修复导出一人一档人脸
parent
bd3a568910
commit
e324518713
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@ -22,6 +22,7 @@ import com.zcloud.edu.domain.model.archives.ArchivesPdfFileE;
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import com.zcloud.edu.domain.model.archives.ClassArchivesE;
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import com.zcloud.edu.domain.model.archives.PersonArchivesE;
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import com.zcloud.edu.domain.model.study.*;
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import com.zcloud.edu.domain.utils.FixedPictureUtils;
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import com.zcloud.edu.dto.archives.ArchivesPdfFilePageQry;
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import com.zcloud.edu.dto.archives.ArchivesQry;
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import com.zcloud.edu.dto.clientobject.archives.ArchivesPdfFileCO;
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@ -910,15 +911,21 @@ public class ArchivesQueryExe {
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item.setUserIdCard(userIdCardString);
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Map<String, Object> itemMap = PropertyUtils.describe(item);
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if(!ObjectUtils.isEmpty(item.getSignFaceUrl())){
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PictureRenderData signPicture = Pictures.ofUrl(fileUrlConfig.getPrefixUrl() + item.getSignFaceUrl(), PictureType.JPEG).size(40, 60).create();//网络图片地址
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// PictureRenderData signPicture = Pictures.ofUrl(fileUrlConfig.getPrefixUrl() + item.getSignFaceUrl(), PictureType.JPEG).size(50, 50).create();//网络图片地址
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PictureRenderData signPicture = FixedPictureUtils.ofNormalUrl(fileUrlConfig.getPrefixUrl() + item.getSignFaceUrl(), 50, 50);
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itemMap.put("signPicture", signPicture);
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}
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if(!ObjectUtils.isEmpty(item.getExamFaceUrl())){
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PictureRenderData examPicture = Pictures.ofUrl(fileUrlConfig.getPrefixUrl() + item.getExamFaceUrl(), PictureType.JPEG).size(40, 60).create();//网络图片地址
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// PictureRenderData examPicture = Pictures.ofUrl(fileUrlConfig.getPrefixUrl() + item.getExamFaceUrl(), PictureType.JPEG).size(50, 50).create();//网络图片地址
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PictureRenderData examPicture = FixedPictureUtils.ofNormalUrl(fileUrlConfig.getPrefixUrl() + item.getExamFaceUrl(), 50, 50);
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itemMap.put("examPicture", examPicture);
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}
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if(!ObjectUtils.isEmpty(item.getUserAvatarUrl())){
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PictureRenderData facePicture = Pictures.ofUrl(fileUrlConfig.getPrefixUrl() + item.getUserAvatarUrl(), PictureType.JPEG).size(40, 60).create();//网络图片地址
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// PictureRenderData facePicture = Pictures.ofUrl(fileUrlConfig.getPrefixUrl() + item.getUserAvatarUrl(), PictureType.JPEG).size(50, 50).style("rotation:90;").create();//网络图片地址
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PictureRenderData facePicture = FixedPictureUtils.ofNormalUrl(fileUrlConfig.getPrefixUrl() + item.getUserAvatarUrl(), 50, 50);
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itemMap.put("facePicture", facePicture);
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}
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int index = atomicIndex.getAndIncrement();
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@ -0,0 +1,199 @@
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package com.zcloud.edu.domain.utils;
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import com.deepoove.poi.data.PictureRenderData;
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import com.deepoove.poi.data.Pictures;
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import javax.imageio.ImageIO;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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import java.util.Iterator;
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import javax.imageio.ImageReader;
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import javax.imageio.metadata.IIOMetadata;
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import javax.imageio.metadata.IIOMetadataNode;
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import javax.imageio.stream.ImageInputStream;
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public class FixedPictureUtils {
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/**
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* 替代Pictures.ofUrl()，返回正常方向的PictureRenderData
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* @param imgUrl 图片URL
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* @param width 插入宽度（px）
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* @param height 插入高度（px）
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* @return 正常显示的PictureRenderData
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* @throws IOException IO异常
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*/
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public static PictureRenderData ofNormalUrl(String imgUrl, int width, int height) throws IOException {
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// 1. 从URL读取图片字节（纯JDK8原生）
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byte[] imgBytes = readBytesFromUrl(imgUrl);
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// 2. 修复图片旋转（核心：移除containsTree()依赖）
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byte[] fixedImgBytes = fixImageRotationForJdk8(imgBytes);
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// 3. 构建PictureRenderData（使用ofBytes方法）
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return Pictures.ofBytes(fixedImgBytes)
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.size(width, height)
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.create();
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}
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/**
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* JDK8原生：从URL读取字节数组（无第三方依赖）
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*/
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private static byte[] readBytesFromUrl(String url) throws IOException {
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URL picUrl = new URL(url);
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try (InputStream is = picUrl.openStream();
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ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
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byte[] buffer = new byte[1024];
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int len;
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while ((len = is.read(buffer)) != -1) {
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baos.write(buffer, 0, len);
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}
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return baos.toByteArray();
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}
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}
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/**
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* 核心：修复图片EXIF旋转（移除containsTree()依赖）
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*/
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private static byte[] fixImageRotationForJdk8(byte[] imageBytes) throws IOException {
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try (ByteArrayInputStream bais = new ByteArrayInputStream(imageBytes);
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ImageInputStream iis = ImageIO.createImageInputStream(bais)) {
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// 获取图片读取器
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Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
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if (!readers.hasNext()) {
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return imageBytes; // 无读取器，返回原字节
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}
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ImageReader reader = readers.next();
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reader.setInput(iis, true);
