itextpdf 添加印章到表格,印章可以超出表格高度
时间: 2024-05-10 08:19:16 浏览: 149
如果要让印章超出表格高度,你需要将印章添加到表格外面的位置,然后设置印章的位置坐标。具体步骤如下:
1. 首先创建一个表格对象,并添加到PDF文档中:
```
PdfPTable table = new PdfPTable(1);
document.add(table);
```
2. 然后创建一个图片对象,用于表示印章:
```
Image image = Image.getInstance("seal.jpg");
```
3. 设置图片的位置坐标,让它超出表格的范围:
```
image.setAbsolutePosition(100, 800);
```
其中,`100` 表示图片的左边距离页面左边缘的距离,`800` 表示图片的下边距离页面下边缘的距离。你可以根据实际需求调整这两个值。
4. 将图片添加到PDF文档中:
```
document.add(image);
```
这样就可以让印章超出表格的范围了。完整的代码示例:
```
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("output.pdf"));
document.open();
PdfPTable table = new PdfPTable(1);
document.add(table);
Image image = Image.getInstance("seal.jpg");
image.setAbsolutePosition(100, 800);
document.add(image);
document.close();
```
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