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unity计算器 unity实现简单计算器

BackyStone   2021-08-08 我要评论
想了解unity实现简单计算器的相关内容吗,BackyStone在本文为您仔细讲解unity计算器的相关知识和一些Code实例,欢迎阅读和指正,我们先划重点:unity,计算器,下面大家一起来学习吧。

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'>¥</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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