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875 lines
27 KiB
875 lines
27 KiB
package com.ruoyi.common.utils.poi; |
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import java.io.File; |
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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.OutputStream; |
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import java.lang.reflect.Field; |
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import java.lang.reflect.Method; |
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import java.math.BigDecimal; |
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import java.text.DecimalFormat; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Comparator; |
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import java.util.Date; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.UUID; |
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import java.util.stream.Collectors; |
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import org.apache.poi.hssf.usermodel.HSSFDateUtil; |
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import org.apache.poi.ss.usermodel.BorderStyle; |
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import org.apache.poi.ss.usermodel.Cell; |
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import org.apache.poi.ss.usermodel.CellStyle; |
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import org.apache.poi.ss.usermodel.CellType; |
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import org.apache.poi.ss.usermodel.DataValidation; |
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import org.apache.poi.ss.usermodel.DataValidationConstraint; |
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import org.apache.poi.ss.usermodel.DataValidationHelper; |
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import org.apache.poi.ss.usermodel.DateUtil; |
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import org.apache.poi.ss.usermodel.FillPatternType; |
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import org.apache.poi.ss.usermodel.Font; |
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import org.apache.poi.ss.usermodel.HorizontalAlignment; |
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import org.apache.poi.ss.usermodel.IndexedColors; |
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import org.apache.poi.ss.usermodel.Row; |
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import org.apache.poi.ss.usermodel.Sheet; |
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import org.apache.poi.ss.usermodel.VerticalAlignment; |
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import org.apache.poi.ss.usermodel.Workbook; |
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import org.apache.poi.ss.usermodel.WorkbookFactory; |
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import org.apache.poi.ss.util.CellRangeAddressList; |
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import org.apache.poi.xssf.streaming.SXSSFWorkbook; |
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import org.apache.poi.xssf.usermodel.XSSFDataValidation; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import com.ruoyi.common.core.text.Convert; |
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import com.ruoyi.common.exception.CustomException; |
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import com.ruoyi.common.utils.DateUtils; |
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import com.ruoyi.common.utils.StringUtils; |
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import com.ruoyi.common.utils.reflect.ReflectUtils; |
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import com.ruoyi.framework.aspectj.lang.annotation.Excel; |
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import com.ruoyi.framework.aspectj.lang.annotation.Excel.ColumnType; |
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import com.ruoyi.framework.aspectj.lang.annotation.Excel.Type; |
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import com.ruoyi.framework.aspectj.lang.annotation.Excels; |
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import com.ruoyi.framework.config.RuoYiConfig; |
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import com.ruoyi.framework.web.domain.AjaxResult; |
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/** |
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* Excel相关处理 |
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* |
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* @author ruoyi |
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*/ |
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public class ExcelUtil<T> |
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{ |
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private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class); |
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/** |
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* Excel sheet最大行数，默认65536 |
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*/ |
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public static final int sheetSize = 65536; |
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/** |
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* 工作表名称 |
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*/ |
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private String sheetName; |
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/** |
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* 导出类型（EXPORT:导出数据；IMPORT：导入模板） |
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*/ |
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private Type type; |
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/** |
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* 工作薄对象 |
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*/ |
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private Workbook wb; |
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/** |
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* 工作表对象 |
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*/ |
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private Sheet sheet; |
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/** |
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* 样式列表 |
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*/ |
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private Map<String, CellStyle> styles; |
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/** |
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* 导入导出数据列表 |
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*/ |
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private List<T> list; |
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/** |
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* 注解列表 |
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*/ |
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private List<Object[]> fields; |
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/** |
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* 实体对象 |
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*/ |
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public Class<T> clazz; |
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public ExcelUtil(Class<T> clazz) |
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{ |
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this.clazz = clazz; |
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} |
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public void init(List<T> list, String sheetName, Type type) |
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{ |
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if (list == null) |
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{ |
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list = new ArrayList<T>(); |
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} |
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this.list = list; |
