From da146c2a708387059d4e31cbe1db0fdd8ceb41e3 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期三, 19 八月 2020 11:20:31 +0800
Subject: [PATCH] Excel注解支持设置BigDecimal精度&舍入规则
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 16 ++++++++++++++--
ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java | 13 ++++++++++++-
2 files changed, 26 insertions(+), 3 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java b/ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java
index eed41a2..f781b1e 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java
@@ -4,6 +4,7 @@
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
+import java.math.BigDecimal;
/**
* 自定义导出Excel数据注解
@@ -30,7 +31,7 @@
public String dateFormat() default "";
/**
- * 如果是字典类型，请设置字典的type值
+ * 如果是字典类型，请设置字典的type值 (如: sys_user_sex)
*/
public String dictType() default "";
@@ -45,6 +46,16 @@
public String separator() default ",";
/**
+ * BigDecimal 精度 默认:-1(默认不开启BigDecimal格式化)
+ */
+ public int scale() default -1;
+
+ /**
+ * BigDecimal 舍入规则 默认:BigDecimal.ROUND_HALF_EVEN
+ */
+ public int roundingMode() default BigDecimal.ROUND_HALF_EVEN;
+
+ /**
* 导出类型（0数字 1字符串）
*/
public ColumnType cellType() default ColumnType.STRING;
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 d950b77..d5a23b1 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
@@ -8,6 +8,7 @@
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.math.BigDecimal;
+import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
@@ -546,9 +547,13 @@
{
cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
}
- else if (StringUtils.isNotEmpty(dictType))
+ else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))
{
cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator));
+ }
+ else if (value instanceof BigDecimal && -1 != attr.scale())
+ {
+ cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());
}
else
{
@@ -896,7 +901,14 @@
}
else
{
- val = new BigDecimal(val.toString()); // 浮点格式处理
+ if ((Double) val % 1 > 0)
+ {
+ val = new BigDecimal(val.toString());
+ }
+ else
+ {
+ val = new DecimalFormat("0").format(val);
+ }
}
}
else if (cell.getCellTypeEnum() == CellType.STRING)
--
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