精简util模块，ReturenResponse重构

server/src/main/java/cn/keking/service/ConfigRefreshComponent.java → server/src/main/java/cn/keking/config/ConfigRefreshComponent.java

@@ -1,7 +1,5 @@
-package cn.keking.service;
+package cn.keking.config;
 
-import cn.keking.config.ConfigConstants;
-import cn.keking.config.WatermarkConfigConstants;
 import org.artofsolving.jodconverter.office.OfficeUtils;
 import org.artofsolving.jodconverter.util.ConfigUtils;
 import org.slf4j.Logger;
@@ -13,6 +11,7 @@ import java.io.BufferedReader;
 import java.io.FileReader;
 import java.io.IOException;
 import java.util.Properties;
+import java.util.concurrent.TimeUnit;
 
 /**
  * @auther: chenjh
@@ -81,7 +80,7 @@ public class ConfigRefreshComponent {
                     setWatermarkConfig(properties);
                     bufferedReader.close();
                     fileReader.close();
-                    Thread.sleep(1000L);
+                    TimeUnit.SECONDS.sleep(1);
                 }
             } catch (IOException | InterruptedException e) {
                 LOGGER.error("读取配置文件异常", e);

server/src/main/java/cn/keking/utils/ShedulerClean.java → server/src/main/java/cn/keking/config/SchedulerCleanConfig.java

@@ -1,7 +1,7 @@
-package cn.keking.utils;
+package cn.keking.config;
 
-import cn.keking.config.ConfigConstants;
 import cn.keking.service.cache.CacheService;
+import cn.keking.utils.FileUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
@@ -14,13 +14,13 @@ import org.springframework.stereotype.Component;
  */
 @Component
 @ConditionalOnExpression("'${cache.clean.enabled:false}'.equals('true')")
-public class ShedulerClean {
+public class SchedulerCleanConfig {
 
-    private final Logger logger = LoggerFactory.getLogger(ShedulerClean.class);
+    private final Logger logger = LoggerFactory.getLogger(SchedulerCleanConfig.class);
 
     private final CacheService cacheService;
 
-    public ShedulerClean(CacheService cacheService) {
+    public SchedulerCleanConfig(CacheService cacheService) {
         this.cacheService = cacheService;
     }
 

server/src/main/java/cn/keking/model/FileType.java

@@ -50,9 +50,25 @@ public enum FileType {
         FILE_TYPE_MAPPER.put("dwg", FileType.cad);
     }
 
-    public static FileType to(String fileType){
+    private static FileType to(String fileType){
         return FILE_TYPE_MAPPER.getOrDefault(fileType,other);
     }
+    /**
+     * 查看文件类型(防止参数中存在.点号或者其他特殊字符，所以先抽取文件名，然后再获取文件类型)
+     *
+     * @param url url
+     * @return 文件类型
+     */
+    public static FileType typeFromUrl(String url) {
+        String nonPramStr = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
+        String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
+        return typeFromFileName(fileName);
+    }
+
+    public static FileType typeFromFileName(String fileName) {
+        String fileType = fileName.substring(fileName.lastIndexOf(".") + 1);
+        return FileType.to(fileType);
+    }
 
     private final String instanceName;
 

server/src/main/java/cn/keking/model/ReturnResponse.java

@@ -4,11 +4,18 @@ import java.io.Serializable;
 
 /**
  * 接口返回值结构
+ *
  * @author yudian-it
  * @date 2017/11/17
  */
-public class ReturnResponse<T> implements Serializable{
+public class ReturnResponse<T> implements Serializable {
     private static final long serialVersionUID = 313975329998789878L;
+
+    public static final int SUCCESS_CODE = 0;
+    public static final int FAILURE_CODE = 1;
+    public static final String SUCCESS_MSG = "SUCCESS";
+    public static final String FAILURE_MSG = "FAILURE";
+
     /**
      * 返回状态
      * 0. 成功
@@ -31,6 +38,30 @@ public class ReturnResponse<T> implements Serializable{
         this.content = content;
     }
 
+    public static ReturnResponse<Object> failure(String errMsg) {
+        return new ReturnResponse<>(FAILURE_CODE, errMsg, null);
+    }
+
+    public static ReturnResponse<Object> failure() {
+        return failure(FAILURE_MSG);
+    }
+
+    public static ReturnResponse<Object> success(){
+        return success(null);
+    }
+
+    public static ReturnResponse<Object> success(Object content) {
+        return new ReturnResponse<>(SUCCESS_CODE, SUCCESS_MSG, content);
+    }
+
+    public boolean isSuccess(){
+        return SUCCESS_CODE == code;
+    }
+
+    public boolean isFailure(){
+        return !isSuccess();
+    }
+
     public int getCode() {
         return code;
     }