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this.sheetName = sheetName; |
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this.type = type; |
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createExcelField(); |
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createWorkbook(); |
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} |
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/** |
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* 对excel表单默认第一个索引名转换成list |
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* |
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* @param is 输入流 |
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* @return 转换后集合 |
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*/ |
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public List<T> importExcel(InputStream is) throws Exception |
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{ |
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return importExcel(StringUtils.EMPTY, is); |
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} |
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/** |
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* 对excel表单指定表格索引名转换成list |
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* |
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* @param sheetName 表格索引名 |
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* @param is 输入流 |
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* @return 转换后集合 |
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*/ |
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public List<T> importExcel(String sheetName, InputStream is) throws Exception |
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{ |
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this.type = Type.IMPORT; |
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this.wb = WorkbookFactory.create(is); |
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List<T> list = new ArrayList<T>(); |
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Sheet sheet = null; |
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if (StringUtils.isNotEmpty(sheetName)) |
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{ |
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// 如果指定sheet名,则取指定sheet中的内容. |
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sheet = wb.getSheet(sheetName); |
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} |
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else |
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{ |
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// 如果传入的sheet名不存在则默认指向第1个sheet. |
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sheet = wb.getSheetAt(0); |
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} |
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if (sheet == null) |
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{ |
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throw new IOException("文件sheet不存在"); |
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} |
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int rows = sheet.getPhysicalNumberOfRows(); |
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if (rows > 0) |
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{ |
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// 定义一个map用于存放excel列的序号和field. |
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Map<String, Integer> cellMap = new HashMap<String, Integer>(); |
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// 获取表头 |
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Row heard = sheet.getRow(0); |
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for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++) |
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{ |
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Cell cell = heard.getCell(i); |
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if (StringUtils.isNotNull(cell)) |
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{ |
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String value = this.getCellValue(heard, i).toString(); |
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cellMap.put(value, i); |
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} |
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else |
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{ |
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cellMap.put(null, i); |
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} |
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} |
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// 有数据时才处理 得到类的所有field. |
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Field[] allFields = clazz.getDeclaredFields(); |
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// 定义一个map用于存放列的序号和field. |
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Map<Integer, Field> fieldsMap = new HashMap<Integer, Field>(); |
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for (int col = 0; col < allFields.length; col++) |
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{ |
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Field field = allFields[col]; |
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Excel attr = field.getAnnotation(Excel.class); |
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if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) |
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{ |
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// 设置类的私有字段属性可访问. |
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field.setAccessible(true); |
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Integer column = cellMap.get(attr.name()); |
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fieldsMap.put(column, field); |
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} |
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} |
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for (int i = 1; i < rows; i++) |
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{ |
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// 从第2行开始取数据,默认第一行是表头. |
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Row row = sheet.getRow(i); |
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T entity = null; |
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for (Map.Entry<Integer, Field> entry : fieldsMap.entrySet()) |
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{ |
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Object val = this.getCellValue(row, entry.getKey()); |
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// 如果不存在实例则新建. |
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entity = (entity == null ? clazz.newInstance() : entity); |
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// 从map中得到对应列的field. |
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Field field = fieldsMap.get(entry.getKey()); |
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// 取得类型,并根据对象类型设置值. |
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Class<?> fieldType = field.getType(); |
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if (String.class == fieldType) |
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{ |
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String s = Convert.toStr(val); |
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if (StringUtils.endsWith(s, ".0")) |
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{ |
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val = StringUtils.substringBefore(s, ".0"); |
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} |
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else |
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{ |
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val = Convert.toStr(val); |
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} |
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} |
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else if ((Integer.TYPE == fieldType) || (Integer.class == fieldType)) |
