From 6a742e1d1bb1fc8c7809ab993367c85daf7a54b4 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期六, 19 八月 2023 15:43:57 +0800
Subject: [PATCH] Excel导入数据临时文件无法删除问题(I7KIXX)
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 136 ++++++++++++++++++++++++++++++++-------------
1 files changed, 96 insertions(+), 40 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 76b5bf4..349ee75 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
@@ -1,5 +1,74 @@
package com.ruoyi.common.utils.poi;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.ParameterizedType;
+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.Collection;
+import java.util.Comparator;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+import java.util.stream.Collectors;
+import javax.servlet.http.HttpServletResponse;
+import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.lang3.RegExUtils;
+import org.apache.commons.lang3.reflect.FieldUtils;
+import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
+import org.apache.poi.hssf.usermodel.HSSFPicture;
+import org.apache.poi.hssf.usermodel.HSSFPictureData;
+import org.apache.poi.hssf.usermodel.HSSFShape;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.ooxml.POIXMLDocumentPart;
+import org.apache.poi.ss.usermodel.BorderStyle;
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.CellStyle;
+import org.apache.poi.ss.usermodel.CellType;
+import org.apache.poi.ss.usermodel.ClientAnchor;
+import org.apache.poi.ss.usermodel.DataValidation;
+import org.apache.poi.ss.usermodel.DataValidationConstraint;
+import org.apache.poi.ss.usermodel.DataValidationHelper;
+import org.apache.poi.ss.usermodel.DateUtil;
+import org.apache.poi.ss.usermodel.Drawing;
+import org.apache.poi.ss.usermodel.FillPatternType;
+import org.apache.poi.ss.usermodel.Font;
+import org.apache.poi.ss.usermodel.HorizontalAlignment;
+import org.apache.poi.ss.usermodel.IndexedColors;
+import org.apache.poi.ss.usermodel.Name;
+import org.apache.poi.ss.usermodel.PictureData;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.VerticalAlignment;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.ss.usermodel.WorkbookFactory;
+import org.apache.poi.ss.util.CellRangeAddress;
+import org.apache.poi.ss.util.CellRangeAddressList;
+import org.apache.poi.util.IOUtils;
+import org.apache.poi.xssf.streaming.SXSSFWorkbook;
+import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
+import org.apache.poi.xssf.usermodel.XSSFDataValidation;
+import org.apache.poi.xssf.usermodel.XSSFDrawing;
+import org.apache.poi.xssf.usermodel.XSSFPicture;
+import org.apache.poi.xssf.usermodel.XSSFShape;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import com.ruoyi.common.annotation.Excel;
import com.ruoyi.common.annotation.Excel.ColumnType;
import com.ruoyi.common.annotation.Excel.Type;
@@ -15,32 +84,6 @@
import com.ruoyi.common.utils.file.FileUtils;
import com.ruoyi.common.utils.file.ImageUtils;
import com.ruoyi.common.utils.reflect.ReflectUtils;
-import org.apache.commons.lang3.ArrayUtils;
-import org.apache.commons.lang3.RegExUtils;
-import org.apache.commons.lang3.reflect.FieldUtils;
-import org.apache.poi.hssf.usermodel.*;
-import org.apache.poi.ooxml.POIXMLDocumentPart;
-import org.apache.poi.ss.usermodel.*;
-import org.apache.poi.ss.util.CellRangeAddress;
-import org.apache.poi.ss.util.CellRangeAddressList;
-import org.apache.poi.util.IOUtils;
-import org.apache.poi.xssf.streaming.SXSSFWorkbook;
-import org.apache.poi.xssf.usermodel.*;
-import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.servlet.http.HttpServletResponse;
-import java.io.*;
-import java.lang.reflect.Field;
-import java.lang.reflect.Method;
-import java.lang.reflect.ParameterizedType;
-import java.math.BigDecimal;
-import java.text.DecimalFormat;
-import java.time.LocalDate;
-import java.time.LocalDateTime;
-import java.util.*;
-import java.util.stream.Collectors;
/**
* Excel相关处理
@@ -56,10 +99,9 @@
public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
/**
- * 导出Excel时，如果有大量的字典数据，就会有大量的查询redis(打开、关闭)，导致特别慢。
- * 于是使用map存储字典数据，相同的key就不需要再次去查询redis
+ * 用于dictType属性数据存储，避免重复查缓存
*/
- public Map<String,String> sysDictMap = new HashMap<String,String>();
+ public Map<String, String> sysDictMap = new HashMap<String, String>();
/**
* Excel sheet最大行数，默认65536
@@ -246,9 +288,23 @@
* @param is 输入流
* @return 转换后集合
*/
- public List<T> importExcel(InputStream is) throws Exception
+ public List<T> importExcel(InputStream is)
{
- return importExcel(is, 0);
+ List<T> list = null;
+ try
+ {
+ list = importExcel(is, 0);
+ }
+ catch (Exception e)
+ {
+ log.error("导入Excel异常{}", e.getMessage());
+ throw new UtilException(e.getMessage());
+ }
+ finally
+ {
+ IOUtils.closeQuietly(is);
+ }
+ return list;
}
/**
@@ -294,7 +350,6 @@
}
// 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
int rows = sheet.getLastRowNum();
-
if (rows > 0)
{
// 定义一个map用于存放excel列的序号和field.
@@ -419,7 +474,7 @@
}
else if (!attr.handler().equals(ExcelHandlerAdapter.class))
{
- val = dataFormatHandlerAdapter(val, attr);
+ val = dataFormatHandlerAdapter(val, attr, null);
}
else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures))
{
@@ -997,11 +1052,12 @@
}
else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))
{
- if (!sysDictMap.containsKey(dictType+value)){
+ if (!sysDictMap.containsKey(dictType + value))
+ {
String lable = convertDictByExp(Convert.toStr(value), dictType, separator);
- sysDictMap.put(dictType+value,lable);
+ sysDictMap.put(dictType + value, lable);
}
- cell.setCellValue(sysDictMap.get(dictType+value));
+ cell.setCellValue(sysDictMap.get(dictType + value));
}
else if (value instanceof BigDecimal && -1 != attr.scale())
{
@@ -1009,7 +1065,7 @@
}
else if (!attr.handler().equals(ExcelHandlerAdapter.class))
{
- cell.setCellValue(dataFormatHandlerAdapter(value, attr));
+ cell.setCellValue(dataFormatHandlerAdapter(value, attr, cell));
}
else
{
@@ -1222,13 +1278,13 @@
* @param excel 数据注解
* @return
*/
- public String dataFormatHandlerAdapter(Object value, Excel excel)
+ public String dataFormatHandlerAdapter(Object value, Excel excel, Cell cell)
{
try
{
Object instance = excel.handler().newInstance();
- Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class });
- value = formatMethod.invoke(instance, value, excel.args());
+ Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class, Cell.class, Workbook.class });
+ value = formatMethod.invoke(instance, value, excel.args(), cell, this.wb);
}
catch (Exception e)
{
--
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