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 //Array.h
#ifndef CARL_SEN_ARRAY_H
#define CARL_SEN_ARRAY_H

#include <iostream>
#include <cstdarg>
using std::out_of_range;
using std::ostream;

template<typename T>
class Array {
protected:
unsigned int size;
T* data;
public:
//構(gòu)造函數(shù)
Array(unsigned int _size=0);
Array(unsigned int count, T data1, ...);

//復(fù)制控制
Array(const Array<T>& array);
Array& operator=(const Array<T>& array);
~Array() {
delete[] data;
}
//兩種重載運算符
T& operator[](unsigned int index);
const T& operator[](unsigned int index) const;
friend ostream& operator<<(ostream& os, const Array<T>& array);

//get，set成員函數(shù)
unsigned int getSize() const {
return size;
}
void setSize(unsigned int newSize);
};

template <typename T>
Array<T>::Array(unsigned int _size):data(new T[_size]), size(_size) {
for(unsigned int i=0; i<size; ++i) {
data[i]=T();
}
}

template <typename T>
Array<T>::Array(unsigned int count, T data1, ...):size(count), data(new T[count]) {
va_list ap;
va_start(ap, count);
for(unsigned int i=0; i<size; ++i) {
data[i]=va_arg(ap, T);
}
va_end(ap);
}

template <typename T>
Array<T>::Array(const Array<T>& array):size(array.size), data(new T[array.size]) {
for(unsigned int i=0; i<size; ++i) {
data[i]=array.data[i];
}
}

template <typename T>
Array<T>& Array<T>::operator=(const Array<T>& array) {
if(&array!=this) {
delete[] data;
data=new T[array.size];
size=array.size;
for(unsigned int i=0; i<size; ++i) {
data[i]=array.data[i];
}
}
return *this;
}

template <typename T>
T& Array<T>::operator[](unsigned int index) {
if(index>=size) {
throw out_of_range("invalid index");
}
return data[index];
}

template <typename T>
const T& Array<T>::operator[](unsigned int index) const {
if(index>=size) {
throw out_of_range("invalid index");
}
return data[index];
}

template <typename T>
void Array<T>::setSize(unsigned int newSize) {
T* const newData=new T[newSize];
const unsigned int Min=size<newSize?size:newSize;
for(unsigned int i=0; i<Min; ++i) {
newData[i]=data[i];
}
delete[] data;
data=newData;
size=newSize;
}

template <typename T>
ostream& operator<<(ostream& os, const Array<T>& array) {
for(int i=0; i<array.size; ++i) {
os<<array.data[i]<<"\t";
}
return os;
}

#endif

第二個頭文件Array2D.h是二維動態(tài)數(shù)組類模板：
//Array2D.h
#ifndef CARL_SEN_ARRAY2D_H
#define CARL_SEN_ARRAY2D_H

#include "Array.h"
#include <iostream>
#include <cstdarg>
using std::ostream;
using std::out_of_range;

template <typename T>
class Array2D {
protected:
unsigned int rows;
unsigned int cols;
Array<T> array;
public:
//構(gòu)造函數(shù)
Array2D(unsigned int _rows=0, unsigned int _cols=0);
Array2D(unsigned int _rows, unsigned int _cols, T data1, ...);
//兩種重載運算符
class RowArray;
RowArray operator[](unsigned int row);
const RowArray operator[](unsigned int row) const;
friend ostream& operator<<(ostream& os, const Array2D<T>& array2D);

//計算第二維下標操作的嵌套類
class RowArray {
private:
const Array2D<T>& array2D;
unsigned int row;
public:
RowArray(Array2D<T>& _array2D, unsigned int _row=0):
array2D(_array2D), row(_row) {}
RowArray(const Array2D<T>& _array2D, unsigned int _row=0):
array2D(_array2D), row(_row) {}
T& operator[](unsigned int col) {
if(col>=array2D.cols) {
throw out_of_range("invalid col");
}
return const_cast<Array2D<T>&>(array2D).array[row*array2D.cols+col];
}
const T& operator[](unsigned int col) const {
if(col>=array2D.cols) {
throw out_of_range("invalid col");
}
return array2D.array[row*array2D.cols+col];
}
};
friend class RowArray;

//get，set函數(shù)
unsigned int getRows() const {
return rows;
}
unsigned int getCols() const {
return cols;
}
};

template <typename T>
Array2D<T>::Array2D(unsigned int _rows, unsigned int _cols):
rows(_rows), cols(_cols), array(_rows*_cols){
for(unsigned int i=0; i<rows*cols; ++i) {
array[i]=T();
}
}

template <typename T>
Array2D<T>::Array2D(unsigned int _rows, unsigned int _cols, T data1, ...):
rows(_rows), cols(_cols),array(_rows*_cols){
va_list ap;
va_start(ap, _cols);
for(unsigned int i=0; i<rows*cols; ++i) {
array[i]=va_arg(ap, T);
}
va_end(ap);
}

template <typename T>
Array2D<T>::RowArray Array2D<T>::operator[](unsigned int row) {
if(row>=rows) {
throw out_of_range("invalid row");
}
return RowArray(*this, row);
}

template <typename T>
const Array2D<T>::RowArray Array2D<T>::operator[](unsigned int row) const {
if(row>=rows) {
throw out_of_range("invalid row");
}
return RowArray(*this, row);
}

template <typename T>
ostream& operator<<(ostream& os, const Array2D<T>& array2D) {
unsigned int i, j;
for(i=0; i<array2D.rows; ++i) {
for(j=0; j<array2D.cols; ++j) {
os<<array2D.array[i*array2D.cols+j]<<"\t";
}
if(i!=array2D.rows-1) {
os<<endl;
}
}
return os;
}

