java读PDF文件内容并获取指定一组文字'人员签字'坐标
时间: 2023-05-23 22:04:02 浏览: 143
可以使用Apache PDFBox来读取PDF文件内容并获取指定一组文字'人员签字'坐标。以下是Java代码示例:
```
import java.io.File;
import java.io.IOException;
import java.util.List;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.text.PDFTextStripperByArea;
import org.apache.pdfbox.text.TextPosition;
public class ReadPDF {
public static void main(String[] args) throws IOException {
File file = new File("example.pdf");
PDDocument document = PDDocument.load(file);
PDFTextStripperByArea stripper = new PDFTextStripperByArea();
stripper.setSortByPosition(true);
// Set the coordinates of the text area
// (left, top, right, bottom)
stripper.addRegion("region", new java.awt.Rectangle(50, 50, 500, 500));
List allPages = document.getDocumentCatalog().getAllPages();
int pageNum = 1;
for (PDPage page : allPages) {
stripper.extractRegions(page);
List textList = stripper.getRegions().get("region").getTextPositions();
for (TextPosition text : textList) {
if (text.getUnicode().contains("人员签字")) {
System.out.println("Page " + pageNum + ": x=" + (int) text.getX() + ", y="
+ (int) (page.getMediaBox().getHeight() - text.getY()));
}
}
pageNum++;
}
document.close();
}
}
```
这段代码将随机的PDF文件加载到PDDocument对象中,使用PDFTextStripperByArea类从指定的文本区域读取PDF文本,并在找到包含“人员签字”文本的TextPosition对象时记录其坐标。