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+package nc.impl.pubdev.pubtool;
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+
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+import java.io.BufferedReader;
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+import java.io.BufferedWriter;
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+import java.io.ByteArrayOutputStream;
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+import java.io.File;
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+import java.io.FileInputStream;
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+import java.io.FileNotFoundException;
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+import java.io.FileOutputStream;
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+import java.io.IOException;
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+import java.io.InputStream;
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+import java.io.InputStreamReader;
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+import java.io.OutputStream;
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+import java.io.OutputStreamWriter;
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+import java.text.DecimalFormat;
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+import java.text.SimpleDateFormat;
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+import java.util.ArrayList;
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+import java.util.List;
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+
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+import org.apache.poi.hssf.usermodel.HSSFCell;
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+import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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+import org.apache.poi.hssf.usermodel.HSSFRow;
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+import org.apache.poi.hssf.usermodel.HSSFSheet;
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+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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+import org.apache.poi.ss.usermodel.CellType;
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+import org.apache.poi.xssf.usermodel.XSSFCell;
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+import org.apache.poi.xssf.usermodel.XSSFRow;
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+import org.apache.poi.xssf.usermodel.XSSFSheet;
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+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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+
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+import nc.vo.pubapp.pattern.exception.ExceptionUtils;
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+
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+
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+public class ExcelUtil {
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+ //默认单元格内容为数字时格式
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+ private static DecimalFormat df = new DecimalFormat("0");
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+ // 默认单元格格式化日期字符串
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+ private static SimpleDateFormat sdf = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss");
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+ // 格式化数字
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+ private static DecimalFormat nf = new DecimalFormat("0.00");
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+ public static ArrayList<ArrayList<Object>> readFile(File file){
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+ if(file == null){
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+ return null;
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+ }
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+ String filename = file.getName().toLowerCase();
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+
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+ if(filename.endsWith("xlsx")){
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+ //处理ecxel2007
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+
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+ try {
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+ return readExcel2007(new FileInputStream(file));
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+ } catch (FileNotFoundException e) {
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+ // TODO Auto-generated catch block
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+ return null;
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+ }
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+ }else if(filename.endsWith("xls")){
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+ //处理ecxel2003
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+ try {
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+ return readExcel2003(new FileInputStream(file));
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+ } catch (FileNotFoundException e) {
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+ // TODO Auto-generated catch block
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+ return null;
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+ }
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+ }else if(filename.endsWith("csv")) {
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+ try {
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+ return readCsv(new FileInputStream(file));
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+ } catch (FileNotFoundException e) {
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+ // TODO Auto-generated catch block
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+ return null;
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+ }
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+ }else {
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+ ExceptionUtils.wrappBusinessException("导入失败，系统只接收xls,xlsx,csv类型文件");
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+ return null;
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+ }
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+ }
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+ /*
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+ * @return 将返回结果存储在ArrayList内，存储结构与二位数组类似
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+ * lists.get(0).get(0)表示过去Excel中0行0列单元格
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+ */
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+ public static ArrayList<ArrayList<Object>> readExcel2003(InputStream input){
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+ try{
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+ ArrayList<ArrayList<Object>> rowList = new ArrayList<ArrayList<Object>>();
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+ ArrayList<Object> colList;
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+ HSSFWorkbook wb = new HSSFWorkbook(input);
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+ HSSFSheet sheet = wb.getSheetAt(0);
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+ HSSFRow row;
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+ HSSFCell cell;
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+ Object value;
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+ for(int i = sheet.getFirstRowNum() , rowCount = 0; rowCount < sheet.getPhysicalNumberOfRows() ; i++ ){
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+ row = sheet.getRow(i);
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+ colList = new ArrayList<Object>();
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+ if(row == null){
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+ //当读取行为空时
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+ if(i != sheet.getPhysicalNumberOfRows()){//判断是否是最后一行
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+ rowList.add(colList);
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+ }
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+ continue;
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+ }else{
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+ rowCount++;
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+ }
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+ for( int j = row.getFirstCellNum() ; j <= row.getLastCellNum() ;j++){
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+ cell = row.getCell(j);
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+ if(cell == null || cell.getCellType() == CellType.BLANK){
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+ //当该单元格为空
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+ if(j != row.getLastCellNum()){//判断是否是该行中最后一个单元格
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+ colList.add("");
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+ }
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+ continue;
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+ }
