From dff1e7c324c627a971438b0e21d5f3f7dc1c3ea5 Mon Sep 17 00:00:00 2001
From: whyclj <1525436766@qq.com>
Date: 星期六, 29 六月 2019 13:27:34 +0800
Subject: [PATCH] 修改图片导出是自适应图片宽高
---
sensor/src/com/fgkj/servlets/EchartPictureDowloadServlet.java | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/sensor/src/com/fgkj/servlets/EchartPictureDowloadServlet.java b/sensor/src/com/fgkj/servlets/EchartPictureDowloadServlet.java
index 982fed7..9f10e29 100644
--- a/sensor/src/com/fgkj/servlets/EchartPictureDowloadServlet.java
+++ b/sensor/src/com/fgkj/servlets/EchartPictureDowloadServlet.java
@@ -132,8 +132,9 @@
InputStream buffin = new ByteArrayInputStream(b);
src = ImageIO.read(buffin);
int widthYuan = src.getWidth(); // 寰楀埌婧愬浘瀹�
- int heightYuan = src.getHeight(); // 寰楀埌婧愬浘闀�
- picPX[i] = (double)widthYuan/heightYuan;
+ int heightYuan = src.getHeight(); // 寰楀埌婧愬浘楂�
+ //System.out.println("width:"+widthYuan+"\theight:"+heightYuan+"\t鍗曞厓鏍煎:"+swidth+"\t鍗曞厓鏍奸珮"+sheight);
+ picPX[i] = (double)widthYuan/(heightYuan*4);
} catch (IOException e) {
e.printStackTrace();
}
@@ -147,7 +148,8 @@
sheet1.getRow(rownum).createCell(0).setCellValue(i>=picName.length?"":picName[i]);
rownum++;
- HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 512, 255,(short) 0, rownum, (short) Math.ceil(10*picPX[i]), 25 + rownum-1);
+
+ HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 512, 255,(short) 0, rownum, (short) Math.ceil(25*picPX[i]), 25 + rownum-1);
anchor.setAnchorType(3);
patriarch.createPicture(anchor,wb.addPicture(bytes.get(i),HSSFWorkbook.PICTURE_TYPE_PNG));
rownum+=26;
--
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