//保存
public ActionResult Save(Employee emp)
{
//将数据保存
//实例化员工信息业务层
EmployeeBusinessLayer empBL = new EmployeeBusinessLayer();
empBL.AddEmp(emp);
//抓取表单中的姓名与工资
//return (emp.Name + "----" + emp.Salary.ToString());
return(new RedirectResult("index")); //跳转到index（RedirectResult:跳转）
}