spring mvc 上传附件

亦凉 2021-11-11 20:52 339阅读 0赞

### spring mvc 上传附件 ###

*  搭建简单的spring mvc
 *  maven依赖
 *  配置附件上传
 *  UploadController
 *  upload.jsp
 *  测试结果

# 搭建简单的spring mvc #

[https://mp.csdn.net/mdeditor/98475992\#][https_mp.csdn.net_mdeditor_98475992]

# maven依赖 #

<dependency>
    			<groupId>commons-fileupload</groupId>
    			<artifactId>commons-fileupload</artifactId>
    			<version>1.3.3</version>
    		</dependency>

# 配置附件上传 #

@Configuration
    @EnableWebMvc
    @ComponentScan({ "com.sky.springmvctest"})
    public class SpringMvcConfig extends WebMvcConfigurerAdapter { 
    	...省略其他配置
    	@Bean
    	public MultipartResolver multipartResolver() { 
    		CommonsMultipartResolver resolver = new CommonsMultipartResolver();
    		// 设置编码（解决中文乱码）
    		resolver.setDefaultEncoding("utf-8");
    		// 设置最大上传大小 10M
    		resolver.setMaxUploadSize(10 * 1024 * 1024);
    		return resolver;
    	}
    }

# UploadController #

@Controller
    public class UploadController { 
    	@GetMapping("/uploadPage")
    	Object uploadPage() { 
    		return "upload/upload";
    	}
    	@PostMapping("/upload")
    	@ResponseBody
    	Object upload(MultipartFile file) { 
    		try { 
    			file.transferTo(new File("d://tmp//" + file.getOriginalFilename()));
    		} catch (IllegalStateException e) { 
    			e.printStackTrace();
    		} catch (IOException e) { 
    			e.printStackTrace();
    		}
    		return "success";
    	}
    }

# upload.jsp #

<%@ page language="java" contentType="text/html; charset=utf-8"
        pageEncoding="utf-8"%>
    <!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>测试上传附件</title>
    </head>
    <body>
    	<form action="upload" enctype="multipart/form-data" method="post">
    		<input type="file" name="file"><br>
    		<input type="submit" value="上传">
    	</form>
    </body>
    </html>

# 测试结果 #

![20190806112321470.png][]  
![在这里插入图片描述][20190806112347401.png]  
![在这里插入图片描述][20190806112402511.png]  
![在这里插入图片描述][20190806112450210.png]

[https_mp.csdn.net_mdeditor_98475992]: https://mp.csdn.net/mdeditor/98475992#
[20190806112321470.png]: /images/20211109/01b0c9939a6f4c64b9751f8755cd7913.png
[20190806112347401.png]: /images/20211109/7075db8284a44ed89cbef95d76731c90.png
[20190806112402511.png]: /images/20211109/d493f5806cd74b44add7ce647a9792f2.png
[20190806112450210.png]: /images/20211109/6debebc36ec84f49a0981ed1ae0df665.png