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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'>¥</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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