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{ |
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val = Convert.toInt(val); |
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} |
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else if ((Long.TYPE == fieldType) || (Long.class == fieldType)) |
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{ |
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val = Convert.toLong(val); |
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} |
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else if ((Double.TYPE == fieldType) || (Double.class == fieldType)) |
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{ |
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val = Convert.toDouble(val); |
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} |
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else if ((Float.TYPE == fieldType) || (Float.class == fieldType)) |
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{ |
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val = Convert.toFloat(val); |
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} |
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else if (BigDecimal.class == fieldType) |
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{ |
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val = Convert.toBigDecimal(val); |
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} |
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else if (Date.class == fieldType) |
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{ |
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if (val instanceof String) |
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{ |
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val = DateUtils.parseDate(val); |
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} |
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else if (val instanceof Double) |
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{ |
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val = DateUtil.getJavaDate((Double) val); |
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} |
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} |
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if (StringUtils.isNotNull(fieldType)) |
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{ |
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Excel attr = field.getAnnotation(Excel.class); |
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String propertyName = field.getName(); |
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if (StringUtils.isNotEmpty(attr.targetAttr())) |
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{ |
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propertyName = field.getName() + "." + attr.targetAttr(); |
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} |
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else if (StringUtils.isNotEmpty(attr.readConverterExp())) |
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{ |
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val = reverseByExp(String.valueOf(val), attr.readConverterExp()); |
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} |
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ReflectUtils.invokeSetter(entity, propertyName, val); |
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} |
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} |
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list.add(entity); |
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} |
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} |
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return list; |
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} |
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/** |
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* 对list数据源将其里面的数据导入到excel表单 |
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* |
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* @param list 导出数据集合 |
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* @param sheetName 工作表的名称 |
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* @return 结果 |
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*/ |
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public AjaxResult exportExcel(List<T> list, String sheetName) |
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{ |
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this.init(list, sheetName, Type.EXPORT); |
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return exportExcel(); |
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} |
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/** |
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* 对list数据源将其里面的数据导入到excel表单 |
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* |
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* @param sheetName 工作表的名称 |
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* @return 结果 |
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*/ |
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public AjaxResult importTemplateExcel(String sheetName) |
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{ |
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this.init(null, sheetName, Type.IMPORT); |
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return exportExcel(); |
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} |
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/** |
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* 对list数据源将其里面的数据导入到excel表单 |
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* |
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* @return 结果 |
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*/ |
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public AjaxResult exportExcel() |
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{ |
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OutputStream out = null; |
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try |
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{ |
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// 取出一共有多少个sheet. |
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double sheetNo = Math.ceil(list.size() / sheetSize); |
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for (int index = 0; index <= sheetNo; index++) |
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{ |
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createSheet(sheetNo, index); |
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// 产生一行 |
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Row row = sheet.createRow(0); |
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int column = 0; |
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// 写入各个字段的列头名称 |
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for (Object[] os : fields) |
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{ |
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Excel excel = (Excel) os[1]; |
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this.createCell(excel, row, column++); |
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} |
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if (Type.EXPORT.equals(type)) |
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{ |
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fillExcelData(index, row); |
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} |
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} |
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String filename = encodingFilename(sheetName); |
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out = new FileOutputStream(getAbsoluteFile(filename)); |
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wb.write(out); |
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return AjaxResult.success(filename); |
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} |
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catch (Exception e) |
