Pdf2data提供了模板式组件去处理你需要的pdf表格，即通过在线定制好模板解析区域，然后上传符合模板识别的pdf文件即可解析返回你需要的文本了。可集成到java代码中，前提要购买许可证,很可惜，若你或你所在公司已购买itext的使用许可，只需再添加此组件的购买即可。
API文档:https://api.itextpdf.com/pdf2Data/java/latest/
官网:https://itextpdf.com/de/products/itext-7/pdf2data
依赖
<!--pdf2data-->
<!-- <dependency>
<groupId>com.duallab.pdf2data</groupId>
<artifactId>pdf2data</artifactId>
<version>2.1.7</version>
</dependency>-->
java应用代码
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// Make sure to load license file before invoking any code 加载许可证
LicenseKey.loadLicenseFile(pathToLicenseFile);
// Parse template into an object that will be used later on 模板地址 api中提供 inputstream形式，也可直接指定路径
Template template = Pdf2DataExtractor.parseTemplateFromPDF(pathToPdfTemplate);
// Create an instance of Pdf2DataExtractor for the parsed template 创建带模板的实例
Pdf2DataExtractor extractor = new Pdf2DataExtractor(template);
// Feed file to be parsed against the template. Can be called multiple times for different files 要被识别的文pdf
ParsingResult result = extractor.recognize(pathToFileToParse);
// Save result to XML or explore the ParsingResult object to fetch information programmatically 保存到xml
result.saveToXML(pathToOutXmlFile);
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