springmvc的文件上传功能

Author: eson15

README.md

@@ -6,3 +6,4 @@
 <br/><font size=3>[注解和非注解方式下的映射器和适配器总结](http://blog.csdn.net/eson_15/article/details/51699103)
 <br/><font size=3>[spring、mybatis和springmvc的整合](http://blog.csdn.net/eson_15/article/details/51700519)
 <br/><font size=3>[SpringMVC中的参数绑定总结](http://blog.csdn.net/eson_15/article/details/51718633)
+<br/><font size=3>[SpringMVC中的数据校验](http://blog.csdn.net/eson_15/article/details/51725470)

WebRoot/WEB-INF/jsp/items/editItems.jsp

@@ -35,8 +35,10 @@
 				<td><c:if test="${itemsCustom.pic !=null}">
 						<img src="/file/${itemsCustom.pic}" width=100 height=100 />
 						<br />
-					</c:if> <input type="file" name="items_pic"
-					accept="/file/${itemsCustom.pic}" /></td>
+					</c:if> 
+					<input type="file" name="items_pic"/>
+					<input type="file" name="items_pic"/>
+				</td>
 			</tr>
 			<tr>
 				<td>商品简介</td>

config/spring/springmvc.xml

@@ -131,5 +131,6 @@
 	<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
 		<!-- 设置船上文件的最大尺寸为5MB -->
 		<property name="maxUploadSize" value="5242880"/>
+		<property name="defaultEncoding" value="utf-8"/>
 	</bean>
 </beans>

src/ssm/controller/ItemsController.java

@@ -63,7 +63,8 @@ public String editItems(Model model,
 	public String editItemsSubmit(Model model, HttpServletRequest request,
 			Integer id,
 			@Validated(value = { ValidGroup1.class }) ItemsCustom itemsCustom,
-			BindingResult bindingResult, MultipartFile items_pic)
+			BindingResult bindingResult, 
+			@RequestParam MultipartFile[] items_pic)
 			throws Exception {
 
 		// 获取校验错误信息
@@ -80,8 +81,29 @@ public String editItemsSubmit(Model model, HttpServletRequest request,
 			// 将错误信息传到页面
 			model.addAttribute("allErrors", allErrors);
 		}
-
-		// 处理上传的图片
+		
+		//多个文件上传
+		for(MultipartFile myfile : items_pic) {
+			if(myfile.isEmpty()){  
+                System.out.println("文件未上传");  
+            }else{  
+                System.out.println("文件长度: " + myfile.getSize());  
+                System.out.println("文件类型: " + myfile.getContentType());  
+                System.out.println("文件名称: " + myfile.getName());  
+                System.out.println("文件原名: " + myfile.getOriginalFilename());  
+                System.out.println("========================================");  
+                
+                String originalFileName = myfile.getOriginalFilename();
+    			String pic_path = "E:\\github\\develop\\upload\\temp\\";
+    			String newFileName = UUID.randomUUID()
+    					+ originalFileName.substring(originalFileName
+    							.lastIndexOf("."));
+    			File newFile = new File(pic_path + newFileName);
+    			myfile.transferTo(newFile);
+            }  
+		}
+/*
+		// 处理上传的单个图片
 		// 原始名称
 		String originalFileName = items_pic.getOriginalFilename();
 		// 上传图片
@@ -106,7 +128,7 @@ public String editItemsSubmit(Model model, HttpServletRequest request,
 
 		// 调用service更新商品信息，页面需要将商品信息传到此方法
 		itemsService.updateItems(id, itemsCustom);
-
+*/
 		// return "redirect:queryItems.action";
 		// return "forward:queryItems.action";