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Excel注解支持Image图片导入

This commit is contained in:
RuoYi 2021-08-11 10:13:34 +08:00
parent 1f07641d9b
commit 7be17ea89a
4 changed files with 264 additions and 91 deletions
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8
ruoyi-common/src/main/java/com/ruoyi/common/config/RuoYiConfig.java
View File

@ -90,6 +90,14 @@ public class RuoYiConfig
RuoYiConfig.addressEnabled = addressEnabled;
}
/**
* 获取导入上传路径
*/
public static String getImportPath()
{
return getProfile() + "/import";
}
/**
* 获取头像上传路径
*/

4
ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUploadUtils.java
View File

@ -127,7 +127,7 @@ public class FileUploadUtils
return fileName;
}
private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
public static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
{
File desc = new File(uploadDir + File.separator + fileName);
@ -141,7 +141,7 @@ public class FileUploadUtils
return desc;
}
private static final String getPathFileName(String uploadDir, String fileName) throws IOException
public static final String getPathFileName(String uploadDir, String fileName) throws IOException
{
int dirLastIndex = RuoYiConfig.getProfile().length() + 1;
String currentDir = StringUtils.substring(uploadDir, dirLastIndex);

87
ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
View File

@ -3,6 +3,7 @@ package com.ruoyi.common.utils.file;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
@ -10,8 +11,12 @@ import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.ArrayUtils;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.uuid.IdUtils;
/**
* 文件处理工具类
@ -53,29 +58,48 @@ public class FileUtils
}
finally
{
if (os != null)
IOUtils.close(os);
IOUtils.close(fis);
}
}
/**
* 写数据到文件中
*
* @param data 数据
* @return 目标文件
* @throws IOException IO异常
*/
public static String writeImportBytes(byte[] data) throws IOException
{
return writeBytes(data, RuoYiConfig.getImportPath());
}
/**
* 写数据到文件中
*
* @param data 数据
* @param uploadDir 目标文件
* @return 目标文件
* @throws IOException IO异常
*/
public static String writeBytes(byte[] data, String uploadDir) throws IOException
{
FileOutputStream fos = null;
String pathName = "";
try
{
os.close();
String extension = getFileExtendName(data);
pathName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
File file = FileUploadUtils.getAbsoluteFile(uploadDir, pathName);
fos = new FileOutputStream(file);
fos.write(data);
}
catch (IOException e1)
finally
{
e1.printStackTrace();
}
}
if (fis != null)
{
try
{
fis.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
IOUtils.close(fos);
}
return FileUploadUtils.getPathFileName(uploadDir, pathName);
}
/**
@ -200,4 +224,33 @@ public class FileUtils
String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
return encode.replaceAll("\\+", "%20");
}
/**
* 获取图像后缀
*
* @param photoByte 图像数据
* @return 后缀名
*/
public static String getFileExtendName(byte[] photoByte)
{
String strFileExtendName = "jpg";
if ((photoByte[0] == 71) && (photoByte[1] == 73) && (photoByte[2] == 70) && (photoByte[3] == 56)
&& ((photoByte[4] == 55) || (photoByte[4] == 57)) && (photoByte[5] == 97))
{
strFileExtendName = "gif";
}
else if ((photoByte[6] == 74) && (photoByte[7] == 70) && (photoByte[8] == 73) && (photoByte[9] == 70))
{
strFileExtendName = "jpg";
}
else if ((photoByte[0] == 66) && (photoByte[1] == 77))
{
strFileExtendName = "bmp";
}
else if ((photoByte[1] == 80) && (photoByte[2] == 78) && (photoByte[3] == 71))
{
strFileExtendName = "png";
}
return strFileExtendName;
}
}