server/src/main/java/cn/keking/service/CompressFileReader.java

@@ -67,7 +67,7 @@ public class CompressFileReader {
                 }
                 String parentName = getLast2FileName(fullName, archiveSeparator, archiveFileName);
                 parentName = (level - 1) + "_" + parentName;
-                FileType type = fileHandlerService.typeFromUrl(childName);
+                FileType type = FileType.typeFromUrl(childName);
                 if (type.equals(FileType.picture)) {//添加图片文件到图片列表
                     imgUrls.add(baseUrl + childName);
                 }
@@ -120,7 +120,7 @@ public class CompressFileReader {
                     headersToBeExtracted.add(Collections.singletonMap(childName, header));
                 }
                 String parentName = getLast2FileName(fullName, "\\", archiveFileName);
-                FileType type = fileHandlerService.typeFromUrl(childName);
+                FileType type = FileType.typeFromUrl(childName);
                 if (type.equals(FileType.picture)) {//添加图片文件到图片列表
                     imgUrls.add(baseUrl + childName);
                 }
@@ -163,7 +163,7 @@ public class CompressFileReader {
                 }
                 String parentName = getLast2FileName(fullName, archiveSeparator, archiveFileName);
                 parentName = (level - 1) + "_" + parentName;
-                FileType type = fileHandlerService.typeFromUrl(childName);
+                FileType type = FileType.typeFromUrl(childName);
                 if (type.equals(FileType.picture)) {//添加图片文件到图片列表
                     imgUrls.add(baseUrl + childName);
                 }

server/src/main/java/cn/keking/service/FileConvertQueueTask.java

@@ -10,6 +10,7 @@ import org.springframework.ui.ExtendedModelMap;
 import javax.annotation.PostConstruct;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
 
 /**
  * Created by kl on 2018/1/19.
@@ -70,7 +71,7 @@ public class FileConvertQueueTask {
                     }
                 } catch (Exception e) {
                     try {
-                        Thread.sleep(1000*10);
+                        TimeUnit.SECONDS.sleep(10);
                     } catch (Exception ex){
                         ex.printStackTrace();
                     }

server/src/main/java/cn/keking/service/FileHandlerService.java

@@ -4,13 +4,28 @@ import cn.keking.config.ConfigConstants;
 import cn.keking.model.FileAttribute;
 import cn.keking.model.FileType;
 import cn.keking.service.cache.CacheService;
+import cn.keking.utils.FileUtils;
 import cn.keking.utils.WebUtils;
+import com.aspose.cad.Color;
+import com.aspose.cad.fileformats.cad.CadDrawTypeMode;
+import com.aspose.cad.imageoptions.CadRasterizationOptions;
+import com.aspose.cad.imageoptions.PdfOptions;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.rendering.ImageType;
+import org.apache.pdfbox.rendering.PDFRenderer;
+import org.apache.pdfbox.tools.imageio.ImageIOUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 import org.springframework.util.StringUtils;
 
 import javax.servlet.http.HttpServletRequest;
+import java.awt.image.BufferedImage;
 import java.io.*;
+import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
@@ -21,10 +36,15 @@ import java.util.Map;
 @Component
 public class FileHandlerService {
 
+    private final Logger logger = LoggerFactory.getLogger(FileHandlerService.class);
+
     private static final String DEFAULT_CONVERTER_CHARSET = System.getProperty("sun.jnu.encoding");
     private final String fileDir = ConfigConstants.getFileDir();
     private final CacheService cacheService;
 
+    @Value("${server.tomcat.uri-encoding:UTF-8}")
+    private String uriEncoding;
+
     public FileHandlerService(CacheService cacheService) {
         this.cacheService = cacheService;
     }
@@ -51,35 +71,6 @@ public class FileHandlerService {
         return cacheService.getPdfImageCache(key);
     }
 
-    /**
-     * 查看文件类型(防止参数中存在.点号或者其他特殊字符，所以先抽取文件名，然后再获取文件类型)
-     *
-     * @param url url
-     * @return 文件类型
-     */
-    public FileType typeFromUrl(String url) {
-        String nonPramStr = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
-        String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
-        return this.typeFromFileName(fileName);
-    }
-
-    private FileType typeFromFileName(String fileName) {
-        String fileType = fileName.substring(fileName.lastIndexOf(".") + 1);
-        return FileType.to(fileType);
-    }
-
-    /**
-     * 从url中剥离出文件名
-     *
-     * @param url 格式如：http://www.com.cn/20171113164107_月度绩效表模板(新).xls?UCloudPublicKey=ucloudtangshd@weifenf.com14355492830001993909323&Expires=&Signature=I D1NOFtAJSPT16E6imv6JWuq0k=
-     * @return 文件名
-     */
-    public String getFileNameFromURL(String url) {
-        // 因为url的参数中可能会存在/的情况，所以直接url.lastIndexOf("/")会有问题
-        // 所以先从？处将url截断，然后运用url.lastIndexOf("/")获取文件名
-        String noQueryUrl = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
-        return noQueryUrl.substring(noQueryUrl.lastIndexOf("/") + 1);
-    }
 
     /**
      * 从路径中获取文件负
@@ -174,19 +165,87 @@ public class FileHandlerService {
     }
 
