ruby编写的简单计算器

jitaolee

用wxruby编写的一个简单的图形界面计算器：
1.初步实现了+ - × / 平方根的功能
2.MC MR MS M+功能没有做
目前功能都比较简单，还有许多功能需要优化，供初学者交流
[Ruby]代码

1. begin
   
2.   require 'rubygems'
   
3. rescue LoadError
   
4. end
   
5. require 'wx'
   
6. include Wx
   
7. 
   
8. $op_x = ""
   
9. $op_y = ""
   
10. $result = 0
    
11. $operator = nil
    
12. $point_flag = nil
    
13. 
    
14. class CacuFrame < Frame
    
15.   #��ʼ������
    
16.    
    
17.   def initialize()
    
18.     super(nil, -1, 'Caculator', :size => [340,380], :style => MINIMIZE_BOX|SYSTEM_MENU|CAPTION|CLOSE_BOX|CLIP_CHILDREN)
    
19.      
    
20.     #�����������ؼ��������ť�¼�
    
21.     @my_panel = Panel.new(self)
    
22.     @my_textbox = TextCtrl.new(@my_panel, -1, '0', :size => [320,30])
    
23.     @button_num1 = Button.new(@my_panel, -1, '1',Point.new(80,220), Size.new(50,50))
    
24.     evt_button(@button_num1.get_id()) {|event| num1_button_click(event)}
    
25.     @button_num2 = Button.new(@my_panel, -1, '2',Point.new(140,220), Size.new(50,50))
    
26.     evt_button(@button_num2.get_id()) {|event| num2_button_click(event)}
    
27.     @button_num3 = Button.new(@my_panel, -1, '3',Point.new(200,220), Size.new(50,50))
    
28.     evt_button(@button_num3.get_id()) {|event| num3_button_click(event)}
    
29.     @button_num4 = Button.new(@my_panel, -1, '4',Point.new(80,160), Size.new(50,50))
    
30.     evt_button(@button_num4.get_id()) {|event| num4_button_click(event)}
    
31.     @button_num5 = Button.new(@my_panel, -1, '5',Point.new(140,160), Size.new(50,50))
    
32.     evt_button(@button_num5.get_id()) {|event| num5_button_click(event)}
    
33.     @button_num6 = Button.new(@my_panel, -1, '6',Point.new(200,160), Size.new(50,50))
    
34.     evt_button(@button_num6.get_id()) {|event| num6_button_click(event)}
    
35.     @button_num7 = Button.new(@my_panel, -1, '7',Point.new(80,100), Size.new(50,50))
    
36.     evt_button(@button_num7.get_id()) {|event| num7_button_click(event)}
    
37.     @button_num8 = Button.new(@my_panel, -1, '8',Point.new(140,100), Size.new(50,50))
    
38.     evt_button(@button_num8.get_id()) {|event| num8_button_click(event)}
    
39.     @button_num9 = Button.new(@my_panel, -1, '9',Point.new(200,100), Size.new(50,50))
    
40.     evt_button(@button_num9.get_id()) {|event| num9_button_click(event)}
    
41.     @button_num0 = Button.new(@my_panel, -1, '0',Point.new(80,280), Size.new(110,50))
    
42.     evt_button(@button_num0.get_id()) {|event| num0_button_click(event)}
    
43.     @button_clear = Button.new(@my_panel, -1, 'C',Point.new(20,40), Size.new(50,50))
    
44.     evt_button(@button_clear.get_id()) {|event| clear_button_click(event)}
    
45.     @button_back = Button.new(@my_panel, -1, '<--',Point.new(80,40), Size.new(50,50))
    
46.     evt_button(@button_back.get_id()) {|event| back_button_click(event)}
    
47.     @button_squ = Button.new(@my_panel, -1, '^0.5',Point.new(140,40), Size.new(50,50))
    
48.     evt_button(@button_squ.get_id()) {|event| squ_button_click(event)}
    
49.     @button_div = Button.new(@my_panel, -1, '/',Point.new(200,40), Size.new(50,50))
    
50.     evt_button(@button_div.get_id()) {|event| div_button_click(event)}
    
51.     @button_mul = Button.new(@my_panel, -1, 'X',Point.new(260,40), Size.new(50,50))
    
