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The web system exists different data sources to access, and each data source has specific access ways. According to design patterns and Open-Closed Principle, data access layer is designed that connects business layer to access data layer. The data access layer is realized by factory method and reflection mechanism. In the factory method, reflection mechanism is used to read key-value pairs of the...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.