222
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
View File

@ -18,6 +18,8 @@ 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.poi.ooxml.POIXMLDocumentPart;
import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
@ -32,15 +34,23 @@ 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.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.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;
@ -55,6 +65,7 @@ import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.DictUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.file.FileTypeUtils;
import com.ruoyi.common.utils.file.FileUtils;
import com.ruoyi.common.utils.file.ImageUtils;
import com.ruoyi.common.utils.reflect.ReflectUtils;
@ -168,24 +179,15 @@ public class ExcelUtil<T>
this.type = Type.IMPORT;
this.wb = WorkbookFactory.create(is);
List<T> list = new ArrayList<T>();
Sheet sheet = null;
if (StringUtils.isNotEmpty(sheetName))
{
// 如果指定sheet名,则取指定sheet中的内容.
sheet = wb.getSheet(sheetName);
}
else
{
// 如果传入的sheet名不存在则默认指向第1个sheet.
sheet = wb.getSheetAt(0);
}
// 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet
Sheet sheet = StringUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0);
if (sheet == null)
{
throw new IOException("文件sheet不存在");
}
int rows = sheet.getPhysicalNumberOfRows();
Map<String, PictureData> pictures = getSheetPictrues((XSSFSheet) sheet, (XSSFWorkbook) wb);
// 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)
{
@ -225,11 +227,12 @@ public class ExcelUtil<T>
}
}
}
for (int i = 1; i < rows; i++)
for (int i = 1; i <= rows; i++)
{
// 从第2行开始取数据,默认第一行是表头.
Row row = sheet.getRow(i);
if(row == null)
// 判断当前行是否是空行
if (isRowEmpty(row))
{
continue;
}
@ -315,6 +318,20 @@ public class ExcelUtil<T>
{
val = reverseDictByExp(Convert.toStr(val), attr.dictType(), attr.separator());
}
else if (ColumnType.IMAGE == attr.cellType())
{
if (StringUtils.isNull(pictures))
{
val = "";
}
PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey());
if (image == null)
{
val = "";
}
byte[] data = image.getData();
val = FileUtils.writeImportBytes(data);
}
ReflectUtils.invokeSetter(entity, propertyName, val);
}
}
@ -337,6 +354,23 @@ public class ExcelUtil<T>
return exportExcel();
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param response 返回数据
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @return 结果
* @throws IOException
*/
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) throws IOException
{
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
this.init(list, sheetName, Type.EXPORT);
exportExcel(response.getOutputStream());
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
@ -349,6 +383,43 @@ public class ExcelUtil<T>
return exportExcel();
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @return 结果
*/
public void importTemplateExcel(HttpServletResponse response, String sheetName) throws IOException
{
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
this.init(null, sheetName, Type.IMPORT);
exportExcel(response.getOutputStream());
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @return 结果
*/
public void exportExcel(OutputStream out)
{
try
{
writeSheet();
wb.write(out);
}
catch (Exception e)
{
log.error("导出Excel异常{}", e.getMessage());
}
finally
{
IOUtils.closeQuietly(wb);
IOUtils.closeQuietly(out);
}
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
@ -358,6 +429,29 @@ public class ExcelUtil<T>
{
OutputStream out = null;
try
{
writeSheet();
String filename = encodingFilename(sheetName);
out = new FileOutputStream(getAbsoluteFile(filename));
wb.write(out);
return AjaxResult.success(filename);
}
catch (Exception e)
{
log.error("导出Excel异常{}", e.getMessage());
throw new CustomException("导出Excel失败，请联系网站管理员！");
}
finally
{
IOUtils.closeQuietly(wb);
IOUtils.closeQuietly(out);
}
}
/**
* 创建写入数据到Sheet
*/
public void writeSheet()
{
// 取出一共有多少个sheet.
double sheetNo = Math.ceil(list.size() / sheetSize);
@ -380,41 +474,6 @@ public class ExcelUtil<T>
addStatisticsRow();
}
}
String filename = encodingFilename(sheetName);
out = new FileOutputStream(getAbsoluteFile(filename));
wb.write(out);
return AjaxResult.success(filename);
}
catch (Exception e)
{
log.error("导出Excel异常{}", e.getMessage());
throw new CustomException("导出Excel失败，请联系网站管理员！");
}
finally
{
if (wb != null)
{
try
{
wb.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
if (out != null)
{
try
{
out.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
}
}
/**
@ -548,8 +607,7 @@ public class ExcelUtil<T>
}
else if (ColumnType.IMAGE == attr.cellType())
{
ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1),
cell.getRow().getRowNum() + 1);
ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1);
String imagePath = Convert.toStr(value);
if (StringUtils.isNotEmpty(imagePath))
{
@ -859,10 +917,9 @@ public class ExcelUtil<T>
{
if (statistics.size() > 0)
{
Cell cell = null;
Row row = sheet.createRow(sheet.getLastRowNum() + 1);
Set<Integer> keys = statistics.keySet();
cell = row.createCell(0);
Cell cell = row.createCell(0);
cell.setCellStyle(styles.get("total"));
cell.setCellValue("合计");
@ -1097,4 +1154,59 @@ public class ExcelUtil<T>
}
return val;
}
/**
* 判断是否是空行
*
* @param row 判断的行
* @return
*/
private boolean isRowEmpty(Row row)
{
if (row == null)
{
return true;
}
for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++)
{
Cell cell = row.getCell(i);
if (cell != null && cell.getCellType() != CellType.BLANK)
{
return false;
}
}
return true;
}
/**
* 获取Excel图片
*
* @param sheet 当前sheet对象
* @param workbook 工作簿对象
* @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
*/
public static Map<String, PictureData> getSheetPictrues(XSSFSheet sheet, XSSFWorkbook workbook)
{
Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
for (POIXMLDocumentPart dr : sheet.getRelations())
{
if (dr instanceof XSSFDrawing)
{
XSSFDrawing drawing = (XSSFDrawing) dr;
List<XSSFShape> shapes = drawing.getShapes();
for (XSSFShape shape : shapes)
{
if (shape instanceof XSSFPicture)
{
XSSFPicture pic = (XSSFPicture) shape;
XSSFClientAnchor anchor = pic.getPreferredSize();
CTMarker ctMarker = anchor.getFrom();
String picIndex = ctMarker.getRow() + "_" + ctMarker.getCol();
sheetIndexPicMap.put(picIndex, pic.getPictureData());
}
}
}
}
return sheetIndexPicMap;
}
}