派生自 projectDept/qhighschool

yn147
2023-05-10 96286178ee1c257c130cb2ad964a781f36c4eee5
src/main/java/com/qxueyou/scc/base/util/ImageUtils.java
@@ -30,50 +30,50 @@
         Ellipse2D.Double shapeEllipse = new Ellipse2D.Double(0, 0, Math.min(bi1.getWidth(),bi1.getHeight()),
               Math.min(bi1.getWidth(),bi1.getHeight()));
         // 设置透明背景
         // 设置透明背景
         BufferedImage bi2 = new BufferedImage(bi1.getWidth(),
               bi1.getHeight(), BufferedImage.TRANSLUCENT);
         Graphics2D g2 = bi2.createGraphics();
         g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
         g2.setClip(shapeEllipse);
         // 画图片
         // 画图片
         g2.drawImage(bi1, 0, 0, null);
         g2.dispose();
         ImageIO.write(bi2, "PNG", file);
      } catch (IOException e) {
         log.error("图片处理失败", e);
         log.error("图片处理失败", e);
      }
   }
   //矩形头像
   //矩形头像
   public static void doRectangle(File file){
      try {
         BufferedImage bi1 = ImageIO.read(file);
         Rectangle2D.Double shapeRectangle = new Rectangle2D.Double(0, 0, Math.min(bi1.getWidth(),bi1.getHeight()),
               Math.min(bi1.getWidth(),bi1.getHeight()));
         // 设置透明背景
         // 设置透明背景
         BufferedImage bi2 = new BufferedImage(bi1.getWidth(),
               bi1.getHeight(), BufferedImage.TRANSLUCENT);
         Graphics2D g2 = bi2.createGraphics();
         g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
         g2.setClip(shapeRectangle);
         // 画图片
         // 画图片
         g2.drawImage(bi1, 0, 0, null);
         g2.dispose();
         ImageIO.write(bi2, "PNG", file);
      } catch (IOException e) {
         log.error("图片处理失败", e);
         log.error("图片处理失败", e);
      }
   }
   
   /**
    * 为图片生成缩略图
    * 为图片生成缩略图
    * @param file
    */
   public static void decreaseSizeImage(File file) {
@@ -87,12 +87,12 @@
         int height = bi1.getHeight();
         
         // 设置透明背景
         // 设置透明背景
         BufferedImage bi2 = new BufferedImage(getPriviewImageWidth(width,height),
               getPriviewImageHeight(width,height), bi1.getType());
         Graphics2D g2 = bi2.createGraphics();
         // 画图片
         // 画图片
         Image image = bi1.getScaledInstance(getPriviewImageWidth(width,height), getPriviewImageHeight(width,height), Image.SCALE_DEFAULT);  
         g2.drawImage(image, 0, 0, null);
         g2.dispose();
@@ -100,7 +100,7 @@
         ImageIO.write(bi2, "PNG", createPreviewFile(file));
      } catch (IOException e) {
         log.error("图片处理失败", e);
         log.error("图片处理失败", e);
      }
   }
   
@@ -136,7 +136,7 @@
      }
   }
   
   public static String encodeImgageToBase64(String imgStr) { // 将图片文件转化为字节数组字符串,并对其进行Base64编码处理
   public static String encodeImgageToBase64(String imgStr) { // 将图片文件转化为字节数组字符串,并对其进行Base64编码处理
        
      
      ByteArrayOutputStream outputStream = null;  
@@ -150,9 +150,9 @@
        } catch (IOException e) {  
            e.printStackTrace();  
        }  
        // 对字节数组Base64编码
        // 对字节数组Base64编码
        BASE64Encoder encoder = new BASE64Encoder();  
        return encoder.encode(outputStream.toByteArray());// 返回Base64编码过的字节数组字符串
        return encoder.encode(outputStream.toByteArray());// 返回Base64编码过的字节数组字符串
    } 
   
   public static void main(String[] args){