Digital watermarking based on text document can protect copyright of digital products and prohibit piracy.

文本数字水印技术可以保护数字作品的版权，防止盗版和侵权行为。

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In addition, there is also a possibility to search these documents based on the content (in the superimposed text), and when displayed as a text, the text document can be selected and copied.

另外，还可以根据内容(图像上叠加的文本)搜索这些文档；在作为文本显示时，可以选择和复制文本文档。

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Listing 2 shows the sample code used to transfer an XML document to a text, based on the XSL file saved on a specific path.

清单2展示了用于根据保存在特定路径的XSL文件将XML文档传输给文本的示例代码。

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