在Requestscope中未调用primefaces fileUploadListener

Question

在请求范围

中未调用fileupload侦听器

<p:fileUpload id="uploaded"
    fileUploadListener="#{travelRequestBean.handleFileUpload}"
    multiple="true" mode="advanced" sizeLimit="100000" 
    allowTypes="/(\.|\/)(gif|jpe?g|png|pdf|docx|rar|zip)$/"
    update=":dataForm:imageDisplayPanel" />