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// 1. 获取旋转角度（绕开containsTree()）
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int rotation = getExifRotationWithoutContainsTree(reader);
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if (rotation == 0) {
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reader.dispose();
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return imageBytes; // 无需旋转，直接返回
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}
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// 2. 读取原始图片
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BufferedImage original = reader.read(0);
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reader.dispose();
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// 3. 旋转图片
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BufferedImage rotated = rotateImageForJdk8(original, rotation);
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// 4. 转为字节返回
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try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
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String format = getImageFormatForJdk8(imageBytes);
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ImageIO.write(rotated, format, baos);
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return baos.toByteArray();
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}
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}
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}
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/**
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* 关键修正：绕开containsTree()，解析EXIF旋转角度
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*/
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private static int getExifRotationWithoutContainsTree(ImageReader reader) {
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try {
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IIOMetadata metadata = reader.getImageMetadata(0);
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String exifFormat = "javax_imageio_jpeg_image_1.0";
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// 直接尝试获取元数据树，不先判断containsTree()
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// 捕获异常即可，无需提前检查
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Object metadataTree;
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try {
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metadataTree = metadata.getAsTree(exifFormat);
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} catch (IllegalArgumentException e) {
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// 不支持该格式，返回0度
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return 0;
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}
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if (!(metadataTree instanceof IIOMetadataNode)) {
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return 0;
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}
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IIOMetadataNode root = (IIOMetadataNode) metadataTree;
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IIOMetadataNode exifNode = getChildNodeForJdk8(root, "app0JFIF");
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if (exifNode == null) {
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exifNode = getChildNodeForJdk8(root, "exif");
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}
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if (exifNode == null) return 0;
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// 解析Orientation参数
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String orientation = exifNode.getAttribute("Orientation");
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if (orientation == null || orientation.trim().isEmpty()) return 0;
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int ori = Integer.parseInt(orientation);
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switch (ori) {
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case 3: return 180;
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case 6: return 90;
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case 8: return 270;
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default: return 0;
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}
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} catch (Exception e) {
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// 任何异常都返回0度（比如元数据解析失败）
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return 0;
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}
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}
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/**
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* JDK8适配：获取XML子节点
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*/
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private static IIOMetadataNode getChildNodeForJdk8(IIOMetadataNode parent, String name) {
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for (int i = 0; i < parent.getLength(); i++) {
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Object item = parent.item(i);
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if (item instanceof IIOMetadataNode) {
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IIOMetadataNode node = (IIOMetadataNode) item;
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if (name.equals(node.getNodeName())) {
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return node;
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}
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}
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}
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return null;
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}
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/**
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* JDK8适配：旋转图片（解决JDK8 Graphics2D兼容问题）
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*/
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private static BufferedImage rotateImageForJdk8(BufferedImage img, int angle) {
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int width = img.getWidth();
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int height = img.getHeight();
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// 计算旋转后的画布尺寸
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int newWidth = (angle % 180 == 0) ? width : height;
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int newHeight = (angle % 180 == 0) ? height : width;
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// JDK8兼容：创建BufferedImage（避免透明通道问题）
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BufferedImage rotated = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_RGB);
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Graphics2D g2d = rotated.createGraphics();
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// 抗锯齿，避免旋转后模糊（JDK8必须）
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
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// 旋转图片
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g2d.rotate(Math.toRadians(angle), newWidth / 2.0, newHeight / 2.0);
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g2d.drawImage(img, (newWidth - width) / 2, (newHeight - height) / 2, null);
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g2d.dispose();
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return rotated;
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}
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/**
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* JDK8适配：识别图片格式（jpg/png）
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*/
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private static String getImageFormatForJdk8(byte[] imageBytes) {
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if (imageBytes.length < 4) return "jpg";
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// JDK8字节判断，兼容所有系统
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if (imageBytes[0] == (byte)0xFF && imageBytes[1] == (byte)0xD8) {
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return "jpg";
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} else if (imageBytes[0] == (byte)0x89 && imageBytes[1] == (byte)0x50) {
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return "png";
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}
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return "jpg";
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}
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}
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