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+ switch(cell.getCellType()){
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+ case STRING:
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+ value = cell.getStringCellValue();
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+ break;
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+ case NUMERIC:
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+ if ("@".equals(cell.getCellStyle().getDataFormatString())) {
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+ value = df.format(cell.getNumericCellValue());
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+ } else if ("General".equals(cell.getCellStyle()
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+ .getDataFormatString())) {
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+ value = nf.format(cell.getNumericCellValue());
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+ } else {
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+ value = sdf.format(HSSFDateUtil.getJavaDate(cell
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+ .getNumericCellValue()));
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+ }
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+ break;
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+ case BOOLEAN:
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+ value = Boolean.valueOf(cell.getBooleanCellValue());
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+ break;
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+ case BLANK:
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+ value = "";
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+ break;
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+ default:
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+ value = cell.toString();
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+ }// end switch
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+ colList.add(value);
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+ }//end for j
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+ rowList.add(colList);
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+ }//end for i
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+
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+ return rowList;
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+ }catch(Exception e){
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+ return null;
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+ }
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+ }
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+
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+ public static ArrayList<ArrayList<Object>> readExcel2007(InputStream input){
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+ try{
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+ ArrayList<ArrayList<Object>> rowList = new ArrayList<ArrayList<Object>>();
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+ ArrayList<Object> colList;
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+ XSSFWorkbook wb = new XSSFWorkbook(input);
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+ XSSFSheet sheet = wb.getSheetAt(0);
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+ XSSFRow row;
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+ XSSFCell cell;
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+ Object value;
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+ for(int i = sheet.getFirstRowNum() , rowCount = 0; rowCount < sheet.getPhysicalNumberOfRows() ; i++ ){
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+ row = sheet.getRow(i);
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+ colList = new ArrayList<Object>();
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+ if(row == null){
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+ //当读取行为空时
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+ if(i != sheet.getPhysicalNumberOfRows()){//判断是否是最后一行
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+ rowList.add(colList);
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+ }
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+ continue;
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+ }else{
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+ rowCount++;
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+ }
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+ for( int j = row.getFirstCellNum() ; j <= row.getLastCellNum() ;j++){
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+ cell = row.getCell(j);
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+ if(cell == null || cell.getCellType() == CellType.BLANK){
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+ //当该单元格为空
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+ if(j != row.getLastCellNum()){//判断是否是该行中最后一个单元格
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+ colList.add("");
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+ }
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+ continue;
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+ }
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+ switch(cell.getCellType()){
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+ case STRING:
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+ value = cell.getStringCellValue();
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+ break;
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+ case NUMERIC:
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+ if ("@".equals(cell.getCellStyle().getDataFormatString())) {
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+ value = df.format(cell.getNumericCellValue());
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+ } else if ("General".equals(cell.getCellStyle()
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+ .getDataFormatString())) {
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+ value = nf.format(cell.getNumericCellValue());
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+ } else {
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+ value = sdf.format(HSSFDateUtil.getJavaDate(cell
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+ .getNumericCellValue()));
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+ }
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+ break;
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+ case BOOLEAN:
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+ value = Boolean.valueOf(cell.getBooleanCellValue());
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+ break;
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+ case BLANK:
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+ value = "";
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+ break;
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+ default:
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+ value = cell.toString();
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+ }// end switch
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+
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+ colList.add(cell.toString());
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+ }//end for j
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+ rowList.add(colList);
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+ }//end for i
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+
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+ return rowList;
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+ }catch(Exception e){
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+ System.out.println("exception");
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+ return null;
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+ }
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+ }
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+
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+ public static void writeExcel(ArrayList<ArrayList<Object>> result,String path){
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+ if(result == null){
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+ return;
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+ }
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+ HSSFWorkbook wb = new HSSFWorkbook();
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+ HSSFSheet sheet = wb.createSheet("sheet1");
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+ for(int i = 0 ;i < result.size() ; i++){
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+ HSSFRow row = sheet.createRow(i);
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+ if(result.get(i) != null){
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+ for(int j = 0; j < result.get(i).size() ; j ++){
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+ HSSFCell cell = row.createCell(j);
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+ cell.setCellValue(result.get(i).get(j).toString());
