Excel表格转html
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFColor;
import org.apache.poi.xssf.usermodel.XSSFFont;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import java.io.*;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
public class PoiExcelToHtml {
public static void main(String[] args) {
readExcelToHtml("/Users/ZYB/Downloads/2017张勇波工作总结的副本.xls", "/Users/ZYB/Downloads/index2.html", true);
}
public static String readExcelToHtml(String filePath, String htmlPositon, boolean isWithStyle) {
InputStream is = null;
String htmlExcel = null;
try {
File sourcefile = new File(filePath);
is = new FileInputStream(sourcefile);
Workbook wb = WorkbookFactory.create(is);
if (wb instanceof XSSFWorkbook) {
XSSFWorkbook xWb = (XSSFWorkbook) wb;
htmlExcel = getExcelInfo(xWb, isWithStyle);
} else if (wb instanceof HSSFWorkbook) {
HSSFWorkbook hWb = (HSSFWorkbook) wb;
htmlExcel = getExcelInfo(hWb, isWithStyle);
}
writeFile(htmlExcel, htmlPositon);
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return htmlPositon;
}
private static String getExcelInfo(Workbook wb, boolean isWithStyle) {
StringBuffer sb = new StringBuffer();
Sheet sheet = wb.getSheetAt(0);
int lastRowNum = sheet.getLastRowNum();
Map<String, String> map[] = getRowSpanColSpanMap(sheet);
sb.append("<table style='word-break:break-all;border-collapse:collapse;table-layout: fixed;' width='100%'>");
Row row;
Cell cell;
for (int rowNum = sheet.getFirstRowNum(); rowNum <= lastRowNum; rowNum++) {
row = sheet.getRow(rowNum);
if (row == null) continue;
sb.append("<tr>");
int lastColNum = row.getLastCellNum();
for (int colNum = row.getFirstCellNum(); colNum < lastColNum; colNum++) {
cell = row.getCell(colNum);
String stringValue = getCellValue(cell);
if (map[0].containsKey(rowNum + "," + colNum)) {
String pointString = map[0].get(rowNum + "," + colNum);
map[0].remove(rowNum + "," + colNum);
int bottomeRow = Integer.valueOf(pointString.split(",")[0]);
int bottomeCol = Integer.valueOf(pointString.split(",")[1]);
int rowSpan = bottomeRow - rowNum + 1;
int colSpan = bottomeCol - colNum + 1;
sb.append("<td rowspan= '" + rowSpan + "' colspan= '" + colSpan + "' ");
} else if (map[1].containsKey(rowNum + "," + colNum)) {
map[1].remove(rowNum + "," + colNum);
continue;
} else {
sb.append("<td ");
}
if (isWithStyle) {
dealExcelStyle(wb, sheet, cell, sb);
}
sb.append(">");
if (stringValue == null || "".equals(stringValue.trim())) {
sb.append(" ");
} else {
sb.append(stringValue.replace(String.valueOf((char) 160), " "));
}
sb.append("</td>");
}
sb.append("</tr>");
}
sb.append("</table>");
return sb.toString();
}
public static boolean isBlankRow(Row row) {
if (row == null)
return true;
boolean result = true;
for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++) {
Cell cell = row.getCell(i, HSSFRow.RETURN_BLANK_AS_NULL);
String value = "";
if (cell != null) {
switch (cell.getCellType()) {
case Cell.CELL_TYPE_STRING:
value = cell.getStringCellValue();
break;
case Cell.CELL_TYPE_NUMERIC:
value = String.valueOf((int) cell.getNumericCellValue());
break;
case Cell.CELL_TYPE_BOOLEAN:
value = String.valueOf(cell.getBooleanCellValue());
break;
case Cell.CELL_TYPE_FORMULA:
value = String.valueOf(cell.getCellFormula());
break;
default:
break;
}
if (!value.trim().equals("")) {
result = false;
break;
}
}
}
return result;
}
private static Map<String, String>[] getRowSpanColSpanMap(Sheet sheet) {
Map<String, String> map0 = new HashMap<String, String>();
Map<String, String> map1 = new HashMap<String, String>();
int mergedNum = sheet.getNumMergedRegions();
CellRangeAddress range = null;
for (int i = 0; i < mergedNum; i++) {
range = sheet.getMergedRegion(i);
int topRow = range.getFirstRow();
int topCol = range.getFirstColumn();
int bottomRow = range.getLastRow();
int bottomCol = range.getLastColumn();