     /**
-     * 获取文件后缀
-     *
-     * @param url url
-     * @return 文件后缀
+     *  pdf文件转换成jpg图片集
+     * @param pdfFilePath pdf文件路径
+     * @param pdfName pdf文件名称
+     * @param baseUrl 基础访问地址
+     * @return 图片访问集合
      */
-    private String suffixFromUrl(String url) {
-        String nonPramStr = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
-        String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
-        return suffixFromFileName(fileName);
+    public List<String> pdf2jpg(String pdfFilePath, String pdfName, String baseUrl) {
+        List<String> imageUrls = new ArrayList<>();
+        Integer imageCount = this.getConvertedPdfImage(pdfFilePath);
+        String imageFileSuffix = ".jpg";
+        String pdfFolder = pdfName.substring(0, pdfName.length() - 4);
+        String urlPrefix;
+        try {
+            urlPrefix = baseUrl + URLEncoder.encode(URLEncoder.encode(pdfFolder, uriEncoding).replaceAll("\\+", "%20"), uriEncoding);
+        } catch (UnsupportedEncodingException e) {
+            logger.error("UnsupportedEncodingException", e);
+            urlPrefix = baseUrl + pdfFolder;
+        }
+        if (imageCount != null && imageCount > 0) {
+            for (int i = 0; i < imageCount; i++)
+                imageUrls.add(urlPrefix + "/" + i + imageFileSuffix);
+            return imageUrls;
+        }
+        try {
+            File pdfFile = new File(pdfFilePath);
+            PDDocument doc = PDDocument.load(pdfFile);
+            int pageCount = doc.getNumberOfPages();
+            PDFRenderer pdfRenderer = new PDFRenderer(doc);
+
+            int index = pdfFilePath.lastIndexOf(".");
+            String folder = pdfFilePath.substring(0, index);
+
+            File path = new File(folder);
+            if (!path.exists() && !path.mkdirs()) {
+                logger.error("创建转换文件【{}】目录失败，请检查目录权限！", folder);
+            }
+            String imageFilePath;
+            for (int pageIndex = 0; pageIndex < pageCount; pageIndex++) {
+                imageFilePath = folder + File.separator + pageIndex + imageFileSuffix;
+                BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, 105, ImageType.RGB);
+                ImageIOUtil.writeImage(image, imageFilePath, 105);
+                imageUrls.add(urlPrefix + "/" + pageIndex + imageFileSuffix);
+            }
+            doc.close();
+            this.addConvertedPdfImage(pdfFilePath, pageCount);
+        } catch (IOException e) {
+            logger.error("Convert pdf to jpg exception, pdfFilePath：{}", pdfFilePath, e);
+        }
+        return imageUrls;
     }
 
-    private String suffixFromFileName(String fileName) {
-        return fileName.substring(fileName.lastIndexOf(".") + 1);
+    /**
+     * cad文件转pdf
+     * @param inputFilePath cad文件路径
+     * @param outputFilePath pdf输出文件路径
+     * @return 转换是否成功
+     */
+    public boolean cadToPdf(String inputFilePath, String outputFilePath)  {
+        com.aspose.cad.Image cadImage = com.aspose.cad.Image.load(inputFilePath);
+        CadRasterizationOptions cadRasterizationOptions = new CadRasterizationOptions();
+        cadRasterizationOptions.setLayouts(new String[]{"Model"});
+        cadRasterizationOptions.setNoScaling(true);
+        cadRasterizationOptions.setBackgroundColor(Color.getWhite());
+        cadRasterizationOptions.setPageWidth(cadImage.getWidth());
+        cadRasterizationOptions.setPageHeight(cadImage.getHeight());
+        cadRasterizationOptions.setPdfProductLocation("center");
+        cadRasterizationOptions.setAutomaticLayoutsScaling(true);
+        cadRasterizationOptions.setDrawType(CadDrawTypeMode.UseObjectColor);
+        PdfOptions pdfOptions = new PdfOptions();
+        pdfOptions.setVectorRasterizationOptions(cadRasterizationOptions);
+        File outputFile = new File(outputFilePath);
+        OutputStream stream;
+        try {
+            stream = new FileOutputStream(outputFile);
+            cadImage.save(stream, pdfOptions);
+            cadImage.close();
+            return true;
+        } catch (FileNotFoundException e) {
+            logger.error("PDFFileNotFoundException，inputFilePath：{}", inputFilePath, e);
+            return false;
+        }
     }
 
     /**
@@ -203,12 +262,12 @@ public class FileHandlerService {
         String fullFileName = WebUtils.getUrlParameterReg(url, "fullfilename");
         if (StringUtils.hasText(fullFileName)) {
             fileName = fullFileName;
-            type = this.typeFromFileName(fullFileName);
-            suffix = suffixFromFileName(fullFileName);
+            type = FileType.typeFromFileName(fullFileName);
+            suffix = FileUtils.suffixFromFileName(fullFileName);
         } else {
-            fileName = getFileNameFromURL(url);
-            type = typeFromUrl(url);
-            suffix = suffixFromUrl(url);
+            fileName = WebUtils.getFileNameFromURL(url);
+            type = FileType.typeFromUrl(url);
+            suffix = WebUtils.suffixFromUrl(url);
         }
         attribute.setType(type);
         attribute.setName(fileName);

server/src/main/java/cn/keking/extend/ControlDocumentFormatRegistry.java → server/src/main/java/cn/keking/service/OfficePluginExtendFormatRegistry.java

