UTF8编码转换为汉字

#include <stdio.h>

#include <stdlib.h>

#include <iostream>

#include <Windows.h>

using namespace std;

int main()

{

	char s[] = "%E4%B8%AD%E5%9B%BD%E9%93%B6%E8%A1%8C%E6%AD%A6%E6%B1%89%E5%B8%82%E9%87%91%E8%9E%8D%E6%B8%AF%E9%93%B6%E8%A1%8C";

	

	int len = strlen(s);

	char* temps = new char[len+1];

	temps[len] = '\0';



	int temps_pos = 0;



	//去掉%号

	for (int i = 0;i<len;++i)

	{

		if (s[i] != '%')

		{

			temps[temps_pos] = s[i];

			temps_pos++;

		}

	}

	temps[temps_pos] = '\0';

	cout<<temps<<endl;



	int temps_len = strlen(temps);



	int UTF8len = temps_len/2;

	char* UTF8str = new char[UTF8len+1];



	UTF8str[UTF8len] = '\0';

	//把字符转换成数字，得到真实的UTF8串

	for (int i = 0;i<UTF8len*2;)

	{

		char convert[3] = {0};

		convert[0] = temps[i++];

		convert[1] = temps[i++];

		char *end;

		int tempint = strtol(convert,&end,16);

		UTF8str[i/2-1] = tempint;

	}



	//UTF8转换到UTF16

	int wcslen = ::MultiByteToWideChar(CP_UTF8,NULL,UTF8str,UTF8len,NULL,0);



	wchar_t* wszString = new wchar_t[wcslen + 1];



	::MultiByteToWideChar(CP_UTF8,NULL,UTF8str ,UTF8len,wszString,wcslen);



	wszString[wcslen] = L'\0';



	//设置区域

	std::wcout.imbue(std::locale("CHS"));

	wcout<<wszString<<endl;



	delete []temps;

	delete []UTF8str;

	delete []wszString;

}

/**

 * Copyright (C), 1988-2010

 *

 * $Id$

 *

 * $Log$

 */

#ifndef lint

static const char RCSID[] =

"$Id$";

static const char RELID[] =

"$" "Date: "__FILE__" "__DATE__" "__TIME__" $";

#endif /* not lint */



/**

 * @file    k_iconv.c

 * @brief   

 */



#include <stdio.h>

#include <string.h>

#include <iconv.h>



char *k_iconv_utf8_to_gb18030(const char *str)

{

    iconv_t cd;

    char *inbuf;

    char *outbuf;

    char  dstbuf[1024];

    size_t dstlen;

    size_t size;

    size_t inleft;

    size_t outleft;



    dstlen  = sizeof(dstbuf);



    cd = iconv_open("GB18030", "UTF-8");

    if ((iconv_t)-1 == cd) {

        return strdup((char *)str);

    }





    inbuf   = (char *)str;

    outbuf  = dstbuf;

    inleft  = strlen(str);

    outleft = dstlen;



    size = iconv(cd, &inbuf, &inleft, &outbuf, &outleft);

    iconv_close(cd);



    if ((size_t)-1 == size) {

        return strdup((char *)str);

    }



    if (inleft > 0) {

        return strdup((char *)str);

    }



    dstbuf[dstlen - outleft] = 0;



    return strdup((char *)dstbuf);

}



int

main(int argc, char *argv[])

{



    char buf_utf8[] = "\xE4\xB8\xAD\xE5\x9B\xBD\xE9\x93\xB6\xE8\xA1\x8C\xE6\xAD\xA6\xE6\xB1\x89\xE5\xB8\x82\xE9\x87\x91\xE8\x9E\x8D\xE6\xB8\xAF\xE9\x93\xB6\xE8\xA1\x8C\x00";

    

    char *buf_gb18030;

    int i;



    buf_gb18030 = k_iconv_utf8_to_gb18030(buf_utf8);

    printf("%s\n", buf_gb18030);



    for (i = 0; i < strlen(buf_utf8); i++)

        printf("%%%X", (unsigned char)(unsigned char)(buf_utf8[i]));

    printf("\n");



    for (i = 0; i < strlen(buf_gb18030); i++)

        printf("%%%X", (unsigned char)(unsigned char)(buf_gb18030[i]));

    printf("\n");

    

    return 0;

}

/* 输出:

中国银行武汉市金融港银行

%E4%B8%AD%E5%9B%BD%E9%93%B6%E8%A1%8C%E6%AD%A6%E6%B1%89%E5%B8%82%E9%87%91%E8%9E%8D%E6%B8%AF%E9%93%B6%E8%A1%8C

%D6%D0%B9%FA%D2%F8%D0%D0%CE%E4%BA%BA%CA%D0%BD%F0%C8%DA%B8%DB%D2%F8%D0%D0

*/

#include<stdio.h>



int main()

{

unsigned char p[20] = {0xe4,0xb8,0xad,0xe5,0x9b,0xbd};

printf( "%s\n", p );

system("pause");

return 0;

}