如果你还不知道怎么用Maven搭建SpringMVC项目，请点此这里查看
1. 添加文件上传依赖，pom.xml添加如下内容
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2. 新建上传页面，在src/main/resources/views/下新建upload.jsp，内容如下
3. 添加转向，配置MultipartResolver，添加如下内容
4. 添加控制器，内容如下
5. 运行效果
SpringMVC配置文件上传功能（Maven）
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<%@ 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>upload page</title>
</head>
<body>
<div class="upload">
<form action="upload" enctype="multipart/form-data" method="post">
<input type="file" name="file" /><br /> <input type="submit"
value="上传" />
</form>
</div>
</body>
</html>
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//这是一个继承自WebMvcConfigurerAdapter的类
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/index").setViewName("/index");
registry.addViewController("toUpload").setViewName("upload");
}
@Bean
public MultipartResolver multipartResolver() {
CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver();
multipartResolver.setMaxUploadSize(10000000);
return multipartResolver;
}
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//这是一个控制器类
@RequestMapping(value = "/upload", method = RequestMethod.POST)
public @ResponseBody String upload(MultipartFile file) {
try {
FileUtils.writeByteArrayToFile(new File("/Users/pantao/Desktop/upload/" + file.getOriginalFilename()),
file.getBytes());
return "ok";
} catch (IOException e) {
e.printStackTrace();
return "wrong";
}
}
