IoC與DI範例 - 原始類別設計 #IoC #DI

SalaryCalculator.cs

namespace ConsoleApp1
{
    /// <summary>
    /// 計算薪資的類別
    /// </summary>
    class SalaryCalculator
    {
        /// <summary>
        /// 計算薪資的公式物件
        /// </summary>
        private SalaryFormula _SalaryFormula;
        /// <summary>
        /// 建構子
        /// </summary>
        /// <param name="SalaryFormula"></param>
        public SalaryCalculator(SalaryFormula SalaryFormula)
        {
            _SalaryFormula = SalaryFormula;
        }
        /// <summary>
        /// 實際計算薪資
        /// </summary>
        /// <param name="WorkHours">工時</param>
        /// <param name="HourlyWage">時薪</param>
        /// <param name="PrivateDayOff">請假天數</param>
        /// <returns></returns>
        public float Calculate(float WorkHours, int HourlyWage, int PrivateDayOffHours)
        {
            return _SalaryFormula.Execute(WorkHours, HourlyWage, PrivateDayOffHours);
        }
    }

    /// <summary>
    /// 計算薪資的公式的類別
    /// </summary>
    class SalaryFormula
    {
        /// <summary>
        /// 實際計算薪資
        /// </summary>
        /// <param name="WorkHours"></param>
        /// <param name="HourlyWage"></param>
        /// <param name="PrivateDayOffHours"></param>
        /// <returns></returns>
        public float Execute(float WorkHours, int HourlyWage, int PrivateDayOffHours)
        {
            //薪資=工時*時薪-(事假時數*時薪)
            return WorkHours * HourlyWage - (PrivateDayOffHours * HourlyWage);
        }
    }
}