{"id":692,"date":"2023-02-06T16:23:54","date_gmt":"2023-02-06T16:23:54","guid":{"rendered":"https:\/\/www.gislxz.com\/?p=692"},"modified":"2023-03-26T12:35:41","modified_gmt":"2023-03-26T12:35:41","slug":"c%e5%ae%9e%e7%8e%b0%e8%ae%a1%e7%ae%97%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.gislxz.com\/index.php\/2023\/02\/06\/c%e5%ae%9e%e7%8e%b0%e8%ae%a1%e7%ae%97%e5%99%a8\/","title":{"rendered":"C#\u5b9e\u73b0\u8ba1\u7b97\u5668"},"content":{"rendered":"\n

\u4eca\u5929\u5e2e\u670b\u53cb\u5199\u4e2a\u5927\u4f5c\u4e1a\uff0c\u8bb0\u5f97\u5f53\u65f6leetcode\u7684\u8ba1\u7b97\u5668\u7b97\u6cd5\u9898\u662f\u4e2ahard\uff0c\u670b\u53cb\u7684\u4f5c\u4e1a\u8981\u6c42\u8fd8\u6709\u5f00\u65b9\u4e58\u65b9\uff0c\u672c\u8eabC#\u5c31\u4e0d\u592a\u719f\uff0c\u8fd8\u8981\u5199\u4e2a\u7b97\u6cd5\uff0c\u771f\u662f\u96ea\u4e0a\u52a0\u971c\uff0c\u82b1\u4e86\u5f97\u6709\u56db\u4e2a\u5c0f\u65f6\u624d\u5199\u5b8c\uff0c\u53ef\u80fd\u8fd8\u6709bug\u6ca1\u627e\u5230\u3002<\/p>\n\n\n\n

\u9879\u76ee\u6587\u4ef6\uff1a<\/p>\n\n\n\n

Calculator-1<\/a>\u4e0b\u8f7d<\/a><\/div>\n\n\n\n

\u9996\u5148\u5148\u7f16\u8f91\u6837\u5f0f\uff0c\u8fd9\u79cd\u7b80\u5355\u7684\u684c\u9762\u5e94\u7528\u5c31\u62d6\u62d6\u63a7\u4ef6\u6539\u6539\u540d\u5b57\u5c31\u597d\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4e4b\u540e\u7ed9\u6bcf\u4e2a\u6309\u952e\u8bbe\u7f6e\u51fd\u6570\uff0c\u4e0d\u7ba1\u662f\u6570\u5b57\u8fd8\u662f\u7b26\u53f7\u5c31\u5f80\u6570\u5b57\u680f\u7684TextBox\u5c41\u80a1\u540e\u9762\u52a0\u5c31\u884c\u4e86\u3002\u6e05\u96f6\u5c31\u662f\u5c06TextBox.Text\u8bbe\u7f6e\u6210\u7a7a\u5b57\u7b26\u5c31\u884c\u3002<\/p>\n\n\n\n

private void NumButton1_Click(object sender, EventArgs e)\n{\n       NumText.Text += \"1\";\n}<\/code><\/pre>\n\n\n\n
\u6700\u4e3b\u8981\u5c31\u662f\u5199\u8ba1\u7b97\u8fd9\u4e2abutton\u5bf9\u5e94\u7684\u51fd\u6570<\/p>\n\n\n\n
\u4e3b\u8981\u601d\u8def\u8fd8\u662f\u4f7f\u7528\u6808\u6765\u64cd\u4f5c\uff0c\u4e00\u4e2a\u6808\u5b58\u6570\u5b57\uff0c\u4e00\u4e2a\u6808\u5b58\u7b26\u53f7\u3002\u8fd0\u7b97\u8fc7\u7a0b\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u6bd4\u8f83\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\uff0c\u5982\u679c\u5f53\u524d\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7<=\u6808\u9876\u8fd0\u7b97\u7b26\uff0c\u5c31\u628a\u6808\u9876\u8fd0\u7b97\u7b26\u5f39\u51fa\uff0c\u4e0e\u6570\u5b57\u6808\u9876\u5143\u7d20\uff08\u52a0\u51cf\u4e58\u9664\u662f\u4e24\u4e2a\uff0c\u5f00\u65b9\u5e73\u65b9\u662f\u4e00\u4e2a\uff09\u8fdb\u884c\u8fd0\u7b97\uff0c\u628a\u7ed3\u679c\u518d\u538b\u5165\u6570\u5b57\u6808\u3002<\/p>\n\n\n\n
\u5148\u4e0d\u8003\u8651\u62ec\u53f7\uff0c\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9\u6709\u4ee5\u4e0b\u51e0\u70b9<\/p>\n\n\n\n
  • \u8868\u8fbe\u5f0f\u4e3a\u7a7a\u7684\u60c5\u51b5\u76f4\u63a5\u8f93\u51fa0<\/li>
  • \u6570\u5b57\u6808\u7528double\u9632\u6b62\u9664\u6cd5\u5f00\u65b9\u9020\u6210\u5c0f\u6570<\/li>
  • \u5e73\u65b9\u4e3a\u6808\u9876\u8fd0\u7b97\u7b26\u6216\u5f00\u65b9\u4e3a\u5f53\u524d\u8fd0\u7b97\u7b26\u65f6\uff0c\u4e0d\u5e94\u628a\u5f53\u524d\u6570\u5b57\u538b\u5165\u6570\u5b57\u6808<\/li>
  • \u5faa\u73af\u7ed3\u675f\u540e\u8fd0\u7b97\u7b26\u6808\u53ef\u80fd\u4e3a\u7a7a\uff0c\u5c31\u76f4\u63a5\u8f93\u51fa\u6570\u5b57\u6808\u9876\u5143\u7d20<\/li>
