[转载]C++URL编码转换

class strCoding
{public:strCoding(void);~strCoding(void);// utf_8 转 gb2312void UTF_8ToGB2312(string &pOut, char *pText, int pLen);// gb2312 转 utf_8void GB2312ToUTF_8(string& pOut, char *pText, int pLen);// url_gb2312 编码string UrlGB2312(char *str);// url_utf8 编码string UrlUTF8(char *str);// url_utf8 解码string UrlUTF8Decode(string str);// url_gb2312 解码string UrlGB2312Decode(string str);private:void Gb2312ToUnicode(WCHAR *pOut, char *gbBuffer);void UTF_8ToUnicode(WCHAR *pOut, char *pText);void UnicodeToUTF_8(char *pOut, WCHAR *pText);void UnicodeToGB2312(char *pOut, WCHAR uData);char CharToInt(char ch);char StrToBin(char *str);
};strCoding::strCoding(void)
{}strCoding::~strCoding(void)
{}void strCoding::Gb2312ToUnicode(WCHAR *pOut, char *gbBuffer)
{::MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, gbBuffer, 2, pOut, 1);return;
}void strCoding::UTF_8ToUnicode(WCHAR *pOut, char *pText)
{char *uchar = (char *)pOut;uchar[1] = ((pText[0] & 0x0F) << 4) + ((pText[1] >> 2) & 0x0F);uchar[0] = ((pText[1] & 0x03) << 6) + (pText[2] & 0x3F);return;
}void strCoding::UnicodeToUTF_8(char *pOut, WCHAR *pText)
{// 注意 WCHAR 高低字的顺序,低字节在前,高字节在后char *pchar = (char *)pText;pOut[0] = (0xE0 | ((pchar[1] & 0xF0) >> 4));pOut[1] = (0x80 | ((pchar[1] & 0x0F) << 2)) + ((pchar[0] & 0xC0) >> 6);pOut[2] = (0x80 | (pchar[0] & 0x3F));return;
}void strCoding::UnicodeToGB2312(char *pOut, WCHAR uData)
{WideCharToMultiByte(CP_ACP, NULL, &uData, 1, pOut, sizeof(WCHAR), NULL, NULL);return;
}// 做为解Url使用
char strCoding::CharToInt(char ch)
{if(ch >= '0' && ch <= '9')return (char)(ch - '0');if(ch >= 'a' && ch <= 'f')return (char)(ch - 'a' + 10);if(ch >= 'A' && ch <= 'F')return (char)(ch - 'A' + 10);return -1;
}char strCoding::StrToBin(char *str)
{char tempWord[2];char chn;tempWord[0] = CharToInt(str[0]);    // make the B to 11 -- 00001011tempWord[1] = CharToInt(str[1]);    // make the 0 to 0 -- 00000000chn = (tempWord[0] << 4) | tempWord[1];    // to change the BO to 10110000return chn;
}// UTF_8 转 gb2312
void strCoding::UTF_8ToGB2312(string &pOut, char *pText, int pLen)
{char buf[4];char *rst = new char[pLen + (pLen >> 2) + 2];memset(buf, 0, 4);memset(rst, 0, pLen + (pLen >> 2) + 2);int i =0;int j = 0;while(i < pLen){if(*(pText + i) >= 0){rst[j++] = pText[i++];}else{WCHAR Wtemp;UTF_8ToUnicode(&Wtemp, pText + i);UnicodeToGB2312(buf, Wtemp);unsigned short int tmp = 0;tmp = rst[j] = buf[0];tmp = rst[j + 1] = buf[1];tmp = rst[j + 2] = buf[2];//newBuf[j] = Ctemp[0];//newBuf[j + 1] = Ctemp[1];i += 3;j += 2;}}rst[j] = '\0';pOut = rst;delete []rst;
}// GB2312 转 UTF-8
void strCoding::GB2312ToUTF_8(string& pOut, char *pText, int pLen)
{char buf[4];memset(buf, 0, 4);pOut.clear();int i = 0;while(i < pLen){// 如果是英文直接复制就可以if( pText[i] >= 0){char asciistr[2] = {0};asciistr[0] = (pText[i++]);pOut.append(asciistr);}else{WCHAR pbuffer;Gb2312ToUnicode(&pbuffer, pText + i);UnicodeToUTF_8(buf,&pbuffer);pOut.append(buf);i += 2;}}return;
}// 把str编码为网页中的 GB2312 url encode ,英文不变，汉字双字节 如%3D%AE%88
string strCoding::UrlGB2312(char *str)
{string dd;size_t len = strlen(str);for (size_t i = 0; i < len; i++){if(isalnum((BYTE)str[i])){char tempbuff[2];sprintf(tempbuff, "%c", str[i]);dd.append(tempbuff);}else if (isspace((BYTE)str[i])){dd.append("+");}else{char tempbuff[4];sprintf(tempbuff, "%%%X%X", ((BYTE*)str)[i] >>4, ((BYTE*)str)[i] % 16);dd.append(tempbuff);}}return dd;
}// 把str编码为网页中的 UTF-8 url encode ,英文不变，汉字三字节 如%3D%AE%88
string strCoding::UrlUTF8(char *str)
{string tt;string dd;GB2312ToUTF_8(tt, str, (int)strlen(str));size_t len=tt.length();for (size_t i = 0; i < len; i++){if(isalnum((BYTE)tt.at(i))){char tempbuff[2] = {0};sprintf(tempbuff, "%c", (BYTE)tt.at(i));dd.append(tempbuff);}else if (isspace((BYTE)tt.at(i))){dd.append("+");}else{char tempbuff[4];sprintf(tempbuff, "%%%X%X", ((BYTE)tt.at(i)) >> 4, ((BYTE)tt.at(i)) % 16);dd.append(tempbuff);}}return dd;
}// 把url GB2312解码
string strCoding::UrlGB2312Decode(string str)
{string output = "";char tmp[2];int i = 0, idx = 0, ndx, len = str.length();while(i<len){if(str[i] == '%'){tmp[0] = str[i + 1];tmp[1] = str[i + 2];output += StrToBin(tmp);i = i + 3;}else if(str[i] == '+'){output += ' ';i++;}else{output += str[i];i++;}}return output;
}// 把url utf8解码
string strCoding::UrlUTF8Decode(string str)
{string output = "";string temp = UrlGB2312Decode(str);UTF_8ToGB2312(output, (char *)temp.data(), strlen(temp.data()));return output;
}

