web.config相關
在ASP.NET,我們經常會在web.config里插入大量的配置信息使得程序more flexible。某些配置信息是程序要調用到,如數據庫的connection string,這時,其實只要一句:ystem.Configuration.ConfigurationManager.AppSettings("×××"),我們就能獲得它的value. 但是,為了程序結構的合理性,讓程序的更易維護和擴展,應該為web.config文件設置一個專門的類,用于讀取配置信息。在程序中,當需要用到這些配置信息時,直接訪問該信息類,而不需要訪問web.config。
舉例,web.config的相關信息為如下:
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我們在程序里新建一個專門針對web.config信息的類(configuration.vb). 并為配置信息設置為只讀屬性
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在程序中使用配置信息時只需要用一句:
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