  • \u6ce8\u610f\u8f93\u5165\u8d1f\u6570\u7684\u60c5\u51b5<\/li><\/ul>\n\n\n\n
    \u8003\u8651\u62ec\u53f7\u5176\u5b9e\u5c31\u662f\u6ce8\u610f\u5de6\u62ec\u53f7\u5165\u6808\u65f6\u8981\u5c0f\u5fc3\u6570\u5b57\u662f\u5426\u538b\u5165\uff0c\u5c24\u5176\u6ce8\u610f\u5de6\u62ec\u53f7\u5728\u8868\u8fbe\u5f0f\u7b2c\u4e00\u4f4d\u65f6\u7684\u8ba8\u8bba\uff0c\u56e0\u6b64\u6574\u4e2a\u662f\u5426\u538b\u5165\u6570\u5b57\u7684\u6761\u4ef6\u5224\u65ad\u6bd4\u8f83\u590d\u6742\u3002<\/p>\n\n\n\n
    \u5f53\u5faa\u73af\u5230\u53f3\u62ec\u53f7\u65f6\u5355\u72ec\u5904\u7406\uff0c\u8ba1\u7b97\u76f4\u5230\u5de6\u62ec\u53f7\u4e3a\u8fd0\u7b97\u7b26\u4e3a\u5806\u9876\u5143\u7d20\u3002\u53f3\u62ec\u53f7\u540e\u4e00\u4e2a\u8fd0\u7b97\u7b26\u5904\u7406\u65f6\u9700\u8981\u6ce8\u610f\u4e0d\u80fd\u628a\u6570\u5b57\u538b\u5165\u3002<\/p>\n\n\n\n
    \u5b9e\u9645\u4ee3\u7801\u5b9e\u73b0\u65f6\u5148\u5199\u4e00\u4e2a\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u6bd4\u8f83\u51fd\u6570\uff0c\u4e00\u4e2a\u5f39\u51fa\u8fd0\u7b97\u7b26\u6808\u9876\u5143\u7d20\u8fdb\u884c\u8ba1\u7b97\u7684\u51fd\u6570\uff0c\u6ce8\u610f\u4f20\u5165\u6808\u65f6\uff0cC#\u6ca1\u6709\u6307\u9488\uff0c\u4f7f\u7528ref\u8fdb\u884c\u5f15\u7528\u3002<\/p>\n\n\n\n
    using System;\r\nusing System.Windows.Forms;\r\nusing System.Collections;\r\nusing System.Collections.Generic;\r\n\r\nnamespace Calculator\r\n{\r\n    public partial class Form1 : Form\r\n    {\r\n        public Form1()\r\n        {\r\n            InitializeComponent();\r\n        }\r\n\r\n        private void Form1_Load(object sender, EventArgs e)\r\n        {\r\n\r\n        }\r\n\r\n        private void NumButton1_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"1\";\r\n        }\r\n\r\n        private void NumButton2_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"2\";\r\n        }\r\n\r\n        private void NumButton3_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"3\";\r\n        }\r\n\r\n        private void NumButton4_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"4\";\r\n        }\r\n\r\n        private void NumButton5_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"5\";\r\n        }\r\n\r\n        private void NumButton6_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"6\";\r\n        }\r\n\r\n        private void NumButton7_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"7\";\r\n        }\r\n\r\n        private void NumButton8_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"8\";\r\n        }\r\n\r\n        private void NumButton9_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"9\";\r\n        }\r\n\r\n        private void NumButton0_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"0\";\r\n        }\r\n\r\n        private void LeftBracketButton_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"(\";\r\n        }\r\n\r\n        private void RightBracketButton_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \")\";\r\n        }\r\n\r\n        private void PlusButton_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"+\";\r\n        }\r\n\r\n        private void MinusButton_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"-\";\r\n        }\r\n\r\n        private void SquareRootButton_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"\u221a\";\r\n        }\r\n\r\n        private void MultiplyButton_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"\u00d7\";\r\n        }\r\n\r\n        private void DevideButton_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"\u00f7\";\r\n        }\r\n\r\n        private void SquareButton_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text += \"\u00b2\";\r\n        }\r\n\r\n        private void CleatButton_Click(object sender, EventArgs e)\r\n        {\r\n            NumText.Text = \"\";\r\n        }\r\n\r\n        private void ResultButton_Click(object sender, EventArgs e)\r\n        {\r\n            \/\/\u83b7\u53d6\u8ba1\u7b97\u6846\u5185\u73b0\u6709\u5b57\u7b26\r\n            string expression = NumText.Text;\r\n            \/\/\u5982\u679c\u8868\u8fbe\u5f0f\u4e3a\u7a7a\r\n            if (expression.Length == 0)\r\n            {\r\n                NumText.Text = \"0\";\r\n                return;\r\n            }\r\n            \/\/\u4f7f\u7528\u6808\u7ed3\u6784\u5904\u7406\u6570\u5b57\u53ca\u7b26\u53f7\r\n            Stack<double> numStack = new Stack<double>();\r\n            Stack<char> symbolStack = new Stack<char>();\r\n            \/\/\u4e34\u65f6\u6570\u5b57\r\n            double tempNumber = 0;\r\n            \/\/\u6b63\u8d1f\u53f7\r\n            int plusOrMinus = 1;\r\n            \/\/\u904d\u5386\u5f53\u524d\u5b57\u7b26\r\n            for(int i = 0; i < expression.Length; i++)\r\n            {\r\n                \/\/\u83b7\u5f97\u5f53\u524d\u5b57\u7b26\r\n                char tempChar = expression[i];\r\n                \/\/\u5982\u679c\u662f\u6570\u5b57\r\n                if(char.IsDigit(tempChar))\r\n                {\r\n                    if(plusOrMinus==1)\r\n                        tempNumber = 10 * (int)tempNumber + (int)tempChar-(int)'0';\r\n                    else\r\n                        tempNumber = 10 * (int)tempNumber - (int)tempChar + (int)'0';\r\n                }\r\n                \/\/\u5982\u679c\u662f\u7b26\u53f7\r\n                else\r\n                {\r\n                    \/\/\u5982\u679c\u8f93\u5165\u7684\u662f\u8d1f\u53f7\r\n                    \/\/\u4e24\u79cd\u60c5\u51b5\u662f\u8d1f\u53f7 1\u5f00\u5934 2\u8ddf\u5728\u52a0\u51cf\u4e58\u9664\u540e\u9762\r\n                    if (tempChar == '-')\r\n                    {\r\n                        if (i == 0 || expression[i - 1] == '+' || expression[i - 1] == '-' || expression[i - 1] == '\u00d7' || expression[i - 1] == '\u00f7')\r\n                        {\r\n                            plusOrMinus = -1;\r\n                            continue;\r\n                        }\r\n                        else\r\n                            plusOrMinus = 1;\r\n                    }\r\n                    else\r\n                        plusOrMinus = 1;\r\n                    \/\/\u5982\u679c\u5f53\u524d\u7b26\u53f7\u4e3a\uff08\u5c31\u4e00\u5b9a\u4e0d\u538b\u5165\u6570\u5b57\r\n                    if (tempChar != '(')\r\n                    {\r\n                        \/\/\u5982\u679c\u7b26\u53f7\u6808\u4e3a\u7a7a\u6216\u6808\u9876\u7b26\u53f7\u4e0d\u4e3a\u5e73\u65b9\u6216\u5f00\u65b9\u5c31\u5c06\u5f53\u524d\u6570\u5b57\u538b\u5165\u6808\r\n                        