unity怎么实现简单计算器

本篇内容介绍了“Unity怎么实现简单计算器”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

本文实例为大家分享了unity实现简单计算器的具体代码，供大家参考，具体内容如下

using System.Text;using UnityEngine;using UnityEngine.UI;using DG.Tweening;using System;public class Calculator : MonoBehaviour{    public Text SpendText;    private StringBuilder spendPrice;//初始金额    private string rmbSymbol;    private float totalPrice, spendPrices;//总和,初始金额    private bool isFirstDecrease;//避免减为零后的第二次起不能为负    private bool? isPlusOrDecrease, countType;//点击加减符号，点击等号    public Button PointButton;     private int count;//限制最大输入数    private void Start()    {        spendPrice = new StringBuilder();        totalPrice = 0;        spendPrices = 0;        rmbSymbol = "<size='50'>&yen;</size> ";        isPlusOrDecrease = null;//true为加，false为减        countType = null;//true为加，false为减        isFirstDecrease = true;        count = 0;    }    public void PointButtonController(bool type)    {        PointButton.interactable = type;    }    public void InputNumber(int num)    {        //按钮        switch (num)        {            case 0:                if (count < 11)                {                    count++;                    spendPrice.Append("0");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 1:                if (count < 11)                {                    count++;                    spendPrice.Append("1");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 2:                if (count < 11)                {                    count++;                    spendPrice.Append("2");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 3:                if (count < 11)                {                    count++;                    spendPrice.Append("3");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 4:                if (count < 11)                {                    count++;                    spendPrice.Append("4");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 5:                if (count < 11)                {                    count++;                    spendPrice.Append("5");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 6:                if (count < 11)                {                    count++;                    spendPrice.Append("6");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 7:                if (count < 11)                {                    count++;                    spendPrice.Append("7");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 8:                if (count < 11)                {                    count++;                    spendPrice.Append("8");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 9:                if (count < 11)                {                    count++;                    spendPrice.Append("9");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 10:                if (count < 11)                {                    count += 2;                    spendPrice.Append("00");                    SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                }                break;            case 11://加                isPlusOrDecrease = true;                countType = true;                count = 0;                if (!spendPrice.ToString().Equals(""))                {                    if ((totalPrice + float.Parse(spendPrice.ToString()) < 99999999999) && !totalPrice.ToString().Contains("E"))                    {                                                PointButtonController(true);                        if (totalPrice != 0)//避免第一次点击加号时没反应                        {                            TotalCount();                        }                        CountNum();                    }                    else                    {                        count = 0;                        PointButtonController(true);                        totalPrice = 0;                        spendPrice.Clear();                        SpendText.DOText(rmbSymbol, 0);                        isFirstDecrease = true;                    }                }                break;            case 12://减                isPlusOrDecrease = false;                countType = false;                count = 0;                if (!spendPrice.ToString().Equals(""))                {                    if ((totalPrice + float.Parse(spendPrice.ToString()) < 99999999999) && !totalPrice.ToString().Contains("E"))                    {                        PointButtonController(true);                        if (totalPrice != 0)//避免第一次点击减号时没反应                        {                            TotalCount();                        }                        CountNum();                    }                    else                    {                        count = 0;                        PointButtonController(true);                        totalPrice = 0;                        spendPrice.Clear();                        SpendText.DOText(rmbSymbol, 0);                        isFirstDecrease = true;                    }                }                break;            case 13://点                PointButtonController(false);                spendPrice.Append(".");                SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);                break;            case 14://等号                count = 0;                if (!spendPrice.ToString().Equals(""))                {                    if ((totalPrice + float.Parse(spendPrice.ToString()) < 9999999999) && !totalPrice.ToString().Contains("E"))                    {                        PointButtonController(true);                        TotalCount();                    }                    else                    {                        count = 0;                        PointButtonController(true);                        totalPrice = 0;                        spendPrice.Clear();                        SpendText.DOText(rmbSymbol, 0);                        isFirstDecrease = true;                    }                }                break;            case 15://清零                count = 0;                PointButtonController(true);                totalPrice = 0;                spendPrice.Clear();                SpendText.DOText(rmbSymbol, 0);                isFirstDecrease = true;                break;            default:                break;        }    }    public void CountNum()    {        if (spendPrice.ToString().StartsWith("0") || spendPrice.ToString().Equals(""))//去除开始的无效零        {            if (spendPrice.ToString().TrimStart('0') == "" || spendPrice.ToString().TrimStart('0').TrimEnd('0') == ".")//0000，00.00，0.，.0            {                spendPrices = 0;            }            else            {                spendPrices = float.Parse((float.Parse(spendPrice.ToString().TrimStart('0'))).ToString("f2"));            }        }        else        {            spendPrices = float.Parse((float.Parse(spendPrice.ToString())).ToString("f2"));        }        if (isPlusOrDecrease == true && totalPrice != 0 && spendPrices != 0)        {            totalPrice += spendPrices;            spendPrice.Clear();            SpendText.DOText(rmbSymbol + totalPrice.ToString(), 0.1f);            isPlusOrDecrease = null;        }        else if (isPlusOrDecrease == true && totalPrice == 0 && spendPrices != 0 && spendPrices != 0)        {            totalPrice = spendPrices;            spendPrice.Clear();        }                if (isPlusOrDecrease == false && totalPrice == 0 && spendPrices != 0 && isFirstDecrease)        {            totalPrice = spendPrices;            spendPrice.Clear();            isFirstDecrease = false;        }        else if (isPlusOrDecrease == false && spendPrices != 0)        {            totalPrice -= spendPrices;            spendPrice.Clear();            SpendText.DOText(rmbSymbol + totalPrice.ToString(), 0.1f);            isPlusOrDecrease = null;        }    }    public void TotalCount()    {        if (spendPrice.ToString().StartsWith("0") || spendPrice.ToString().Equals(""))        {            if (spendPrice.ToString().TrimStart('0') == "" || spendPrice.ToString().TrimStart('0').TrimEnd('0') == ".")            {                spendPrices = 0;            }            else            {                spendPrices = float.Parse((float.Parse(spendPrice.ToString().TrimStart('0'))).ToString("f2"));            }        }        else        {            spendPrices = float.Parse((float.Parse(spendPrice.ToString())).ToString("f2"));        }        if (spendPrices != 0)        {            if (countType == true)            {                totalPrice += spendPrices;            }            else if (countType == false)            {                totalPrice -= spendPrices;            }            spendPrice.Clear();            SpendText.DOText(rmbSymbol + totalPrice.ToString(), 0.1f);            countType = null;        }    }    //将科学计数法转化为普通数字    private Decimal ChangeDataToD(string strData)    {        Decimal dData = 0.0M;        if (strData.Contains("E"))        {            dData = Decimal.Parse(strData, System.Globalization.NumberStyles.Float);        }        return dData;    }}

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