unity實現簡單計算器

本文實例為大傢分享瞭unity實現簡單計算器的具體代碼,供大傢參考,具體內容如下

using System.Text;
using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;
using System;

public class Calculator : MonoBehaviour
{
    public Text SpendText;
    private StringBuilder spendPrice;//初始金額
    private string rmbSymbol;
    private float totalPrice, spendPrices;//總和,初始金額
    private bool isFirstDecrease;//避免減為零後的第二次起不能為負
    private bool? isPlusOrDecrease, countType;//點擊加減符號,點擊等號
    public Button PointButton; 
    private int count;//限制最大輸入數
    private void Start()
    {
        spendPrice = new StringBuilder();
        totalPrice = 0;
        spendPrices = 0;
        rmbSymbol = "<size='50'>¥</size> ";
        isPlusOrDecrease = null;//true為加,false為減
        countType = null;//true為加,false為減
        isFirstDecrease = true;
        count = 0;
    }

    public void PointButtonController(bool type)
    {
        PointButton.interactable = type;
    }

    public void InputNumber(int num)
    {
        //按鈕
        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)//避免第一次點擊加號時沒反應
                        {
                            TotalCount();
                        }
                        CountNum();
                    }
                    else
                    {
                        count = 0;
                        PointButtonController(true);
                        totalPrice = 0;
                        spendPrice.Clear();
                        SpendText.DOText(rmbSymbol, 0);
                        isFirstDecrease = true;
                    }
                }
                break;
            case 12://減
                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)//避免第一次點擊減號時沒反應
                        {
                            TotalCount();
                        }
                        CountNum();
                    }
                    else
                    {
                        count = 0;
                        PointButtonController(true);
                        totalPrice = 0;
                        spendPrice.Clear();
                        SpendText.DOText(rmbSymbol, 0);
                        isFirstDecrease = true;
                    }
                }
                break;
            case 13://點
                PointButtonController(false);
                spendPrice.Append(".");
                SpendText.DOText(rmbSymbol + spendPrice.ToString(), 0.1f);
                break;
            case 14://等號
                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(""))//去除開始的無效零
        {
            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;
        }
    }
    //將科學計數法轉化為普通數字
    private Decimal ChangeDataToD(string strData)
    {
        Decimal dData = 0.0M;
        if (strData.Contains("E"))
        {
            dData = Decimal.Parse(strData, System.Globalization.NumberStyles.Float);
        }
        return dData;
    }
}

以上就是本文的全部內容,希望對大傢的學習有所幫助,也希望大傢多多支持WalkonNet。

推薦閱讀: