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Hutool是一个小而全的Java工具类库,通过静态方法封装,降低相关API的学习成本,提高工作效率,使Java拥有函数式语言般的优雅,让Java语言也可以“甜甜的”。
package cn.hutool.poi.ofd;
import cn.hutool.core.io.IORuntimeException;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.io.file.PathUtil;
import org.ofdrw.font.Font;
import org.ofdrw.layout.OFDDoc;
import org.ofdrw.layout.edit.Annotation;
import org.ofdrw.layout.element.Div;
import org.ofdrw.layout.element.Img;
import org.ofdrw.layout.element.Paragraph;
import org.ofdrw.reader.OFDReader;
import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Serializable;
import java.nio.file.Path;
/**
* OFD文件生成器
*
* @author looly
* @since 5.5.3
*/
public class OfdWriter implements Serializable, Closeable {
private static final long serialVersionUID = 1L;
private final OFDDoc doc;
/**
* 构造
*
* @param file 生成的文件
*/
public OfdWriter(File file) {
this(file.toPath());
}
/**
* 构造
*
* @param file 生成的文件
*/
public OfdWriter(Path file) {
try {
if(PathUtil.exists(file, true)){
this.doc = new OFDDoc(new OFDReader(file), file);
} else{
this.doc = new OFDDoc(file);
}
} catch (IOException e) {
throw new IORuntimeException(e);
}
}
/**
* 构造
*
* @param out 需要输出的流
*/
public OfdWriter(OutputStream out) {
this.doc = new OFDDoc(out);
}
/**
* 增加文本内容
*
* @param font 字体
* @param texts 文本
* @return this
*/
public OfdWriter addText(Font font, String... texts) {
final Paragraph paragraph = new Paragraph();
if (null != font) {
paragraph.setDefaultFont(font);
}
for (String text : texts) {
paragraph.add(text);
}
return add(paragraph);
}
/**
* 追加图片
*
* @param picFile 图片文件
* @param width 宽度
* @param height 高度
* @return this
*/
public OfdWriter addPicture(File picFile, int width, int height) {
return addPicture(picFile.toPath(), width, height);
}
/**
* 追加图片
*
* @param picFile 图片文件
* @param width 宽度
* @param height 高度
* @return this
*/
public OfdWriter addPicture(Path picFile, int width, int height) {
final Img img;
try {
img = new Img(width, height, picFile);
} catch (IOException e) {
throw new IORuntimeException(e);
}
return add(img);
}
/**
* 增加节点
*
* @param div 节点,可以是段落、Canvas、Img或者填充
* @return this
*/
@SuppressWarnings("rawtypes")
public OfdWriter add(Div div) {
this.doc.add(div);
return this;
}
/**
* 增加注释,比如水印等
*
* @param page 页码
* @param annotation 节点,可以是段落、Canvas、Img或者填充
* @return this
*/
public OfdWriter add(int page, Annotation annotation) {
try {
this.doc.addAnnotation(page, annotation);
} catch (IOException e) {
throw new IORuntimeException(e);
}
return this;
}
@Override
public void close() {
IoUtil.close(this.doc);
}
}
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