添加依赖

```xml
<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>2.3</version>
    </dependency>
```

配置多媒体解析器

```xml
<!--配置文件上传解析器-->
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="defaultEncoding" value="UYF-8"/>
        <property name="maxUploadSize" value="500000"/>
    </bean>
```

后台程序

```java
@RequestMapping(value="/quick22")
    @ResponseBody
    public void save22(String username, MultipartFile uploadFile) throws IOException {
        System.out.println(username);
               System.out.println(uploadFile);
    }

添加依赖

```xml
<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>2.3</version>
    </dependency>
```

配置多媒体解析器

```xml
<!--配置文件上传解析器-->
    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="defaultEncoding" value="UYF-8"/>
        <property name="maxUploadSize" value="500000"/>
    </bean>
```

后台程序

```java
@RequestMapping(value="/quick22")
    @ResponseBody
    public void save22(String username, MultipartFile uploadFile) throws IOException {
        System.out.println(username);
               System.out.println(uploadFile);
    }