package com.pera.taskstat.excelToHtml;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.DecimalFormat;
import java.util.HashMap;
import java.util.Map;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFPalette;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.util.CellRangeAddress;
public class POIReadExcelToHtml03 {
//测试
public static void main(String[] args) {
try {
POIReadExcelToHtml03 poire = new POIReadExcelToHtml03();
String path = "D://123//abug.xls";
File sourcefile = new File(path);
InputStream is = new FileInputStream(sourcefile);
//POIFSFileSystem fs = new POIFSFileSystem(is);
HSSFWorkbook wb = new HSSFWorkbook(is);
String htmlExcel = poire.getExcelInfo(wb);
System.out.println(poire.getExcelInfo(wb));
is.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public static String getHtmlExcel(HSSFWorkbook wb){
try {
String htmlPage = getExcelInfo(wb);
return htmlPage;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public static String getExcelInfo(HSSFWorkbook wb) throws Exception {
StringBuffer sb = new StringBuffer();
Sheet sheet = wb.getSheetAt(0);
int lastRowNum = sheet.getLastRowNum();
Map<String, String> map[] = getRowSpanColSpanMap(sheet);
sb.append("<table style='border-collapse:collapse;' width='100%'>");
HSSFRow row = null;
HSSFCell cell = null;
// System.out.println(sheet.getPhysicalNumberOfRows());
for (int rowNum = sheet.getFirstRowNum(); rowNum <= lastRowNum; rowNum++) {
row = (HSSFRow) sheet.getRow(rowNum);
if (row == null) {
sb.append("<tr><td > </td></tr>");
continue;
}
sb.append("<tr>");
int lastColNum = row.getLastCellNum();
for (int colNum = 0; colNum < lastColNum; colNum++) {
cell = row.getCell(colNum);
if (cell == null) {
sb.append("<td> </td>");
continue;
}
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 ");
}
HSSFCellStyle cellStyle = cell.getCellStyle();
if (cellStyle != null) {
short alignment = cellStyle.getAlignment();
sb.append("align='" + convertAlignToHtml(alignment) + "' ");
short verticalAlignment = cellStyle.getVerticalAlignment();
sb.append("valign='"
+ convertVerticalAlignToHtml(verticalAlignment)
+ "' ");
HSSFFont hf = cellStyle.getFont(wb);
short boldWeight = hf.getBoldweight();
short fontColor = hf.getColor();
sb.append("style='");
HSSFPalette palette = wb.getCustomPalette(); // 类HSSFPalette用于求的颜色的国际标准形式
HSSFColor hc = palette.getColor(fontColor);
sb.append("font-weight:" + boldWeight + ";"); // 字体加粗
// System.out.println(hf.getFontHeight());
sb.append("font-size: " + hf.getFontHeight() / 2.5 + "%;"); // 字体大小
String fontColorStr = convertToStardColor(hc);
if (fontColorStr != null && !"".equals(fontColorStr.trim())) {
sb.append("color:" + fontColorStr + ";"); // 字体颜色
}
int columnWidth = sheet.getColumnWidth(cell.getColumnIndex()) ;
sb.append("width:" + columnWidth + "px;");
short bgColor = cellStyle.getFillForegroundColor();
hc = palette.getColor(bgColor);
String bgColorStr = convertToStardColor(hc);
if (bgColorStr != null && !"".equals(bgColorStr.trim())) {
sb.append("background-color:" + bgColorStr + ";"); // 背景颜色
}
/*
short borderColor = cellStyle.getBottomBorderColor();
hc = palette.getColor(borderColor);
String borderColorStr = convertToStardColor(hc);
if (borderColorStr != null
&& !"".equals(borderColorStr.trim())) {
sb.append("border-color:" + borderColorStr + ";"); // 边框颜色
}
*/
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()));
// boolean borderBoolean = cellStyle.getWrapText();
//
// if(borderBoolean){
// sb.append("border-style: inset;");
// }
sb.append("' ");
}
sb.append(">");
if (stringValue == null || "".equals(stringValue.trim())) {
sb.append(" ");
} else {
// 将ascii码为160的空格转换为html下的空格( )
sb.append(stringValue.replace(String.valueOf((char) 160),
" "));
}
sb.append("</td>");
}
sb.append("</tr>");
}
sb.append("</table>");
return sb.toString();
}
@SuppressWarnings("unchecked")
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);
// System.out.println(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 convertAlignToHtml(short alignment) {
String align = "left";
switch (alignment) {
case HSSFCellStyle.ALIGN_LEFT:
align = "left";
break;
case HSSFCellStyle.ALIGN_CENTER:
align = "center";
break;
case HSSFCellStyle.ALIGN_RIGHT:
align = "right";
break;
default:
break;
}
return align;
}
private static String convertVerticalAlignToHtml(short verticalAlignment) {
String valign = "middle";
switch (verticalAlignment) {
case HSSFCellStyle.VERTICAL_BOTTOM:
valign = "bottom";
break;
case HSSFCellStyle.VERTICAL_CENTER:
valign = "center";
break;
case HSSFCellStyle.VERTICAL_TOP:
valign = "top";
break;
default:
break;
}
return valign;
}
private static String convertToStar
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