基于poi3.14做的excel(.xlsx)转html的功能

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由于业务需求,需要实现一个表格转网页的接口。限于时间,从apache的官方例子SVN了一份相关代码作为起草。

调试点包括:颜色兼容问题、单元格合并、文字不能换行bug、单元格宽度精准计算(通过字体)。
乱码问题:统一以GBK格式输出即可,见测试代码

修复Bug :
单元格绘制异常(2016/9/6):增加了一个HashSet存放没有值的点。默认打印一个TD。另外(x,y)也校正了,原来的x对应row,现对应colum。
更新(2016/9/7):
支持隐藏CELL。字体样式优化了。补充了CELL内回车支持。
更新:(2016/9/11)
支持读取每个CELL里的richString。修复了垂直高度的BUG。不再支持XLS,,唯一支持XLSX。


说明 :
只输出打开EXCELL看到的sheet。
表格左上边框代码已被注掉需要的自行添加。
XSSF下的color 的 rgba的中a 我是用color.index(隐bug,应该有误)。由于getARGB方法调试失败就敷衍了下,以防数组越界。
row.getLastCellNum()的方法默认+1,防坑 .
在计算宽度的时候先计算当前字体的宽高。注意使用pt。分清pt与px的概念。
width = cell.getSheet().getColumnWidth(cell.getColumnIndex())/256*font.getFontHeight()/20+"pt"

关于单元合合并、重点说下思路:
首先将所有的单元格视为Point点,x为RawNum,y为columNum。将merged(被合并的格子),以(x,y)的形式存放进HashSet。
然后再进行分类:合并的Cell只需要渲染一次,其余的不必渲染(打印td)。
由于单元合合并,可能有的行所有的cell都为null,注意此时补一个<td > &nbsp;</td>。以防少显示一行。
调试后如下。

测试代码如下

package test;import java.io.File;import java.io.IOException;import java.io.PrintWriter;import org.apache.poi.ss.html.modified.ToHtml;public class Tohtml {public static void main(String[] args) throws IOException {//!!以GBK输出     ToHtml toHtml = ToHtml.create("C:\\Users\\Administrator.R1CB3GIDDYDKUPO\\Desktop\\工作流.xlsx", new PrintWriter(new File("D:\\out.html"),"gbk"));     toHtml.setCompleteHTML(true);     toHtml.printPage();}}

