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Hutool POI工具类(对MS Office操作)
package cn.hutool.poi.word;
import java.awt.Font;
import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.poi.xwpf.usermodel.ParagraphAlignment;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.io.IORuntimeException;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.lang.Assert;
import cn.hutool.core.util.ArrayUtil;
/**
* Word生成器
*
* @author looly
* @since 4.4.1
*/
public class Word07Writer implements Closeable {
private XWPFDocument doc;
/** 目标文件 */
protected File destFile;
/** 是否被关闭 */
protected boolean isClosed;
// -------------------------------------------------------------------------- Constructor start
public Word07Writer() {
this(new XWPFDocument());
}
/**
* 构造
*
* @param destFile 写出的文件
*/
public Word07Writer(File destFile) {
this(DocUtil.create(destFile), destFile);
}
/**
* 构造
*
* @param doc {@link XWPFDocument}
*/
public Word07Writer(XWPFDocument doc) {
this(doc, null);
}
/**
* 构造
*
* @param doc {@link XWPFDocument}
* @param destFile 写出的文件
*/
public Word07Writer(XWPFDocument doc, File destFile) {
this.doc = doc;
this.destFile = destFile;
}
// -------------------------------------------------------------------------- Constructor end
/**
* 获取{@link XWPFDocument}
*
* @return {@link XWPFDocument}
*/
public XWPFDocument getDoc() {
return this.doc;
}
/**
* 设置写出的目标文件
*
* @param destFile 目标文件
* @return this
*/
public Word07Writer setDestFile(File destFile) {
this.destFile = destFile;
return this;
}
/**
* 增加一个段落
*
* @param font 字体信息{@link Font}
* @param texts 段落中的文本,支持多个文本作为一个段落
* @return this
*/
public Word07Writer addText(Font font, String... texts) {
return addText(null, font, texts);
}
/**
* 增加一个段落
*
* @param align 段落对齐方式{@link ParagraphAlignment}
* @param font 字体信息{@link Font}
* @param texts 段落中的文本,支持多个文本作为一个段落
* @return this
*/
public Word07Writer addText(ParagraphAlignment align, Font font, String... texts) {
final XWPFParagraph p = this.doc.createParagraph();
if (null != align) {
p.setAlignment(align);
}
if (ArrayUtil.isNotEmpty(texts)) {
XWPFRun run;
for (String text : texts) {
run = p.createRun();
run.setText(text);
if (null != font) {
run.setFontFamily(font.getFamily());
run.setFontSize(font.getSize());
run.setBold(font.isBold());
run.setItalic(font.isItalic());
}
}
}
return this;
}
/**
* 将Excel Workbook刷出到预定义的文件
* 如果用户未自定义输出的文件,将抛出{@link NullPointerException}
* 预定义文件可以通过{@link #setDestFile(File)} 方法预定义,或者通过构造定义
*
* @return this
* @throws IORuntimeException IO异常
*/
public Word07Writer flush() throws IORuntimeException {
return flush(this.destFile);
}
/**
* 将Excel Workbook刷出到文件
* 如果用户未自定义输出的文件,将抛出{@link NullPointerException}
*
* @param destFile 写出到的文件
* @return this
* @throws IORuntimeException IO异常
*/
public Word07Writer flush(File destFile) throws IORuntimeException {
Assert.notNull(destFile, "[destFile] is null, and you must call setDestFile(File) first or call flush(OutputStream).");
return flush(FileUtil.getOutputStream(destFile), true);
}
/**
* 将Word Workbook刷出到输出流
*
* @param out 输出流
* @return this
* @throws IORuntimeException IO异常
*/
public Word07Writer flush(OutputStream out) throws IORuntimeException {
return flush(out, false);
}
/**
* 将Word Document刷出到输出流
*
* @param out 输出流
* @param isCloseOut 是否关闭输出流
* @return this
* @throws IORuntimeException IO异常
*/
public Word07Writer flush(OutputStream out, boolean isCloseOut) throws IORuntimeException {
Assert.isFalse(this.isClosed, "WordWriter has been closed!");
try {
this.doc.write(out);
out.flush();
} catch (IOException e) {
throw new IORuntimeException(e);
} finally {
if (isCloseOut) {
IoUtil.close(out);
}
}
return this;
}
/**
* 关闭Word文档
* 如果用户设定了目标文件,先写出目标文件后给关闭工作簿
*/
@Override
public void close() {
if (null != this.destFile) {
flush();
}
closeWithoutFlush();
}
/**
* 关闭Word文档但是不写出
*/
protected void closeWithoutFlush() {
IoUtil.close(this.doc);
this.isClosed = true;
}
}
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