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+ }
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+ }
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+ }
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+ ByteArrayOutputStream os = new ByteArrayOutputStream();
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+ try
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+ {
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+ wb.write(os);
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+ } catch (IOException e){
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+ e.printStackTrace();
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+ }
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+ byte[] content = os.toByteArray();
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+ File file = new File(path);//Excel文件生成后存储的位置。
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+ OutputStream fos = null;
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+ try
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+ {
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+ fos = new FileOutputStream(file);
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+ fos.write(content);
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+ os.close();
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+ fos.close();
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+ }catch (Exception e){
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+ e.printStackTrace();
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+ }
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+ }
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+
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+
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+
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+
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+
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+ /**
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+ * 导出
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+ *
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+ * @param file csv文件(路径+文件名)，csv文件不存在会自动创建
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+ * @param dataList 数据
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+ * @return
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+ */
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+ public static boolean exportCsv(File file, List<String> dataList){
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+ boolean isSucess=false;
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+
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+ FileOutputStream out=null;
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+ OutputStreamWriter osw=null;
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+ BufferedWriter bw=null;
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+ try {
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+ out = new FileOutputStream(file);
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+ osw = new OutputStreamWriter(out);
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+ bw =new BufferedWriter(osw);
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+ if(dataList!=null && !dataList.isEmpty()){
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+ for(String data : dataList){
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+ bw.append(data).append("\r");
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+ }
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+ }
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+ isSucess=true;
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+ } catch (Exception e) {
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+ isSucess=false;
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+ }finally{
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+ if(bw!=null){
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+ try {
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+ bw.close();
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+ bw=null;
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ if(osw!=null){
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+ try {
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+ osw.close();
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+ osw=null;
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ if(out!=null){
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+ try {
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+ out.close();
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+ out=null;
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ }
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+
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+ return isSucess;
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+ }
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+
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+ /**
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+ * 导入
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+ *
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+ * @param input csv文件(路径+文件)
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+ * @return
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+ */
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+ public static ArrayList<ArrayList<Object>> readCsv(InputStream input){
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+
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+ ArrayList<ArrayList<Object>> rowList = new ArrayList<ArrayList<Object>>();
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+ BufferedReader br=null;
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+ try {
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+ br = new BufferedReader(new InputStreamReader(input,"GBK"));
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+ String line = "";
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+ ArrayList<Object> colList;
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+ while ((line = br.readLine()) != null) {
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+ colList = new ArrayList<Object>();
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+ String[] datas = line.split(",");
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+ for (String data : datas) {
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+ colList.add(data);
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+ }
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+ rowList.add(colList);
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+ }
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+ }catch (Exception e) {
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+ }finally{
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+ if(br!=null){
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+ try {
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+ br.close();
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+ br=null;
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ }
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+
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+ return rowList;
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+ }
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+
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+
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+
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+ public static DecimalFormat getDf() {
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+ return df;
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+ }
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+ public static void setDf(DecimalFormat df) {
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+ ExcelUtil.df = df;
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+ }
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+ public static SimpleDateFormat getSdf() {
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+ return sdf;
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+ }
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+ public static void setSdf(SimpleDateFormat sdf) {
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+ ExcelUtil.sdf = sdf;
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+ }
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+ public static DecimalFormat getNf() {
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+ return nf;
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+ }
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+ public static void setNf(DecimalFormat nf) {
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+ ExcelUtil.nf = nf;
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+ }
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+
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+}
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longht
4 年之前