主要功能代码

package org.apache.poi.ss.html.modifie;import static org.apache.poi.ss.usermodel.CellStyle.ALIGN_CENTER;import static org.apache.poi.ss.usermodel.CellStyle.ALIGN_CENTER_SELECTION;import static org.apache.poi.ss.usermodel.CellStyle.ALIGN_FILL;import static org.apache.poi.ss.usermodel.CellStyle.ALIGN_GENERAL;import static org.apache.poi.ss.usermodel.CellStyle.ALIGN_JUSTIFY;import static org.apache.poi.ss.usermodel.CellStyle.ALIGN_LEFT;import static org.apache.poi.ss.usermodel.CellStyle.ALIGN_RIGHT;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_DASHED;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_DASH_DOT;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_DASH_DOT_DOT;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_DOTTED;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_DOUBLE;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_HAIR;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_MEDIUM;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_MEDIUM_DASHED;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_MEDIUM_DASH_DOT;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_MEDIUM_DASH_DOT_DOT;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_NONE;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_SLANTED_DASH_DOT;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_THICK;import static org.apache.poi.ss.usermodel.CellStyle.BORDER_THIN;import static org.apache.poi.ss.usermodel.CellStyle.VERTICAL_BOTTOM;import static org.apache.poi.ss.usermodel.CellStyle.VERTICAL_CENTER;import static org.apache.poi.ss.usermodel.CellStyle.VERTICAL_TOP;import java.io.BufferedReader;import java.io.Closeable;import java.io.FileInputStream;import java.io.FileWriter;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.PrintWriter;import java.util.Formatter;import java.util.HashMap;import java.util.HashSet;import java.util.Iterator;import java.util.Map;import java.util.Set;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFFont;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.openxml4j.exceptions.InvalidFormatException;import org.apache.poi.ss.format.CellFormat;import org.apache.poi.ss.format.CellFormatResult;import org.apache.poi.ss.usermodel.Cell;import org.apache.poi.ss.usermodel.CellStyle;import org.apache.poi.ss.usermodel.Font;import org.apache.poi.ss.usermodel.RichTextString;import org.apache.poi.ss.usermodel.Row;import org.apache.poi.ss.usermodel.Sheet;import org.apache.poi.ss.usermodel.Workbook;import org.apache.poi.ss.usermodel.WorkbookFactory;import org.apache.poi.ss.util.CellAddress;import org.apache.poi.ss.util.CellRangeAddress;import org.apache.poi.xssf.usermodel.XSSFFont;import org.apache.poi.xssf.usermodel.XSSFRichTextString;import org.apache.poi.xssf.usermodel.XSSFWorkbook;import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTRElt;/** * This example shows how to display a spreadsheet in HTML using the classes for * spreadsheet display. * * @author Ken Arnold, Industrious Media LLC */public class ToHtml {    private final Workbook wb;    private final Appendable output;    private boolean completeHTML;    private Formatter out;    private boolean gotBounds;    private int firstColumn;    private int endColumn;    private HtmlHelper helper;    private HashSet<String> cell_merged= new HashSet<String>();//String = (x,y)    private HashSet<String> cell_hasValue= new HashSet<String>();//String = (x,y)    private HashSet<String> cell_hidden = new HashSet<String>();//String=(x,y);    private Map<String,String> cell_merged_print= new HashMap<String,String>();//String1 = (x,y),String2=rowspan,colspan//private int rowspan;    private static final String DEFAULTS_CLASS = "excelDefaults";    private static final String COL_HEAD_CLASS = "colHeader";    private static final String ROW_HEAD_CLASS = "rowHeader";    private static final Map<Short, String> ALIGN = mapFor(ALIGN_LEFT, "left",            ALIGN_CENTER, "center", ALIGN_RIGHT, "right", ALIGN_FILL, "left",            ALIGN_JUSTIFY, "left", ALIGN_CENTER_SELECTION, "center");    private static final Map<Short, String> VERTICAL_ALIGN = mapFor(            VERTICAL_BOTTOM, "bottom", VERTICAL_CENTER, "middle", VERTICAL_TOP,            "top");    private static final Map<Short, String> BORDER = mapFor(BORDER_DASH_DOT,            "dashed 1pt", BORDER_DASH_DOT_DOT, "dashed 1pt", BORDER_DASHED,            "dashed 1pt", BORDER_DOTTED, "dotted 1pt", BORDER_DOUBLE,            "double 1pt", BORDER_HAIR, "solid 1px", BORDER_MEDIUM, "solid 1pt",            BORDER_MEDIUM_DASH_DOT, "dashed 1pt", BORDER_MEDIUM_DASH_DOT_DOT,            "dashed 1pt", BORDER_MEDIUM_DASHED, "dashed 1pt", BORDER_NONE,            "none", BORDER_SLANTED_DASH_DOT, "dashed 1pt", BORDER_THICK,            "solid 1pt", BORDER_THIN, "dashed 1pt");    @SuppressWarnings({"unchecked"})    private static <K, V> Map<K, V> mapFor(Object... mapping) {        Map<K, V> map = new HashMap<K, V>();        for (int i = 0; i < mapping.length; i += 2) {            map.put((K) mapping[i], (V) mapping[i + 1]);        }        return map;    }    /**     * Creates a new converter to HTML for the given workbook.     *     * @param wb     The workbook.     * @param output Where the HTML output will be written.     *     * @return An object for converting the workbook to HTML.     */    public static ToHtml create(Workbook wb, Appendable output) {        return new ToHtml(wb, output);    }    /**     * Creates a new converter to HTML for the given workbook.  If the path ends     * with "<tt>.xlsx</tt>" an {@link XSSFWorkbook} will be used; otherwise     * this will use an {@link HSSFWorkbook}.     *     * @param path   The file that has the workbook.     * @param output Where the HTML output will be written.     *     * @return An object for converting the workbook to HTML.     */    public static ToHtml create(String path, Appendable output)            throws IOException {        return create(new FileInputStream(path), output);    }    /**     * Creates a new converter to HTML for the given workbook.  This attempts to     * detect whether the input is XML (so it should create an {@link     * XSSFWorkbook} or not (so it should create an {@link HSSFWorkbook}).     *     * @param in     The input stream that has the workbook.     * @param output Where the HTML output will be written.     *     * @return An object for converting the workbook to HTML.     */    public static ToHtml create(InputStream in, Appendable output)            throws IOException {        try {            Workbook wb = WorkbookFactory.create(in);            return create(wb, output);        } catch (InvalidFormatException e){            throw new IllegalArgumentException("Cannot create workbook from stream", e);        }    }    private ToHtml(Workbook wb, Appendable output) {        if (wb == null)            throw new NullPointerException("wb");        if (output == null)            throw new NullPointerException("output");        this.wb = wb;        this.output = output;    }    /**     * Run this class as a program     *     * @param args The command line arguments.     *     * @throws Exception Exception we don't recover from.     */    public static void main(String[] args) throws Exception {        if(args.length < 2){            System.err.println("usage: ToHtml inputWorkbook outputHtmlFile");            return;        }        ToHtml toHtml = create(args[0], new PrintWriter(new FileWriter(args[1])));        toHtml.setCompleteHTML(true);        toHtml.printPage();    }    public void setCompleteHTML(boolean completeHTML) {        this.completeHTML = completeHTML;    }    public void printPage() throws IOException {        try {            ensureOut();            if (completeHTML) {                out.format(                        "<?xml version=\"1.0\" encoding=\"GBK\" ?>%n");                out.format("<html>%n");                out.format("<head>%n");                out.format("</head>%n");                out.format("<body>%n");            }            print();            if (completeHTML) {                out.format("</body>%n");                out.format("</html>%n");            }        } finally {            if (out != null)                out.close();            if (output instanceof Closeable) {                Closeable closeable = (Closeable) output;                closeable.close();            }        }    }    public void print() {        printInlineStyle();        printSheets();    }    private void printInlineStyle() {        //out.format("<link href=\"excelStyle.css\" rel=\"stylesheet\" type=\"text/css\">%n");        out.format("<style type=\"text/css\">%n");        printStyles();        out.format("</style>%n");    }    private void ensureOut() {        if (out == null)            out = new Formatter(output);    }    public void printStyles() {        ensureOut();        // First, copy the base css        BufferedReader in = null;        try {            in = new BufferedReader(new InputStreamReader(                    getClass().getResourceAsStream("excelStyle.css")));            String line;            while ((line = in.readLine()) != null) {                out.format("%s%n", line);            }        } catch (IOException e) {            throw new IllegalStateException("Reading standard css", e);        } finally {            if (in != null) {                try {                    in.close();                } catch (IOException e) {                    //noinspection ThrowFromFinallyBlock                    throw new IllegalStateException("Reading standard css", e);                }            }        }        // now add css for each used style        Set<CellStyle> seen = new HashSet<CellStyle>();        for (int i = 0; i < wb.getNumberOfSheets(); i++) {            Sheet sheet = wb.getSheetAt(i);            Iterator<Row> rows = sheet.rowIterator();            while (rows.hasNext()) {                Row row = rows.next();                for (Cell cell : row) {                    CellStyle style = cell.getCellStyle();                    if (!seen.contains(style)) {                        printStyle(style);                        seen.add(style);                    }                }            }        }    }    private void printStyle(CellStyle style) {        out.format(".