@@ -1,4 +1,4 @@
-package cn.keking.extend;
+package cn.keking.service;
 
 import org.artofsolving.jodconverter.document.DocumentFamily;
 import org.artofsolving.jodconverter.document.DocumentFormat;
@@ -13,9 +13,9 @@ import java.util.Map;
  * @author yudian-it
  * @date 2017/12/5
  */
-public class ControlDocumentFormatRegistry extends SimpleDocumentFormatRegistry {
+public class OfficePluginExtendFormatRegistry extends SimpleDocumentFormatRegistry {
 
-    public ControlDocumentFormatRegistry() {
+    public OfficePluginExtendFormatRegistry() {
         DocumentFormat pdf = new DocumentFormat("Portable Document Format", "pdf", "application/pdf");
         pdf.setStoreProperties(DocumentFamily.TEXT, Collections.singletonMap("FilterName", "writer_pdf_Export"));
         pdf.setStoreProperties(DocumentFamily.SPREADSHEET, Collections.singletonMap("FilterName", "calc_pdf_Export"));

server/src/main/java/cn/keking/service/OfficePluginManager.java

@@ -1,7 +1,6 @@
 package cn.keking.service;
 
 import com.sun.star.document.UpdateDocMode;
-import cn.keking.extend.ControlDocumentFormatRegistry;
 import org.apache.commons.lang3.StringUtils;
 import org.artofsolving.jodconverter.OfficeDocumentConverter;
 import org.artofsolving.jodconverter.office.DefaultOfficeManagerConfiguration;
@@ -72,7 +71,7 @@ public class OfficePluginManager {
     }
 
     public OfficeDocumentConverter getDocumentConverter() {
-        OfficeDocumentConverter converter = new OfficeDocumentConverter(officeManager, new ControlDocumentFormatRegistry());
+        OfficeDocumentConverter converter = new OfficeDocumentConverter(officeManager, new OfficePluginExtendFormatRegistry());
         converter.setDefaultLoadProperties(getLoadProperties());
         return converter;
     }

server/src/main/java/cn/keking/service/OfficeToPdfService.java

@@ -1,6 +1,8 @@
 package cn.keking.service;
 
 import org.artofsolving.jodconverter.OfficeDocumentConverter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
 import java.io.File;
@@ -10,6 +12,8 @@ import java.io.File;
  */
 @Component
 public class OfficeToPdfService {
+
+    private final static Logger logger = LoggerFactory.getLogger(OfficeToPdfService.class);
     private final OfficePluginManager officePluginManager;
 
     public OfficeToPdfService(OfficePluginManager officePluginManager) {
@@ -21,12 +25,11 @@ public class OfficeToPdfService {
     }
 
 
-    public static void converterFile(File inputFile, String outputFilePath_end,
-                                     OfficeDocumentConverter converter) {
+    public static void converterFile(File inputFile, String outputFilePath_end, OfficeDocumentConverter converter) {
         File outputFile = new File(outputFilePath_end);
         // 假如目标路径不存在,则新建该路径
-        if (!outputFile.getParentFile().exists()) {
-            outputFile.getParentFile().mkdirs();
+        if (!outputFile.getParentFile().exists() && !outputFile.getParentFile().mkdirs()) {
+            logger.error("创建目录【{}】失败，请检查目录权限！",outputFilePath_end);
         }
         converter.convert(inputFile, outputFile);
     }

server/src/main/java/cn/keking/service/cache/impl/CacheServiceRedisImpl.java

@@ -28,19 +28,11 @@ public class CacheServiceRedisImpl implements CacheService {
     }
 
     @Override
-    public void initPDFCachePool(Integer capacity) {
-
-    }
-
+    public void initPDFCachePool(Integer capacity) { }
     @Override
-    public void initIMGCachePool(Integer capacity) {
-
-    }
-
+    public void initIMGCachePool(Integer capacity) { }
     @Override
-    public void initPdfImagesCachePool(Integer capacity) {
-
-    }
+    public void initPdfImagesCachePool(Integer capacity) { }
 
