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导入Excel复杂表头 ，然后生成一个html形式的字符串 ，返回前端
/**
* 导入excel
*/
@RequestMapping(value = "/excelImport")
@ResponseBody
public Map list(String condition, @RequestParam MultipartFile file, HttpServletRequest request) throws IOException, InvalidFormatException {
/*MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
MultipartFile file = multipartRequest.getFile("fileUpload");*/
String fileName = file.getOriginalFilename();
// String suffixName = fileName.substring(fileName.lastIndexOf("."));
String realPath = request.getRealPath("/");
File dest = new File(realPath + "/" + fileName);
String path = realPath+fileName;
try {
file.transferTo(dest); //保存文件
} catch (IllegalStateException e) {
}
ExcelShower els = new ExcelShower();
try {
Map result = els.read(null, path);
System.out.println(result.get("lsb").toString());
System.out.println(result.get("title").toString());
System.out.println(result.get("content").toString());
return result;
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public Map read(Map properties,String fileUrl) throws Exception {
HSSFSheet sheet = null;
StringBuffer lsb = new StringBuffer();
// String excelFileName = SojaProperties.getSojaRoot() +
// "/page/readExcel/sale.xls";
String excelFileName = "C:\\Users\\Administrator.QH-20171111LPZE\\Desktop\\2222测试.xls";
HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(
fileUrl)); // 获整个Excel
Map map = new HashMap();
map = excleToHtml(workbook);
System.out.println(lsb.toString());
return map;
}
public Map excleToHtml(HSSFWorkbook workbook) {
HSSFSheet sheet;
StringBuffer lsb = new StringBuffer();
Map map = new HashMap();
List<String> titleList = new ArrayList<>();
List<String> contentList = new ArrayList<>();
try {
for (int sheetIndex = 0; sheetIndex < workbook.getNumberOfSheets(); sheetIndex++) {
sheet = workbook.getSheetAt(sheetIndex);// 获所有的sheet
String sheetName = workbook.getSheetName(sheetIndex); // sheetName
if (workbook.getSheetAt(sheetIndex) != null) {
sheet = workbook.getSheetAt(sheetIndex);// 获得不为空的这个sheet
if (sheet != null) {
int firstRowNum = sheet.getFirstRowNum(); // 第一行
int lastRowNum = sheet.getLastRowNum(); // 最后一行
// 构造Table
lsb.append("<table style=\"width:100% !important; border:1px solid #000;border-width:1px 0 0 1px;margin:2px 0 2px 0;border-collapse:collapse;\">");
for (int rowNum = firstRowNum; rowNum <= lastRowNum; rowNum++) {
if (sheet.getRow(rowNum) != null) {// 如果行不为空，
HSSFRow row = sheet.getRow(rowNum);
short firstCellNum = row.getFirstCellNum(); // 该行的第一个单元格
short lastCellNum = row.getLastCellNum(); // 该行的最后一个单元格
int height = (int) (row.getHeight() / 15.625); // 行的高度
if(rowNum != lastRowNum){
lsb.append("<tr height=\""
+ height
+ "\" style=\"border:1px solid #000;border-width:0 1px 1px 0;margin:2px 0 2px 0;\">");
}
for (short cellNum = firstCellNum; cellNum <= lastCellNum; cellNum++) { // 循环该行的每一个单元格
HSSFCell cell = row.getCell(cellNum);
if (cell != null) {
//获取最后二行的值
if(rowNum == lastRowNum-1){
System.out.println(cell.getStringCellValue());
String a =cell.getStringCellValue();
if (cell.getStringCellValue().equals("") ||cell.getStringCellValue() == null) {
for (int begin = rowNum-1; rowNum >=0; begin--) {
HSSFRow rowPre = sheet.getRow(begin);
cell = rowPre.getCell(cellNum);
if (!cell.getStringCellValue().equals("") && cell.getStringCellValue() != null){
break;
}
}
}
titleList.add(getCellValue(cell).toString());
cell = row.getCell(cellNum);
}
if (cell.getCellType() == HSSFCell.CELL_TYPE_BLANK) {
continue;
} else {
StringBuffer tdStyle = new StringBuffer(
"<td style=\"border:1px solid #000; border-width:0 1px 1px 0;margin:2px 0 2px 0; ");
HSSFCellStyle cellStyle = cell
.getCellStyle();
HSSFPalette palette = workbook
.getCustomPalette(); // 类HSSFPalette用于求颜色的国际标准形式
HSSFColor hColor = palette
.getColor(cellStyle
.getFillForegroundColor());
HSSFColor hColor2 = palette
.getColor(cellStyle
.getFont(workbook)
.getColor());
String bgColor = convertToStardColor(hColor);// 背景颜色
short boldWeight = cellStyle
.getFont(workbook)
.getBoldweight(); // 字体粗细
short fontHeight = (short) (cellStyle
.getFont(workbook)
.getFontHeight() / 2); // 字体大小
String fontColor = convertToStardColor(hColor2); // 字体颜色
if (bgColor != null
&& !"".equals(bgColor
.trim())) {
tdStyle.append(" background-color:"
+ bgColor + "; ");
}
if (fontColor != null
&& !"".equals(fontColor
.trim())) {
tdStyle.append(" color:"
+ fontColor + "; ");
}
tdStyle.append(" font-weight:"
+ boldWeight + "; ");
tdStyle.append(" font-size: "
+ fontHeight + "%;");
if(rowNum != lastRowNum){
lsb.append(tdStyle + "\"");
}
int width = (int) (sheet
.getColumnWidth(cellNum) / 35.7); //
int cellReginCol = getMergerCellRegionCol(
sheet, rowNum, cellNum); // 合并的列（solspan）
int cellReginRow = getMergerCellRegionRow(
sheet, rowNum, cellNum);// 合并的行（rowspan）
String align = convertAlignToHtml(cellStyle
.getAlignment()); //
String vAlign = convertVerticalAlignToHtml(cellStyle
.getVerticalAlignment());
if(rowNum != lastRowNum){
lsb.append(" align=\"" + align
+ "\" valign=\"" + vAlign
+ "\" width=\"" + width
+ "\" ");
lsb.append(" colspan=\""
+ cellReginCol
+ "\" rowspan=\""
+ cellReginRow + "\"");
lsb.append(">" + getCellValue(cell)
+ "</td>");
}
//获取最后二行的值
/*if(rowNum == lastRowNum-1){
titleList.add(getCellValue(cell).toString());
}*/
if(rowNum == lastRowNum){
contentList.add(getCellValue(cell).toString());
}
}
}
}
lsb.append("</tr>");
}
}
}
}
}
} catch (FileNotFoundException e) {
} catch (IOException e) {
}
lsb.append("</table>");
map.put("lsb",lsb);
map.put("title",titleList);
map.put("content",contentList);
return map;
}