%s .%s {%n", DEFAULTS_CLASS, styleName(style));        styleContents(style);        out.format("}%n");    }    private void styleContents(CellStyle style) {        styleOut("text-align", style.getAlignment(), ALIGN);        styleOut("vertical-align", style.getVerticalAlignment(), VERTICAL_ALIGN);        fontStyle(style);       // borderStyles(style);        helper  =new XSSFHtmlHelper((XSSFWorkbook) wb);        helper.colorStyles(style, out);    }    private void borderStyles(CellStyle style) {        out.format("border-left:%s;%n", "solid 1px");        out.format("border-right:%s;%n", "solid 1px");        out.format("border-top:%s;%n", "solid 1px");        out.format("border-bottom:%s;%n", "solid 1px");    }    private String fontStyleDetail(Font font){    StringBuffer buf = new StringBuffer("");XSSFFont font1 = (XSSFFont)font;if(!(font1.getXSSFColor()==null||font1.getXSSFColor().isAuto()))buf.append("color:#"+font1.getXSSFColor().getARGBHex().substring(2)+";");     if (font.getBold()){     buf.append("font-weight: bold;");     }else{     buf.append("font-weight: normal;");     }          if(font.getItalic())     buf.append("font-style:italic;");     buf.append("font-family:"+font.getFontName()+";");     buf.append("font-size:"+font.getFontHeightInPoints()+"pt;");     return buf.toString();    }        private void fontStyle(CellStyle style) {        Font font = wb.getFontAt(style.getFontIndex());        if (font.getBold())            out.format("  font-weight: bold;%n");        if (font.getItalic()){        out.format("  font-style: italic;%n");        }        out.format("  font-family: %s;%n",font.getFontName());         int fontheight = font.getFontHeightInPoints();        if (fontheight == 9) {            //fix for stupid ol Windows            fontheight = 10;        }        out.format("  font-size: %dpt;%n", fontheight);                // Font color is handled with the other colors    }    private String styleName(CellStyle style) {        if (style == null)            style = wb.getCellStyleAt((short) 0);        StringBuilder sb = new StringBuilder();        Formatter fmt = new Formatter(sb);        fmt.format("style_%02x", style.getIndex());        return fmt.toString();    }    private <K> void styleOut(String attr, K key, Map<K, String> mapping) {        String value = mapping.get(key);        if (value != null) {            out.format("  %s: %s;%n", attr, value);        }    }    private static int ultimateCellType(Cell c) {        int type = c.getCellType();        if (type == Cell.CELL_TYPE_FORMULA)            type = c.getCachedFormulaResultType();        return type;    }    private void printSheets() {        ensureOut();        Sheet sheet = wb.getSheetAt(wb.getFirstVisibleTab());        ensureColumnBounds(sheet);        saprateCells(sheet);        printSheet(sheet);    }   public void printSheet(Sheet sheet) {        ensureOut();        float width = 0f;        //计算表格长度        for(int i=firstColumn;i<endColumn;i++){        width+=sheet.getColumnWidthInPixels(i);        }               out.format("<div align=\"center\"><table class=%s cellspacing=\"0\" border=\"1\" cellpadding=\"0\" style=\"word-break:break-all;width:"+width+"px \">%n", DEFAULTS_CLASS);        printCols(sheet);        printSheetContent(sheet);        out.format("</table>%n</div>%n");    }    private void printCols(Sheet sheet) {        out.format("<col/>%n");        for (int i = firstColumn; i < endColumn; i++) {            out.format("<col/>%n");        }    }    private void ensureColumnBounds(Sheet sheet) {        if (gotBounds)            return;                Iterator<Row> iter = sheet.rowIterator();        firstColumn = (iter.hasNext() ? Integer.MAX_VALUE : 0);        endColumn = 0;        while (iter.hasNext()) {            Row row = iter.next();            short firstCell = row.getFirstCellNum();            if (firstCell >= 0) {                firstColumn = Math.min(firstColumn, firstCell);                endColumn = Math.max(endColumn, row.getLastCellNum());            }        }        gotBounds = true;    }   /* private void printColumnHeads() {        out.format("<thead>%n");        out.format("  <tr class=%s>%n", COL_HEAD_CLASS);        out.format("    <th class=%s>◊</th>%n", COL_HEAD_CLASS);        //noinspection UnusedDeclaration        StringBuilder colName = new StringBuilder();        for (int i = firstColumn; i < endColumn; i++) {            colName.setLength(0);            int cnum = i;            do {                colName.insert(0, (char) ('A' + cnum % 26));                cnum /= 26;            } while (cnum > 0);            out.format("    <th