這也是部分。
#include "stdafx.h"
#include //建構函式（預設）
mystring::mystring(const char* str = null)
else
}//拷貝建構函式
mystring::mystring(const mystring & another)
//運算子過載 =(賦值)
mystring & mystring::operator = (const mystring & another)
//先刪除自己開闢的空間
mystring::~mystring();
//獲取another字元長度
int len = strlen(another._str);
//開闢記憶體空間+1 '\0'
this->_str = new char[len + 1];
//將another資料賦值給開闢的空間裡面
strcpy_s(this->_str, len + 1, another._str);
//*_str
return *this;
}//運算子過載 +（加法）
mystring mystring::operator + (const mystring & another)
//cout << j (const mystring & another)
else
}//關係運算子過載 <
bool mystring::operator < (const mystring & another)
else
}//關係運算子過載 ==
bool mystring::operator == (const mystring & another)
else
}//輸入流過載 >>
istream & operator >>(istream &in , mystring &another)
//輸出流過載 <<
ostream & operator <<(ostream &out ,const mystring &another)
//申請記憶體過載
void* mystring::operator new(size_t size)
//new過載
void* mystring::operator new(size_t size)
//刪除申請的記憶體
void mystring::operator delete(void* p)
//delete
void mystring::operator delete(void* p)
//查詢字元,在字串第幾個
//類,查詢的字元
/*char mystring::find(const mystring & p, char data)
//else
int leng = strlen(this->_str);
for (int i = 0;i < leng;i++)
} return data;
}替換第幾個字元;
//pos開始的num個字元,字元
char mystring::replace(int pos, int num,char data)
for (int i = 0;i <= leng;i++)
} cout << this->_str << endl;
}//運算子過載
char& mystring::operator(int idx)
//列印輸出
void mystring::format()
cout << endl;
}//析構函式__釋放物件開闢的資源空間
mystring::~mystring()
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