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{ |
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log.error("导出Excel异常{}", e.getMessage()); |
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throw new CustomException("导出Excel失败，请联系网站管理员！"); |
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} |
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finally |
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{ |
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if (wb != null) |
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{ |
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try |
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{ |
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wb.close(); |
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} |
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catch (IOException e1) |
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{ |
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e1.printStackTrace(); |
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} |
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} |
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if (out != null) |
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{ |
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try |
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{ |
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out.close(); |
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} |
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catch (IOException e1) |
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{ |
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e1.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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* 填充excel数据 |
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* |
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* @param index 序号 |
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* @param row 单元格行 |
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*/ |
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public void fillExcelData(int index, Row row) |
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{ |
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int startNo = index * sheetSize; |
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int endNo = Math.min(startNo + sheetSize, list.size()); |
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for (int i = startNo; i < endNo; i++) |
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{ |
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row = sheet.createRow(i + 1 - startNo); |
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// 得到导出对象. |
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T vo = (T) list.get(i); |
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int column = 0; |
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for (Object[] os : fields) |
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{ |
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Field field = (Field) os[0]; |
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Excel excel = (Excel) os[1]; |
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// 设置实体类私有属性可访问 |
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field.setAccessible(true); |
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this.addCell(excel, row, vo, field, column++); |
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} |
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} |
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} |
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/** |
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* 创建表格样式 |
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* |
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* @param wb 工作薄对象 |
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* @return 样式列表 |
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*/ |
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private Map<String, CellStyle> createStyles(Workbook wb) |
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{ |
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// 写入各条记录,每条记录对应excel表中的一行 |
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Map<String, CellStyle> styles = new HashMap<String, CellStyle>(); |
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CellStyle style = wb.createCellStyle(); |
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style.setAlignment(HorizontalAlignment.CENTER); |
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style.setVerticalAlignment(VerticalAlignment.CENTER); |
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style.setBorderRight(BorderStyle.THIN); |
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style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); |
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style.setBorderLeft(BorderStyle.THIN); |
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style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); |
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style.setBorderTop(BorderStyle.THIN); |
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style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); |
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style.setBorderBottom(BorderStyle.THIN); |
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style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex()); |
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Font dataFont = wb.createFont(); |
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dataFont.setFontName("Arial"); |
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dataFont.setFontHeightInPoints((short) 10); |
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style.setFont(dataFont); |
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styles.put("data", style); |
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style = wb.createCellStyle(); |
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style.cloneStyleFrom(styles.get("data")); |
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style.setAlignment(HorizontalAlignment.CENTER); |
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style.setVerticalAlignment(VerticalAlignment.CENTER); |
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style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex()); |
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style.setFillPattern(FillPatternType.SOLID_FOREGROUND); |
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Font headerFont = wb.createFont(); |
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headerFont.setFontName("Arial"); |
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headerFont.setFontHeightInPoints((short) 10); |
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headerFont.setBold(true); |
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headerFont.setColor(IndexedColors.WHITE.getIndex()); |
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style.setFont(headerFont); |
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styles.put("header", style); |
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return styles; |
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} |
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/** |
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* 创建单元格 |
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*/ |
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public Cell createCell(Excel attr, Row row, int column) |
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{ |
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// 创建列 |
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Cell cell = row.createCell(column); |
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// 写入列信息 |
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cell.setCellValue(attr.name()); |
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setDataValidation(attr, row, column); |
