github
/
RuoYi
mirror of https://gitee.com/y_project/RuoYi.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Excel注解支持Image图片导入

pull/323/MERGE
RuoYi 2021-08-11 09:35:05 +08:00
parent f34cd1d9b8
commit e39f8f9127
4 changed files with 141 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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);

97
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
@ -53,31 +58,50 @@ public class FileUtils
}
finally
{
if (os != null)
{
try
{
os.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
if (fis != null)
{
try
{
fis.close();
}
catch (IOException e1)
{
e1.printStackTrace();
}
}
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
{
String extension = getFileExtendName(data);
pathName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
File file = FileUploadUtils.getAbsoluteFile(uploadDir, pathName);
fos = new FileOutputStream(file);
fos.write(data);
}
finally
{
IOUtils.close(fos);
}
return FileUploadUtils.getPathFileName(uploadDir, pathName);
}
/**
* 删除文件
*
@ -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;
}
}

57
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
View File

@ -19,6 +19,7 @@ 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;
@ -33,6 +34,7 @@ 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;
@ -43,6 +45,12 @@ 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;
@ -57,6 +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;
@ -176,7 +185,7 @@ public class ExcelUtil<T>
{
throw new IOException("文件sheet不存在");
}
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();
@ -309,6 +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);
}
}
@ -1154,4 +1177,36 @@ public class ExcelUtil<T>
}
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;
}
}