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springmvc文件上传

2017-08-31 13:46 316 查看

<dependency>

      <groupId>commons-fileupload</groupId>

      <artifactId>commons-fileupload</artifactId>

      <version>1.3.1</version>>

    </dependency>



    <dependency>

      <groupId>commons-io</groupId>

      <artifactId>commons-io</artifactId>

      <version>1.4</version>>

    </dependency>

[java] view
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@Controller

public class Text {

    @RequestMapping("/first")

    public String t(MultipartFile upload, HttpSession session){

          //获取用户上传的文件名称

        String filename = upload.getOriginalFilename();//文件名称

        //将相对路径换成绝对路径

        String realPath = session.getServletContext().getRealPath("/upload");

        //将 file 写入指定的路径



        File file=new File(realPath,filename);



        try {

            upload.transferTo(file);

            return "/welcon.jsp";

        } catch (IOException e) {

            e.printStackTrace();

        }

        return  "/upload.jsp";

    }

}

[html] view
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<?xml version="1.0" encoding="UTF-8"?>

<beans  xmlns="http://www.springframework.org/schema/beans"

        xmlns:aop="http://www.springframework.org/schema/aop"

        xmlns:tx="http://www.springframework.org/schema/tx"

        xmlns:context="http://www.springframework.org/schema/context"

        xmlns:p="http://www.springframework.org/schema/p"

        xmlns:mvc="http://www.springframework.org/schema/mvc"

        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

        xsi:schemaLocation="

        http://www.springframework.org/schema/beans

        http://www.springframework.org/schema/beans/spring-beans.xsd

        http://www.springframework.org/schema/aop

        http://www.springframework.org/schema/aop/spring-aop.xsd

        http://www.springframework.org/schema/tx

        http://www.springframework.org/schema/tx/spring-tx.xsd

        http://www.springframework.org/schema/context

        http://www.springframework.org/schema/context/spring-context.xsd

         http://www.springframework.org/schema/mvc

        http://www.springframework.org/schema/mvc/spring-mvc.xsd

">

    

    <context:component-scan base-package="cn.hello.Upload"/>



    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"></bean>



   <mvc:annotation-driven/>



</beans>

[html] view
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<h1>文件上传</h1>

<form action="/first" method="post" enctype="multipart/form-data">

    文件   <input type="file" name="upload"/>

    <input type="submit"/>

</form>

[html] view
plain copy

<body>

   欢迎你

</body>

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