class=%s>%s</th>%n", COL_HEAD_CLASS, colName);        }        out.format("  </tr>%n");        out.format("</thead>%n");    }*/    private void printSheetContent(Sheet sheet) {        //printColumnHeads();        out.format("<tbody>%n");        sheet.getActiveCell();              //Iterator<Row> rows = sheet.rowIterator();        for(int num=sheet.getFirstRowNum();num<=sheet.getLastRowNum();num++) {            Row row = sheet.getRow(num);            if(row==null){            out.format("<tr><td >  </td></tr>%n");            continue;            }            if(row.getZeroHeight())            continue;            out.format("  <tr style=\"height:+"+row.getHeightInPoints()+"pt;\">%n");            for(int j = firstColumn;j<endColumn;j++){            String content = " ";            String attrs = "";            CellStyle style = null;            String point = "("+j+","+num+")";            if(cell_hidden.contains(point))            continue;            if(!cell_hasValue.contains(point)){             out.format("    <td class=%s %s>%s</td>%n", styleName(style),                             attrs, content);             continue;            }            Cell cell = row.getCell(j);                if (shouldPrint(cell)) {                    style = cell.getCellStyle();                    attrs = tagStyle(cell, style);                                        try {XSSFRichTextString rich = (XSSFRichTextString)cell.getRichStringCellValue();StringBuffer contents = new StringBuffer("");if(rich.hasFormatting()){int startIndex = 0; for(CTRElt ct : rich.getCTRst().getRList()){XSSFFont font =rich.getFontAtIndex(startIndex);startIndex += ct.getT().length();contents.append("<font style=\""+fontStyleDetail(font)+" \">"+ct.getT()+"</font>") ;}content = contents.toString();}else{content = rich.getString();}} catch (Exception e) { CellFormat cf;                    if(style.getDataFormatString()!=null){                     cf = CellFormat.getInstance(                                 style.getDataFormatString());                    }else{                     cf = CellFormat.getInstance(                                "General");                    }                    CellFormatResult result = cf.apply(cell);                    content = result.text;}                                                          if (content.equals(""))                        content = " ";                    out.format("    <td class=%s %s>%s</td>%n", styleName(style),                            attrs, content.replaceAll("\\n", "<br/>"));                }            }            out.format("  </tr>%n");        }        out.format("</tbody>%n");    }    private boolean shouldPrint(Cell cell){       String point = "("+cell.getAddress().getColumn()+","+cell.getAddress().getRow()+")";    if(cell_merged.contains(point)){    //不是第一次渲染则不渲染    if(!cell_merged_print.containsKey(point)){    return false;    }else{    //cell.getSheet().autoSizeColumn(cell.getAddress().getColumn());    }        }return true;    }    private String tagStyle(Cell cell, CellStyle style) {    //调整align    StringBuffer buf = new StringBuffer("style=\"");        //调整宽度       // String width = cell.getSheet().getColumnWidthInPixels(cell.getColumnIndex())+"px;";        Font font = wb.getFontAt(style.getFontIndex());        String width = cell.getSheet().getColumnWidth(cell.getColumnIndex())/256*font.getFontHeight()/20+"pt";//通过字体大小计算Cell宽度        buf.append("width:"+width);        buf.append("\" ");        String point = "("+cell.getAddress().getColumn()+","+cell.getAddress().getRow()+")";        if(cell_merged_print.containsKey(point)){        String[] str = cell_merged_print.get(point).split(",");        int rowspan =Integer.parseInt(str[0]);        int colspan =Integer.parseInt(str[1]);        if(rowspan>1)buf.append("rowspan=\""+rowspan+"\" ");        if(colspan>1)buf.append("colspan=\""+colspan+"\" ");        }               return buf.toString();    }    /**     * 用于分组全并的单元格,与其中要打印的单元格     * @author liuyizhi     * */    private void saprateCells(Sheet sheet) {for(CellRangeAddress addr :sheet.getMergedRegions()){ int rowspan = addr.getLastRow()-addr.getFirstRow()+1; int colspan = addr.getLastColumn()-addr.getFirstColumn()+1;for(int x=addr.getFirstColumn();x<=addr.getLastColumn();x++)for(int y=addr.getFirstRow();y<=addr.getLastRow();y++){cell_merged.add("("+x+","+y+")"); if(x==addr.getFirstColumn()&&y==addr.getFirstRow())cell_merged_print.put("("+x+","+y+")",rowspan+","+colspan);}}//过滤隐藏的列for(int i= firstColumn;i<endColumn;i++){if(sheet.isColumnHidden(i))for(int j = sheet.getFirstRowNum();j<=sheet.getLastRowNum();j++)cell_hidden.add("("+i+","+j+")");}//过滤有值的cellIterator<Row> iter = sheet.rowIterator();while(iter.hasNext()){Row row = iter.next();for(int i = row.getFirstCellNum();i<row.getLastCellNum();i++){Cell cell = row.getCell(i);if(cell ==null)continue;CellAddress address = cell.getAddress();cell_hasValue.add("("+address.getColumn()+","+address.getRow()+")");}}}}


