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  • springmvc文件上传

    相关pom依赖

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

    springmvc-servlet.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:context="http://www.springframework.org/schema/context"
           xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:aop="http://www.springframework.org/schema/aop"
           xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
          http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
        <!-- 通过context:component-scan元素扫描指定包下的控制器-->
        <!--1) 扫描com.javaxl.zf及子子孙孙包下的控制器(扫描范围过大,耗时)-->
        <aop:aspectj-autoproxy/>
        <context:component-scan base-package="com.hxc"/>
    
        <!--2) 此标签默认注册DefaultAnnotationHandlerMapping和AnnotationMethodHandlerAdapter -->
        <!--两个bean,这两个bean是spring MVC为@Controllers分发请求所必须的。并提供了数据绑定支持,-->
        <!--@NumberFormatannotation支持,@DateTimeFormat支持,@Valid支持,读写XML的支持(JAXB),读写JSON的支持(Jackson)-->
        <mvc:annotation-driven></mvc:annotation-driven>
    
        <!--3) ViewResolver -->
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <!-- viewClass需要在pom中引入两个包:standard.jar and jstl.jar -->
            <property name="viewClass"
                      value="org.springframework.web.servlet.view.JstlView"></property>
            <property name="prefix" value="/WEB-INF/"/>
            <property name="suffix" value=".jsp"/>
        </bean>
        <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>
    
        <!--4) 单独处理图片、样式、js等资源 -->
        <!--<mvc:resources location="/css/" mapping="/css/**"/>-->
            <!--<mvc:resources location="/images/" mapping="/images/**"/>-->
        <!--<mvc:resources location="/js/" mapping="/js/**"/>-->
        <mvc:resources location="/static/" mapping="/static/**"/>
    
    </beans>

    upload.jsp

    <%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <html>
    <head>
        <title>springmvc文件上传</title>
    </head>
    <body>
    <form action="${pageContext.request.contextPath}/book/upload" method="post" enctype="multipart/form-data">
        请选择文件:<input type="file" name="xxx">
        <input type="submit" value="OK">
    </form>
    </body>
    </html>

    BookController

    @RequestMapping("/upload")
        public String upload(HttpServletRequest req, MultipartFile xxx){
            String fileName=xxx.getOriginalFilename();
            String contentType=xxx.getContentType();
            try {
                FileUtils.copyInputStreamToFile(xxx.getInputStream(),new File("F:/jtredis/mybatis04/src/main/webapp/static/img/"+fileName));
            } catch (IOException e) {
                e.printStackTrace();
            }
            return  "redirect:/book/list";
        }

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  • 原文地址:https://www.cnblogs.com/huxiaocong/p/11785040.html
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