public class String:public String

{

public String(const char s=""):String(s){};

//public static int bytesToInt(char buf,int sizeOfInt);

//public static void intToBytes(char buf[],int value);

//static char SocketToolsgbkToUtf8(char strGBK);

//public static int gbkToUtf8(String strUtf8,char strGBK);

//public static int utf8ToGbk(String strGbk,char strUtf8);

//public static void utf8ToGbk(String szstr);

//public static int gbkToUnicode(wString strUnicode,char strGBK);

//public static int gb2312ToUnicode(wString result,char strGb2312);

//public static void urlDecode(const char str,String szResault);

//public void replaceString(const String strSrc, const String strDst);

//public boolean replaceString(const String strStart, const String strStop,const String strDst);

//public void trim();

//public boolean endOf(const char s);

//字节数组转换为整型

int bytesToInt(char buf,int sizeOfInt)

{

int value=0;

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

{

value+=(buf[i] 0xff)<<8i;

}

return value;

}

//整型转换为字节数组

void intToBytes(char buf[],int value)

{

for(int i=0;i<sizeof(value);i++)

{

buf[i]=(value>>i8) 0xff;

}

}

//gbk转换unicode

int gbkToUnicode(wString strUnicode,char strGBK)

{

//MultiByteToWideChar gb2312转换为unicode

int len;

wchar_t pUnicode;

if (!strGBK)

{

return null;

}

len =MultiByteToWideChar(CP_GBK,0,strGBK,-1,null,0);

if (len <1)

{

return 0;

}

pUnicode = (wchar_t ) malloc(sizeof(wchar_t) len);

if (!pUnicode)

{

return 0;

}

len = MultiByteToWideChar(CP_GBK, 0, strGBK, -1, pUnicode, len);

if (len<1)

{

free(pUnicode);

return 0;

}

//

char strUTF8;

len = WideCharToMultiByte(CP_UTF8, 0, pUnicode, -1, null, 0, null, null);

if (len<1)

{

free(pUnicode);

return 0;

}

strUTF8 = (char ) malloc(sizeof(char) len);

if (!strUTF8)

{

free(pUnicode);

return 0;

}

len = WideCharToMultiByte (CP_UTF8, 0, pUnicode, -1, strUTF8, len, null,null);

free(pUnicode);

if (len<1)

{

free(strUTF8);

return 0;

}///

//strUnicode=pUnicode;

strUnicode=(wchar_t )strUTF8;

free(pUnicode);

return len;

}

//gb2312转换unicode --有问题!

int gb2312ToUnicode(wString result,char strGb2312)

{

int n = MultiByteToWideChar( CP_ACP, 0, strGb2312, -1, null, 0 );

result.resize(n);

MultiByteToWideChar( CP_ACP, 0, strGb2312, -1, (LPWSTR)result.c_str(), result.length());

return n;

}

//gbk转换为utf-8

int gbkToUtf8(String strUtf8,char strGBK)

{

int len = MultiByteToWideChar(CP_ACP, 0, strGBK, -1, null, 0);

wchar_t wstr = new wchar_t[len+1];

memset(wstr, 0, len+1);

MultiByteToWideChar(CP_ACP, 0, strGBK, -1, wstr, len);

len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, null, 0, null, null);

char str = new char[len+1];

memset(str, 0, len+1);

WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, len, null, null);

if(wstr)

//delete[] wstr;

strUtf8=String(str,len);

//delete[]str;

return len;

}

//utf8转换为gbk编码

int utf8ToGbk(String strGbk,char strUtf8)

{

int len=MultiByteToWideChar(CP_UTF8, 0, strUtf8, -1, null,0);

short wszGBK = new short[len+1];

memset(wszGBK, 0, len 2 + 2);

MultiByteToWideChar(CP_UTF8, 0, strUtf8, -1, wszGBK, len);

len = WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, null, 0, null, null);

char szGBK=new char[len + 1];

memset(szGBK, 0, len + 1);

WideCharToMultiByte (CP_ACP, 0, wszGBK, -1, szGBK, len, null,null);

strGbk = szGBK;

//delete[] szGBK;

//delete[] wszGBK;

return len;

}

void utf8ToGbk(String szstr)

{

WCHAR strSrc;

TCHAR szRes;

int i = MultiByteToWideChar(CP_UTF8, 0, szstr.c_str(), -1, null, 0);

strSrc = new WCHAR[i + 1];

MultiByteToWideChar(CP_UTF8, 0, szstr.c_str(), -1, strSrc, i);

i = WideCharToMultiByte(CP_ACP, 0, strSrc, -1, null, 0, null, null);

szRes = new TCHAR[i + 1];

WideCharToMultiByte(CP_ACP, 0, strSrc, -1, szRes, i, null, null);

szstr = szRes;

//delete[]strSrc;

//delete[]szRes;

}

//URL解码

void urlDecode(const char str,String szResault)

{

short tmp=0;

char ch, hex[2] = "";

int n = 0;

szResault="";

while (ch = (str + n))

{

if (ch == '%')

{

hex[0] = (str + n + 1);

hex[1] = (str + n + 2);

sscanf(hex, "%x", tmp);

szResault += tmp;

n = n + 3;

continue ;

}

else if(ch=='-'||ch=='-'||ch=='.'||ch=='!'||ch=='~'||ch==''||ch=='\''||ch=='('||ch==')')

{

szResault+=ch;

}

else if(ch=='+')

{

szResault+=" ";

}

else if(ch>='0'ch<='9')

{

szResault+=ch;

}

else if(ch>='A'ch<='z')

{

szResault+=ch;

}

n ++;

}

//utf8ToGbk(szResault);

}

//替换字符串:将strToReplace里面的strSrc字串替换成strDst

void replaceString(const String strSrc, const String strDst)

{

Stringsize_type pos=0;

Stringsize_type srcLen=strSrc.size();

Stringsize_type dstLen=strDst.size();

while( (pos=this.find(strSrc, pos)) != Stringnpos)

{

this.replace(pos, srcLen, strDst);

pos += dstLen;

}

}

//替换字符串:将strToReplace里面的strStart到strStop字串替换成strDst

boolean replaceString(const String strStart, const String strStop,const String strDst)

{

int start=find(strStart);

int stop=find(strStop);

if(start>=0 stop>start)

{

replace(start,stop-start+strStop.size(),strDst);

return true;

}

return false;

}

//替换首尾空格

void trim()

{

int pos;

while( (pos=this.find(" "))==0 || pos==this.length()-1 )

{

if(this.length()==0)

break;

this.erase(pos,1);

}

}

//是否以s结束

boolean endOf(const char s)

{

int pos=this.find_last_of(s)-1;

int len=strlen(s);

return (pos+len==this.length());

}

}