文件上传

最新推荐文章于 2024-10-02 11:29:37 发布

猫七姑娘a

最新推荐文章于 2024-10-02 11:29:37 发布

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本文链接：https://blog.youkuaiyun.com/qq_41683274/article/details/85270571

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springmvc-servlet.xml

<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <!-- 必须和用户JSP 的pageEncoding属性一致，以便正确解析表单的内容 -->
    <property name="defaultEncoding" value="UTF-8"></property>
    <!-- 文件最大大小(字节) 1024*1024*50=50M-->
    <property name="maxUploadSize" value="52428800"></property>
    <!--resolveLazily属性启用是为了推迟文件解析，以便捕获文件大小异常-->
    <property name="resolveLazily" value="true"/>
</bean>

pom.xml

添加文件上传相关依赖
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.3</version>
</dependency>

private String serverPath="/t212/upload";

@RequestMapping("/upload")
public String upload(MultipartFile file, HttpServletRequest request){
    String fileName = file.getOriginalFilename();
    String realPath= request.getServletContext().getRealPath(serverPath+fileName);
    try {
        FileUtils.copyInputStreamToFile(file.getInputStream(),new File(realPath));
    } catch (IOException e) {
        e.printStackTrace();
    }
    return "i18n";
}

<form method="post" action="${pageContext.request.contextPath}/upload" enctype="multipart/form-data">
    <input type="file" name="file">
    <input type="submit" value="ok">
</form>