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excel增加导出图片功能

This commit is contained in:
reginfos 2020-03-02 10:41:50 +08:00
parent 9247e004d0
commit b133e80454
2 changed files with 45 additions and 59 deletions
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2
ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java
View File

@ -97,7 +97,7 @@ public @interface Excel
public enum ColumnType
{
NUMERIC(0), STRING(1);
NUMERIC(0), STRING(1), IMAGE(2);
private final int value;
ColumnType(int value)

64
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
View File

@ -1,44 +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.math.BigDecimal;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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.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.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.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.CellRangeAddressList;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFDataValidation;
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;
@ -50,6 +11,22 @@ import com.ruoyi.common.exception.BusinessException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.reflect.ReflectUtils;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFDataValidation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.util.*;
/**
* Excel相关处理
@ -483,6 +460,15 @@ public class ExcelUtil<T>
cell.setCellType(CellType.NUMERIC);
cell.setCellValue(Integer.parseInt(value + ""));
}
else if (ColumnType.IMAGE == attr.cellType())
{
if(value != null && value instanceof byte[]){
Drawing<?> patriarch = cell.getSheet().createDrawingPatriarch();
XSSFClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRowIndex(), (short) cell.getColumnIndex() + 1, cell.getRowIndex() + 1);
int pictureIndex = cell.getSheet().getWorkbook().addPicture((byte[]) value, HSSFWorkbook.PICTURE_TYPE_JPEG);
patriarch.createPicture(anchor, pictureIndex);
}
}
}
/**