import lombok.Data;
import org.apache.poi.util.Units;
import org.apache.poi.xwpf.usermodel.*;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.util.List;
/**
* 动态word生成
*/
@Data
public class WordUtil {
//标题
private String tableName;
private List<Directory> directory;
@lombok.Data
static class Directory {
//目录缩进层级
private int isHierarchy;
//01 ：表格，02，文本，03附件
private String type;
//type为02时直接赋值
private String text;
//数据
private List<Data> data;
}
@lombok.Data
static class Data {
//数据
private List<String[]> values;
//水平合并单元格
private String colSpan;
//垂直合并单元格
private String rowSpan;
}
public static void Word(WordUtil map, HttpServletResponse response) throws IOException {
OutputStream outputStream = null;
try {
//创建word文档对象
XWPFDocument document = new XWPFDocument();
if (StringUtil.isNotEmpty(map.getTableName())) {
//这行代码是创建标题
XWPFParagraph title = document.createParagraph();
XWPFRun titleRun = title.createRun();
title.setAlignment(ParagraphAlignment.valueOf(STJc.INT_CENTER));
titleRun.setFontSize(20);
titleRun.setFontFamily("宋体");
titleRun.setBold(true);
titleRun.setText(map.getTableName());
titleRun.addBreak(); //换行
}
//获取数据
List<Directory> list = map.getDirectory();
if (ListUtil.isNotEmpty(list)) {
for (int i = 0; i < list.size(); i++) {
//目录缩进层级
int isHierarchy = list.get(i).getIsHierarchy();
//01 ：表格，02，文本，03附件
String type = list.get(i).getType();
String text = list.get(i).getText();
//data
List<Data> data = list.get(i).getData();
if ("01".equals(type)) {
if (ListUtil.isEmpty(data)) {
continue;
}
List<String[]> length = data.get(0).getValues();
//创建表格的第一步
XWPFTable table = document.createTable(data.size(), length.get(0).length);
CTTblPr tablePr = table.getCTTbl().addNewTblPr();
CTTblWidth width = tablePr.addNewTblW();
width.setW(BigInteger.valueOf(8000));
width.setType(STTblWidth.DXA);
for (int i1 = 0; i1 < data.size(); i1++) {
if (StringUtil.isNotEmpty(data.get(i1).getColSpan())) {
String[] colSpans = data.get(i1).getColSpan().split(",");
if (colSpans.length > 0) {
//水平合并单元格
mergeCellsHorizontal(table, Integer.parseInt(colSpans[0]), Integer.parseInt(colSpans[1]), Integer.parseInt(colSpans[2]));
}
}
if (StringUtil.isNotEmpty(data.get(i1).getRowSpan())) {
String[] rowSpans = data.get(i1).getRowSpan().split(",");;
if (rowSpans.length > 0) {
//垂直合并单元格
mergeCellsVertically(table, Integer.parseInt(rowSpans[0]), Integer.parseInt(rowSpans[1]), Integer.parseInt(rowSpans[2]));
}
}
}
//填充表格内容
for (int i1 = 0; i1 < data.size(); i1++) {
List<String[]> values = data.get(i1).getValues();
for (int i2 = 0; i2 < values.size(); i2++) {
for (int i3 = 0; i3 < values.get(i2).length; i3++) {
XWPFTableCell cell = table.getRow(i1).getCell(i3);
CTTc ctTc = cell.getCTTc();
CTP ctP = (ctTc.sizeOfPArray() == 0) ? ctTc.addNewP() : ctTc.getPArray(0);
XWPFParagraph par = cell.getParagraph(ctP);
//设置水平居中
par.setAlignment(ParagraphAlignment.CENTER);
//设置垂直居中
par.setVerticalAlignment(TextAlignment.CENTER);
CTTcPr tcpr = ctTc.addNewTcPr();
CTTblWidth cellw = tcpr.addNewTcW();
cellw.setType(STTblWidth.DXA);
int floor = (int) Math.floor(8000 / values.size());
cellw.setW(new BigInteger(String.valueOf(floor)));
String value = values.get(i2)[i3];
cell.setText(value);
//单元格插入图片使用
//setCellImage(cell,"jpg",null);
}
}
}
}
if ("02".equals(type)) {
//添加第一个段落
