修复 url特殊符号无法下载或者输出问题 修复流接入方法 拼接字符导导致下载或者跨域错误问题

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

@@ -3,16 +3,16 @@ package cn.keking.service.impl;
 import cn.keking.config.ConfigConstants;
 import cn.keking.model.FileAttribute;
 import cn.keking.model.ReturnResponse;
+import cn.keking.service.FileHandlerService;
 import cn.keking.service.FilePreview;
 import cn.keking.utils.DownloadUtils;
-import cn.keking.service.FileHandlerService;
+import cn.keking.utils.WebUtils;
 import org.apache.commons.lang3.exception.ExceptionUtils;
 import org.apache.poi.EncryptedDocumentException;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
 
 import java.io.IOException;
-import java.net.URLEncoder;
 import java.util.List;
 
 /**
@@ -88,7 +88,7 @@ public class PdfFilePreviewImpl implements FilePreview {
                         fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
                     }
                 } else {
-                    model.addAttribute("pdfUrl", pdfName);
+                    model.addAttribute("pdfUrl", WebUtils.encodeFileName(pdfName));
                 }
             } else {
                 model.addAttribute("pdfUrl", url);