zhangshi_app_backend.git

			@@ -5,13 +5,18 @@
			import java.net.URLDecoder;
			import java.net.URLEncoder;
			import java.nio.charset.StandardCharsets;
			import java.nio.file.Files;
			import java.nio.file.Path;
			import java.nio.file.Paths;
			import java.util.ArrayList;
			import java.util.HashMap;
			import java.nio.file.StandardCopyOption;
			import java.util.*;
			import java.util.List;
			import java.util.regex.Matcher;
			import java.util.regex.Pattern;
			import javax.imageio.IIOImage;
			import javax.imageio.ImageWriteParam;
			import javax.imageio.ImageWriter;
			import javax.imageio.stream.MemoryCacheImageOutputStream;
			import javax.servlet.http.HttpServletRequest;
			import javax.servlet.http.HttpServletResponse;
			import javax.websocket.server.PathParam;
			@@ -19,7 +24,9 @@
			import com.ruoyi.common.annotation.Anonymous;
			import com.ruoyi.common.utils.RenamedMultipartFile;
			import com.ruoyi.common.utils.uuid.UUID;
			import com.ruoyi.domain.MediaCompressRequest;
			import com.ruoyi.service.DownLoadFileService;
			import com.ruoyi.service.impl.VideoProcessService;
			import lombok.Data;
			import org.slf4j.Logger;
			import org.slf4j.LoggerFactory;
			@@ -35,10 +42,27 @@
			import com.ruoyi.common.utils.file.FileUploadUtils;
			import com.ruoyi.common.utils.file.FileUtils;
			import com.ruoyi.framework.config.ServerConfig;
			import springfox.bean.validators.plugins.schema.NotNullAnnotationPlugin;

			import javax.imageio.ImageIO;

			import java.awt.*;
			import java.awt.image.BufferedImage;
			import java.io.ByteArrayOutputStream;
			import java.io.IOException;

			import java.util.Base64;

			import java.util.Arrays;
			import java.util.HashSet;
			import java.util.Set;
			import java.util.zip.ZipEntry;
			import java.util.zip.ZipOutputStream;


			/**
			* 通用请求处理
			*
			*
			* @author ruoyi
			*/
			@RestController
			@@ -52,12 +76,55 @@
			@Autowired
			private DownLoadFileService downLoadFileService;


			@Autowired
			private VideoProcessService videoProcessService;

			private static final String FILE_DELIMETER = ",";

			private static final Pattern CHINESE_PATTERN = Pattern.compile("[\u4e00-\u9fa5]");

			// 缩略图配置
			@Value("${thumbnail.default-width:300}")
			private int defaultThumbnailWidth;

			// @GetMapping("/downloadFile")
			@Value("${thumbnail.default-height:200}")
			private int defaultThumbnailHeight;

			@Value("${thumbnail.quality:0.8}")
			private double thumbnailQuality;

			@Value("${thumbnail.cache-dir:./cache/thumbnails}")
			private String thumbnailCacheDir;


			@Value("${thumbnail.max-width:1920}")
			private int maxThumbnailWidth;

			@Value("${thumbnail.max-height:1080}")
			private int maxThumbnailHeight;

			@Value("${thumbnail.format:jpg}")
			private String thumbnailFormat;

			@Value("${thumbnail.keep-aspect-ratio:true}")
			private boolean keepAspectRatio;

			// 支持的图片格式
			private static final String[] IMAGE_FORMATS = {"jpg", "jpeg", "png", "gif", "bmp", "webp"};

			// 支持的视频格式
			private static final String[] VIDEO_FORMATS = {"mp4", "avi", "mov", "wmv", "flv", "mkv", "webm"};
			@Autowired
			private NotNullAnnotationPlugin notNullPlugin;

			@Anonymous
			@GetMapping("/generateThumbnail")
			public AjaxResult generateThumbnail(@PathParam(value = "url") String url) throws Exception {

			return AjaxResult.success( );
			}
			// @GetMapping("/downloadFile")
			// public void fileDownload(@PathParam("path") String path, HttpServletResponse response)
			// {
			// path=path.substring(8);
			@@ -444,4 +511,113 @@
			}

			}
			}



			/**
			* 压缩图片或提取视频封面并返回Base64
			* @param mediaCompressRequest
			* 包括
			* file 图片或视频文件
			* width 目标宽度，默认100
			* height 目标高度，默认100
			* quality 图片质量 0.1-1.0，默认0.8
			* @return Map包含压缩结果和Base64
			*/
			@Anonymous
			@PostMapping(value = "/images/zip")
			public Map<String, Object> compressMediaToBase64(@RequestBody MediaCompressRequest mediaCompressRequest) {
			Map<String, Object> result = new HashMap<>();

			if (mediaCompressRequest == null && mediaCompressRequest.getFilePath() == null){
			result.put("success", false);
			result.put("message", "文件不能为空");
			return result;
			}

			String filePath = mediaCompressRequest.getFilePath();
			int width = mediaCompressRequest.getWidth();
			int height = mediaCompressRequest.getHeight();
			float quality = mediaCompressRequest.getQuality();

			System.out.println("--------------"+mediaCompressRequest);

			File trueFile;

			try {
			String fileUel = RuoYiConfig.getProfile() + filePath.replace("/profile","").replace("profile","");
			trueFile = new File(fileUel);


			String fileName = trueFile.getName();

			System.out.println("-----------"+fileName);

			// 获取文件扩展名
			String extension = getFileExtension(fileName).toLowerCase();
			System.out.println("-----------"+extension);

			// 判断文件类型
			if (isImageFile(extension)) {
			// 处理图片文件
			return videoProcessService.processImage(trueFile, width, height, quality, extension);
			} else if (isVideoFile(extension)) {
			// 处理视频文件
			return videoProcessService.processVideo(trueFile,width,height,quality,extension);
			} else {
			result.put("success", false);
			result.put("message", "不支持的文件格式：" + extension);
			return result;
			}

			} catch (Exception e) {
			log.error("文件处理失败", e);
			result.put("success", false);
			result.put("message", "处理失败: " + e.getMessage());
			return result;
			}
			}


			/**
			* 判断是否是图片文件
			*/
			private boolean isImageFile(String extension) {
			for (String format : IMAGE_FORMATS) {
			if (format.equalsIgnoreCase(extension)) {
			return true;
			}
			}
			return false;
			}

			/**
			* 判断是否是视频文件
			*/
			private boolean isVideoFile(String extension) {
			for (String format : VIDEO_FORMATS) {
			if (format.equalsIgnoreCase(extension)) {
			return true;
			}
			}
			return false;
			}

			/**
			* 获取文件扩展名
			*/
			private String getFileExtension(String fileName) {
			if (StringUtils.isEmpty(fileName)) {
			return "";
			}

			int lastDot = fileName.lastIndexOf('.');
			if (lastDot > 0 && lastDot < fileName.length() - 1) {
			return fileName.substring(lastDot + 1).toLowerCase();
			}
			return "";
			}



			}