【知了堂学习笔记】_springMVC_文件上传_错误_Required CommonsMultipartFile parameter 'file' is not present
2017-11-23 16:29
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今天的学习了文件上传出现了:
Required CommonsMultipartFile parameter ‘file’ is not present
开始一直以为是@RequestParm(“file”)参数的传递问题:
粘贴复制很多遍以后发现,还是不行,百度之后,得到灵感
配置文件中的id是不能随便更改的,必须是multipartResolver
以此记录!!
今天的学习了文件上传出现了:
Required CommonsMultipartFile parameter ‘file’ is not present
开始一直以为是@RequestParm(“file”)参数的传递问题:
public void singleFlieUpload(@RequestParam("file") CommonsMultipartFile commonsMultipartFile, HttpServletRequest request, HttpServletResponse response) { ...}
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> <form action="/ssm/upload/singlefileupload.do" method="post" enctype="multipart/form-data"> <input type="file" name="file"><input type="submit"> </form> </body> </html>
粘贴复制很多遍以后发现,还是不行,百度之后,得到灵感
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver" p:maxUploadSize="5242880" p:maxInMemorySize="4096" p:defaultEncoding="UTF-8"> </bean>
配置文件中的id是不能随便更改的,必须是multipartResolver
以此记录!!
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