This attribute is valid only if the portlet window is part of a modifiable portlet container, and if the user has the rights to modify the page and the container is not locked.
该属性只在portlet窗口是可编辑portlet容器的一部分时，才会有效，如果用户有权编辑页面，那么容器就不会锁定。
This attribute is valid only if the portlet window is part of a modifiable portlet container, and if the user has the rights to modify the page and the container is not locked.
该属性只在portlet窗口是可编辑portlet容器的一部分时，才会有效，如果用户有权编辑页面，那么容器就不会锁定。
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