52.     evt_button(@button_mul.get_id()) {|event| mul_button_click(event)}
    
53.     @button_subtract = Button.new(@my_panel, -1, '-',Point.new(260,100), Size.new(50,50))
    
54.     evt_button(@button_subtract.get_id()) {|event| subtract_button_click(event)}
    
55.     @button_add = Button.new(@my_panel, -1, '+',Point.new(260,160), Size.new(50,50))
    
56.     evt_button(@button_add.get_id()) {|event| add_button_click(event)}
    
57.     @button_result = Button.new(@my_panel, -1, '=',Point.new(260,220), Size.new(50,110))
    
58.     evt_button(@button_result.get_id()) {|event| result_button_click(event)}
    
59.     @button_point = Button.new(@my_panel, -1, '.',Point.new(200,280), Size.new(50,50))
    
60.     evt_button(@button_point.get_id()) {|event| point_button_click(event)}
    
61.     @button_MC = Button.new(@my_panel, -1, 'MC',Point.new(20,100), Size.new(50,50))
    
62.     @button_MR = Button.new(@my_panel, -1, 'MR',Point.new(20,160), Size.new(50,50))
    
63.     @button_MS = Button.new(@my_panel, -1, 'MS',Point.new(20,220), Size.new(50,50))
    
64.     @button_Madd = Button.new(@my_panel, -1, 'M+',Point.new(20,280), Size.new(50,50))
    
65.      
    
66.     #���в���
    
67.     @my_panel_sizer = BoxSizer.new(VERTICAL)
    
68.     @my_panel.set_sizer(@my_panel_sizer)
    
69.     @my_panel.sizer.add(@my_textbox, 0, GROW|ALL, 2)
    
70.      
    
71.     show()   
    
72.      
    
73.   end
    
74.    
    
75.   def num1_button_click(event)
    
76.     if $operator != nil
    
77.       $op_y << "1"   
    
78.       @my_textbox.set_value($op_y)
    
79.     else
    
80.       $op_x << "1"
    
81.       @my_textbox.set_value($op_x)
    
82.     end
    
83.   end
    
84.    
    
85.   def num2_button_click(event)
    
86.     if $operator != nil
    
87.       $op_y << "2"
    
88.       @my_textbox.set_value($op_y)
    
89.     else
    
90.       $op_x << "2"
    
91.       @my_textbox.set_value($op_x)
    
92.     end
    
93.   end
    
94.    
    
95.   def num3_button_click(event)
    
96.     if $operator != nil
    
97.       $op_y << "3"
    
98.       @my_textbox.set_value($op_y)
    
99.     else
    
100.       $op_x << "3"
     
101.       @my_textbox.set_value($op_x)
     
102.     end
     
103.   end
     
104.    
     
105.   def num4_button_click(event)
     
106.     if $operator != nil
     
107.       $op_y << "4"
     
108.       @my_textbox.set_value($op_y)
     
109.     else
     
110.       $op_x << "4"
     
111.       @my_textbox.set_value($op_x)
     
112.     end
     
113.   end
     
114.    
     
115.   def num5_button_click(event)
     
116.     if $operator != nil
     
117.       $op_y << "5"
     
118.       @my_textbox.set_value($op_y)
     
119.     else
     
120.       $op_x << "5"
     
121.       @my_textbox.set_value($op_x)
     
122.     end
     
123.   end
     
124.    
     
125.   def num6_button_click(event)
     
126.     if $operator != nil
     
127.       $op_y << "6"
     
128.       @my_textbox.set_value($op_y)
     
129.     else
     
130.       $op_x << "6"
     
131.       @my_textbox.set_value($op_x)
     
132.     end
     
133.   end
     
134.    
     
135.   def num7_button_click(event)
     
136.     if $operator != nil
     
137.       $op_y << "7"
     
138.       @my_textbox.set_value($op_y)
     
139.     else
     
140.       $op_x << "7"
     
141.       @my_textbox.set_value($op_x)
     
142.     end
     
143.   end
     
144.    
     
145.   def num8_button_click(event)
     
146.     if $operator != nil
     
147.       $op_y << "8"
     
148.       @my_textbox.set_value($op_y)
     
149.     else
     
150.       $op_x << "8"
     
151.       @my_textbox.set_value($op_x)
     
152.     end
     
153.   end
     
154.    
     