if(symbolStack.Count == 0 || (symbolStack.Peek() != '\u00b2' && tempChar != '\u221a'))\r\n                        {\r\n                            numStack.Push(tempNumber);\r\n                            tempNumber = 0;\r\n                        }\r\n                    }\r\n                    \/\/\u5f53\u524d\u8fd0\u7b97\u7b26\u4e3a\u53f3\u62ec\u53f7\u65f6\u5355\u72ec\u5904\u7406\r\n                    if (tempChar == ')')\r\n                    {\r\n                        double tempResult = 0;\r\n                        \/\/\u5982\u679c\u8fd0\u7b97\u7b26\u6808\u9876\u4e0d\u4e3a\uff08\u5219\u4e00\u76f4\u8ba1\u7b97\r\n                        while(symbolStack.Peek() != '(')\r\n                        {\r\n                            tempResult = partCal(symbolStack.Pop(), ref numStack);\r\n                            numStack.Push(tempResult);\r\n                        }\r\n                        \/\/\u5224\u65ad\u53f3\u62ec\u53f7\u662f\u5426\u4e3a\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\uff0c\u5982\u679c\u4e0d\u662f\u5c31\u5c06\u6808\u9876\u5f39\u51fa\uff0c\u4ea4\u7ed9tempNumber\u4ee5\u4fbf\u5faa\u73af\u5230\u4e0b\u4e00\u4e2a\u8fd0\u7b97\u7b26\u65f6\u538b\u5165\u6570\u5b57\u6808\r\n                        if(i< expression.Length - 1)\r\n                        {\r\n                            tempNumber = numStack.Pop();\r\n                        }\r\n                        \/\/\u5c06\u5de6\u62ec\u53f7\u5f39\u51fa\r\n                        symbolStack.Pop();\r\n                        continue;\r\n                    }\r\n                    \/\/\u8fdb\u5165\u5faa\u73af\uff0c\u4e0d\u65ad\u4e0e\u8fd0\u7b97\u7b26\u6808\u9876\u5143\u7d20\u6bd4\u8f83\u4f18\u5148\u7ea7\r\n                    while (true)\r\n                    {\r\n                        \/\/\u82e5\u8fd0\u7b97\u7b26\u6808\u4e3a\u7a7a\u6216\u5f53\u524d\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u9ad8\u4e8e\u6808\u9876\u8fd0\u7b97\u7b26\u5219\u5c06\u5f53\u524d\u8fd0\u7b97\u7b26\u5165\u6808\r\n                        \/\/\u5f00\u65b9\u5904\u7406\u7531\u4e8e\u8fd0\u7b97\u6570\u5728\u8fd0\u7b97\u7b26\u540e\uff0c\u6240\u4ee5\u6c38\u8fdc\u76f4\u63a5\u5165\u6808\r\n                        if(symbolStack.Count==0 || priorityCompare(tempChar, symbolStack.Peek()) > 0 || tempChar== '\u221a' || symbolStack.Peek() == '(')\r\n                        {\r\n                            symbolStack.Push(tempChar);\r\n                            \/\/\u538b\u5165\u6808\u540e\u5373\u53ef\u8df3\u51fa\u5faa\u73af\r\n                            break;\r\n                        }\r\n                        \/\/\u5f53\u524d\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u5c0f\u4e8e\u7b49\u4e8e\u6808\u9876\u8fd0\u7b97\u7b26\u65f6\uff0c\u5c06\u524d\u9879\u8fdb\u884c\u8ba1\u7b97\r\n                        else\r\n                        {\r\n                            \/\/\u5c06\u8ba1\u7b97\u7ed3\u679c\u538b\u5165\u6808\u9876\r\n                            numStack.Push(partCal(symbolStack.Pop(), ref numStack));\r\n                        }\r\n                    }\r\n                }\r\n            }\r\n            \/\/\u5982\u679c\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u662f\u6570\u5b57\uff0c\u5c06\u6700\u540e\u4e00\u4e2a\u6570\u5b57\u538b\u5165\u6808\r\n            if (char.IsDigit(expression[expression.Length - 1]))\r\n                numStack.Push(tempNumber);\r\n            \/\/\u8bfb\u53d6\u4e24\u4e2a\u6808\u4e2d\u6570\u636e\u8fdb\u884c\u7ed3\u679c\u8ba1\u7b97\r\n            double finalResult = 0;\r\n            \/\/\u76ee\u524d\u8fd0\u7b97\u7b26\u6808\u9876\u53ef\u80fd\u662f\u4efb\u610f\u8fd0\u7b97\u7b26\uff0c\u6570\u5b57\u6808\u5185\u6709\u4e00\u81f3\u4e24\u4e2a\u6570\u5b57\r\n            if (symbolStack.Count == 0)\r\n                finalResult = numStack.Pop();\r\n            while (symbolStack.Count != 0)\r\n            {\r\n                finalResult = partCal(symbolStack.Pop(), ref numStack);\r\n                numStack.Push(finalResult);\r\n            }\r\n            ResultBox.Text = finalResult.ToString();\r\n        }\r\n\r\n        \/\/\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u6bd4\u8f83\u51fd\u6570\r\n        public int priorityCompare(char sym1, char sym2) \r\n        {\r\n            int s1 = 0;\r\n            int s2 = 0;\r\n            if (sym1 == '(')\r\n                s1 = 4;\r\n            if (sym1 == '\u221a' || sym1 == '\u00b2')\r\n                s1 = 3;\r\n            if (sym1 == '\u00d7' || sym1 == '\u00f7')\r\n                s1 = 2;\r\n            if (sym1 == '\uff0b' || sym1 == '-')\r\n                s1 = 1;\r\n            if (sym2 == '(')\r\n                s2 = 4;\r\n            if (sym2 == '\u221a' || sym2 == '\u00b2')\r\n                s2 = 3;\r\n            if (sym2 == '\u00d7' || sym2 == '\u00f7')\r\n                s2 = 2;\r\n            if (sym2 == '\uff0b' || sym2 == '-')\r\n                s2 = 1;\r\n            return (s1 - s2);\r\n        }\r\n\r\n        \/\/\u8ba1\u7b97\u51fd\u6570\r\n        public double partCal(char symbol,ref Stack<double> num_stack)\r\n        {\r\n            double result = 0;\r\n            if (symbol == '\u221a' || symbol == '\u00b2')\r\n            {\r\n                \/\/\u5f39\u51fa\u6808\u9876\u5143\u7d20\r\n                double pop_num = num_stack.Pop();\r\n                if (symbol == '\u221a')\r\n                    pop_num = Math.Sqrt(pop_num);\r\n                if (symbol == '\u00b2')\r\n                    pop_num *= pop_num;\r\n                result = pop_num;\r\n            }\r\n            else\r\n            {\r\n                \/\/\u53d6\u6808\u9876\u5143\u7d20\u4e3a\u7b97\u5f0f\u540e\u6570\uff0c\u518d\u53d6\u4e00\u4e2a\u4e3a\u524d\u6570\r\n                double subNum = num_stack.Pop();\r\n                double preNum = num_stack.Pop();\r\n                if (symbol == '+')\r\n                    result = preNum + subNum;\r\n                if (symbol == '-')\r\n                    result = preNum - subNum;\r\n                if (symbol == '\u00d7')\r\n                    result = preNum * subNum;\r\n                if (symbol == '\u00f7')\r\n                    result = preNum \/ subNum;\r\n            }\r\n            return result;\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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