This method retrieves the EmployeeManager managed bean and then calls a method to resolve the parameter passed in on the JSF parameter scope.

该方法检索EmployeeManager managed bean并访问一个方法，以解决J SF参数范围内传递的参数问题。

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To retrieve the scope information, each method of the SessionBeanX class must have the parameter RequestContext.

为了获取范围信息，SessionBean x类的每个方法必须有RequestContext参数。

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