map0.put(topRow + "," + topCol, bottomRow + "," + bottomCol);
int tempRow = topRow;
while (tempRow <= bottomRow) {
int tempCol = topCol;
while (tempCol <= bottomCol) {
map1.put(tempRow + "," + tempCol, "");
tempCol++;
}
tempRow++;
}
map1.remove(topRow + "," + topCol);
}
Map[] map = {map0, map1};
return map;
}
private static String getCellValue(Cell cell) {
String result = "";
if (cell != null) {
switch (cell.getCellType()) {
case HSSFCell.CELL_TYPE_STRING:
result = cell.getRichStringCellValue().getString().trim();
break;
case HSSFCell.CELL_TYPE_NUMERIC:
short format = cell.getCellStyle().getDataFormat();
if (HSSFDateUtil.isCellDateFormatted(cell)) {
SimpleDateFormat sdf;
if (cell.getCellStyle().getDataFormat() == HSSFDataFormat.getBuiltinFormat("h:mm")) {
sdf = new SimpleDateFormat("HH:mm");
} else {
sdf = new SimpleDateFormat("yyyy-MM-dd");
}
Date date = cell.getDateCellValue();
result = sdf.format(date);
} else if (format == 14 || format == 31 || format == 57 || format == 58) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
double value = cell.getNumericCellValue();
Date date = org.apache.poi.ss.usermodel.DateUtil.getJavaDate(value);
result = sdf.format(date);
} else if (format == 20 || format == 32) {
SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
double value = cell.getNumericCellValue();
Date date = org.apache.poi.ss.usermodel.DateUtil.getJavaDate(value);
result = sdf.format(date);
} else {
result = String.valueOf(cell.getNumericCellValue());
}
break;
case HSSFCell.CELL_TYPE_BOOLEAN:
result = String.valueOf(cell.getBooleanCellValue()).trim();
break;
case HSSFCell.CELL_TYPE_FORMULA:
result = cell.getCellFormula();
break;
case HSSFCell.CELL_TYPE_BLANK:
result = "";
default:
result = "";
}
}
return result;
}
private static void dealExcelStyle(Workbook wb, Sheet sheet, Cell cell, StringBuffer sb) {
if (cell != null) {
CellStyle cellStyle = cell.getCellStyle();
if (cellStyle != null) {
sb.append("valign='" + convertVerticalAlignToHtml(cellStyle.getVerticalAlignment())
+ "' ");
if (wb instanceof XSSFWorkbook) {
XSSFFont xf = ((XSSFCellStyle) cellStyle).getFont();
sb.append("style='");
sb.append("font-weight:").append(xf.getBoldweight()).append(";");
sb.append("font-size: ").append(xf.getFontHeightInPoints()).append(";");
sb.append("font-family:\"").append(xf.getFontName()).append("\";");
sb.append("text-decoration:").append(xf.getUnderline() == 0 ? "none" : "underline").append(";");
if (xf.getItalic())
sb.append("font-style:italic;");
sb.append("height:").append(sheet.getDefaultRowHeightInPoints()).append("px;");
sb.append("text-align:").append(convertAlignToHtml(cellStyle.getAlignment())).append(";");
XSSFColor xc = xf.getXSSFColor();
if (xc != null && !"".equals(xc)) {
sb.append("color:#").append(xc.getARGBHex().substring(2)).append(";");
}
XSSFColor bgColor = (XSSFColor) cellStyle.getFillForegroundColorColor();
if (bgColor != null && !"".equals(bgColor)) {
sb.append("background-color:#").append(bgColor.getARGBHex().substring(2)).append(";");
}
sb.append(getBorderStyle(0, cellStyle.getBorderTop(),
((XSSFCellStyle) cellStyle).getTopBorderXSSFColor()));
sb.append(getBorderStyle(1, cellStyle.getBorderRight(),
((XSSFCellStyle) cellStyle).getRightBorderXSSFColor()));
sb.append(getBorderStyle(2, cellStyle.getBorderBottom(),
((XSSFCellStyle) cellStyle).getBottomBorderXSSFColor()));
sb.append(getBorderStyle(3, cellStyle.getBorderLeft(),
((XSSFCellStyle) cellStyle).getLeftBorderXSSFColor()));
} else if (wb instanceof HSSFWorkbook) {
HSSFFont hf = ((HSSFCellStyle) cellStyle).getFont(wb);
HSSFPalette palette = ((HSSFWorkbook) wb).getCustomPalette();
HSSFColor hc = palette.getColor(hf.getColor());
sb.append("style='");
sb.append("font-weight:").append(hf.getBoldweight()).append(";");
sb.append("font-size:").append(hf.getFontHeightInPoints()).append(";");
sb.append("font-family:\"").append(hf.getFontName()).append("\";");
