描述

郑永安

2023-06-19 59e91a4e9ddaf23cebb12993c774aa899ab22d16

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package com.gk.firework.Domain.Utils;
 
import org.apache.poi.ss.usermodel.*;
 
import java.text.DecimalFormat;
import java.text.Format;
import java.util.Date;
 
/**
 * Created by Administrator on 2017/8/12.
 */
public class ExcelProperty {
    public static Object getCellValue(Cell cell,FormulaEvaluator evaluator) {
        Object value = "";
//        SimpleDateFormat sdf = new SimpleDateFormat("yyy-MM-dd HH:mm:ss");  //日期格式化
//        DecimalFormat df2 = new DecimalFormat("0.00");  //格式化数字
 
        if(null == cell)
        {
            return "";
        }
        switch (cell.getCellTypeEnum()) {
            case _NONE:
                value = "";
                break;
            case BLANK:
                value = "";
                break;
            case BOOLEAN:
                value = cell.getBooleanCellValue();
                break;
            case ERROR:
                value = cell.getErrorCellValue();
                break;
            case FORMULA:
                CellValue cellValue = evaluator.evaluate(cell);
                switch (cellValue.getCellTypeEnum()) {
                    case _NONE:
                        value = "";
                        break;
                    case BLANK:
                        value = "";
                        break;
                    case BOOLEAN:
                        value = cellValue.getBooleanValue();
                        break;
                    case ERROR:
                        value = cellValue.getErrorValue();
                        break;
                    case NUMERIC:
                        value = cellValue.getNumberValue();
                        break;
                    case STRING:
                        if(StringUtils.isNotBlank(cell.getStringCellValue()))
                        {
                            value=cell.getStringCellValue().trim();
                        }
                        else {
                            value ="";
                        }
                        break;
                    default:
                        break;
                }
                break;
            case NUMERIC:
                value=formatNumericCell(cell.getNumericCellValue(), cell);
                break;
            case STRING:
                if(StringUtils.isNotBlank(cell.getStringCellValue()))
                {
                    value=cell.getStringCellValue().trim();
                }
                else {
                    value ="";
                }
                break;
            default:
                break;
        }
        return value;
    }
 
    public static String formatNumericCell(Double value, Cell cell) {
        if(cell.getCellTypeEnum() != CellType.NUMERIC && cell.getCellTypeEnum() != CellType.FORMULA) {
            return null;
        }
        //isCellDateFormatted判断该单元格是"时间格式"或者该"单元格的公式算出来的是时间格式"
        if(DateUtil.isCellDateFormatted(cell)) {
            Date date = cell.getDateCellValue();
            DataFormatter dataFormatter = new DataFormatter();
            Format format = dataFormatter.createFormat(cell);
            return format.format(date);
        } else {
            DecimalFormat df = new DecimalFormat("#.###");  //格式化number String字符
            return  df.format(value);
 
        }
    }
}