     @Override
     public void putPDFCache(String key, String value) {

server/src/main/java/cn/keking/service/cache/impl/CacheServiceRocksDBImpl.java

@@ -31,11 +31,8 @@ public class CacheServiceRocksDBImpl implements CacheService {
     }
 
     private static final String DB_PATH = ConfigUtils.getHomePath() + File.separator + "cache";
-
     private static final int QUEUE_SIZE = 500000;
-
     private static final Logger LOGGER = LoggerFactory.getLogger(CacheServiceRocksDBImpl.class);
-
     private final BlockingQueue<String> blockingQueue = new ArrayBlockingQueue<>(QUEUE_SIZE);
 
     private RocksDB db;

server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java

@@ -4,10 +4,8 @@ import cn.keking.config.ConfigConstants;
 import cn.keking.model.FileAttribute;
 import cn.keking.model.ReturnResponse;
 import cn.keking.service.FilePreview;
-import cn.keking.utils.CadUtils;
 import cn.keking.utils.DownloadUtils;
 import cn.keking.service.FileHandlerService;
-import cn.keking.utils.PdfUtils;
 import cn.keking.web.filter.BaseUrlFilter;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
@@ -22,43 +20,37 @@ import static cn.keking.service.impl.OfficeFilePreviewImpl.getPreviewType;
 @Service
 public class CadFilePreviewImpl implements FilePreview {
 
-    private final FileHandlerService fileHandlerService;
-    private final CadUtils cadUtils;
-    private final PdfUtils pdfUtils;
-
-    public CadFilePreviewImpl(FileHandlerService fileHandlerService, CadUtils cadUtils, PdfUtils pdfUtils) {
-        this.fileHandlerService = fileHandlerService;
-        this.cadUtils = cadUtils;
-        this.pdfUtils = pdfUtils;
-
-    }
-
     private static final String OFFICE_PREVIEW_TYPE_IMAGE = "image";
     private static final String OFFICE_PREVIEW_TYPE_ALL_IMAGES = "allImages";
     private static final String FILE_DIR = ConfigConstants.getFileDir();
 
+    private final FileHandlerService fileHandlerService;
+
+    public CadFilePreviewImpl(FileHandlerService fileHandlerService) {
+        this.fileHandlerService = fileHandlerService;
+    }
 
     @Override
     public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
         // 预览Type，参数传了就取参数的，没传取系统默认
         String officePreviewType = model.asMap().get("officePreviewType") == null ? ConfigConstants.getOfficePreviewType() : model.asMap().get("officePreviewType").toString();
         String baseUrl = BaseUrlFilter.getBaseUrl();
-        String suffix=fileAttribute.getSuffix();
-        String fileName=fileAttribute.getName();
+        String suffix = fileAttribute.getSuffix();
+        String fileName = fileAttribute.getName();
         String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + "pdf";
         String outFilePath = FILE_DIR + pdfName;
         // 判断之前是否已转换过，如果转换过，直接返回，否则执行转换
         if (!fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
             String filePath;
             ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
-            if (0 != response.getCode()) {
+            if (response.isFailure()) {
                 model.addAttribute("fileType", suffix);
                 model.addAttribute("msg", response.getMsg());
                 return "fileNotSupported";
             }
             filePath = response.getContent();
             if (StringUtils.hasText(outFilePath)) {
-                boolean convertResult = cadUtils.cadToPdf(filePath, outFilePath);
+                boolean convertResult = fileHandlerService.cadToPdf(filePath, outFilePath);
                 if (!convertResult) {
                     model.addAttribute("fileType", suffix);
                     model.addAttribute("msg", "cad文件转换异常，请联系管理员");
@@ -71,7 +63,7 @@ public class CadFilePreviewImpl implements FilePreview {
             }
         }
         if (baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
-            return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, pdfUtils, OFFICE_PREVIEW_TYPE_IMAGE);
+            return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE);
         }
         model.addAttribute("pdfUrl", pdfName);
         return "pdf";

server/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java

@@ -34,7 +34,7 @@ public class CompressFilePreviewImpl implements FilePreview {
         // 判断文件名是否存在(redis缓存读取)
         if (!StringUtils.hasText(fileHandlerService.getConvertedFile(fileName))  || !ConfigConstants.isCacheEnabled()) {
             ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
-            if (0 != response.getCode()) {
+            if (response.isFailure()) {
                 model.addAttribute("fileType", suffix);
                 model.addAttribute("msg", response.getMsg());
                 return "fileNotSupported";

server/src/main/java/cn/keking/service/impl/MediaFilePreviewImpl.java

@@ -8,6 +8,7 @@ import cn.keking.service.FileHandlerService;
 import cn.keking.web.filter.BaseUrlFilter;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
+
 /**
  * @author : kl
  * @authorboke : kailing.pub
@@ -28,7 +29,7 @@ public class MediaFilePreviewImpl implements FilePreview {
         // 不是http开头，浏览器不能直接访问，需下载到本地
         if (url != null && !url.toLowerCase().startsWith("http")) {
             ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileAttribute.getName());
-            if (0 != response.getCode()) {
+            if (!response.isSuccess()) {
                 model.addAttribute("fileType", fileAttribute.getSuffix());
                 model.addAttribute("msg", response.getMsg());
                 return "fileNotSupported";
@@ -39,7 +40,7 @@ public class MediaFilePreviewImpl implements FilePreview {
             model.addAttribute("mediaUrl", url);
         }
         model.addAttribute("mediaUrl", url);
-        String suffix=fileAttribute.getSuffix();
+        String suffix = fileAttribute.getSuffix();
         if ("flv".equalsIgnoreCase(suffix)) {
             return "flv";
         }

server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java

@@ -7,7 +7,6 @@ import cn.keking.service.FilePreview;
 import cn.keking.utils.DownloadUtils;
 import cn.keking.service.FileHandlerService;
 import cn.keking.service.OfficeToPdfService;
-import cn.keking.utils.PdfUtils;
 import cn.keking.web.filter.BaseUrlFilter;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
@@ -22,20 +21,18 @@ import java.util.List;
 @Service
 public class OfficeFilePreviewImpl implements FilePreview {
 
