docx4j生成word文档

package test5; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.math.BigInteger; import java.sql.Connection; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import java.util.List; import javax.xml.bind.JAXBElement; import org.apache.commons.lang3.StringUtils; import org.docx4j.XmlUtils; import org.docx4j.dml.wordprocessingDrawing.Inline; import org.docx4j.openpackaging.exceptions.Docx4JException; import org.docx4j.openpackaging.packages.WordprocessingMLPackage; import org.docx4j.openpackaging.parts.WordprocessingML.BinaryPartAbstractImage; import org.docx4j.openpackaging.parts.WordprocessingML.MainDocumentPart; import org.docx4j.wml.BooleanDefaultTrue; import org.docx4j.wml.Color; import org.docx4j.wml.ContentAccessor; import org.docx4j.wml.Drawing; import org.docx4j.wml.HpsMeasure; import org.docx4j.wml.Jc; import org.docx4j.wml.JcEnumeration; import org.docx4j.wml.ObjectFactory; import org.docx4j.wml.P; import org.docx4j.wml.PPr; import org.docx4j.wml.R; import org.docx4j.wml.RFonts; import org.docx4j.wml.RPr; import org.docx4j.wml.STHint; import org.docx4j.wml.STLineSpacingRule; import org.docx4j.wml.Text; import org.docx4j.wml.U; import org.docx4j.wml.UnderlineEnumeration; import org.docx4j.wml.PPrBase.Spacing; import dao.conDao; import dao.question; public class moduldocx4j{ public static ResultSet rs; public static WordprocessingMLPackage getTemplate(String name) throws Docx4JException, FileNotFoundException { WordprocessingMLPackage template = WordprocessingMLPackage.load(new FileInputStream(new File(name))); return template; } private static List<Object> getAllElementFromObject(Object obj, Class<?> toSearch) { //JAXB计算的包装器，允许你针对一个特定的类来搜索指定元素以及它所有的孩子，例如，你可以用它获取文档中所有的表格、表格中所有的行以及其它类似的操作。 List<Object> result = new ArrayList<Object>(); if (obj instanceof JAXBElement) obj = ((JAXBElement<?>) obj).getValue(); if (obj.getClass().equals(toSearch)) result.add(obj); else if (obj instanceof ContentAccessor) { List<?> children = ((ContentAccessor) obj).getContent(); for (Object child : children) { result.addAll(getAllElementFromObject(child, toSearch)); } } return result; } private void replacePlaceholder(WordprocessingMLPackage template, String name, String placeholder ) { //在前面创建的模版文档中添加一个自定义占位符，我使用SJ_EX1作为占位符，我们将要用name参数来替换这个值。 //在docx4j中基本的文本元素用org.docx4j.wml.Text类来表示，替换这个简单的占位符 List<Object> texts = getAllElementFromObject(template.getMainDocumentPart(), Text.class); for (Object text : texts) { Text textElement = (Text) text; if (textElement.getValue().equals(placeholder)) { textElement.setValue(name); } } } private static void writeDocxToStream(WordprocessingMLPackage template, String target) throws IOException, Docx4JException { File f = new File(target); template.save(f); } public static void replaceParagraph(String placeholder, String textToAdd, WordprocessingMLPackage template, ContentAccessor addTo) { // 这个需要下面的几步： // // 从模版中找到要替换的段落 // 将输入文本拆分成单独的行 // 每一行基于模版中的段落创建一个新的段落 // 移除原来的段落 // 1. get the paragraph List<Object> paragraphs = getAllElementFromObject(template.getMainDocumentPart(), P.class); P toReplace = null; for (Object p : paragraphs) { List<Object> texts = getAllElementFromObject(p, Text.class); for (Object t : texts) { Text content = (Text) t; if (content.getValue().equals(placeholder)) { toReplace = (P) p; break; } } } // we now have the paragraph that contains our placeholder: toReplace // 2. split into seperate lines String as[] = StringUtils.splitPreserveAllTokens(textToAdd, '\n'); for (int i = 0; i < as.length; i++) { String ptext = as[i]; // 3. copy the found paragraph to keep styling correct P copy = (P) XmlUtils.deepCopy(toReplace); // replace the text elements from the copy List<?> texts = getAllElementFromObject(copy, Text.class); if (texts.size() > 0) { Text textToReplace = (Text) texts.get(0); textToReplace.setValue(ptext); } // add the paragraph to the document addTo.getContent().add(copy); } // 4. remove the original one ((ContentAccessor)toReplace.getParent()).getContent().remove(toReplace); } /** * Docx4j拥有一个由字节数组创建图片部件的工具方法, 随后将其添加到给定的包中. 为了能将图片添加 * 到一个段落中, 我们需要将图片转换成内联对象. 这也有一个方法, 方法需要文件名提示, 替换文本, * 两个id标识符和一个是嵌入还是链接到的指示作为参数. * 一个id用于文档中绘图对象不可见的属性, 另一个id用于图片本身不可见的绘制属性. 最后我们将内联 * 对象添加到段落中并将段落添加到包的主文档部件. * * @param wordMLPackage 要添加图片的包 * @param bytes 图片对应的字节数组 * @throws Exception 不幸的createImageInline方法抛出一个异常(没有更多具体的异常类型) */ private static void addImageToPackage(WordprocessingMLPackage wordMLPackage, byte[] bytes) throws Exception { BinaryPartAbstractImage imagePart = BinaryPartAbstractImage.createImagePart(wordMLPackage, bytes); int docPrId = 1; int cNvPrId = 2; Inline inline = imagePart.createImageInline("Filename hint","Alternative text", docPrId, cNvPrId, false); P paragraph = addInlineImageToParagraph(inline); wordMLPackage.getMainDocumentPart().addObject(paragraph); } /** * 创建一个对象工厂并用它创建一个段落和一个可运行块R. * 然后将可运行块添加到段落中. 接下来创建一个图画并将其添加到可运行块R中. 最后我们将内联 * 对象添加到图画中并返回段落对象. * * @param inline 包含图片的内联对象. * @return 包含图片的段落 */ private static P addInlineImageToParagraph(Inline inline) { // 添加内联对象到一个段落中 ObjectFactory factory = new ObjectFactory(); P paragraph = factory.createP(); R run = factory.createR(); paragraph.getContent().add(run); Drawing drawing = factory.createDrawing(); run.getContent().add(drawing); drawing.getAnchorOrInline().add(inline); return paragraph; } /** * 将图片从文件对象转换成字节数组. * * @param file 将要转换的文件 * @return 包含图片字节数据的字节数组 * @throws FileNotFoundException * @throws IOException */ private static byte[] convertImageToByteArray(File file) throws FileNotFoundException, IOException { InputStream is = new FileInputStream(file ); long length = file.length(); // 不能使用long类型创建数组, 需要用int类型. if (length > Integer.MAX_VALUE) { System.out.println("File too large!!"); } byte[] bytes = new byte[(int)length]; int offset = 0; int numRead = 0; while (offset < bytes.length && (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) { offset += numRead; } // 确认所有的字节都没读取 if (offset < bytes.length) { System.out.println("Could not completely read file " +file.getName()); } is.close(); return bytes; } /** * @param jcEnumeration * 对齐方式 * @param isSpace * 是否设置段前段后值 * @param before * 段前磅数 * @param after * 段后磅数 * @param beforeLines *