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cell.setCellStyle(styles.get("header")); |
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return cell; |
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} |
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/** |
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* 设置单元格信息 |
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* |
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* @param value 单元格值 |
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* @param attr 注解相关 |
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* @param cell 单元格信息 |
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*/ |
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public void setCellVo(Object value, Excel attr, Cell cell) |
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{ |
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if (ColumnType.STRING == attr.cellType()) |
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{ |
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cell.setCellType(CellType.NUMERIC); |
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cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix()); |
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} |
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else if (ColumnType.NUMERIC == attr.cellType()) |
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{ |
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cell.setCellType(CellType.NUMERIC); |
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cell.setCellValue(Integer.parseInt(value + "")); |
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} |
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} |
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/** |
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* 创建表格样式 |
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*/ |
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public void setDataValidation(Excel attr, Row row, int column) |
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{ |
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if (attr.name().indexOf("注：") >= 0) |
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{ |
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sheet.setColumnWidth(column, 6000); |
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} |
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else |
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{ |
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// 设置列宽 |
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sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256)); |
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row.setHeight((short) (attr.height() * 20)); |
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} |
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// 如果设置了提示信息则鼠标放上去提示. |
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if (StringUtils.isNotEmpty(attr.prompt())) |
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{ |
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// 这里默认设了2-101列提示. |
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setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column); |
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} |
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// 如果设置了combo属性则本列只能选择不能输入 |
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if (attr.combo().length > 0) |
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{ |
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// 这里默认设了2-101列只能选择不能输入. |
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setXSSFValidation(sheet, attr.combo(), 1, 100, column, column); |
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} |
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} |
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/** |
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* 添加单元格 |
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*/ |
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public Cell addCell(Excel attr, Row row, T vo, Field field, int column) |
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{ |
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Cell cell = null; |
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try |
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{ |
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// 设置行高 |
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row.setHeight((short) (attr.height() * 20)); |
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// 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列. |
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if (attr.isExport()) |
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{ |
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// 创建cell |
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cell = row.createCell(column); |
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cell.setCellStyle(styles.get("data")); |
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// 用于读取对象中的属性 |
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Object value = getTargetValue(vo, field, attr); |
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String dateFormat = attr.dateFormat(); |
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String readConverterExp = attr.readConverterExp(); |
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if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value)) |
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{ |
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cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value)); |
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} |
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else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value)) |
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{ |
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cell.setCellValue(convertByExp(String.valueOf(value), readConverterExp)); |
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} |
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else |
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{ |
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// 设置列类型 |
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setCellVo(value, attr, cell); |
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} |
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} |
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} |
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catch (Exception e) |
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{ |
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log.error("导出Excel失败{}", e); |
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} |
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return cell; |
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} |
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/** |
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* 设置 POI XSSFSheet 单元格提示 |
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* |
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* @param sheet 表单 |
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* @param promptTitle 提示标题 |
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* @param promptContent 提示内容 |
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* @param firstRow 开始行 |
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* @param endRow 结束行 |
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* @param firstCol 开始列 |
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* @param endCol 结束列 |
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*/ |
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public void setXSSFPrompt(Sheet sheet, String promptTitle, String promptContent, int firstRow, int endRow, |
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int firstCol, int endCol) |
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{ |
