1. 表格位置定点
2.执行效果展示(截取PDF文件图片)
3.执行代码
当我们使用Apache PDFBox库在PDF文件中创建带有表格的内容,需要遵循几个步骤。PDFBox本身并没有直接的API来创建表格,但我们可以通过定位文本、绘制线条和单元格矩形来模拟表格的创建。
- 添加PDFBox依赖
- 编写代码以创建PDF并绘制表格
java
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDType0Font;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
public class TableInPDFBox {
public static void main(String[] args) {
PDDocument document = null;
String[][] stuData = new String[][]{{"姓名","工号","部门","爱好","优势"}
,{"张三丰","WD0001","武当派","阅读让我们获得知识和灵感,运动可以让我们保持身体健康。","武当派和三丰派的祖师,会少林武功和九阳真经,武功特点是阴阳互融、刚柔并济,达到了武学的巅峰。"}
,{"郭 襄","EM0001","峨嵋派","书法有助于修养身心,陶冶情操,既练习了字,也可以修炼沉稳的性格","会峨眉九阳功,擅长黄药师最精妙的剑法之一的落英剑法"}};
try {
document = new PDDocument();
PDPage page = new PDPage();
document.addPage(page);
PDPageContentStream contentStream = new PDPageContentStream(document, page);
Date date = new Date();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd HHmmss");
String dateFormat = sdf.format(date);
// 表格参数
int rows = 3;
int cols = 5;
float xPos = 50; // 表格左上角的x坐标
float yPos = 700; // 表格左上角的y坐标(注意:PDF坐标系统的原点在左下角)
float cellWidth1 = 50 ,cellWidth2 = 150;
float cellHeight = 50;
// 绘制表格线 x轴
for (int i = 0; i <= rows; i++) {
float rowY = yPos - i * cellHeight;
contentStream.moveTo(xPos, rowY);
contentStream.lineTo( xPos+cellWidth1*3+cellWidth2*2, rowY);
contentStream.stroke();
//System.out.println("第"+(i+1)+"条x轴的位置是:("+xPos+","+rowY+")->("+(xPos+cellWidth1*3+cellWidth2*2)+","+rowY+")");
}
// 绘制表格线 y轴
for (int j = 0; j <= cols; j++) {
float colX ;
if(j>3){
colX = xPos + 3 * cellWidth1 +(j-3)*cellWidth2;
}else{
colX = xPos + (j) * cellWidth1;
}
contentStream.moveTo(colX, yPos);
contentStream.lineTo(colX, yPos - rows * cellHeight);
contentStream.stroke();
//System.out.println("第"+(j+1)+"条y轴的位置是:("+colX+","+yPos+")->("+colX+","+(yPos - rows * cellHeight)+")");
}
// 写入表格内容
File fontFile = new File("C:\\Windows\\Fonts\\simhei.ttf"); // 字体文件路径
PDType0Font font = PDType0Font.load(document, fontFile);
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
String text = stuData[i][j];
float startX =0f;
if(j>3){
startX = xPos + 3 * cellWidth1 +(j-3)*cellWidth2;
}else{
startX = xPos + (j) * cellWidth1;
}
contentStream.beginText();
contentStream.setFont(font, 10);
contentStream.newLineAtOffset(startX +3, yPos - i * cellHeight-15); //定点写入
contentStream.showText(text);
contentStream.endText();
}
}
contentStream.close(); // 不要忘记关闭内容流
// 保存PDF
document.save("D:\\OA_Temp\\attachments\\pdf_attachs\\" + dateFormat + " table.pdf");
} catch (IOException e) {
e.printStackTrace();
} finally {
if (document != null) {
try {
document.close(); // 关闭文档
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}