struts2的配置文件中的<param name="allowedTypes"></param>

<action name="upload" class="action.MulUpload">

            <!-- 设置文件的类型 -->

            <interceptor-ref name="fileUpload">

                <param name="allowedTypes">image/JPEG,image/JPG</param>

            </interceptor-ref>

            <interceptor-ref name="defaultStack"/>

<result name="input">/mulFile.jsp</result>

            <result name="success">/success.jsp</result>

        </action>
irefox与IE的区别(不加以区分的话，可能会上传失败)

1. firefox:  image/jpeg image/bmp image/gif image/png

2.IE:  image/pjpeg image/bmp image/gif image/x-png

 

struts2的配置文件中的<param
name="allowedTypes"></param>