!686 导出Excel，提高导出效率 Merge pull request !686 from wzy1024/wzy1024

若依

2023-04-05 e7f088552f97a71cd27631b019df923ef91e7d6f

 ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java

@@ -1,74 +1,5 @@
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;

@@ -84,6 +15,32 @@
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

@@ -97,6 +54,12 @@
    public static final String FORMULA_REGEX_STR = "=|-|\\+|@";



    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

     */

    public Map<String,String> sysDictMap = new HashMap<String,String>();



    /**

     * Excel sheet最大行数，默认65536

@@ -1034,7 +997,11 @@
                }

                else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))

                {

                    cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator));

                    if (!sysDictMap.containsKey(dictType+value)){

                        String lable = convertDictByExp(Convert.toStr(value), dictType, separator);

                        sysDictMap.put(dictType+value,lable);

                    }

                    cell.setCellValue(sysDictMap.get(dictType+value));

                }

                else if (value instanceof BigDecimal && -1 != attr.scale())

                {

@@ -1321,7 +1288,7 @@
     */

    public String encodingFilename(String filename)

    {

        filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx";

        filename = UUID.randomUUID() + "_" + filename + ".xlsx";

        return filename;

    }



@@ -1440,7 +1407,8 @@
                    Excel[] excels = attrs.value();

                    for (Excel attr : excels)

                    {

                        if (attr != null && (attr.type() == Type.ALL || attr.type() == type))

                        if (!ArrayUtils.contains(this.excludeFields, field.getName() + "." + attr.targetAttr())

                                && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))

                        {

                            field.setAccessible(true);

                            fields.add(new Object[] { field, attr });

@@ -1598,7 +1566,7 @@
                    HSSFPicture pic = (HSSFPicture) shape;

                    int pictureIndex = pic.getPictureIndex() - 1;

                    HSSFPictureData picData = pictures.get(pictureIndex);

                    String picIndex = String.valueOf(anchor.getRow1()) + "_" + String.valueOf(anchor.getCol1());

                    String picIndex = anchor.getRow1() + "_" + anchor.getCol1();

                    sheetIndexPicMap.put(picIndex, picData);

                }

            }