#include <map>
#include <string>
#include <vector>
#include <iostream>
#include <QAxObject>
#include <QString>
#include <QFile>
class Position
{
public:
Position() {
m_row = 0;
m_col = 0;
}
Position(int row, int col) {
m_row = row;
m_col = col;
}
public:
int m_row;
int m_col;
public:
bool operator<(const Position & ct) const // 两个const是必需的。
{
if (m_row < ct.m_row) {
return true;
} else if (m_row == ct.m_row) {
if ( m_col < ct.m_col ) {
return true;
}
}
return false;
}
};
class ReadExcel
{
public:
ReadExcel();
~ReadExcel();
public:
//打开excel文件
bool openExcel(const QString& filename);
//获取 指定单元格的数据
std::string getCellData(const int& row, const int& col);
//获取 行数,列数
void getInfo(int& row, int& col) const;
private:
void getALLfromExcel();
private:
int m_row; //行
int m_col; //列
QString m_filename;
QAxObject* m_excel;
std::map<Position, std::string> m_mapdata;
Position p;
};
#endif // READEXCEL_H
#include "readexcel.h"
#include <QDebug>
#include <iostream>
ReadExcel::ReadExcel()
:m_row(0), m_col(0), m_filename("")
{
m_excel = new QAxObject("Excel.Application");
}
ReadExcel::~ReadExcel()
{
if (!m_mapdata.empty()) {
m_mapdata.clear();
}
delete m_excel;
}
//
bool ReadExcel::openExcel(const QString &filename)
{
if (filename.isEmpty()) {
m_row = 0;
m_col = 0;
return false;
}
QFile file(filename);
if (!file.exists()){
m_row = 0;
m_col = 0;
return false;
};
if (!m_mapdata.empty()) {
m_mapdata.clear();
}
m_filename = filename;
try {
getALLfromExcel();
} catch (...) {
return false;
}
return true;
}
void ReadExcel::getInfo(int &row, int &col) const
{
row = m_row;
col = m_col;
}
std::string ReadExcel::getCellData(const int &row, const int &col)
{
if (row >= 1 && row <= m_row && col >= 1 && col <= m_col) {
p.m_row = row;
p.m_col = col;
return m_mapdata[p];
} else {
return NULL;
}
}
void ReadExcel::getALLfromExcel()
{
m_excel->setProperty("Visible", 0);
QAxObject* workbooks = m_excel->querySubObject("WorkBooks");
workbooks->dynamicCall("Open (const QString&)", m_filename);
QAxObject* workbook = m_excel->querySubObject("ActiveWorkBook");
QAxObject* worksheets = workbook->querySubObject("WorkSheets");
QAxObject* worksheet = workbook->querySubObject("Worksheets(int)", 1); //worksheet number
QAxObject* usedrange = worksheet->querySubObject("UsedRange");
QAxObject* rows = usedrange->querySubObject("Rows");
QAxObject* columns = usedrange->querySubObject("Columns");
int intRowStart = usedrange->property("Row").toInt();
int intColStart = usedrange->property("Column").toInt();
int intCols = columns->property("Count").toInt();
int intRows = rows->property("Count").toInt();
m_row = intRows;
m_col = intCols;
QAxObject * cell;
for (int i = intRowStart; i < intRowStart + intRows; i++)
{
for (int j = intColStart; j < intColStart + intCols; j++)
{
Position pos(i, j);
cell = m_excel->querySubObject("Cells(Int, Int)", i, j );
QVariant cellValue = cell->dynamicCall("value");
m_mapdata.insert(std::pair<Position, std::string>(pos, cellValue.toString().toStdString()));
}
}
m_excel->setProperty("DisplayAlerts", 0);
workbook->dynamicCall("Save(void)");
workbook->dynamicCall("Close (Boolean)", false);
m_excel->setProperty("DisplayAlerts",1);
}