Since there is no business logic needed prior to rendering this view, we will simply invoke the Add Contact JSP directly, configuring it as a global forward instead of as an action.
因为在处理这个视图之前无需任何业务逻辑，所以我们只需直接调用添加联系人 JSP（把它配置成全局转发而不是操作）。
You should also attempt to design your Ajax Web applications so that as much logic as possible can be performed on the client, without needing to contact the server.
还应该尝试将 Ajax Web 应用程序设计为在客户机上执行尽可能多的逻辑，而不必联络服务器。
The switch is a momentary contact one, with latching logic on the system module.
转换开关是系统模块上使用拴锁逻辑的一个瞬时接触点。
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