--update ImagesService.resImage()

src/main/java/com/ekexiu/portal/service/ImagesService.java

@@ -1,7 +1,5 @@
package com.ekexiu.portal.service;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
@@ -39,6 +37,7 @@ public class ImagesService {
	private File tmpPath;
	private File resourcePath;
	private int resImageMaxLen = 240;
	private static final String JPG = "jpg";
	@Autowrie
	private ImageDao imageDao;
	
@@ -74,22 +73,10 @@ public class ImagesService {
		this.imageDao = imageDao;
	}
	
	/**
	 * 图片按比例缩放
	 * @param src 原图片
	 * @param maxLen 最长一边的长度
	 * @return 返回缩放后的图片
	 * @throws IOException
	 */
	public static byte[] resImage(byte[] src, int maxLen) throws IOException{
	private byte[] resImage(byte[] src, int maxLen) throws IOException {
		ByteArrayInputStream in = new ByteArrayInputStream(src);
		ByteArrayOutputStream out = new ByteArrayOutputStream();
		BufferedImage bi = ImageIO.read(in);
	    double max = bi.getWidth()>bi.getHeight()?bi.getWidth():bi.getHeight();
	    double scaling = maxLen/max;
	    AffineTransformOp ato = new AffineTransformOp(AffineTransform.getScaleInstance(scaling,scaling), null);
		java.awt.Image Itemp = ato.filter(bi, null);
		ImageIO.write((BufferedImage) Itemp, "jpg", out);
		JpgUtil.scalingZoom(in, out, maxLen);
		out.flush();
		return out.toByteArray();
	}
@@ -114,16 +101,15 @@ public class ImagesService {
			throws SQLException, IOException, JfwBaseException {
		byte[] src = this.readTmpFile(fn);
		src = JpgUtil.read(src);
		byte[] shareResImage = resImage(src, this.resImageMaxLen);
		IoUtil.saveStream(new FileOutputStream(new File(this.resourcePath, resourceId + ".jpg")), src, true);
		IoUtil.saveStream(new FileOutputStream(new File(this.resourcePath, resourceId + "_s.jpg")), shareResImage, true);
		
		byte[] shareResImage = this.resImage(src, this.resImageMaxLen);
		IoUtil.saveStream(new FileOutputStream(new File(this.resourcePath, resourceId + "." + JPG)), src, true);
		IoUtil.saveStream(new FileOutputStream(new File(this.resourcePath, resourceId + "_s." + JPG)), shareResImage, true);
		Image image1 = this.imageDao.queryOne(con, resourceId);
		if(null == image1){
			Image image = new Image();
			String imageId = StringUtil.buildUUID();
			image.setImageId(imageId);
			String imageSrc = this.resourcePath + "/" + resourceId + ".jpg";
			String imageSrc = this.resourcePath + "/" + resourceId + "." + JPG;
			image.setImageSrc(imageSrc);
			image.setResourceId(resourceId);
			this.imageDao.insert(con, image);
@@ -138,8 +124,8 @@ public class ImagesService {
	public String insertResourceImg(@JdbcConn(true) Connection con, String resourceId, String base64, Integer angle) throws SQLException, IOException {
		Base64 bs64 = new Base64();
		byte[] bs = bs64.decode(base64.getBytes("UTF-8"));
		String imageSrc = this.resourcePath + "/" + resourceId + ".jpg";
		String resImage = this.resourcePath + "/" + resourceId + "_s.jpg";
		String imageSrc = this.resourcePath + "/" + resourceId + "." + JPG;
		String resImage = this.resourcePath + "/" + resourceId + "_s." + JPG;
		FileOutputStream fos = new FileOutputStream(imageSrc);
		FileOutputStream fos2 = new FileOutputStream(resImage);
		try {
@@ -152,7 +138,7 @@ public class ImagesService {
				BufferedImage des = PictureRotating.Rotate(image, angle);
				ByteArrayOutputStream out = new ByteArrayOutputStream();
				@SuppressWarnings("unused")
				boolean flag = ImageIO.write(des, "jpg", out);
				boolean flag = ImageIO.write(des, JPG, out);
				byte[] bytes = out.toByteArray();
				byte[] bs2 = resImage(bytes, this.resImageMaxLen);
				fos.write(bytes);