|  |  |  | @ -1,6 +1,6 @@ | 
			
		
	
		
			
				
					|  |  |  |  | package com.gitee.sop.websiteserver.util; | 
			
		
	
		
			
				
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					|  |  |  |  | import org.apache.tomcat.util.http.fileupload.servlet.ServletFileUpload; | 
			
		
	
		
			
				
					|  |  |  |  | import org.springframework.util.MultiValueMap; | 
			
		
	
		
			
				
					|  |  |  |  | import org.springframework.web.multipart.MultipartFile; | 
			
		
	
		
			
				
					|  |  |  |  | import org.springframework.web.multipart.MultipartHttpServletRequest; | 
			
		
	
		
			
				
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					|  |  |  | @ -9,6 +9,7 @@ import java.util.Collection; | 
			
		
	
		
			
				
					|  |  |  |  | import java.util.Collections; | 
			
		
	
		
			
				
					|  |  |  |  | import java.util.Map; | 
			
		
	
		
			
				
					|  |  |  |  | import java.util.Optional; | 
			
		
	
		
			
				
					|  |  |  |  | import java.util.stream.Collectors; | 
			
		
	
		
			
				
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					|  |  |  |  | /** | 
			
		
	
		
			
				
					|  |  |  |  |  * 文件上传工具类 | 
			
		
	
	
		
			
				
					|  |  |  | @ -24,15 +25,19 @@ public class UploadUtil { | 
			
		
	
		
			
				
					|  |  |  |  |      * @return | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     public static Collection<MultipartFile> getUploadFiles(HttpServletRequest request) { | 
			
		
	
		
			
				
					|  |  |  |  |         Map<String, MultipartFile> fileMap = null; | 
			
		
	
		
			
				
					|  |  |  |  |         MultiValueMap<String, MultipartFile> fileMap = null; | 
			
		
	
		
			
				
					|  |  |  |  |         //检查form中是否有enctype="multipart/form-data"
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					|  |  |  |  |         if (ServletFileUpload.isMultipartContent(request)) { | 
			
		
	
		
			
				
					|  |  |  |  |         String contentType = request.getContentType(); | 
			
		
	
		
			
				
					|  |  |  |  |         if (contentType != null && contentType.toLowerCase().contains("multipart")) { | 
			
		
	
		
			
				
					|  |  |  |  |             //将request变成多部分request
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					|  |  |  |  |             MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request; | 
			
		
	
		
			
				
					|  |  |  |  |             fileMap = multiRequest.getFileMap(); | 
			
		
	
		
			
				
					|  |  |  |  |             fileMap = multiRequest.getMultiFileMap(); | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |         return Optional.ofNullable(fileMap) | 
			
		
	
		
			
				
					|  |  |  |  |                 .map(map -> map.values()) | 
			
		
	
		
			
				
					|  |  |  |  |                 .map(Map::entrySet) | 
			
		
	
		
			
				
					|  |  |  |  |                 .map(entry -> entry.stream() | 
			
		
	
		
			
				
					|  |  |  |  |                         .flatMap(e -> e.getValue().stream()) | 
			
		
	
		
			
				
					|  |  |  |  |                         .collect(Collectors.toList())) | 
			
		
	
		
			
				
					|  |  |  |  |                 .orElse(Collections.emptyList()); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
	
		
			
				
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