快速入门
快速入门
本指南将逐步演示从安装到使用 Aspose.Slides FOSS 为 Java 保存 .pptx 文件的过程。该库采用 MIT 许可证,不依赖 Microsoft Office,且可在任何支持 Java 21 或更高版本的平台上运行。
先决条件
| 需求 | 细节 |
|---|---|
| Java | 21 或更高 |
| OS | Windows、macOS、Linux、Docker |
| Package | aspose-slides-foss 来自 Maven Central |
Install
将 Maven 依赖添加到你的 pom.xml。在 try-with-resources 块中包装 Presentation;块退出时,库会释放内部文件句柄:
<dependency>
<groupId>org.aspose</groupId>
<artifactId>aspose-slides-foss</artifactId>
<version>26.7.0</version>
</dependency>创建演示文稿
构造一个 Presentation(不带参数)以创建一个空白演示文稿。生成的对象会以一张可直接使用的空白幻灯片开始。使用输出文件路径调用 save():
import org.aspose.slides.foss.Presentation;
try (Presentation prs = new Presentation()) {
prs.save("empty.pptx");
}添加带文本的形状
通过 getSlides().get(0) 访问第一张幻灯片,使用 getShapes().addAutoShape() 插入矩形,然后通过 addTextFrame() 添加文本:
import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ISlide;
import org.aspose.slides.foss.ISlideCollection;
import org.aspose.slides.foss.IAutoShape;
import org.aspose.slides.foss.ITextFrame;
import org.aspose.slides.foss.IPortionFormat;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.NullableBool;
try (Presentation prs = new Presentation()) {
ISlideCollection slides = prs.getSlides();
ISlide slide = slides.get(0);
IAutoShape shape = slide.getShapes().addAutoShape(
ShapeType.RECTANGLE, 50, 50, 400, 150
);
ITextFrame tf = shape.addTextFrame("Hello from Aspose.Slides FOSS!");
IPortionFormat fmt = tf.getParagraphs().get(0).getPortions().get(0).getPortionFormat();
fmt.setFontHeight(24);
fmt.setFontBold(NullableBool.TRUE);
prs.save("with_shape.pptx");
}应用纯色填充
在形状的填充格式上设置 setFillType(FillType.SOLID),并通过 getSolidFillColor().setColor(new Color(r, g, b)) 提供颜色:
import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ISlide;
import org.aspose.slides.foss.ISlideCollection;
import org.aspose.slides.foss.IAutoShape;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.FillType;
import org.aspose.slides.foss.drawing.Color;
try (Presentation prs = new Presentation()) {
ISlideCollection slides0 = prs.getSlides();
ISlide slide0 = slides0.get(0);
IAutoShape shape = slide0.getShapes().addAutoShape(
ShapeType.RECTANGLE, 100, 100, 400, 200
);
shape.getFillFormat().setFillType(FillType.SOLID);
shape.getFillFormat().getSolidFillColor().setColor(new Color(70, 130, 180));
shape.addTextFrame("Styled shape");
prs.save("styled.pptx");
}加载已有文件
将文件路径传递给 Presentation 构造函数,以打开已有的 .pptx 文件。读取幻灯片数量,根据需要修改演示文稿,然后调用 save() 写入输出:
import org.aspose.slides.foss.Presentation;
try (Presentation prs = new Presentation("existing.pptx")) {
System.out.println("Slides: " + prs.getSlides().size());
prs.save("copy.pptx");
}