搜索引擎项目：

一个员工类的源代码，1、定义一个类Employee；2、在类中定义四个属性；3、定义方法（函数或者行为）；4、定义第二个构造函数，带有五个形式参数，用于接收值并传递给属性-Search engine project: an employee class source code, 1, define a class Employee　2, four attributes defined in the class　3, define methods (functions or behavior)　4, the definition of the second constructor, with five a form of argument, for receiving and passing to the property value