来自get和set的StackOverflow异常 [英] StackOverflow Exception from get and set

问题描述

I have the following code:

namespace QuantStrats
{
    class Program
    {
        static void Main(string[] args)
        {
            string FilePath = "C:\\Users\\files\\DJ.csv";
            StreamReader streamReader = new StreamReader(FilePath);
            string line;
            List<Data> Data = new List<Data>();     

            while ((line = streamReader.ReadLine()) != null)
            {
                Data Tick = new Data();
                string [] values = line.Split(',');
                Tick.SetFields(values[1], values[2]);
                Data.Add(Tick);
            }

            for (int ii = 0; ii < Data.Count; ii++)
            {
                Data TickDataValues = new Data();
                TickDataValues = Data[ii];             
                Console.Write("TIME :" + TickDataValues.time + " Price : " + TickDataValues.price +  Environment.NewLine);
            }

            Console.ReadLine();
        }
    }

    class Data
    {
        public DateTime time
        {
            get { return this.time; }
            set
            {
                this.time = value;                
            }
        }

        public double price
        {
            get { return this.price; }
            set
            {
                this.price = value;                
            }
        }

        public void SetFields(string dateTimeValue, string PriceValue)
        {
            try
            {
                this.time = Convert.ToDateTime(dateTimeValue);
            }
            catch
            {
                Console.WriteLine("DateTimeFailed " + dateTimeValue + Environment.NewLine);
            }

            try
            {
                this.price = Convert.ToDouble(PriceValue);
            }
            catch
            {
                Console.WriteLine("PriceFailed " + PriceValue + Environment.NewLine);
            }
        }
    }
}

但我得到一个堆栈溢出异常。

But I get a stack overflow exception.

我知道这是因为我没有做我的get和设置正确，并且正在进入一个无限循环，但我不明白为什么这个正在发生？

I know it is because I am not doing my get and sets correctly and am entering an infinite loop, but I cannot see why exactly this is happening?

推荐答案

public DateTime time
{
    get { return this.time; }
    set
    {
        this.time = value;                
    }
}

你没有使用后备字段，但设置属性本身来自于属性setter。

you aren't using backing fields, but setting the property itself from within the property setter.

你可以通过使用1）一个自动属性来解决这个问题

You can fix this by using 1) an auto property

public DateTime Time { get; set; }

或者2）后台字段

or 2) a backing field

private DateTime _time;
public Datetime Time 
{
    get { return _time; }
    set { _time = value; }
} 

它们都等同于相同的代码。

they both equate to the same code.

有关解释，当您在代码中获得 time 时：

For an explanation, when you get time in your code:

get { return this.time; } 

必须检索 time 返回。它通过在 time 上调用 get 来完成，它必须检索的值，时间等。

it has to retrieve the value of time to return. It does that by calling the get on time, which has to get retrieve the value of time, etc.

这篇关于来自get和set的StackOverflow异常的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！