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




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》 |
6缺陷记录日志:
| 日期 | 编号 | 类型 | 引入阶段 | 排除阶段 | 修复时间 | 修复缺陷 |
| 3月26日 | 1 | 编码 | 编码 | 30min |
在c#的运用中出现了一些知识问题查阅资料解决 |