From af47b774448bfa3ece4741664ce4d24128c8f629 Mon Sep 17 00:00:00 2001
From: fei <791364011@qq.com>
Date: 星期一, 01 九月 2025 14:29:50 +0800
Subject: [PATCH] 新增了代码
---
ruoyi-admin/src/main/java/com/ruoyi/web/controller/archive/DocumentMaterialsController.java | 32 +++++++++++++++++++++++++++++++-
1 files changed, 31 insertions(+), 1 deletions(-)
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/archive/DocumentMaterialsController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/archive/DocumentMaterialsController.java
index 81cfc31..a38294e 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/archive/DocumentMaterialsController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/archive/DocumentMaterialsController.java
@@ -3,10 +3,14 @@
import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
import java.util.List;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;
+import com.drew.imaging.ImageMetadataReader;
+import com.drew.metadata.Metadata;
+import com.drew.metadata.exif.ExifIFD0Directory;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.utils.ServletUtils;
@@ -15,6 +19,9 @@
import com.ruoyi.domain.DocumentMaterials;
import com.ruoyi.framework.config.ServerConfig;
import com.ruoyi.service.IDocumentMaterialsService;
+import com.sun.xml.internal.ws.api.addressing.WSEndpointReference;
+import org.apache.commons.imaging.ImageInfo;
+import org.apache.commons.imaging.Imaging;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
@@ -126,6 +133,19 @@
return toAjax(documentMaterialsService.deleteDocumentMaterialsByMaterialIds(materialIds));
}
+ public String getPageSize(double du)
+ {
+ if(du <= 8699840)
+ return "A4";
+ else if(du <= 17403188)
+ return "A3";
+ else if(du <= 34811347)
+ return "A2";
+ else if(du <= 69622674)
+ return "A1";
+ else
+ return "A0";
+ }
@PostMapping("/upload")
public AjaxResult uploadFile(MultipartFile file) throws Exception
@@ -156,10 +176,20 @@
int hei = bufferedImage.getHeight();
double sz = Double.parseDouble(String.format("%.2f", file.getSize()*1.0/1024));
System.out.println(wid+":"+hei+":"+sz);
+ //鎷垮埌鍥惧儚鐨刣pi淇℃伅
+
+ ImageInfo info = Imaging.getImageInfo(file.getBytes());
+
+
+ int wdpi = info.getPhysicalWidthDpi() ;
+ int hdpi = info.getPhysicalHeightDpi();
+ System.out.println("DPI: " + info.getPhysicalWidthDpi());
//璁＄畻fileNumber
Long fileNumber = documentMaterialsService.getFiNum(nam);
+ //璁＄畻sizeType
+ String sizeType = getPageSize(wid*hei);
//鎻掑叆鏁版嵁搴撳搴旂殑url褰撲腑
- documentMaterialsService.updateByPageNumber(nam, fileNumber,wid, hei, sz, fileName, pname);
+ documentMaterialsService.updateByPageNumber(nam, sizeType, fileNumber,wid, hei,wdpi, hdpi, sz, fileName, pname);
// System.out.println(url);
// System.out.println(fileName);
ajax.put("fileName", fileName);
--
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