155.   def num9_button_click(event)
     
156.     if $operator != nil
     
157.       $op_y << "9"
     
158.       @my_textbox.set_value($op_y)
     
159.     else
     
160.       $op_x << "9"
     
161.       @my_textbox.set_value($op_x)
     
162.     end
     
163.   end
     
164.    
     
165.   def num0_button_click(event)
     
166.     if $operator != nil
     
167.       $op_y << "0"
     
168.       @my_textbox.set_value($op_y)
     
169.     else
     
170.       $op_x << "0"
     
171.       @my_textbox.set_value($op_x)
     
172.     end
     
173.   end
     
174.    
     
175.   def squ_button_click(event)
     
176.     if $operator != nil
     
177.       if ($op_y.to_f >= 0)
     
178.         $op_y = Math.sqrt($op_y.to_f).to_s
     
179.       else
     
180.         $op_y = (-Math.sqrt($op_y.to_f.abs)).to_s
     
181.       end
     
182.       @my_textbox.set_value($op_y)
     
183.     else
     
184.       if ($op_x.to_f >= 0)
     
185.         $op_x = Math.sqrt($op_x.to_f).to_s
     
186.       else
     
187.         $op_x = (-Math.sqrt($op_x.to_f.abs)).to_s
     
188.       end
     
189.       @my_textbox.set_value($op_x)
     
190.     end
     
191.   end
     
192.      
     
193.   def clear_button_click(event)
     
194.     $op_x = ""
     
195.     $op_y = ""
     
196.     $result = 0
     
197.     $operator = nil
     
198.     $point_flag = nil
     
199.     @my_textbox.set_value("0")
     
200.   end
     
201.    
     
202.   def back_button_click(event)
     
203.     if $operator != nil
     
204.       $op_y = $op_y.chop
     
205.       @my_textbox.set_value($op_y)
     
206.     else
     
207.       $op_x = $op_x.chop
     
208.       @my_textbox.set_value($op_x)
     
209.     end
     
210.   end
     
211.    
     
212.   def point_button_click(event)
     
213.     str = /\./
     
214.     if $operator != nil
     
215.       if ( ( $op_y =~ str ) == nil )
     
216.         $op_y << "."
     
217.         @my_textbox.set_value($op_y)
     
218.       end
     
219.     else
     
220.       if ( ($op_x =~ str) == nil )
     
221.         $op_x << "."
     
222.         @my_textbox.set_value($op_x)
     
223.       end
     
224.     end
     
225.   end
     
226.    
     
227.   def div_button_click(event)
     
228.     $operator = "/"
     
229.     $point_flag = nil
     
230.   end
     
231.    
     
232.   def mul_button_click(event)
     
233.     $operator = "X"
     
234.     $point_flag = nil
     
235.   end
     
236.    
     
237.   def subtract_button_click(event)
     
238.     $operator = "-"
     
239.     $point_flag = nil
     
240.   end
     
241.    
     
242.   def add_button_click(event)
     
243.     $operator = "+"
     
244.     $point_flag = nil
     
245.   end
     
246.    
     
247.   def result_button_click(event)
     
248.     case $operator
     
249.       when "+":
     
250.         $result = $op_x.to_f + $op_y.to_f
     
251.       when "-":
     
252.         $result = $op_x.to_f - $op_y.to_f
     
253.       when "X":
     
254.         $result = $op_x.to_f * $op_y.to_f
     
255.       when "/":
     
256.         $result = $op_x.to_f / $op_y.to_f
     
257.       else
     
258.         #�ϱ�������Ϣ����ݳ�ʼ��
     
259.         err_info = MessageDialog.new(nil,"error happen!", "error info")
     
260.         err_info.show_modal()
     
261.     end
     
262.      
     
263.     #��ʾ������
     
264.     @my_textbox.set_value("#{$result}")
     
265.      
     
266.     #�������������ֵ��op_x,op_y����
     
267.     $op_x = $result.to_s
     
268.     $op_y = ""
     
269.     $operator = nil
     
270.     $point_flag = nil
     
271.   end
     
272.    
     
273. end
     
274. 
     
275. class CacuApp < App
     
276.   def on_init
     
277.     CacuFrame.new
     
278.   end
     
279.    
     
