From ac030b727559d3521689c27d99e410fb6462515a Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Sat, 26 Feb 2022 09:54:52 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96Excel=E6=A0=BC=E5=BC=8F?=
=?UTF-8?q?=E5=8C=96=E4=B8=8D=E5=90=8C=E7=B1=BB=E5=9E=8B=E7=9A=84=E6=97=A5?=
=?UTF-8?q?=E6=9C=9F=E5=AF=B9=E8=B1=A1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
.../com/ruoyi/common/utils/DateUtils.java | 36 ++++++++++++++-
.../com/ruoyi/common/utils/poi/ExcelUtil.java | 45 ++++++++++++++++---
2 files changed, 73 insertions(+), 8 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/DateUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/DateUtils.java
index 8ff95f1b..a2cb78d9 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/DateUtils.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/DateUtils.java
@@ -3,6 +3,11 @@ package com.ruoyi.common.utils;
import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
import java.util.Date;
import org.apache.commons.lang3.time.DateFormatUtils;
@@ -22,7 +27,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
-
+
private static String[] parsePatterns = {
"yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
"yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
@@ -121,7 +126,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
return null;
}
}
-
+
/**
* 获取服务器启动时间
*/
@@ -131,6 +136,14 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
return new Date(time);
}
+ /**
+ * 计算相差天数
+ */
+ public static int differentDaysByMillisecond(Date date1, Date date2)
+ {
+ return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
+ }
+
/**
* 计算两个时间差
*/
@@ -152,4 +165,23 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
// long sec = diff % nd % nh % nm / ns;
return day + "天" + hour + "小时" + min + "分钟";
}
+
+ /**
+ * 增加 LocalDateTime ==> Date
+ */
+ public static Date toDate(LocalDateTime temporalAccessor)
+ {
+ ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
+ return Date.from(zdt.toInstant());
+ }
+
+ /**
+ * 增加 LocalDate ==> Date
+ */
+ public static Date toDate(LocalDate temporalAccessor)
+ {
+ LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
+ ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
+ return Date.from(zdt.toInstant());
+ }
}
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index f852f951..7c4510a5 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -9,6 +9,8 @@ import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.text.DecimalFormat;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
@@ -132,7 +134,7 @@ public class ExcelUtil<T>
* 当前行号
*/
private int rownum;
-
+
/**
* 标题
*/
@@ -314,7 +316,7 @@ public class ExcelUtil<T>
String dateFormat = field.getAnnotation(Excel.class).dateFormat();
if (StringUtils.isNotEmpty(dateFormat))
{
- val = DateUtils.parseDateToStr(dateFormat, (Date) val);
+ val = parseDateToStr(dateFormat, (Date) val);
}
else
{
@@ -409,7 +411,7 @@ public class ExcelUtil<T>
{
return exportExcel(list, sheetName, StringUtils.EMPTY);
}
-
+
/**
* 对list数据源将其里面的数据导入到excel表单
*
@@ -431,7 +433,6 @@ public class ExcelUtil<T>
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @return 结果
- * @throws IOException
*/
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
{
@@ -446,7 +447,6 @@ public class ExcelUtil<T>
* @param sheetName 工作表的名称
* @param title 标题
* @return 结果
- * @throws IOException
*/
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
{
@@ -823,7 +823,7 @@ public class ExcelUtil<T>
String dictType = attr.dictType();
if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
{
- cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
+ cell.setCellValue(parseDateToStr(dateFormat, (Date) value));
}
else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
{
@@ -1396,4 +1396,37 @@ public class ExcelUtil<T>
}
return sheetIndexPicMap;
}
+
+ /**
+ * 格式化不同类型的日期对象
+ *
+ * @param dateFormat 日期格式
+ * @param val 被格式化的日期对象
+ * @return 格式化后的日期字符
+ */
+ public String parseDateToStr(String dateFormat, Object val)
+ {
+ if (val == null)
+ {
+ return "";
+ }
+ String str;
+ if (val instanceof Date)
+ {
+ str = DateUtils.parseDateToStr(dateFormat, (Date) val);
+ }
+ else if (val instanceof LocalDateTime)
+ {
+ str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
+ }
+ else if (val instanceof LocalDate)
+ {
+ str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
+ }
+ else
+ {
+ str = val.toString();
+ }
+ return str;
+ }
}