#endif

現(xiàn)在就可以使用它們了，如下面的測試程序：
#include "Array.h"
#include "Array2D.h"
#include <iostream>
#include <string>
using std::string;
using std::cout;
using std::endl;

void testArray();
void testArray2D();

int main() {
testArray();
testArray2D();
return EXIT_SUCCESS;
}

void testArray() {
//普通數(shù)組
Array<int> a1(3);
cout<<"Testing Array: print 1"<<endl;
cout<<a1<<endl; //整體打印

unsigned int i;
for(i=0; i<a1.getSize(); ++i) {
a1[i]=i+1; //逐個賦值
}
cout<<"Testing Array: print 2"<<endl;
for(i=0; i<a1.getSize(); ++i) {
cout<<a1[i]<<"\t"; //逐個打印
}
cout<<endl;

//常量數(shù)組
const Array<int> a2(3, 123, 234, 345);
cout<<"Testing Array: print 3"<<endl;
cout<<a2<<endl;
cout<<"Testing Array: print 4"<<endl;
for(i=0; i<a2.getSize(); ++i) {
cout<<a2[i]<<"\t";
}
cout<<endl;

//拷貝構(gòu)造
Array<int> a3(a1);
cout<<"Testing Array: print 5"<<endl;
cout<<a3<<endl;
const Array<int> a4(a2);
cout<<"Testing Array: print 6"<<endl;
cout<<a4<<endl;

//數(shù)組賦值給數(shù)組
Array<int> a5;
a5=a4;
cout<<"Testing Array: print 7"<<endl;
cout<<a5<<endl;

//增減數(shù)組元素
a5.setSize(a5.getSize()+1);
a5[a5.getSize()-1]=111;
cout<<"Testing Array: print 8"<<endl;
cout<<a5<<endl;
a5.setSize(a5.getSize()-2);
cout<<"Testing Array: print 9"<<endl;
cout<<a5<<endl;

//保存對象
Array<string> a6(2, string("str0"), string("str1"));
cout<<"Testing Array: print 10"<<endl;
cout<<a6<<endl;
for(i=0; i<a6.getSize(); ++i) {
a6[i]+=static_cast<char>(48+i);
}
cout<<"Testing Array: print 11"<<endl;
for(i=0; i<a6.getSize(); ++i) {
cout<<a6[i]<<"\t";
}
cout<<endl;
const Array<string> a7(3, string("000"), string ("111"), string("222"));
cout<<"Testing Array: print 12"<<endl;
cout<<a7<<endl;
for(i=0; i<a7.getSize(); ++i) {
cout<<a7[i]<<"\t";
}
cout<<endl;
}

void testArray2D() {
//普通數(shù)組
Array2D<int> a1(2, 2);
cout<<"Testing Array2D: print 1"<<endl;
cout<<a1<<endl;
unsigned int i,j;
for(i=0; i<a1.getRows(); ++i) {
for(j=0; j<a1.getCols(); ++j) {
a1[i][j]=i+j;
}
}
cout<<"Testing Array2D: print 2"<<endl;
for(i=0; i<a1.getRows(); ++i) {
for(j=0; j<a1.getCols(); ++j) {
cout<<a1[i][j]<<"\t";
}
cout<<endl;
}

//常量數(shù)組
const Array2D<int> a2(2, 2, 123, 234, 345, 456);
cout<<"Testing Array2D: print 3"<<endl;
cout<<a2<<endl;
cout<<"Testing Array2D: print 4"<<endl;
for(i=0; i<a2.getRows(); ++i) {
for(j=0; j<a2.getCols(); ++j) {
cout<<a2[i][j]<<"\t";
}
cout<<endl;
}
//拷貝構(gòu)造
Array2D<int> a3(a1);
cout<<"Testing Array2D: print 5"<<endl;
cout<<a3<<endl;
const Array2D<int> a4(a2);
cout<<"Testing Array2D: print 6"<<endl;
cout<<a4<<endl;

//數(shù)組賦值給數(shù)組
Array2D<int> a5;
a5=a4;
cout<<"Testing Array2D: print 7"<<endl;
cout<<a5<<endl;

//保存對象
Array2D<string> a6(2, 2, string("str00"), string("str01"), string("str10"), string("str11"));
cout<<"Testing Array2D: print 8"<<endl;
cout<<a6<<endl;
for(i=0; i<a6.getRows(); ++i) {
for(j=0; j<a6.getCols(); ++j) {
a6[i][j]+=static_cast<char>(48+i+j);
}
}
cout<<"Testing Array2D: print 9"<<endl;
for(i=0; i<a6.getRows(); ++i) {
for(j=0; j<a6.getCols(); ++j) {
cout<<a6[i][j]<<"\t";
}
cout<<endl;
}
const Array2D<string> a7(2, 1, string("11111"), string("22222"));
cout<<"Testing Array2D: print 10"<<endl;
cout<<a7<<endl;
cout<<"Testing Array2D: print 11"<<endl;
for(i=0; i<a7.getRows(); ++i) {
for(j=0; j<a7.getCols(); ++j) {
cout<<a7[i][j]<<"\t";
}
cout<<endl;
}
}