#include?“CString.h“


CString?CString::Left（int?iPos）{
??char?*?tmp?=?new?char[iPos?+1];
//int?copy（char?*s?int?n?int?pos?=?0）?const;//把當(dāng)前串中以pos開(kāi)始的n個(gè)字符拷貝到以s為起始位置的字符數(shù)?
??this->copy（tmpiPos）;
??tmp[iPos]=‘\0‘;
//??cout<<“l(fā)eft（“<??CString?cs（tmp）;
??delete?tmp;
??return?cs;
}

int?CString::FindOneOf（const?string?s）{
//int?find（char?c?int?pos?=?0）?const;//從pos開(kāi)始查找字符c在當(dāng)前字符串的位置
//int?find_first_of（char?c?int?pos?=?0）?const;//從pos開(kāi)始查找字符c第一次出現(xiàn)的位置
//int?find_first_of（const?string?&sint?pos?=?0）?const;
	return??this->find_first_of（s）;
}