280. end
     
281. 
     
282. CacuApp.new.main_loop()

复制代码

caculator.rb

1. begin
   
2.   require 'rubygems'
   
3. rescue LoadError
   
4. end
   
5. require 'wx'
   
6. include Wx
   
7. 
   
8. $op_x = ""
   
9. $op_y = ""
   
10. $result = 0
    
11. $operator = nil
    
12. $point_flag = nil
    
13. 
    
14. class CacuFrame < Frame
    
15.   #��ʼ������
    
16.    
    
17.   def initialize()
    
18.     super(nil, -1, 'Caculator', :size => [340,380], :style => MINIMIZE_BOX|SYSTEM_MENU|CAPTION|CLOSE_BOX|CLIP_CHILDREN)
    
19.      
    
20.     #�����������ؼ��������ť�¼�
    
21.     @my_panel = Panel.new(self)
    
22.     @my_textbox = TextCtrl.new(@my_panel, -1, '0', :size => [320,30])
    
23.     @button_num1 = Button.new(@my_panel, -1, '1',Point.new(80,220), Size.new(50,50))
    
24.     evt_button(@button_num1.get_id()) {|event| num1_button_click(event)}
    
25.     @button_num2 = Button.new(@my_panel, -1, '2',Point.new(140,220), Size.new(50,50))
    
26.     evt_button(@button_num2.get_id()) {|event| num2_button_click(event)}
    
27.     @button_num3 = Button.new(@my_panel, -1, '3',Point.new(200,220), Size.new(50,50))
    
28.     evt_button(@button_num3.get_id()) {|event| num3_button_click(event)}
    
29.     @button_num4 = Button.new(@my_panel, -1, '4',Point.new(80,160), Size.new(50,50))
    
30.     evt_button(@button_num4.get_id()) {|event| num4_button_click(event)}
    
31.     @button_num5 = Button.new(@my_panel, -1, '5',Point.new(140,160), Size.new(50,50))
    
32.     evt_button(@button_num5.get_id()) {|event| num5_button_click(event)}
    
33.     @button_num6 = Button.new(@my_panel, -1, '6',Point.new(200,160), Size.new(50,50))
    
34.     evt_button(@button_num6.get_id()) {|event| num6_button_click(event)}
    
35.     @button_num7 = Button.new(@my_panel, -1, '7',Point.new(80,100), Size.new(50,50))
    
36.     evt_button(@button_num7.get_id()) {|event| num7_button_click(event)}
    
37.     @button_num8 = Button.new(@my_panel, -1, '8',Point.new(140,100), Size.new(50,50))
    
38.     evt_button(@button_num8.get_id()) {|event| num8_button_click(event)}
    
39.     @button_num9 = Button.new(@my_panel, -1, '9',Point.new(200,100), Size.new(50,50))
    
40.     evt_button(@button_num9.get_id()) {|event| num9_button_click(event)}
    
41.     @button_num0 = Button.new(@my_panel, -1, '0',Point.new(80,280), Size.new(110,50))
    
42.     evt_button(@button_num0.get_id()) {|event| num0_button_click(event)}
    
43.     @button_clear = Button.new(@my_panel, -1, 'C',Point.new(20,40), Size.new(50,50))
    
44.     evt_button(@button_clear.get_id()) {|event| clear_button_click(event)}
    
45.     @button_back = Button.new(@my_panel, -1, '<--',Point.new(80,40), Size.new(50,50))
    
46.     evt_button(@button_back.get_id()) {|event| back_button_click(event)}
    
47.     @button_squ = Button.new(@my_panel, -1, '^0.5',Point.new(140,40), Size.new(50,50))
    
48.     evt_button(@button_squ.get_id()) {|event| squ_button_click(event)}
    
49.     @button_div = Button.new(@my_panel, -1, '/',Point.new(200,40), Size.new(50,50))
    
50.     evt_button(@button_div.get_id()) {|event| div_button_click(event)}
    
51.     @button_mul = Button.new(@my_panel, -1, 'X',Point.new(260,40), Size.new(50,50))
    
52.     evt_button(@button_mul.get_id()) {|event| mul_button_click(event)}
    
53.     @button_subtract = Button.new(@my_panel, -1, '-',Point.new(260,100), Size.new(50,50))
    