//转自 https://www.cnblogs.com/hoy0a1d/p/8998245.html

[转载]C++URL编码转换相关推荐

Google App Engine for Java下的URL编码转换问题
URL编码问题此部分参考英文资料: http://www.blooberry.com/indexdot/html/topics/urlencoding.htm http://www.w3school ...
php url gb2312 utf8,php实现utf-8与gb2312的url编码转换
在现在的网页应用中,utf-8编码和gb2312编码是并存在的,例如百度(baidu.com)和谷歌(google.com)的url编码分别是gb2312编码和utf-8编码. 由于编码并存引起的乱码 ...
java url地址编码转换_java url编码转换
[转载于: 因为在做链接来源统计的时候需要把 http://www.baidu.com/baiduword=%D6%D0%B9%FA%B4%F3%B0%D9%BF%C6%D4%DA%CF%DF%C8 ...
C#写一个URL编码转换GB23121的方法,然后可以取到天气预报
/// <summary> /// 根据城市取得天气预报信息 /// </summary> /// <param name="ps_CityName ...
C# URL编码转换 URL转码 UrlDecode UrlEncode
using System.Web; 引用system.web. textBox2.Text = System.Web.HttpUtility.UrlDecode(textBox1.Text, Syst ...
c 语言url 编码转换,在线编码转换URL编码URL解码
APP说明 url编码是一种浏览器用来打包表单输入的格式.浏览器从表单中获取所有的name和其中的值 ,将它们以name/value参数编码(移去那些不能传送的字符,将数据排行等等)作为URL的一部分 ...
如何将html表单转换成url,JS表单传值和URL编码转换
注意: 这里写了两个网页因为URL传过去的数据不支持中文字符和一些特殊符号所以需要转换一下编码实现效果:网页1的表单数据传到网页2并显示出来网页1代码如下: document 账号: 姓名: ...
javaScript中URL编码转换
在使用url进行参数传递时,经常会传递一些中文名的参数或带特殊字符的参数或URL地址,在后台处理时会发生转换错误.在有些传递页面使用GB2312,而在接收页面使用UTF8,这样接收到的参数就可能会与原 ...
encodeURIcomponent编码和ASP.NET之间编码转换
Javascript的URL编码转换,escape() encodeURI() encodeURIComponent(),asp.net 的UrlDecode进行解码 . 本文介绍对url编码的三种函 ...

[转载]C++URL编码转换

[转载]C++URL编码转换相关推荐

最新文章

热门文章