From 66e8b59e26aaa7fca8131d61c6f0ac55bb1f2c69 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Wed, 26 Aug 2020 15:40:00 +0800
Subject: [PATCH] 导出Excel调整targetAttr获取值方法，防止get方法不规范
---
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java | 89 +++++++++++++++++++++++++++++++++++++++++---
1 files changed, 82 insertions(+), 7 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..3f70ea6 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
@@ -4,7 +4,6 @@
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Field;
-import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.util.ArrayList;
@@ -14,6 +13,7 @@
import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import java.util.Set;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletResponse;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
@@ -96,6 +96,16 @@
* 注解列表
*/
private List<Object[]> fields;
+
+ /**
+ * 统计列表
+ */
+ private Map<Integer, Double> statistics = new HashMap<Integer, Double>();
+
+ /**
+ * 数字格式
+ */
+ private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");
/**
* 实体对象
@@ -194,7 +204,10 @@
// 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++)
@@ -334,6 +347,7 @@
if (Type.EXPORT.equals(type))
{
fillExcelData(index, row);
+ addStatisticsRow();
}
}
wb.write(outputStream);
@@ -436,6 +450,15 @@
headerFont.setColor(IndexedColors.WHITE.getIndex());
style.setFont(headerFont);
styles.put("header", style);
+
+ style = wb.createCellStyle();
+ style.setAlignment(HorizontalAlignment.CENTER);
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
+ Font totalFont = wb.createFont();
+ totalFont.setFontName("Arial");
+ totalFont.setFontHeightInPoints((short) 10);
+ style.setFont(totalFont);
+ styles.put("total", style);
return styles;
}
@@ -465,7 +488,7 @@
{
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())
@@ -534,11 +557,16 @@
{
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
{
// 设置列类型
setCellVo(value, attr, cell);
}
+ addStatisticsData(column, Convert.toStr(value), attr);
}
}
catch (Exception e)
@@ -680,6 +708,53 @@
}
/**
+ * 合计统计信息
+ */
+ private void addStatisticsData(Integer index, String text, Excel entity)
+ {
+ if (entity != null && entity.isStatistics())
+ {
+ Double temp = 0D;
+ if (!statistics.containsKey(index))
+ {
+ statistics.put(index, temp);
+ }
+ try
+ {
+ temp = Double.valueOf(text);
+ }
+ catch (NumberFormatException e)
+ {
+ }
+ statistics.put(index, statistics.get(index) + temp);
+ }
+ }
+
+ /**
+ * 创建统计行
+ */
+ public void addStatisticsRow()
+ {
+ if (statistics.size() > 0)
+ {
+ Cell cell = null;
+ Row row = sheet.createRow(sheet.getLastRowNum() + 1);
+ Set<Integer> keys = statistics.keySet();
+ cell = row.createCell(0);
+ cell.setCellStyle(styles.get("total"));
+ cell.setCellValue("合计");
+
+ for (Integer key : keys)
+ {
+ cell = row.createCell(key);
+ cell.setCellStyle(styles.get("total"));
+ cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
+ }
+ statistics.clear();
+ }
+ }
+
+ /**
* 获取bean中的属性值
*
* @param vo 实体对象
@@ -723,9 +798,9 @@
if (StringUtils.isNotEmpty(name))
{
Class<?> clazz = o.getClass();
- String methodName = "get" + name.substring(0, 1).toUpperCase() + name.substring(1);
- Method method = clazz.getMethod(methodName);
- o = method.invoke(o);
+ Field field = clazz.getDeclaredField(name);
+ field.setAccessible(true);
+ o = field.get(o);
}
return o;
}
@@ -831,7 +906,7 @@
{
if ((Double) val % 1 > 0)
{
- val = new DecimalFormat("0.00").format(val);
+ val = new BigDecimal(val.toString());
}
else
{
--
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