sb.append("text-decoration:").append(hf.getUnderline() == 0 ? "none" : "underline").append(";");
if (hf.getItalic())
sb.append("font-style:italic;");
sb.append("text-align:").append(convertAlignToHtml(cellStyle.getAlignment())).append(";");
String fontColorStr = convertToStardColor(hc);
if (fontColorStr != null && !"".equals(fontColorStr.trim())) {
sb.append("color:").append(fontColorStr).append(";");
}
sb.append("height:").append(sheet.getDefaultRowHeightInPoints()).append("px;");
String bgColorStr = convertToStardColor(palette.getColor(cellStyle.getFillForegroundColor()));
if (bgColorStr != null && !"".equals(bgColorStr.trim())) {
sb.append("background-color:").append(bgColorStr).append(";");
}
sb.append(getBorderStyle(palette, 0, cellStyle.getBorderTop(), cellStyle.getTopBorderColor()));
sb.append(getBorderStyle(palette, 1, cellStyle.getBorderRight(), cellStyle.getRightBorderColor()));
sb.append(getBorderStyle(palette, 3, cellStyle.getBorderLeft(), cellStyle.getLeftBorderColor()));
sb.append(
getBorderStyle(palette, 2, cellStyle.getBorderBottom(), cellStyle.getBottomBorderColor()));
}
sb.append("' ");
}
}
}
private static String convertAlignToHtml(short alignment) {
String align = "left";
switch (alignment) {
case CellStyle.ALIGN_LEFT:
align = "left";
break;
case CellStyle.ALIGN_CENTER:
align = "center";
break;
case CellStyle.ALIGN_RIGHT:
align = "right";
break;
default:
break;
}
return align;
}
private static String convertVerticalAlignToHtml(short verticalAlignment) {
String valign = "middle";
switch (verticalAlignment) {
case CellStyle.VERTICAL_BOTTOM:
valign = "bottom";
break;
case CellStyle.VERTICAL_CENTER:
valign = "center";
break;
case CellStyle.VERTICAL_TOP:
valign = "top";
break;
default:
break;
}
return valign;
}
private static String convertToStardColor(HSSFColor hc) {
StringBuffer sb = new StringBuffer("");
if (hc != null) {
if (HSSFColor.AUTOMATIC.index == hc.getIndex())
return null;
sb.append("#");
for (int i = 0; i < hc.getTriplet().length; i++) {
sb.append(fillWithZero(Integer.toHexString(hc.getTriplet()[i])));
}
}
return sb.toString();
}
private static String fillWithZero(String str) {
if (str != null && str.length() < 2) {
return "0" + str;
}
return str;
}
static String[] bordesr = {"border-top:", "border-right:", "border-bottom:", "border-left:"};
static String[] borderStyles = {"solid ", "solid ", "solid ", "solid ", "solid ", "solid ", "solid ", "solid ",
"solid ", "solid", "solid", "solid", "solid", "solid"};
private static String getBorderStyle(HSSFPalette palette, int b, short s, short t) {
if (s == 0)
return bordesr[b] + borderStyles[s] + "#d0d7e5 0px;";
String borderColorStr = convertToStardColor(palette.getColor(t));
borderColorStr = borderColorStr == null || borderColorStr.length() < 1 ? "#000000" : borderColorStr;
return bordesr[b] + borderStyles[s] + borderColorStr + " 1px;";
}
private static String getBorderStyle(int b, short s, XSSFColor xc) {
if (s == 0)
return bordesr[b] + borderStyles[s] + "#d0d7e5 0px;";
if (xc != null && !"".equals(xc)) {
String borderColorStr = xc.getARGBHex();
borderColorStr =
borderColorStr == null || borderColorStr.length() < 1 ? "#000000" : borderColorStr.substring(2);
return bordesr[b] + borderStyles[s] + borderColorStr + " 1px;";
}
return "";
}
private static void writeFile(String content, String htmlPath) {
File file2 = new File(htmlPath);
StringBuilder sb = new StringBuilder();
try {
file2.createNewFile();
sb.append(
"<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\"><title>Excel Convert Html</title></head><body>");
sb.append("<div>");
sb.append(content);
sb.append("</div>");
sb.append("</body></html>");
PrintStream printStream = new PrintStream(new FileOutputStream(file2));
printStream.println(sb.toString());
} catch (IOException e) {
e.printStackTrace();
}
}
}