In the mode of structural template, it is to configure template towards specific web pages in advance to retrieve required information which have been well established in the template.
It is available to make accurate collection focusing on the information on finite websites. Such mode features to be simple, accurate, of low technical difficulty, and of convenient and fast layout.
However, since it is required to set website template of every information source independently, the workload is relatively huge on the condition of diversified information sources, it is suitable for data processing of information sources
within the scope of specific distribution.