+    public static final String OFFICE_PREVIEW_TYPE_IMAGE = "image";
+    public static final String OFFICE_PREVIEW_TYPE_ALL_IMAGES = "allImages";
+    private static final String FILE_DIR = ConfigConstants.getFileDir();
+
     private final FileHandlerService fileHandlerService;
-    private final PdfUtils pdfUtils;
     private final OfficeToPdfService officeToPdfService;
 
-    public OfficeFilePreviewImpl(FileHandlerService fileHandlerService, PdfUtils pdfUtils, OfficeToPdfService officeToPdfService) {
+    public OfficeFilePreviewImpl(FileHandlerService fileHandlerService, OfficeToPdfService officeToPdfService) {
         this.fileHandlerService = fileHandlerService;
-        this.pdfUtils = pdfUtils;
         this.officeToPdfService = officeToPdfService;
     }
 
-    public static final String OFFICE_PREVIEW_TYPE_IMAGE = "image";
-    public static final String OFFICE_PREVIEW_TYPE_ALL_IMAGES = "allImages";
-    private static final String FILE_DIR = ConfigConstants.getFileDir();
-
     @Override
     public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
         // 预览Type，参数传了就取参数的，没传取系统默认
@@ -50,7 +47,7 @@ public class OfficeFilePreviewImpl implements FilePreview {
         if (!fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
             String filePath;
             ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
-            if (0 != response.getCode()) {
+            if (response.isFailure()) {
                 model.addAttribute("fileType", suffix);
                 model.addAttribute("msg", response.getMsg());
                 return "fileNotSupported";
@@ -69,14 +66,14 @@ public class OfficeFilePreviewImpl implements FilePreview {
             }
         }
         if (!isHtml && baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
-            return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, pdfUtils, OFFICE_PREVIEW_TYPE_IMAGE);
+            return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE);
         }
         model.addAttribute("pdfUrl", pdfName);
         return isHtml ? "html" : "pdf";
     }
 
-    static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, PdfUtils pdfUtils, String officePreviewTypeImage) {
-        List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, baseUrl);
+    static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, FileHandlerService fileHandlerService, String officePreviewTypeImage) {
+        List<String> imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, baseUrl);
         if (imageUrls == null || imageUrls.size() < 1) {
             model.addAttribute("msg", "office转图片异常，请联系管理员");
             model.addAttribute("fileType",fileAttribute.getSuffix());

server/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java

@@ -6,7 +6,6 @@ import cn.keking.model.ReturnResponse;
 import cn.keking.service.FilePreview;
 import cn.keking.utils.DownloadUtils;
 import cn.keking.service.FileHandlerService;
-import cn.keking.utils.PdfUtils;
 import cn.keking.web.filter.BaseUrlFilter;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
@@ -21,12 +20,10 @@ import java.util.List;
 public class PdfFilePreviewImpl implements FilePreview {
 
     private final FileHandlerService fileHandlerService;
-    private final PdfUtils pdfUtils;
     private static final String FILE_DIR = ConfigConstants.getFileDir();
 
-    public PdfFilePreviewImpl(FileHandlerService fileHandlerService, PdfUtils pdfUtils) {
+    public PdfFilePreviewImpl(FileHandlerService fileHandlerService) {
         this.fileHandlerService = fileHandlerService;
-        this.pdfUtils = pdfUtils;
     }
 
     @Override
@@ -41,7 +38,7 @@ public class PdfFilePreviewImpl implements FilePreview {
             //当文件不存在时，就去下载
             if (!fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
                 ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
-                if (0 != response.getCode()) {
+                if (response.isFailure()) {
                     model.addAttribute("fileType", suffix);
                     model.addAttribute("msg", response.getMsg());
                     return "fileNotSupported";
@@ -52,7 +49,7 @@ public class PdfFilePreviewImpl implements FilePreview {
                     fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
                 }
             }
-            List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, baseUrl);
+            List<String> imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, baseUrl);
             if (imageUrls == null || imageUrls.size() < 1) {
                 model.addAttribute("msg", "pdf转图片异常，请联系管理员");
                 model.addAttribute("fileType",fileAttribute.getSuffix());
@@ -70,7 +67,7 @@ public class PdfFilePreviewImpl implements FilePreview {
             if (url != null && !url.toLowerCase().startsWith("http")) {
                 if (!fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
                     ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, pdfName);
-                    if (0 != response.getCode()) {
+                    if (response.isFailure()) {
                         model.addAttribute("fileType", suffix);
                         model.addAttribute("msg", response.getMsg());
                         return "fileNotSupported";

