四则运算最终成品

Posted 2020-07-05

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组员：刘伟李晨（http://www.cnblogs.com/jiajun1/）

1.设计思路

这次采用的C#制作的图形化的四则运算程序。

2.源代码

  1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Threading.Tasks;
  9 using System.Windows.Forms;
 10 
 11 namespace 四则运算2._0
 12 {
 13     public partial class Form1 : Form
 14     {
 15         int shumu = 0;
 16         int min = 0;
 17         int max = 0;
 18         string allfuhao;
 19         string fuhao;
 20         public Form1()
 21         {
 22             InitializeComponent();
 23         }
 24         private void Form1_Load(object sender, EventArgs e)
 25         {
 26             richTextBox1.Clear();
 27             textBox2.Clear();
 28             textBox3.Clear();
 29             textBox4.Clear();
 30         }
 31         private void checkBox2_CheckedChanged(object sender, EventArgs e)
 32         {
 33 
 34         }
 35 
 36         private void richTextBox1_TextChanged(object sender, EventArgs e)
 37         {
 38 
 39         }
 40 
 41         private void textBox4_TextChanged(object sender, EventArgs e)
 42         {
 43 
 44         }
 45 
 46         private void label2_Click(object sender, EventArgs e)
 47         {
 48 
 49         }
 50 
 51         private void button2_Click(object sender, EventArgs e)
 52         {
 53             shumu = int.Parse(textBox3.Text);
 54             min = int.Parse(textBox4.Text);
 55             max = int.Parse(textBox2.Text);
 56             System.Random number = new Random(System.DateTime.Now.Millisecond);
 57             //循环输出题目
 58             for (int i = 0; i <shumu; i++)
 59             {
 60                 int num1 = number.Next(min, max);
 61                 int num2 = number.Next(min, max);
 62                 int num3 = number.Next(min, max);
 63                 int yunsuan1 = number.Next(0, 4);
 64                 int yunsuan2 = number.Next(0, 2);
 65                 //定义变量
 66                 int fuhaonum = number.Next(0, 2);
 67                 if (fuhaonum == 0)//符号进行随机
 68                 {
 69                     fuhao = "+";
 70                 };
 71                 if (fuhaonum == 1)
 72                 {
 73                     fuhao = "-";
 74                 };
 75                 int allfuhaonum = number.Next(0, 4);
 76                 if (allfuhaonum == 0)
 77                 {
 78                     allfuhao = "+";
 79                 };
 80                 if (allfuhaonum == 1)
 81                 {
 82                     allfuhao = "-";
 83                 };
 84                 if (allfuhaonum == 2)
 85                 {
 86                     allfuhao = "*";
 87                 };
 88                 if (allfuhaonum == 3)
 89                 {
 90                     allfuhao = "/";
 91                 };
 92 
 93                 if (checkBox4.Checked == true)//有括号
 94                 {
 95                     richTextBox1.Text += num3;
 96                     if (checkBox1.Checked == true)//有乘除
 97                     {
 98                         if (checkBox3.Checked == true)//结果允许为负
 99                         {
100                             if (yunsuan1 == 0) { richTextBox1.Text += allfuhao + "(" + num1 + "+" + num2 + ")" + "="+"     "; }
101                             else if (yunsuan1 == 1) { richTextBox1.Text += allfuhao + "(" + num1 + "*" + num2 + ")" + "=" + "     "; }
102                             else if (yunsuan1 == 2) { richTextBox1.Text += allfuhao + "(" + num1 + "-" + num2 + ")" + "=" + "     "; }//减法有负数
103                             else if (yunsuan1 == 3 && num2 != 0) { richTextBox1.Text += allfuhao + "(" + num1 + "/" + num2 + ")" + "=" + "     "; }//除法有余数
104                         }
105                         else if(checkBox3.Checked == false)//结果不允许为负
106                         {
107                             if (yunsuan1 == 0) { richTextBox1.Text += allfuhao + "(" + num1 + "+" + num2 + ")" + "=" + "     "; }
108                             else if (yunsuan1 == 1) { richTextBox1.Text += allfuhao + "(" + num1 + "*" + num2 + ")" + "=" + "     "; }
109                             else if (yunsuan1 == 2 && num1 > num2) { richTextBox1.Text += allfuhao + "(" + num1 + "-" + num2 + ")" + "=" + "     "; }//减法无负数
110                             else if (yunsuan1 == 2 && num1 < num2) { richTextBox1.Text += allfuhao + "(" + num2 + "-" + num1 + ")" + "=" + "     "; }//减法无负数
111                             else if (yunsuan1 == 3 && num2 != 0) { richTextBox1.Text += allfuhao + "(" + num1 + "/" + num2 + ")" + "=" + "     "; }//除法有余数
112                         }
113                     }
114                     else if(checkBox1.Checked == false)//没有乘除法
115                         if (checkBox3.Checked == true)//减法有负数
116                         {
117                             if (yunsuan2 == 0) { richTextBox1.Text += fuhao + "(" + num1 + "+" + num2 + ")" + "=" + "     "; }
118                             else if (yunsuan2 == 1) { richTextBox1.Text += fuhao + "(" + num1 + "-" + num2 + ")" + "=" + "     "; }//减法有负数
119                         }
120                         else if (checkBox3.Checked == false)//结果不允许为负
121                         {
122                             if (yunsuan2 == 0) { richTextBox1.Text += fuhao + "(" + num1 + "+" + num2 + ")" + "=" + "     "; }
