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!686 导出Excel，提高导出效率

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Merge pull request !686 from wzy1024/wzy1024
This commit is contained in:
若依
2023-04-05 09:36:45 +00:00
committed by Gitee
parent 5c4682e060 a907f8485c
commit e7f088552f
1 changed files with 37 additions and 70 deletions
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107
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
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@@ -1,74 +1,5 @@
package com.ruoyi.common.utils.poi; 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;
import com.ruoyi.common.annotation.Excel.ColumnType; import com.ruoyi.common.annotation.Excel.ColumnType;
import com.ruoyi.common.annotation.Excel.Type; import com.ruoyi.common.annotation.Excel.Type;
@@ -84,6 +15,32 @@ import com.ruoyi.common.utils.file.FileTypeUtils;
import com.ruoyi.common.utils.file.FileUtils; import com.ruoyi.common.utils.file.FileUtils;
import com.ruoyi.common.utils.file.ImageUtils; import com.ruoyi.common.utils.file.ImageUtils;
import com.ruoyi.common.utils.reflect.ReflectUtils; 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 * Excel相关处理
@@ -98,6 +55,12 @@ public class ExcelUtil<T>
public static final String[] FORMULA_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 * Excel sheet最大行数，默认65536
*/ */
@@ -1034,7 +997,11 @@ public class ExcelUtil<T>
} }
else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value)) 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()) else if (value instanceof BigDecimal && -1 != attr.scale())
{ {