formData
var file= document.querySelector('input[name = "file"]').files;
var fd = new FormData();
fd.append("files",file[0]);
springMVC接收参数加注解:
public void doSomething(@RequestParam("file") MultipartFile file){
}
需配置文件解析器
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 上传文件大小上限,单位为字节(10MB) -->
<property name="maxUploadSize"> <value>10485760</value> </property>
<!-- 请求的编码格式,必须和jSP的pageEncoding属性一致,以便正确读取表单的内容,默认为ISO-8859-1 -->
<property name="defaultEncoding"> <value>UTF-8</value> </property>
</bean>