参考文章:http://www.stalvan.com/99.html

自定义

<%-- 回显头像 --%>
<%
User selUser = PortalUtil.getSelectedUser(request);
selUser =  PortalUtil.getUser(request);
String currentURL = PortalUtil.getCurrentURL(request);
long maxFileSize = PrefsPropsUtil.getLong(PropsKeys.UPLOAD_SERVLET_REQUEST_IMPL_MAX_SIZE) / 1024;
%>

<liferay-portlet:renderURL portletName="<%=PortletKeys.MY_ACCOUNT %>" windowState="<%= LiferayWindowState.POP_UP.toString() %>" var="editUserPortraitURL">
  <portlet:param name="struts_action" value="/my_account/edit_user_portrait" />
  <portlet:param name="redirect" value="<%= currentURL %>" />
  <portlet:param name="p_u_i_d" value="<%= String.valueOf(selUser.getUserId()) %>" />
  <portlet:param name="portrait_id" value="<%= String.valueOf(selUser.getPortraitId()) %>" />
</liferay-portlet:renderURL> 
<liferay-ui:logo-selector
    currentLogoURL="<%= selUser.getPortraitURL(themeDisplay) %>"
	defaultLogoURL="<%= UserConstants.getPortraitURL(themeDisplay.getPathImage(), selUser.isMale(), 0) %>"
	editLogoURL="<%= editUserPortraitURL %>"
	imageId="<%= selUser.getPortraitId() %>"
	logoDisplaySelector=".user-logo"
/>