XWPFParagraph paragraph = document.createParagraph();
//设置之段落左对齐
paragraph.setAlignment(ParagraphAlignment.valueOf(STJc.INT_LEFT));
// ---------以上是设置整段的，以下为设置内容
XWPFRun firstRun = paragraph.createRun();
firstRun.setFontSize(12);
firstRun.setFontFamily("宋体");
for (int i1 = 1; i1 < isHierarchy; i1++) {
firstRun.addTab();
}
firstRun.setText(text);
}
if ("03".equals(type)) {
}
}
}
response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
response.setCharacterEncoding("UTF-8");
response.setHeader("content-type", "application/octet-stream");
response.setContentType("application/octet-stream");
response.setHeader("Content-Disposition", "attachment;filename=" + java.net.URLEncoder.encode("指导卡.docx", "UTF-8"));
//创建一个输出流
outputStream = response.getOutputStream();
document.write(outputStream);
} catch (Exception e) {
GlobalLogger.error("导出出现问题请排查：", e);
} finally {
if (outputStream != null) {
outputStream.close();
}
}
}
/**
* @Description: 跨列合并 水平合并单元格
* table要合并单元格的表格
* row 要合并哪一行的单元格 合并哪一行
* fromCell开始合并的单元格 合并的起点单元格
* toCell合并到哪一个单元格 合并的终点单元格
*/
public static void mergeCellsHorizontal(XWPFTable table, int row, int fromCell, int toCell) {
for (int cellIndex = fromCell; cellIndex <= toCell; cellIndex++) {
XWPFTableCell cell = table.getRow(row).getCell(cellIndex);
if (cellIndex == fromCell) {
cell.getCTTc().addNewTcPr().addNewHMerge().setVal(STMerge.RESTART);
} else {
cell.getCTTc().addNewTcPr().addNewHMerge().setVal(STMerge.CONTINUE);
}
}
}
/**
* @Description: 跨行合并 垂直合并单元格
* table要合并单元格的表格
* col要合并哪一列的单元格
* fromRow从哪一行开始合并单元格
* toRow合并到哪一个行
*/
public static void mergeCellsVertically(XWPFTable table, int col, int fromRow, int toRow) {
for (int rowIndex = fromRow; rowIndex <= toRow; rowIndex++) {
XWPFTableCell cell = table.getRow(rowIndex).getCell(col);
if (rowIndex == fromRow) {
cell.getCTTc().addNewTcPr().addNewVMerge().setVal(STMerge.RESTART);
} else {
cell.getCTTc().addNewTcPr().addNewVMerge().setVal(STMerge.CONTINUE);
}
}
}
//单元格写入图片
private static void setCellImage(XWPFTableCell cell, String type, InputStream is) throws Exception {
List<XWPFParagraph> paragraphs = cell.getParagraphs();
XWPFParagraph newPara = paragraphs.get(0);
XWPFRun imageCellRunn = newPara.createRun();
int format = 0;
if (type.endsWith("jpeg") || type.endsWith("jpg")) {
format = XWPFDocument.PICTURE_TYPE_JPEG;
} else {
format = XWPFDocument.PICTURE_TYPE_PNG;
}
imageCellRunn.addPicture(is, format, "图片名称", Units.toEMU(100), Units.toEMU(100)); // 200x200 pixels
}
}
参数如下：文章来源：https://www.toymoban.com/news/detail-695306.html
{
"tableName": "标题",
"directory": [
{
"isHierarchy": "1",
"type": "02",
"text": "一级标题"
},
{
"isHierarchy": "2",
"type": "02",
"text": "二级标题"
},
{
"isHierarchy": "3",
"type": "02",
"text": "三级标题"
},
{
"isHierarchy": "0",
"type": "02",
"text": "如果不对运行时异常进行处理，那么出现运行时异常之后，要么是线程中止，要么是主程序终止。 如果不想终止，则必须捕获所有的运行时异常，决不让这个处理线程退出。队列里面出现异常数据了，正常的处理应该是把异常数据舍弃，然后记录日志。不应该由于异常数据而影响下面对正常数据的处理。"
},
{
"type": "01",
"data": [
{
"values": [
[
"序号",
"序号",
"名称"
]
]
},
{
"values": [
[
"01",
"01",
"张三"
]
]
},
{
"values": [
[
"01",
"01",
"李四"
]
],
"colSpan":"1,0,1"
},
{
"values": [
[
"01",
"01",
"王五四"
]
],
"rowSpan":"2,2,3"
}
]
}
]
}
效果图如下：
本demo仅用于学习使用，可根据具体业务对代码进行适当整改使用。
不足之处，请留言以便完善整改。文章来源地址https://www.toymoban.com/news/detail-695306.html
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