79 lines
2.5 KiB
Java
79 lines
2.5 KiB
Java
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package com.ruoyi.common.utils;
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import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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import org.apache.poi.ss.usermodel.Cell;
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import java.text.DecimalFormat;
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import java.util.Date;
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/**
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* 导入Excel工具类
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*/
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public class ExcelImportUtils {
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/** 是否是2003的excel，返回true是2003Excel文件**/
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public static boolean isExcel2003(String filePath){
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return filePath.matches("^.+\\.(?i)(xls)$");
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}
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/** 是否是2007以上的excel，返回true是2007Excel文件**/
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public static boolean isExcel2007(String filePath){
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return filePath.matches("^.+\\.(?i)(xlsx)$");
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}
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/**
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* 验证EXCEL文件
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*
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* @param filePath
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* @return
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*/
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public static boolean validateExcel(String filePath) {
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if (filePath == null || !(isExcel2003(filePath) || isExcel2007(filePath))) {
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return false;
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}
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return true;
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}
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/**
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* 获取单元格的值
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* @param cell
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* @return
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*/
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public static String getCellValue(Cell cell) {
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String value = "";
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if (cell != null) {
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switch(cell.getCellTypeEnum()){
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case NUMERIC:// 数字
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value = cell.getNumericCellValue()+ " ";
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if(HSSFDateUtil.isCellDateFormatted(cell)){
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Date date = cell.getDateCellValue();
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if(date != null){
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value = DateUtils.parseDateToStr(DateUtils.YYYY_MM_DD,date); // 日期格式化
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}else{
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value = "";
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}
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}else {
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// 解析cell时候 数字类型默认是double类型的 但是想要获取整数类型 需要格式化
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value = new DecimalFormat("0").format(cell.getNumericCellValue());
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}
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break;
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case STRING: // 字符串
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value = cell.getStringCellValue();
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break;
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case BOOLEAN: // Boolean类型
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value = cell.getBooleanCellValue()+"";
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break;
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case BLANK: // 空值
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value = "";
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break;
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case ERROR: // 错误类型
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value ="非法字符";
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break;
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default:
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value = "未知类型";
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break;
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}
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}
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return value.trim();
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}
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}
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