程序文件名可以（但不是必须）包含路径信息。
The program file name can, but is not required to, include path information.
其名称由portlet应用程序文件名和后缀_ portletapplication组成。
Its name consists of the name of the portlet application file concatenated with the suffix _portletapplication. For example.
其名称由portlet应用程序文件名和后缀_ portletapplication组成。
Its name consists of the name of the portlet application file concatenated with the suffix _portletapplication. For example.
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