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 numconversion
12 {
13 public partial class Form1 : Form
14 {
15 const int n=4,m=4;
16 string str=null;
17 string hex, dec, oct, bin;
18 Button[,] buttons = new Button[n, n];
19 RadioButton[] rbs = new RadioButton[m];
20 TextBox[] TB = new TextBox[m+1];
21 public Form1()
22 {
23 InitializeComponent();
24 }
25
26 private void Form1_Load(object sender, EventArgs e)
27 {
28 MaximizeBox = false;
29 LoadTB();
30 GenerateButton();
31 GenerateRB();
32 rbs[0].Checked = true;
33
34 }
35 //数组引用文本框便于利用循环
36 void LoadTB()
37 {
38 TB[1] = textBox1;
39 TB[2] = textBox2;
40 TB[3] = textBox3;
41 TB[4] = textBox4;
42
43 }
44 //初始化radiobutton
45 void GenerateRB()
46 {
47 const int h=27;
48 int right = label1.Left,top=label1.Top-6;
49 for(int i=0;i<m;i++)
50 {
51 RadioButton rb = new RadioButton();
52
53 rb.Text = null;
54 rb.Top = top+i*h;
55 rb.Left = right-15;
56 rbs[i] = rb;
57 this.Controls.Add(rb);
58 rb.Click += new EventHandler(rb_Click);
59
60 }
61 }
62
63 void rb_Click(object sender, EventArgs e)
64 {
65 DisenableAllBtns();
66 switch(GetRbNum())
67 {
68 case 1: EnableBtns(16); str = textBox1.Text; break;
69 case 2: EnableBtns(10); str = textBox2.Text; break;
70 case 3: EnableBtns(8); str = textBox3.Text; break;
71 case 4: EnableBtns(2); str = textBox4.Text; break;
72
73
74 }
75
76
77 }
78
79 void DisenableAllBtns()
80 {
81 for(int i=0;i<n;i++)
82 {
83 for(int j=0;j<n;j++)
84 {
85 buttons[i, j].Enabled = false;
86 }
87 }
88 }
89 void EnableBtns(int num)
90 {
91 for (int i = 0; i < n; i++)
92 {
93 for (int j = 0; j < n; j++)
94 {
95 if (Convert.ToInt32(buttons[i, j].Tag)<=num)buttons[i, j].Enabled = true;
96 }
97 }
98 }
99 //获取选中的radiobutton的num
100 int GetRbNum()
101 {
102 for(int i=0;i<m;i++)
103 {
104 if (rbs[i].Checked == true) return i+1;
105
106 }
107 return 0;
108 }
109 //初始化所有数值按钮
110 void GenerateButton()
111 {
112 int btn_wid=45,d=50;
113 int left0=textBox1.Left ,top0=btn_backspace.Top+btn_backspace.Height+10;
114 for(int i=0;i<n;i++)
115 {
116 for (int j=0;j<n;j++)
117 {
118 Button btn=new Button();
119 btn.Text=SwitchCharByNum(i*n+j).ToString();
120 btn.Top=top0+i*d;
121 btn.Left=left0+j*d;
122 btn.Width=btn_wid;
123 btn.Height=btn_wid;
124 btn.Tag=(i*n+j+1).ToString();
125 btn.Visible = true;
126 btn.Click+=new EventHandler(btn_Click);
127 buttons[i, j] = btn;
128 this.Controls.Add(btn);
129
130
131 }
132 }
133 }
134 //通过数值来获取字符给按钮文本
135 char SwitchCharByNum(int num)
136 {
137 char a=‘ ‘;
138 if(num<=9&&num>=0)a=(char)(‘0‘+num);
139 else if(num>=10&&num<=16)a=(char)(‘A‘-10+num);
140
141 return a;
142 }
143 //从字符得到数值
144 int SwitchNumByChar(char a)
145 {
146 int n=-1;
147 if(a<=‘9‘&&a>=‘0‘)n=a-‘0‘;
148 if(a<=‘F‘&&a>=‘A‘)n=a-‘A‘+10;
149 return n;
150 }
151
152 void btn_Click(object sender,EventArgs e)
153 {
154 Button bta=sender as Button;
155 int num = GetRbNum();
156 str = str + bta.Text;
157 TB[num].Text = str;
158 conver(TB[num].Text, SwitchSysByNum(num));
159 }
160
161
162
163 private void btn_empty_Click(object sender, EventArgs e)
164 {
165 for (int i = 1; i <= m; i++) TB[i].Text = null;
166 hex = null;
167 dec = null;
168 oct = null;
169 bin = null;
170 str = null;
171 }
172
173 private void btn_backspace_Click(object sender, EventArgs e)
174 {
175 int num = GetRbNum();
176 if (TB[num].Text != "")
177 {
178 TB[num].Text = TB[num].Text.Remove(TB[num].Text.Length - 1, 1);
179 str = TB[num].Text;
180 conver(TB[num].Text, SwitchSysByNum(num));
181 }
182
183 }
184 //s字符串 x字符串进制
185 void conver(string s,int x)
186 {
187 int decn=ToDec(s, x);
188 dec=decn.ToString();
189 hex = DecTo(decn,16);
190 oct= DecTo(decn, 8);
191 bin = DecTo(decn, 2);
192 textBox1.Text = hex;
193 textBox2.Text = dec;
194 textBox3.Text = oct;
195 textBox4.Text = bin;
196 }
197
198 //由c进制转为10进制
199 int ToDec(string b,int c)
200 {
201 int num=0;
202 for (int i = 0; i < b.Length; i++)
203 {
204 num = num + SwitchNumByChar(b[i]) *(int) Math.Pow(c, b.Length - i-1);
205 }
206
207 return num;
208 }
209 //由10进制转为c进制
210 string DecTo(int b,int c)
211 {
212 string a = null;
213 int d=-1;
214 do
215 {
216
217 d=b%c;
218 b = b / c;
219 a=SwitchCharByNum(d).ToString()+a;
220 }while(b>=1);
221 return a;
222 }
223 //由radiobutton获取当前进制
224 int SwitchSysByNum(int x)
225 {
226 switch(x)
227 {
228 case 1: return 16;
229 case 2: return 10;
230 case 3: return 8;
231 case 4: return 2;
232 }
233 return 1;
234 }
235
236 private void pictureBox1_Click(object sender, EventArgs e)
237 {
238 Form2 form = new Form2();
239 form.ShowDialog();
240 }
241
242
243
244 }
245 }
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时间： 2024-09-29 09:13:59