server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java

@@ -36,7 +36,7 @@ public class PictureFilePreviewImpl implements FilePreview {
         // 不是http开头，浏览器不能直接访问，需下载到本地
         if (url != null && !url.toLowerCase().startsWith("http")) {
             ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
-            if (0 != response.getCode()) {
+            if (response.isFailure()) {
                 model.addAttribute("fileType", fileAttribute.getSuffix());
                 model.addAttribute("msg", response.getMsg());
                 return "fileNotSupported";

server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java

@@ -27,7 +27,7 @@ public class SimTextFilePreviewImpl implements FilePreview {
     public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
         String fileName = fileAttribute.getName();
         ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
-        if (0 != response.getCode()) {
+        if (response.isFailure()) {
             model.addAttribute("msg", response.getMsg());
             model.addAttribute("fileType", fileAttribute.getSuffix());
             return "fileNotSupported";

server/src/main/java/cn/keking/utils/CadUtils.java

@@ -1,50 +0,0 @@
-package cn.keking.utils;
-
-import com.aspose.cad.Color;
-import com.aspose.cad.fileformats.cad.CadDrawTypeMode;
-import com.aspose.cad.imageoptions.CadRasterizationOptions;
-import com.aspose.cad.imageoptions.PdfOptions;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Component;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.OutputStream;
-
-/**
- * @author chenjhc
- * @since 2019/11/21 14:34
- */
-@Component
-public class CadUtils {
-
-    private final Logger logger = LoggerFactory.getLogger(CadUtils.class);
-
-    public boolean cadToPdf(String inputFilePath, String outputFilePath)  {
-        com.aspose.cad.Image cadImage = com.aspose.cad.Image.load(inputFilePath);
-        CadRasterizationOptions cadRasterizationOptions = new CadRasterizationOptions();
-        cadRasterizationOptions.setLayouts(new String[]{"Model"});
-        cadRasterizationOptions.setNoScaling(true);
-        cadRasterizationOptions.setBackgroundColor(Color.getWhite());
-        cadRasterizationOptions.setPageWidth(cadImage.getWidth());
-        cadRasterizationOptions.setPageHeight(cadImage.getHeight());
-        cadRasterizationOptions.setPdfProductLocation("center");
-        cadRasterizationOptions.setAutomaticLayoutsScaling(true);
-        cadRasterizationOptions.setDrawType(CadDrawTypeMode.UseObjectColor);
-        PdfOptions pdfOptions = new PdfOptions();
-        pdfOptions.setVectorRasterizationOptions(cadRasterizationOptions);
-        File outputFile = new File(outputFilePath);
-        OutputStream stream;
-        try {
-            stream = new FileOutputStream(outputFile);
-            cadImage.save(stream, pdfOptions);
-            cadImage.close();
-            return true;
-        } catch (FileNotFoundException e) {
-            logger.error("PDFFileNotFoundException，inputFilePath：{}", inputFilePath, e);
-            return false;
-        }
-    }
-}

server/src/main/java/cn/keking/utils/FileUtils.java

@@ -57,6 +57,16 @@ public class FileUtils {
         }
     }
 
+    /**
+     * 通过文件名获取文件后缀
+     * @param fileName 文件名称
+     * @return 文件后缀
+     */
+    public static String suffixFromFileName(String fileName) {
+        return fileName.substring(fileName.lastIndexOf(".") + 1);
+    }
+
+
     /**
      * 根据文件路径删除文件
      *