123                             else if (yunsuan2 == 1 && num1 > num2) { richTextBox1.Text += fuhao + "(" + num1 + "-" + num2 + ")" + "=" + "     "; }//减法无负数
124                             else if (yunsuan2 == 1 && num1 <= num2) { richTextBox1.Text += fuhao + "(" + num2 + "-" + num1 + ")" + "=" + "     "; }//减法无负数
125                         }
126                 }
127                 else if (checkBox4.Checked == false)//没有括号
128                 {                
129                     if (checkBox1.Checked == true)//有乘除
130                     {
131                         if (checkBox3.Checked == true)//结果允许为负
132                         {
133                             if (yunsuan1 == 0) { richTextBox1.Text += num1 + "+" + num2 + "=" + "     "; }
134                             else if (yunsuan1 == 1) { richTextBox1.Text += num1 + "*" + num2 + "=" + "     "; }
135                             else if (yunsuan1 == 2) { richTextBox1.Text += num1 + "-" + num2 + "=" + "     "; }//减法有负数
136                             else if (yunsuan1 == 3 && num2 != 0) { richTextBox1.Text += num1 + "/" + num2 + "=" + "     "; }//除法有余数
137                         }
138                         else if (checkBox3.Checked == false)//结果不允许为负
139                         {
140                             if (yunsuan1 == 0) { richTextBox1.Text += num1 + "+" + num2 + "=" + "     "; }
141                             else if (yunsuan1 == 1) { richTextBox1.Text += num1 + "*" + num2 + "=" + "     "; }
142                             else if (yunsuan1 == 2 && num1 > num2) { richTextBox1.Text += num1 + "-" + num2 + "=" + "     "; }//减法无负数
143                             else if (yunsuan1 == 2 && num1 <= num2) { richTextBox1.Text += num2 + "-" + num1 + "=" + "     "; }//减法无负数
144                             else if (yunsuan1 == 3 && num2 != 0) { richTextBox1.Text += num1 + "/" + num2 + "=" + "     "; }//除法有余数
145                         }
146                     }
147                     else if (checkBox1.Checked == false)//没有乘除法
148                          if (checkBox3.Checked == true)//结果允许为负
149                         {
150                             if (yunsuan2 == 0) { richTextBox1.Text += num1 + "+" + num2 + "=" + "     "; }
151                             else if (yunsuan2 == 1) { richTextBox1.Text += num1 + "-" + num2 + "=" + "     "; }//减法有负数                          
152                         }
153                          else if (checkBox3.Checked == false)//结果不允许为负
154                          {
155                              if (yunsuan2 == 0) { richTextBox1.Text += num1 + "+" + num2 + "=" + "     "; }
156                              else if (yunsuan2 == 1 && num1 > num2) { richTextBox1.Text += num1 + "-" + num2 + "=" + "     "; }//减法无负数
157                              else if (yunsuan2 == 1 && num1 <= num2) { richTextBox1.Text += num2 + "-" + num1 + "=" + "     "; }//减法无负数
158                          }
159                 }
160             }
161 
162         }
163 
164         private void button1_Click(object sender, EventArgs e)
165         {
166             richTextBox1.Clear();
167             textBox4.Text = "";
168             textBox3.Text = "";
169             textBox2.Text = "";
170             checkBox1.Checked = false;
171             checkBox2.Checked = false;
172             checkBox3.Checked = false;
173             checkBox4.Checked = false;
174         }
175 
176         private void textBox2_TextChanged(object sender, EventArgs e)
177         {
178 
179         }
180 
181         private void textBox3_TextChanged(object sender, EventArgs e)
182         {
183 
184         }
185 
186         private void groupBox1_Enter(object sender, EventArgs e)
187         {
188 
189         }
190 
191         private void checkBox1_CheckedChanged(object sender, EventArgs e)
192         {
193 
194         }
195 
196         private void checkBox4_CheckedChanged(object sender, EventArgs e)
197         {
198 
199         }
200 
201         private void fileSystemWatcher1_Changed(object sender, System.IO.FileSystemEventArgs e)
202         {
203 
204         }
205 
206         private void checkBox3_CheckedChanged(object sender, EventArgs e)
207         {
208 
209         }
210 
211         private void button3_Click(object sender, EventArgs e)
212         {            
213             textBox4.Text = "";
214             textBox3.Text = "";
215             textBox2.Text = "";           
216         }
217 
218         private void button4_Click(object sender, EventArgs e)
219         {
220             checkBox1.Checked = false;
221             checkBox2.Checked = false;
222             checkBox3.Checked = false;
223             checkBox4.Checked = false;
224         }
225     }
226 }

3.结果截图

技术分享

4项目计划总结：

日期&&任务	听课	编写程序	阅读相关书籍	网上查找资料	日总计
周一	100	70		15	195
周二		40	45		95
周三		50	45	35	120
周四	100	40	40		180
周五		90		15	105
周六			40	15	65
周日			45		45
周总

5时间记录日志：

日期	开始时间	结束时间	中断时间	净时间	活动	备注
3/27	14：00	15：50	10	100	听课	软件工程上课
	21：00	21：25		20	阅读书籍	《构建之法》
3/28	14：00	17：00	10	110	编程	编写作业
	18：00	22：00	10	110	看书	《构建之法》
3/29	21：00	21：30		30	编程	编写老师布置的作业
3/30	14：00	15：50	10	100	听课	软件工程上课
3/31	16：00	18：00		120	编程	编写作业
4/4	9：00	9：30		30	看书	《构建之法》《人月神话》
4/5	9：00	9：30		30	看书	《构建之法》