c语言如何打开excel文件

在C语言中，直接打开和处理Excel文件比较复杂，因为Excel文件通常使用二进制格式，并且没有标准的C语言库可以直接支持Excel文件的读取。不过，有一些第三方库可以用来在C语言中处理Excel文件，比如LibreOffice的UNO bindings、Gnumeric的API，或者使用Open XML SDK来处理Office Open XML格式的Excel文件。

以下是一个使用Open XML SDK在C语言中打开Excel文件的简单示例。注意，这个例子假设你已经安装了Open XML SDK，并且已经配置了相应的环境。

你需要包含Open XML SDK的头文件，并链接对应的库。

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