server/src/main/java/cn/keking/utils/PdfUtils.java

@@ -1,79 +0,0 @@
-package cn.keking.utils;
-
-import cn.keking.service.FileHandlerService;
-import org.apache.pdfbox.pdmodel.PDDocument;
-import org.apache.pdfbox.rendering.ImageType;
-import org.apache.pdfbox.rendering.PDFRenderer;
-import org.apache.pdfbox.tools.imageio.ImageIOUtil;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Component;
-
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
-import java.util.ArrayList;
-import java.util.List;
-
-@Component
-public class PdfUtils {
-
-    private final Logger logger = LoggerFactory.getLogger(PdfUtils.class);
-
-    private final FileHandlerService fileHandlerService;
-
-    @Value("${server.tomcat.uri-encoding:UTF-8}")
-    private String uriEncoding;
-
-    public PdfUtils(FileHandlerService fileHandlerService) {
-        this.fileHandlerService = fileHandlerService;
-    }
-
-    public List<String> pdf2jpg(String pdfFilePath, String pdfName, String baseUrl) {
-        List<String> imageUrls = new ArrayList<>();
-        Integer imageCount = fileHandlerService.getConvertedPdfImage(pdfFilePath);
-        String imageFileSuffix = ".jpg";
-        String pdfFolder = pdfName.substring(0, pdfName.length() - 4);
-        String urlPrefix = null;
-        try {
-            urlPrefix = baseUrl + URLEncoder.encode(URLEncoder.encode(pdfFolder, uriEncoding).replaceAll("\\+", "%20"), uriEncoding);
-        } catch (UnsupportedEncodingException e) {
-            logger.error("UnsupportedEncodingException", e);
-            urlPrefix = baseUrl + pdfFolder;
-        }
-        if (imageCount != null && imageCount > 0) {
-            for (int i = 0; i < imageCount ; i++)
-            imageUrls.add(urlPrefix + "/" + i + imageFileSuffix);
-            return imageUrls;
-        }
-        try {
-            File pdfFile = new File(pdfFilePath);
-            PDDocument doc = PDDocument.load(pdfFile);
-            int pageCount = doc.getNumberOfPages();
-            PDFRenderer pdfRenderer = new PDFRenderer(doc);
-
-            int index = pdfFilePath.lastIndexOf(".");
-            String folder = pdfFilePath.substring(0, index);
-
-            File path = new File(folder);
-            if (!path.exists()) {
-                path.mkdirs();
-            }
-            String imageFilePath;
-            for (int pageIndex = 0; pageIndex < pageCount; pageIndex++) {
-                imageFilePath = folder + File.separator + pageIndex + imageFileSuffix;
-                BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, 105, ImageType.RGB);
-                ImageIOUtil.writeImage(image, imageFilePath, 105);
-                imageUrls.add(urlPrefix + "/" + pageIndex + imageFileSuffix);
-            }
-            doc.close();
-            fileHandlerService.addConvertedPdfImage(pdfFilePath, pageCount);
-        } catch (IOException e) {
-            logger.error("Convert pdf to jpg exception, pdfFilePath：{}", pdfFilePath, e);
-        }
-        return imageUrls;
-    }
-}

server/src/main/java/cn/keking/utils/WebUtils.java

@@ -57,4 +57,30 @@ public class WebUtils {
         }
         return strAllParam;
     }
+
+    /**
+     * 从url中剥离出文件名
+     *
+     * @param url 格式如：http://www.com.cn/20171113164107_月度绩效表模板(新).xls?UCloudPublicKey=ucloudtangshd@weifenf.com14355492830001993909323&Expires=&Signature=I D1NOFtAJSPT16E6imv6JWuq0k=
+     * @return 文件名
+     */
+    public static String getFileNameFromURL(String url) {
+        // 因为url的参数中可能会存在/的情况，所以直接url.lastIndexOf("/")会有问题
+        // 所以先从？处将url截断，然后运用url.lastIndexOf("/")获取文件名
+        String noQueryUrl = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
+        return noQueryUrl.substring(noQueryUrl.lastIndexOf("/") + 1);
+    }
+
+
+    /**
+     * 从url中获取文件后缀
+     *
+     * @param url url
+     * @return 文件后缀
+     */
+    public static String suffixFromUrl(String url) {
+        String nonPramStr = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
+        String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
+        return FileUtils.suffixFromFileName(fileName);
+    }
 }

server/src/main/java/cn/keking/web/controller/FileController.java

@@ -28,9 +28,7 @@ public class FileController {
     private final Logger logger = LoggerFactory.getLogger(FileController.class);
 
     private final String fileDir = ConfigConstants.getFileDir();
-
     private final String demoDir = "demo";
-
     private final String demoPath = demoDir + File.separator;
 
     @RequestMapping(value = "fileUpload", method = RequestMethod.POST)
@@ -49,7 +47,7 @@ public class FileController {
         }
         // 判断是否存在同名文件
         if (existsFile(fileName)) {
-            return new ObjectMapper().writeValueAsString(new ReturnResponse<String>(1, "存在同名文件，请先删除原有文件再次上传", null));
+            return new ObjectMapper().writeValueAsString(ReturnResponse.failure("存在同名文件，请先删除原有文件再次上传"));
         }
         File outFile = new File(fileDir + demoPath);
         if (!outFile.exists() && !outFile.mkdirs()) {
@@ -58,10 +56,10 @@ public class FileController {
         logger.info("上传文件：{}", fileDir + demoPath + fileName);
         try(InputStream in = file.getInputStream(); OutputStream out = new FileOutputStream(fileDir + demoPath + fileName)) {
             StreamUtils.copy(in, out);
-            return new ObjectMapper().writeValueAsString(new ReturnResponse<String>(0, "SUCCESS", null));
+            return new ObjectMapper().writeValueAsString(ReturnResponse.success(null));
         } catch (IOException e) {
             logger.error("文件上传失败", e);
-            return new ObjectMapper().writeValueAsString(new ReturnResponse<String>(1, "FAILURE", null));
+            return new ObjectMapper().writeValueAsString(ReturnResponse.failure());
         }
     }
 
@@ -75,7 +73,7 @@ public class FileController {
         if (file.exists() && !file.delete()) {
            logger.error("删除文件【{}】失败，请检查目录权限！",file.getPath());
         }
-        return new ObjectMapper().writeValueAsString(new ReturnResponse<String>(0, "SUCCESS", null));
+        return new ObjectMapper().writeValueAsString(ReturnResponse.success());
     }
 
     @RequestMapping(value = "listFiles", method = RequestMethod.GET)