导出Excel，@Excel注解使用dictType属性时，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，大大提高了导出效率。
This commit is contained in:
wzy1024
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package com.ruoyi.common.utils.poi;
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package com.ruoyi.common.utils.poi;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.lang.reflect.ParameterizedType;
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import java.math.BigDecimal;
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import java.text.DecimalFormat;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Comparator;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.UUID;
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import java.util.stream.Collectors;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.lang3.ArrayUtils;
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import org.apache.commons.lang3.RegExUtils;
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import org.apache.commons.lang3.reflect.FieldUtils;
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import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
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import org.apache.poi.hssf.usermodel.HSSFPicture;
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import org.apache.poi.hssf.usermodel.HSSFPictureData;
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import org.apache.poi.hssf.usermodel.HSSFShape;
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import org.apache.poi.hssf.usermodel.HSSFSheet;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.ooxml.POIXMLDocumentPart;
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import org.apache.poi.ss.usermodel.BorderStyle;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.CellStyle;
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import org.apache.poi.ss.usermodel.CellType;
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import org.apache.poi.ss.usermodel.ClientAnchor;
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import org.apache.poi.ss.usermodel.DataValidation;
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import org.apache.poi.ss.usermodel.DataValidationConstraint;
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import org.apache.poi.ss.usermodel.DataValidationHelper;
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import org.apache.poi.ss.usermodel.DateUtil;
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import org.apache.poi.ss.usermodel.Drawing;
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import org.apache.poi.ss.usermodel.FillPatternType;
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import org.apache.poi.ss.usermodel.Font;
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import org.apache.poi.ss.usermodel.HorizontalAlignment;
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import org.apache.poi.ss.usermodel.IndexedColors;
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import org.apache.poi.ss.usermodel.Name;
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import org.apache.poi.ss.usermodel.PictureData;
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import org.apache.poi.ss.usermodel.Row;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.usermodel.VerticalAlignment;
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.ss.usermodel.WorkbookFactory;
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import org.apache.poi.ss.util.CellRangeAddress;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.util.IOUtils;
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import org.apache.poi.xssf.streaming.SXSSFWorkbook;
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import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
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import org.apache.poi.xssf.usermodel.XSSFDataValidation;
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import org.apache.poi.xssf.usermodel.XSSFDrawing;
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import org.apache.poi.xssf.usermodel.XSSFPicture;
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import org.apache.poi.xssf.usermodel.XSSFShape;
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import org.apache.poi.xssf.usermodel.XSSFSheet;
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import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.ruoyi.common.annotation.Excel;
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import com.ruoyi.common.annotation.Excel;
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import com.ruoyi.common.annotation.Excel.ColumnType;
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import com.ruoyi.common.annotation.Excel.ColumnType;
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import com.ruoyi.common.annotation.Excel.Type;
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import com.ruoyi.common.annotation.Excel.Type;
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@ -84,6 +15,32 @@ import com.ruoyi.common.utils.file.FileTypeUtils;
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import com.ruoyi.common.utils.file.FileUtils;
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import com.ruoyi.common.utils.file.FileUtils;
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import com.ruoyi.common.utils.file.ImageUtils;
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import com.ruoyi.common.utils.file.ImageUtils;
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import com.ruoyi.common.utils.reflect.ReflectUtils;
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import com.ruoyi.common.utils.reflect.ReflectUtils;
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import org.apache.commons.lang3.ArrayUtils;
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import org.apache.commons.lang3.RegExUtils;
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import org.apache.commons.lang3.reflect.FieldUtils;
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import org.apache.poi.hssf.usermodel.*;
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import org.apache.poi.ooxml.POIXMLDocumentPart;
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import org.apache.poi.ss.usermodel.*;
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import org.apache.poi.ss.util.CellRangeAddress;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.util.IOUtils;
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import org.apache.poi.xssf.streaming.SXSSFWorkbook;
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import org.apache.poi.xssf.usermodel.*;
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import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.servlet.http.HttpServletResponse;
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import java.io.*;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.lang.reflect.ParameterizedType;
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import java.math.BigDecimal;
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import java.text.DecimalFormat;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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/**
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* Excel相关处理
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* Excel相关处理
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@ -98,6 +55,12 @@ public class ExcelUtil<T>
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public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
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public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
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/**
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* 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。
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* 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
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*/
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public Map<String,String> sysDictMap = new HashMap<String,String>();
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/**
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/**
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* Excel sheet最大行数，默认65536
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* Excel sheet最大行数，默认65536
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*/
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*/
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}
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}
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else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))
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else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))
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{
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{
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cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator));
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if (!sysDictMap.containsKey(dictType+value)){
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String lable = convertDictByExp(Convert.toStr(value), dictType, separator);
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sysDictMap.put(dictType+value,lable);
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}
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cell.setCellValue(sysDictMap.get(dictType+value));
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}
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}
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else if (value instanceof BigDecimal && -1 != attr.scale())
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else if (value instanceof BigDecimal && -1 != attr.scale())
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{
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{
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