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DataValidationHelper helper = sheet.getDataValidationHelper(); |
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DataValidationConstraint constraint = helper.createCustomConstraint("DD1"); |
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CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol); |
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DataValidation dataValidation = helper.createValidation(constraint, regions); |
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dataValidation.createPromptBox(promptTitle, promptContent); |
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dataValidation.setShowPromptBox(true); |
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sheet.addValidationData(dataValidation); |
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} |
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/** |
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* 设置某些列的值只能输入预制的数据,显示下拉框. |
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* |
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* @param sheet 要设置的sheet. |
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* @param textlist 下拉框显示的内容 |
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* @param firstRow 开始行 |
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* @param endRow 结束行 |
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* @param firstCol 开始列 |
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* @param endCol 结束列 |
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* @return 设置好的sheet. |
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*/ |
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public void setXSSFValidation(Sheet sheet, String[] textlist, int firstRow, int endRow, int firstCol, int endCol) |
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{ |
|
DataValidationHelper helper = sheet.getDataValidationHelper(); |
|
// 加载下拉列表内容 |
|
DataValidationConstraint constraint = helper.createExplicitListConstraint(textlist); |
|
// 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列 |
|
CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol); |
|
// 数据有效性对象 |
|
DataValidation dataValidation = helper.createValidation(constraint, regions); |
|
// 处理Excel兼容性问题 |
|
if (dataValidation instanceof XSSFDataValidation) |
|
{ |
|
dataValidation.setSuppressDropDownArrow(true); |
|
dataValidation.setShowErrorBox(true); |
|
} |
|
else |
|
{ |
|
dataValidation.setSuppressDropDownArrow(false); |
|
} |
|
|
|
sheet.addValidationData(dataValidation); |
|
} |
|
|
|
/** |
|
* 解析导出值 0=男,1=女,2=未知 |
|
* |
|
* @param propertyValue 参数值 |
|
* @param converterExp 翻译注解 |
|
* @return 解析后值 |
|
* @throws Exception |
|
*/ |
|
public static String convertByExp(String propertyValue, String converterExp) throws Exception |
|
{ |
|
try |
|
{ |
|
String[] convertSource = converterExp.split(","); |
|
for (String item : convertSource) |
|
{ |
|
String[] itemArray = item.split("="); |
|
if (itemArray[0].equals(propertyValue)) |
|
{ |
|
return itemArray[1]; |
|
} |
|
} |
|
} |
|
catch (Exception e) |
|
{ |
|
throw e; |
|
} |
|
return propertyValue; |
|
} |
|
|
|
/** |
|
* 反向解析值 男=0,女=1,未知=2 |
|
* |
|
* @param propertyValue 参数值 |
|
* @param converterExp 翻译注解 |
|
* @return 解析后值 |
|
* @throws Exception |
|
*/ |
|
public static String reverseByExp(String propertyValue, String converterExp) throws Exception |
|
{ |
|
try |
|
{ |
|
String[] convertSource = converterExp.split(","); |
|
for (String item : convertSource) |
|
{ |
|
String[] itemArray = item.split("="); |
|
if (itemArray[1].equals(propertyValue)) |
|
{ |
|
return itemArray[0]; |
|
} |
|
} |
|
} |
|
catch (Exception e) |
|
{ |
|
throw e; |
|
} |
|
return propertyValue; |
|
} |
|
|
|
/** |
|
* 编码文件名 |
|
*/ |
|
public String encodingFilename(String filename) |
|
{ |
|
filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx"; |
|
return filename; |
|
} |
|
|
|
/** |
|
* 获取下载路径 |
|
* |
|
* @param filename 文件名称 |
|
*/ |
|
public String getAbsoluteFile(String filename) |
|
{ |
|
String downloadPath = RuoYiConfig.getDownloadPath() + filename; |
|
File desc = new File(downloadPath); |
|
if (!desc.getParentFile().exists()) |
|
{ |
|
desc.getParentFile().mkdirs(); |
|
} |
|
return downloadPath; |
|
} |
|
|
|
/** |
|
* 获取bean中的属性值 |
|
* |
|
* @param vo 实体对象 |
|
* @param field 字段 |
|
* @param excel 注解 |
|
* @return 最终的属性值 |
|
* @throws Exception |
|
*/ |
|
private Object getTargetValue(T vo, Field field, Excel excel) throws Exception |
|
{ |
|
Object o = field.get(vo); |
|
if (StringUtils.isNotEmpty(excel.targetAttr())) |
|
{ |
|
String target = excel.targetAttr(); |
|
if (target.indexOf(".") > -1) |
|
{ |
|
String[] targets = target.split("[.]"); |
|
for (String name : targets) |
|
{ |
|
o = getValue(o, name); |
|
} |
|
} |
|
else |
|
{ |
|
o = getValue(o, target); |
|
} |
|
} |
|
return o; |
|
} |
|
|
|
/** |
|
* 以类的属性的get方法方法形式获取值 |
|
* |
|
* @param o |
|
* @param name |
|
* @return value |
|
* @throws Exception |
|
*/ |
|
private Object getValue(Object o, String name) throws Exception |
|
{ |
|
if (StringUtils.isNotEmpty(name)) |
|
{ |
|
Class<?> clazz = o.getClass(); |
|
String methodName = "get" + name.substring(0, 1).toUpperCase() + name.substring(1); |
|
Method method = clazz.getMethod(methodName); |
|
o = method.invoke(o); |
|
} |
|
return o; |
|
} |
|
|
|
/** |
|
* 得到所有定义字段 |
|
*/ |
|
private void createExcelField() |
|
{ |
|
this.fields = new ArrayList<Object[]>(); |
|
List<Field> tempFields = new ArrayList<>(); |
|
tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields())); |
|
tempFields.addAll(Arrays.asList(clazz.getDeclaredFields())); |
|
for (Field field : tempFields) |
|
{ |
|
// 单注解 |
|
if (field.isAnnotationPresent(Excel.class)) |
|
{ |
|
putToField(field, field.getAnnotation(Excel.class)); |
|
} |
|
|
|
// 多注解 |
|
if (field.isAnnotationPresent(Excels.class)) |
|
{ |
|
Excels attrs = field.getAnnotation(Excels.class); |
|
Excel[] excels = attrs.value(); |
|
for (Excel excel : excels) |
|
{ |
|
putToField(field, excel); |
|
} |
|
} |
|
} |
|
this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList()); |
|
} |
|
|
|
/** |
|
* 放到字段集合中 |
|
*/ |
|
private void putToField(Field field, Excel attr) |
|
{ |
|
if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) |
|
{ |
|
this.fields.add(new Object[] { field, attr }); |
|
} |
|
} |
|
|
|
/** |
|
* 创建一个工作簿 |
|
*/ |
|
public void createWorkbook() |
|
{ |
|
this.wb = new SXSSFWorkbook(500); |
|
} |
|
|
|
/** |
|
* 创建工作表 |
|
* |
|
* @param sheetNo sheet数量 |
|
* @param index 序号 |
|
*/ |
|
public void createSheet(double sheetNo, int index) |
|
{ |
|
this.sheet = wb.createSheet(); |
|
this.styles = createStyles(wb); |
|
// 设置工作表的名称. |
|
if (sheetNo == 0) |
|
{ |
|
wb.setSheetName(index, sheetName); |
|
} |
|
else |
|
{ |
|
wb.setSheetName(index, sheetName + index); |
|
} |
|
} |
|
|
|
/** |
|
* 获取单元格值 |
|
* |
|
* @param row 获取的行 |
|
* @param column 获取单元格列号 |
|
* @return 单元格值 |
|
*/ |
|
public Object getCellValue(Row row, int column) |
|
{ |
|
if (row == null) |
|
{ |
|
return row; |
|
} |
|
Object val = ""; |
|
try |
|
{ |
|
Cell cell = row.getCell(column); |
|
if (StringUtils.isNotNull(cell)) |
|
{ |
|
if (cell.getCellTypeEnum() == CellType.NUMERIC || cell.getCellTypeEnum() == CellType.FORMULA) |
|
{ |
|
val = cell.getNumericCellValue(); |
|
if (HSSFDateUtil.isCellDateFormatted(cell)) |
|
{ |
|
val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换 |
|
} |
|
else |
|
{ |
|
if ((Double) val % 1 > 0) |
|
{ |
|
val = new DecimalFormat("0.00").format(val); |
|
} |
|
else |
|
{ |
|
val = new DecimalFormat("0").format(val); |
|
} |
|
} |
|
} |
|
else if (cell.getCellTypeEnum() == CellType.STRING) |
|
{ |
|
val = cell.getStringCellValue(); |
|
} |
|
else if (cell.getCellTypeEnum() == CellType.BOOLEAN) |
|
{ |
|
val = cell.getBooleanCellValue(); |
|
} |
|
else if (cell.getCellTypeEnum() == CellType.ERROR) |
|
{ |
|
val = cell.getErrorCellValue(); |
|
} |
|
|
|
} |
|
} |
|
catch (Exception e) |
|
{ |
|
return val; |
|
} |
|
return val; |
|
} |
|
} |