依赖代码1

import org.apache.poi.ss.usermodel.CellStyle;import java.util.Formatter;/** * This interface is used where code wants to be independent of the workbook * formats.  If you are writing such code, you can add a method to this * interface, and then implement it for both HSSF and XSSF workbooks, letting * the driving code stay independent of format. * * @author Ken Arnold, Industrious Media LLC */public interface HtmlHelper {    /**     * Outputs the appropriate CSS style for the given cell style.     *     * @param style The cell style.     * @param out   The place to write the output.     */    void colorStyles(CellStyle style, Formatter out);}
依赖代码2

package org.apache.poi.ss.html.modifie;import java.util.Formatter;import java.util.Map;import org.apache.poi.hssf.util.HSSFColor;import org.apache.poi.ss.usermodel.CellStyle;import org.apache.poi.xssf.usermodel.XSSFCellStyle;import org.apache.poi.xssf.usermodel.XSSFColor;import org.apache.poi.xssf.usermodel.XSSFWorkbook;/** * Implementation of {@link HtmlHelper} for XSSF files. * * @author Ken Arnold, Industrious Media LLC */public class XSSFHtmlHelper implements HtmlHelper {    private final XSSFWorkbook wb;   private static final Map<Integer, HSSFColor> colors = HSSFColor.getIndexHash();   // private static final Map<Integer, HSSFColor> colors = new XSSFColor().;    public XSSFHtmlHelper(XSSFWorkbook wb) {        this.wb = wb;    }    public void colorStyles(CellStyle style, Formatter out) {        XSSFCellStyle cs = (XSSFCellStyle) style;        styleColor(out, "background-color", cs.getFillForegroundXSSFColor());        styleColor(out, "color", cs.getFont().getXSSFColor());//#00b050    }    private void styleColor(Formatter out, String attr, XSSFColor color) {        if (color == null || color.isAuto())            return;       /* byte[] rgb = color.getRGB();        if (rgb == null) {            return;        }*/        out.format(" %s:#%s;%n",attr, color.getARGBHex().substring(2));        // This is done twice -- rgba is new with CSS 3, and browser that don't        // support it will ignore the rgba specification and stick with the        // solid color, which is declared first       // out.format("  %s: #%02x%02x%02x;%n", attr, rgb[0], rgb[1], rgb[2]);/*        out.format("  %s: rgba(0x%02x, 0x%02x, 0x%02x, 0x%02x);%n", attr,color.g        rgb[3], rgb[0], rgb[1], rgb[2] );*/    }    }


excelStyle.css //默认样式

/* * This is the default style sheet for html generated by ToHtml * * @author Ken Arnold, Industrious Media LLC */.excelDefaults {background-color: white;color: black;text-decoration: none;direction: ltr;text-transform: none;text-indent: 0;letter-spacing: 0;word-spacing: 0;white-space: normal;unicode-bidi: normal;background-image: none;text-shadow: none;list-style-image: none;list-style-type: none;padding: 0;margin: 0;border-collapse: collapse;font-style: normal;font-family: 宋体;font-variant: normal;font-weight: normal;font-size: 10pt;text-align: left;}.excelDefaults td {/*padding: 1px 5px;*/border: 1;}.excelDefaults .colHeader {background-color: silver;font-weight: bold;border: 1px solid black;text-align: center;padding: 1px 5px;}.excelDefaults .rowHeader {background-color: silver;font-weight: bold;border: 1px solid black;text-align: right;padding: 1px 5px;}


Pom依赖

  <dependencies>  <!-- https://mvnrepository.com/artifact/org.apache.poi/poi --><dependency>    <groupId>org.apache.poi</groupId>    <artifactId>poi</artifactId>    <version>3.14</version></dependency>  <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml-schemas --><dependency>    <groupId>org.apache.poi</groupId>    <artifactId>poi-ooxml-schemas</artifactId>    <version>3.13</version></dependency><!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml --><dependency>    <groupId>org.apache.poi</groupId>    <artifactId>poi-ooxml</artifactId>    <version>3.14</version></dependency><!-- https://mvnrepository.com/artifact/org.apache.poi/ooxml-schemas --><dependency>    <groupId>org.apache.poi</groupId>    <artifactId>ooxml-schemas</artifactId>    <version>1.3</version></dependency>  </dependencies>





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