package util;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.hssf.util.Region;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.util.CellRangeAddress;
import soja.base.SojaProperties;
import soja.transfer.DataErrorException;
import mvc.datamgr.DataManager;
/**
* @author lixunhui@qq.com
**/
public class ExcelShower extends DataManager {
/**
* SID.
*/
private static final long serialVersionUID = -8344971443770122206L;
/**
* 读取 Excel 显示页面.
* @param properties
* @return
* @throws Exception
*/
public StringBuffer read(Map properties) throws Exception {
HSSFSheet sheet = null;
StringBuffer lsb = new StringBuffer();
String excelFileName = SojaProperties.getSojaRoot() + "/page/readExcel/sale.xls";
try {
HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(excelFileName)); // 获整个Excel
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 width=\"100%\" style=\"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
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) {
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 + "%;");
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());
lsb.append(" align=\"" + align + "\" valign=\""+vAlign+"\" width=\"" + width + "\" ");
lsb.append(" colspan=\"" + cellReginCol + "\" rowspan=\""+cellReginRow+"\"");
lsb.append(">"+getCellValue(cell)+"");
}
}
}
lsb.append("");
}
}
}
}
}
} catch (FileNotFoundException e) {
throw new DataErrorException("文件 " + excelFileName + " 没有找到!");
} catch (IOException e) {
throw new DataErrorException("文件 " + excelFileName + " 处理错误("
+ e.getMessage() + ")!");
}
return lsb;
}
/**
* 取得单元格的值
* @param cell
* @return
* @throws IOException
*/
private static Object getCellValue(HSSFCell cell) throws IOException {
Object value = "";
if (cell.getCellType() == HSSFCell.CELL_TYPE_STRING) {
value = cell.getRichStringCellValue().toString();
} else if (cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
if (HSSFDateUtil.isCellDateFormatted(cell)) {
Date date = cell.getDateCellValue();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
value = sdf.format(date);
} else {
double value_temp = (double) cell.getNumericCellValue();
BigDecimal bd = new BigDecimal(value_temp);
BigDecimal bd1 = bd.setScale(3, bd.ROUND_HALF_UP);
value = bd1.doubleValue();
/*
DecimalFormat format = new DecimalFormat("#0.###");
value = format.format(cell.getNumericCellValue());
*/
}
}
if (cell.getCellType() == HSSFCell.CELL_TYPE_BLANK) {
value = "";
}
return value;
}
/**
* 判断单元格在不在合并单元格范围内，如果是，获取其合并的列数。
* @param sheet 工作表
* @param cellRow 被判断的单元格的行号
* @param cellCol 被判断的单元格的列号
* @return
* @throws IOException
*/
private static int getMergerCellRegionCol(HSSFSheet sheet, int cellRow,int cellCol) throws IOException {
int retVal = 0;
int sheetMergerCount = sheet.getNumMergedRegions();
for (int i = 0; i < sheetMergerCount; i++) {
CellRangeAddress cra = (CellRangeAddress) sheet.getMergedRegion(i);
int firstRow = cra.getFirstRow(); // 合并单元格CELL起始行
int firstCol = cra.getFirstColumn(); // 合并单元格CELL起始列
int lastRow = cra.getLastRow(); // 合并单元格CELL结束行
int lastCol = cra.getLastColumn(); // 合并单元格CELL结束列
if (cellRow >= firstRow && cellRow <= lastRow) { // 判断该单元格是否是在合并单元格中
if (cellCol >= firstCol && cellCol <= lastCol) {
retVal = lastCol - firstCol+1; // 得到合并的列数
break;
}
}
}
return retVal;
}
/**
* 判断单元格是否是合并的单格，如果是，获取其合并的行数。
* @param sheet 表单
* @param cellRow 被判断的单元格的行号
* @param cellCol 被判断的单元格的列号
* @return
* @throws IOException
*/
private static int getMergerCellRegionRow(HSSFSheet sheet, int cellRow,int cellCol) throws IOException {
int retVal = 0;
int sheetMergerCount = sheet.getNumMergedRegions();
for (int i = 0; i < sheetMergerCount; i++) {
CellRangeAddress cra = (CellRangeAddress) sheet.getMergedRegion(i);
int firstRow = cra.getFirstRow(); // 合并单元格CELL起始行
int firstCol = cra.getFirstColumn(); // 合并单元格CELL起始列
int lastRow = cra.getLastRow(); // 合并单元格CELL结束行
int lastCol = cra.getLastColumn(); // 合并单元格CELL结束列
if (cellRow >= firstRow && cellRow <= lastRow) { // 判断该单元格是否是在合并单元格中
if (cellCol >= firstCol && cellCol <= lastCol) {
retVal = lastRow - firstRow + 1; // 得到合并的行数
break;
}
}
}
return retVal;
}
/**
* 单元格背景色转换
* @param hc
* @return
*/
private String convertToStardColor(HSSFColor hc) {
StringBuffer sb = new StringBuffer("");
if (hc != null) {
int a = HSSFColor.AUTOMATIC.index;
int b = hc.getIndex();
if (a == b) {
return null;
}
sb.append("#");
for (int i = 0; i < hc.getTriplet().length; i++) {
String str ;
String str_tmp = Integer.toHexString(hc.getTriplet()[i]);
if (str_tmp != null && str_tmp.length() < 2) {
str = "0" + str_tmp;
}else {
str = str_tmp;
}
sb.append(str);
}
}
return sb.toString();
}
/**
* 单元格小平对齐
* @param alignment
* @return
*/
private 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;
}
/**
* 单元格垂直对齐
* @param verticalAlignment
* @return
*/
private 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;
}
}
