org.springframework.web.multipart.MultipartException: The current request is not a multi

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关于“org.springframework.web.multipart.MultipartException: The current request is not a multipart request ”问题解决办法。

大招：

1.查看springMVC配置文件添加上传文件配置

<!-- 上传文件 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
   <property name="defaultEncoding" value="utf-8"/>
   <!-- 最大内存大小 -->
   <property name="maxInMemorySize" value="10240"/>
   <!-- 最大文件大小，-1为不限制大小 -->
   <property name="maxUploadSize" value="-1"/>
</bean>

2.查看Maven依赖 这两个包必须要有。

<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>2.4</version>
</dependency>

3.form表单添加“enctype="multipart/form-data"，更改请求方式。

<form action="/image/upload" enctype="multipart/form-data" method="post">
    <input type="file" name="imageFile" />
    <button>提交</button>
</form>

4.修改Controller 注意“@RequestParam”。

@RequestMapping(value = "/image/upload", method = RequestMethod.POST)
@ResponseBody
public String imageUpload(@RequestParam(value = "imageFile") MultipartFile uploadImage) {
        Map result = imageService.uploadImage(uploadImage);
        String json = JsonUtils.objectToJson(result);
        return json;

}