54.     evt_button(@button_subtract.get_id()) {|event| subtract_button_click(event)}
    
55.     @button_add = Button.new(@my_panel, -1, '+',Point.new(260,160), Size.new(50,50))
    
56.     evt_button(@button_add.get_id()) {|event| add_button_click(event)}
    
57.     @button_result = Button.new(@my_panel, -1, '=',Point.new(260,220), Size.new(50,110))
    
58.     evt_button(@button_result.get_id()) {|event| result_button_click(event)}
    
59.     @button_point = Button.new(@my_panel, -1, '.',Point.new(200,280), Size.new(50,50))
    
60.     evt_button(@button_point.get_id()) {|event| point_button_click(event)}
    
61.     @button_MC = Button.new(@my_panel, -1, 'MC',Point.new(20,100), Size.new(50,50))
    
62.     @button_MR = Button.new(@my_panel, -1, 'MR',Point.new(20,160), Size.new(50,50))
    
63.     @button_MS = Button.new(@my_panel, -1, 'MS',Point.new(20,220), Size.new(50,50))
    
64.     @button_Madd = Button.new(@my_panel, -1, 'M+',Point.new(20,280), Size.new(50,50))
    
65.      
    
66.     #���в���
    
67.     @my_panel_sizer = BoxSizer.new(VERTICAL)
    
68.     @my_panel.set_sizer(@my_panel_sizer)
    
69.     @my_panel.sizer.add(@my_textbox, 0, GROW|ALL, 2)
    
70.      
    
71.     show()   
    
72.      
    
73.   end
    
74.    
    
75.   def num1_button_click(event)
    
76.     if $operator != nil
    
77.       $op_y << "1"   
    
78.       @my_textbox.set_value($op_y)
    
79.     else
    
80.       $op_x << "1"
    
81.       @my_textbox.set_value($op_x)
    
82.     end
    
83.   end
    
84.    
    
85.   def num2_button_click(event)
    
86.     if $operator != nil
    
87.       $op_y << "2"
    
88.       @my_textbox.set_value($op_y)
    
89.     else
    
90.       $op_x << "2"
    
91.       @my_textbox.set_value($op_x)
    
92.     end
    
93.   end
    
94.    
    
95.   def num3_button_click(event)
    
96.     if $operator != nil
    
97.       $op_y << "3"
    
98.       @my_textbox.set_value($op_y)
    
99.     else
    
100.       $op_x << "3"
     
101.       @my_textbox.set_value($op_x)
     
102.     end
     
103.   end
     
104.    
     
105.   def num4_button_click(event)
     
106.     if $operator != nil
     
107.       $op_y << "4"
     
108.       @my_textbox.set_value($op_y)
     
109.     else
     
110.       $op_x << "4"
     
111.       @my_textbox.set_value($op_x)
     
112.     end
     
113.   end
     
114.    
     
115.   def num5_button_click(event)
     
116.     if $operator != nil
     
117.       $op_y << "5"
     
118.       @my_textbox.set_value($op_y)
     
119.     else
     
120.       $op_x << "5"
     
121.       @my_textbox.set_value($op_x)
     
122.     end
     
123.   end
     
124.    
     
125.   def num6_button_click(event)
     
126.     if $operator != nil
     
127.       $op_y << "6"
     
128.       @my_textbox.set_value($op_y)
     
129.     else
     
130.       $op_x << "6"
     
131.       @my_textbox.set_value($op_x)
     
132.     end
     
133.   end
     
134.    
     
135.   def num7_button_click(event)
     
136.     if $operator != nil
     
137.       $op_y << "7"
     
138.       @my_textbox.set_value($op_y)
     
139.     else
     
140.       $op_x << "7"
     
141.       @my_textbox.set_value($op_x)
     
142.     end
     
143.   end
     
144.    
     
145.   def num8_button_click(event)
     
146.     if $operator != nil
     
147.       $op_y << "8"
     
148.       @my_textbox.set_value($op_y)
     
149.     else
     
150.       $op_x << "8"
     
151.       @my_textbox.set_value($op_x)
     
152.     end
     
153.   end
     
154.    
     
