#ifndef _STR_FUN_H_030802#define _STR_FUN_H_030802#include <string>#include <sstream>#include <iostream>#include <algorithm>using namespace std;class CStrFun{public:	CStrFun();	virtual ~CStrFun();	static void Str2Lower(string &sSource, int nLen);	static string itos(long long i){		stringstream s;		s << i;		return s.str();	}	/* Locate a substring ignoring case	 * The  function  returns a value equal or lager than zero,         * or -1 if the substring is not found.	 */	static string::size_type FindCase(string haystack, string needle);	static string::size_type FindCaseFrom(string haystack, string needle, int From);	static void ReplaceStr(string &str, string srstr, string dsstr);	static void EraseStr(string &str, string substr);};#endif	// end _STR_FUN_H_030802/*ostringstream oss<<Dea<<'.'<<pre();oss.str();*/