From 5e8ccda522d4288774cd6a80edd57bb63a914909 Mon Sep 17 00:00:00 2001
From: coolkidhay <coolkidhay@foxmail.com>
Date: 星期三, 09 三月 2022 14:39:19 +0800
Subject: [PATCH] 日期转换错误，issue地址：https://gitee.com/y_project/RuoYi-Vue/issues/I4X0U7
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 78 +++++++++++++++++++++++++++++---------
1 files changed, 59 insertions(+), 19 deletions(-)
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 4169360..eb94075 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.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;
@@ -86,6 +88,8 @@
{
private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
+ public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
+
/**
* Excel sheet最大行数，默认65536
*/
@@ -130,7 +134,7 @@
* 当前行号
*/
private int rownum;
-
+
/**
* 标题
*/
@@ -312,7 +316,7 @@
String dateFormat = field.getAnnotation(Excel.class).dateFormat();
if (StringUtils.isNotEmpty(dateFormat))
{
- val = DateUtils.parseDateToStr(dateFormat, (Date) val);
+ val = parseDateToStr(dateFormat, val);
}
else
{
@@ -324,7 +328,7 @@
{
val = Convert.toInt(val);
}
- else if (Long.TYPE == fieldType || Long.class == fieldType)
+ else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
{
val = Convert.toLong(val);
}
@@ -407,7 +411,7 @@
{
return exportExcel(list, sheetName, StringUtils.EMPTY);
}
-
+
/**
* 对list数据源将其里面的数据导入到excel表单
*
@@ -429,9 +433,8 @@
* @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)throws IOException
+ public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
{
exportExcel(response, list, sheetName, StringUtils.EMPTY);
}
@@ -444,14 +447,13 @@
* @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) throws IOException
+ public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
{
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
this.init(list, sheetName, title, Type.EXPORT);
- exportExcel(response.getOutputStream());
+ exportExcel(response);
}
/**
@@ -484,7 +486,7 @@
* @param sheetName 工作表的名称
* @return 结果
*/
- public void importTemplateExcel(HttpServletResponse response, String sheetName) throws IOException
+ public void importTemplateExcel(HttpServletResponse response, String sheetName)
{
importTemplateExcel(response, sheetName, StringUtils.EMPTY);
}
@@ -496,12 +498,12 @@
* @param title 标题
* @return 结果
*/
- public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) throws IOException
+ public void importTemplateExcel(HttpServletResponse response, String sheetName, String title)
{
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
this.init(null, sheetName, title, Type.IMPORT);
- exportExcel(response.getOutputStream());
+ exportExcel(response);
}
/**
@@ -509,12 +511,12 @@
*
* @return 结果
*/
- public void exportExcel(OutputStream out)
+ public void exportExcel(HttpServletResponse response)
{
try
{
writeSheet();
- wb.write(out);
+ wb.write(response.getOutputStream());
}
catch (Exception e)
{
@@ -523,7 +525,6 @@
finally
{
IOUtils.closeQuietly(wb);
- IOUtils.closeQuietly(out);
}
}
@@ -711,7 +712,13 @@
{
if (ColumnType.STRING == attr.cellType())
{
- cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
+ String cellValue = Convert.toStr(value);
+ // 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。
+ if (StringUtils.containsAny(cellValue, FORMULA_STR))
+ {
+ cellValue = StringUtils.replaceEach(cellValue, FORMULA_STR, new String[] { "\t=", "\t-", "\t+", "\t@" });
+ }
+ cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
}
else if (ColumnType.NUMERIC == attr.cellType())
{
@@ -816,7 +823,7 @@
String dictType = attr.dictType();
if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
{
- cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
+ cell.setCellValue(parseDateToStr(dateFormat, value));
}
else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
{
@@ -1114,7 +1121,7 @@
if (StringUtils.isNotEmpty(excel.targetAttr()))
{
String target = excel.targetAttr();
- if (target.indexOf(".") > -1)
+ if (target.contains("."))
{
String[] targets = target.split("[.]");
for (String name : targets)
@@ -1209,7 +1216,7 @@
for (Object[] os : this.fields)
{
Excel excel = (Excel) os[1];
- maxHeight = maxHeight > excel.height() ? maxHeight : excel.height();
+ maxHeight = Math.max(maxHeight, excel.height());
}
return (short) (maxHeight * 20);
}
@@ -1389,4 +1396,37 @@
}
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;
+ }
}
--
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