155.   def num9_button_click(event)
     
156.     if $operator != nil
     
157.       $op_y << "9"
     
158.       @my_textbox.set_value($op_y)
     
159.     else
     
160.       $op_x << "9"
     
161.       @my_textbox.set_value($op_x)
     
162.     end
     
163.   end
     
164.    
     
165.   def num0_button_click(event)
     
166.     if $operator != nil
     
167.       $op_y << "0"
     
168.       @my_textbox.set_value($op_y)
     
169.     else
     
170.       $op_x << "0"
     
171.       @my_textbox.set_value($op_x)
     
172.     end
     
173.   end
     
174.    
     
175.   def squ_button_click(event)
     
176.     if $operator != nil
     
177.       if ($op_y.to_f >= 0)
     
178.         $op_y = Math.sqrt($op_y.to_f).to_s
     
179.       else
     
180.         $op_y = (-Math.sqrt($op_y.to_f.abs)).to_s
     
181.       end
     
182.       @my_textbox.set_value($op_y)
     
183.     else
     
184.       if ($op_x.to_f >= 0)
     
185.         $op_x = Math.sqrt($op_x.to_f).to_s
     
186.       else
     
187.         $op_x = (-Math.sqrt($op_x.to_f.abs)).to_s
     
188.       end
     
189.       @my_textbox.set_value($op_x)
     
190.     end
     
191.   end
     
192.      
     
193.   def clear_button_click(event)
     
194.     $op_x = ""
     
195.     $op_y = ""
     
196.     $result = 0
     
197.     $operator = nil
     
198.     $point_flag = nil
     
199.     @my_textbox.set_value("0")
     
200.   end
     
201.    
     
202.   def back_button_click(event)
     
203.     if $operator != nil
     
204.       $op_y = $op_y.chop
     
205.       @my_textbox.set_value($op_y)
     
206.     else
     
207.       $op_x = $op_x.chop
     
208.       @my_textbox.set_value($op_x)
     
209.     end
     
210.   end
     
211.    
     
212.   def point_button_click(event)
     
213.     str = /\./
     
214.     if $operator != nil
     
215.       if ( ( $op_y =~ str ) == nil )
     
216.         $op_y << "."
     
217.         @my_textbox.set_value($op_y)
     
218.       end
     
219.     else
     
220.       if ( ($op_x =~ str) == nil )
     
221.         $op_x << "."
     
222.         @my_textbox.set_value($op_x)
     
223.       end
     
224.     end
     
225.   end
     
226.    
     
227.   def div_button_click(event)
     
228.     $operator = "/"
     
229.     $point_flag = nil
     
230.   end
     
231.    
     
232.   def mul_button_click(event)
     
233.     $operator = "X"
     
234.     $point_flag = nil
     
235.   end
     
236.    
     
237.   def subtract_button_click(event)
     
238.     $operator = "-"
     
239.     $point_flag = nil
     
240.   end
     
241.    
     
242.   def add_button_click(event)
     
243.     $operator = "+"
     
244.     $point_flag = nil
     
245.   end
     
246.    
     
247.   def result_button_click(event)
     
248.     case $operator
     
249.       when "+":
     
250.         $result = $op_x.to_f + $op_y.to_f
     
251.       when "-":
     
252.         $result = $op_x.to_f - $op_y.to_f
     
253.       when "X":
     
254.         $result = $op_x.to_f * $op_y.to_f
     
255.       when "/":
     
256.         $result = $op_x.to_f / $op_y.to_f
     
257.       else
     
258.         #�ϱ�������Ϣ����ݳ�ʼ��
     
259.         err_info = MessageDialog.new(nil,"error happen!", "error info")
     
260.         err_info.show_modal()
     
261.     end
     
262.      
     
263.     #��ʾ������
     
264.     @my_textbox.set_value("#{$result}")
     
265.      
     
266.     #�������������ֵ��op_x,op_y����
     
267.     $op_x = $result.to_s
     
268.     $op_y = ""
     
269.     $operator = nil
     
270.     $point_flag = nil
     
271.   end
     
272.    
     
273. end
     
274. 
     
275. class CacuApp < App
     
276.   def on_init
     
277.     CacuFrame.new
     
278.   end
     
279.    
     
280. end
     
281. 
     
282. CacuApp.new.main_loop()

复制代码