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解决jdk1.7会出现的com.sun.image.codec.jpeg不存在

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This commit is contained in:
KeYuan 2017-06-22 00:21:29 +08:00
parent d7da9ea98c
commit e0681eb769
1 changed files with 12 additions and 5 deletions
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17
src/main/java/com/key/common/base/action/JcaptchaAction.java
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@ -3,6 +3,7 @@ package com.key.common.base.action;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import javax.imageio.ImageIO;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@ -14,8 +15,8 @@ import org.springframework.beans.factory.annotation.Autowired;
import com.key.common.utils.web.Struts2Utils;
import com.octo.captcha.service.image.ImageCaptchaService;
import com.opensymphony.xwork2.ActionSupport;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
//import com.sun.image.codec.jpeg.JPEGCodec;
//import com.sun.image.codec.jpeg.JPEGImageEncoder;
@Namespaces({ @Namespace("/") })
public class JcaptchaAction extends ActionSupport {
@ -26,6 +27,7 @@ public class JcaptchaAction extends ActionSupport {
public String execute() throws Exception {
HttpServletRequest request = Struts2Utils.getRequest();
HttpServletResponse response = Struts2Utils.getResponse();
ByteArrayOutputStream out = null;
byte[] captchaChallengeAsJpeg = null;
// the output stream to render the captcha image as jpeg into
ByteArrayOutputStream jpegOutputStream = new ByteArrayOutputStream();
@ -36,9 +38,14 @@ public class JcaptchaAction extends ActionSupport {
String captchaId = request.getSession().getId();
// call the ImageCaptchaService getChallenge method
BufferedImage challenge = imageCaptchaService.getImageChallengeForID(captchaId, request.getLocale());
// a jpeg encoder
JPEGImageEncoder jpegEncoder = JPEGCodec.createJPEGEncoder(jpegOutputStream);
jpegEncoder.encode(challenge);
// a jpeg encoder
/*** jdk1.7之后默认不支持了 **/
// JPEGImageEncoder jpegEncoder = JPEGCodec.createJPEGEncoder(jpegOutputStream);
// jpegEncoder.encode(challenge);
// 换成新版图片api
ImageIO.write(challenge, "jpg", jpegOutputStream);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();