From 740129723618ecb38eab386cb9dce504dc0481c3 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Sat, 22 Aug 2020 14:56:28 +0800
Subject: [PATCH] Excel注解支持设置BigDecimal精度&舍入规则

---
 ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
index 6e13b2b..0ca07f0 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
@@ -194,7 +194,10 @@
                     // 设置类的私有字段属性可访问.
                     field.setAccessible(true);
                     Integer column = cellMap.get(attr.name());
-                    fieldsMap.put(column, field);
+                    if (column != null)
+                    {
+                        fieldsMap.put(column, field);
+                    }
                 }
             }
             for (int i = 1; i < rows; i++)
@@ -465,7 +468,7 @@
     {
         if (ColumnType.STRING == attr.cellType())
         {
-            cell.setCellType(CellType.NUMERIC);
+            cell.setCellType(CellType.STRING);
             cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
         }
         else if (ColumnType.NUMERIC == attr.cellType())
@@ -533,6 +536,10 @@
                 else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
                 {
                     cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
+                }
+                else if (value instanceof BigDecimal && -1 != attr.scale())
+                {
+                    cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());
                 }
                 else
                 {
@@ -831,7 +838,7 @@
                     {
                         if ((Double) val % 1 > 0)
                         {
-                            val = new DecimalFormat("0.00").format(val);
+                            val = new BigDecimal(val.toString());
                         }
                         else
                         {

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