanceSdkDemo\FinanceSdkDemo\FinanceSdkDemo.vcxproj.filters

?????文件????????165??2019-07-26?13:45??FinanceSdkDemo\FinanceSdkDemo\FinanceSdkDemo.vcxproj.user

?????文件????????735??2010-03-12?15:31??FinanceSdkDemo\FinanceSdkDemo\forwards.h

?????文件????????200??2010-03-12?15:31??FinanceSdkDemo\FinanceSdkDemo\json.h

?????文件???????3929??2017-03-22?17:02??FinanceSdkDemo\FinanceSdkDemo\json_batchallocator.h

?????文件????3778224??2019-07-30?13:32??FinanceSdkDemo\FinanceSdkDemo\json_vc71_libmtd.lib

?????文件?????340992??2019-07-04?20:14??FinanceSdkDemo\FinanceSdkDemo\libcurl.dll

?????文件????2081792??2019-07-04?17:06??FinanceSdkDemo\FinanceSdkDemo\libeay32.dll

?????文件???13599590??2018-06-28?14:05??FinanceSdkDemo\FinanceSdkDemo\libeay32.lib

............此處省略143個文件信息