From 8e90b643a4b4e037fa276bad4b0ffece71034aa9 Mon Sep 17 00:00:00 2001
From: walkertest <49718754+walkertest@users.noreply.github.com>
Date: Thu, 27 Jun 2019 20:09:13 +0800
Subject: [PATCH] fix

---
 src/main/java/com/wf/captcha/ChineseCaptcha.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/wf/captcha/ChineseCaptcha.java b/src/main/java/com/wf/captcha/ChineseCaptcha.java
index 6d524a3..1f198a3 100644
--- a/src/main/java/com/wf/captcha/ChineseCaptcha.java
+++ b/src/main/java/com/wf/captcha/ChineseCaptcha.java
@@ -5,6 +5,8 @@ import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.io.OutputStream;
+import com.sun.image.codec.jpeg.JPEGCodec;
+import com.sun.image.codec.jpeg.JPEGImageEncoder;
 
 public class ChineseCaptcha extends ChineseCaptchaAbstract {
 
@@ -90,7 +92,10 @@ public class ChineseCaptcha extends ChineseCaptchaAbstract {
             drawLine(2, g.getColor(), g);
             // 画干扰圆圈
             drawOval(5, g.getColor(), g);
-            ImageIO.write(bi, "png", out);
+            
+            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
+            encoder.encode(bi);
+//             ImageIO.write(bi, "png", out);
             out.flush();
             ok = true;
         } catch (IOException e) {