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package a;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.text.DecimalFormat;import org.apache.commons.lang3.StringUtils;import org.apache.poi.hssf.usermodel.HSSFDateUtil;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.ss.usermodel.Cell;import org.apache.poi.ss.usermodel.FormulaEvaluator;import org.apache.poi.ss.usermodel.Row;import org.apache.poi.ss.usermodel.Sheet;import landprice.util.DateUtil;public class TestReadFormula { private static FormulaEvaluator evaluator; public static void main(String[] args) throws IOException { InputStream is=new FileInputStream("E:/temp/tempfile/1.xls"); HSSFWorkbook wb=new HSSFWorkbook(is); Sheet sheet=wb.getSheetAt(0); evaluator=wb.getCreationHelper().createFormulaEvaluator(); for (int i = 0; i <1; i++) { Row row=sheet.getRow(i); for (Cell cell : row) { System.out.println(getCellValueByCell(cell)); } } is.close(); } //获取单元格各类型值，返回字符串类型 private static String getCellValueByCell(Cell cell) { //判断是否为null或空串 if (cell==null || cell.toString().trim().equals("")) { return ""; } String cellValue = ""; int cellType=cell.getCellType(); if(cellType==Cell.CELL_TYPE_FORMULA){ //表达式类型 cellType=evaluator.evaluate(cell).getCellType(); } switch (cellType) { case Cell.CELL_TYPE_STRING: //字符串类型 cellValue= cell.getStringCellValue().trim(); cellValue=StringUtils.isEmpty(cellValue) ? "" : cellValue; break; case Cell.CELL_TYPE_BOOLEAN: //布尔类型 cellValue = String.valueOf(cell.getBooleanCellValue()); break; case Cell.CELL_TYPE_NUMERIC: //数值类型 if (HSSFDateUtil.isCellDateFormatted(cell)) { //判断日期类型 cellValue = DateUtil.formatDateByFormat(cell.getDateCellValue(), "yyyy-MM-dd"); } else { //否 cellValue = new DecimalFormat("#.######").format(cell.getNumericCellValue()); } break; default: //其它类型，取空串吧 cellValue = ""; break; } return cellValue; } } |
