From 9447449a738fed988753e14f2b2df7bb373b7823 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期三, 19 八月 2020 11:22:33 +0800
Subject: [PATCH] Excel注解支持设置BigDecimal精度&舍入规则

---
 src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java |   16 ++++++++++++++--
 1 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 764c5d7..5527511 100644
--- a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/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()); // 娴偣鏍煎紡澶勭悊
+                        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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