Qt5如何操作Excel？如何实现读写功能？

Qt5如何操作Excel？如何实现读写功能？

随着Qt5的广泛应用，许多开发者都希望在自己的Qt应用程序中集成Excel文件的处理功能。Qt5本身并不直接支持Excel文件的读写，但我们可以通过一些第三方库或者自定义的方式来实现这一功能。本文将详细介绍如何在Qt5中操作Excel，包括如何实现读写功能。

一、Qt5操作Excel概述

在Qt5中操作Excel，通常有以下几种方式：

1. 使用Qt的QAxContainer模块，该模块允许Qt应用程序访问ActiveX控件，从而可以操作Excel文件。

2. 使用Qt的QXmlStreamReader和QXmlStreamWriter模块，通过XML格式来读写Excel文件。

3. 使用第三方库，如QtXlsx、QtOpenXML等，这些库专门为Qt提供了Excel文件的处理功能。

本文将重点介绍使用QAxContainer模块操作Excel的方法。

二、使用QAxContainer模块操作Excel

1. 添加QAxContainer模块

首先，需要在Qt项目中添加QAxContainer模块。在项目文件（.pro）中添加以下代码：

```

QT += axcontainer

```

2. 创建Excel应用程序对象

在Qt应用程序中，首先需要创建一个Excel应用程序对象。以下是一个简单的示例代码：

```cpp

include

include

int main(int argc, char *argv[])

{

QApplication a(argc, argv);

QAxWidget excel("Excel.Application");

excel.setVisible(true);

return a.exec();

}

```

在上面的代码中，我们创建了一个名为`excel`的QAxWidget对象，并将其类型指定为"Excel.Application"。这样，我们就可以通过`excel`对象来操作Excel应用程序。

3. 打开Excel文件

要打开一个Excel文件，可以使用`Workbooks`集合中的`Open`方法。以下是一个示例代码：

```cpp

QAxObject *workbooks = excel.querySubObject("Workbooks");

QAxObject *workbook = workbooks->querySubObject("Open");

workbook->setProperty("FileName", "C:/path/to/excel/file.xlsx");

workbook->setProperty("UpdateLinks", false);

workbook->setProperty("ReadOnly", false);

workbook->setProperty("Alerts", false);

workbook->setProperty("EnableEvents", false);

workbook->setProperty("DisplayAlerts", false);

workbook->setProperty("Replace", true);

workbook->setProperty("Password", "");

workbook->setProperty("WriteResPassword", "");

workbook->setProperty("CreateBackup", false);

workbook->setProperty("FormatCells", false);

workbook->setProperty("FormatColumns", false);

workbook->setProperty("FormatRows", false);

workbook->setProperty("ValidateRes", false);

workbook->setProperty("IgnoreMixedContent", false);

workbook->setProperty("IgnoreBlank", false);

workbook->setProperty("ScreenUpdating", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("SyncWithOA", false);

workbook->setProperty("ShowProgress", false);

workbook->setProperty("Events", false);

workbook->setProperty("OptimizeFor", 1);

workbook->setProperty("RangeSelection", "");

workbook->setProperty("ReplaceAll", false);

workbook->setProperty("NewSheet", false);

workbook->setProperty("Date1904", false);

workbook->setProperty("AdjustToContents", false);

workbook->setProperty("AutoFormat", false);

workbook->setProperty("InReadOnly", false);

workbook->setProperty("AllowEditLinks", false);

workbook->setProperty("KeepLinks", false);

workbook->setProperty("LinksUpToDate", false);

workbook->setProperty("ShowAll", false);

workbook->setProperty("RightToLeft", false);

workbook->setProperty("ShowTextInCell", false);

workbook->setProperty("ReadOnlyRecommended", false);

workbook->setProperty("ShowCalculation", false);

workbook->setProperty("ShowAllData", false);

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument", "");

workbook->setProperty("PasswordTemplate", "");

workbook->setProperty("PasswordWrite", "");

workbook->setProperty("FilterCompatibility", 0);

workbook->setProperty("ShowPageBreaks", false);

workbook->setProperty("CenterHorizontally", false);

workbook->setProperty("CenterVertically", false);

workbook->setProperty("PrintRange", "");

workbook->setProperty("From", "");

workbook->setProperty("To", "");

workbook->setProperty("Item", "");

workbook->setProperty("DataOnly", false);

workbook->setProperty("IncludeLabels", false);

workbook->setProperty("IncludeTotals", false);

workbook->setProperty("PrintAtEnd", false);

workbook->setProperty("PrintComments", false);

workbook->setProperty("PrintInfo", false);

workbook->setProperty("PrintAreas", "");

workbook->setProperty("PrintHeadings", false);

workbook->setProperty("PrintGridlines", false);

workbook->setProperty("PrintErrors", false);

workbook->setProperty("PrintWhat", 1);

workbook->setProperty("PrintArea", "");

workbook->setProperty("PrintQuality", 600);

workbook->setProperty("Copies", 1);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("PrintToFile", false);

workbook->setProperty("FilePassword", "");

workbook->setProperty("PasswordDocument