3 changed files with 84 additions and 26 deletions
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package com.epmet.excel.converter; |
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import com.alibaba.excel.converters.Converter; |
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import com.alibaba.excel.enums.CellDataTypeEnum; |
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import com.alibaba.excel.metadata.GlobalConfiguration; |
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import com.alibaba.excel.metadata.data.ReadCellData; |
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import com.alibaba.excel.metadata.data.WriteCellData; |
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import com.alibaba.excel.metadata.property.ExcelContentProperty; |
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import java.text.SimpleDateFormat; |
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import java.time.LocalDateTime; |
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import java.time.ZoneId; |
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import java.time.temporal.ChronoUnit; |
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import java.util.Date; |
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/** |
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* 框架:easyexcel |
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* 目的:工作日志(服务),对服务时间日期类型的转换 |
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*/ |
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public class WorkDiaryServiceEasyExcelDateConverter implements Converter<Date> { |
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private static final String PATTERN_YYYY_MM_DD = "yyyy-MM-dd"; |
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/** |
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* excel内容转化为java时间 |
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* @param cellData |
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* @param contentProperty |
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* @param globalConfiguration |
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* @return |
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* @throws Exception |
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*/ |
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public Date convertToJavaData(ReadCellData<?> cellData, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) throws Exception { |
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if (cellData.getType() == CellDataTypeEnum.NUMBER) { |
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// 数字类型,是1900-01-03到excel中数据日期的天数差值
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LocalDateTime localDate = LocalDateTime.of(1900, 1, 1, 0, 0, 0) |
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// 不知为何,这个日期差值,多了2天,需要减去
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.minus(2L, ChronoUnit.DAYS) |
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.plus(cellData.getNumberValue().longValue(), ChronoUnit.DAYS); |
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return Date.from(localDate.atZone(ZoneId.systemDefault()).toInstant()); |
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} else { |
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// 字符串,正常格式化
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Date dateData = new SimpleDateFormat(PATTERN_YYYY_MM_DD).parse(cellData.getStringValue()); |
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return dateData; |
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} |
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} |
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/** |
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* java日期转为excel内容 |
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* @param value |
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* @param contentProperty |
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* @param globalConfiguration |
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* @return |
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* @throws Exception |
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*/ |
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public WriteCellData<?> convertToExcelData(Date value, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) throws Exception { |
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String dataStr = new SimpleDateFormat(PATTERN_YYYY_MM_DD).format(value); |
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return new WriteCellData(dataStr); |
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} |
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} |
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