qt读取excel文件
时间: 2023-11-10 14:56:52 浏览: 27
可以使用Qt提供的QAxObject类来读取Excel文件。
首先需要添加Qt的ActiveX模块,然后在代码中包含QAxObject头文件。
下面是一个读取Excel文件中数据的示例代码:
```cpp
#include <QAxObject>
// 读取Excel文件
QAxObject* excel = new QAxObject("Excel.Application");
QAxObject* workbooks = excel->querySubObject("Workbooks");
QAxObject* workbook = workbooks->querySubObject("Open(const QString&)", "excel_file.xlsx");
QAxObject* worksheet = workbook->querySubObject("Worksheets(int)", 1); // 第一个工作表
QAxObject* used_range = worksheet->querySubObject("UsedRange");
QAxObject* rows = used_range->querySubObject("Rows");
QAxObject* columns = used_range->querySubObject("Columns");
int row_count = rows->property("Count").toInt();
int column_count = columns->property("Count").toInt();
// 读取数据
for (int i = 1; i <= row_count; i++) {
for (int j = 1; j <= column_count; j++) {
QAxObject* cell = worksheet->querySubObject("Cells(int, int)", i, j);
QVariant value = cell->property("Value");
qDebug() << value.toString();
cell->clear();
delete cell;
}
}
// 释放资源
delete rows;
delete columns;
delete used_range;
delete worksheet;
workbook->dynamicCall("Close()");
delete workbook;
workbooks->dynamicCall("Close()");
delete workbooks;
excel->dynamicCall("Quit()");
delete excel;
```
需要注意的是,使用QAxObject类需要安装Excel软件并启用Qt的ActiveX模块。