计算两点距离

一个账号

1. from tkinter import *
   
2. 
   
3. import math
   
4. 
   
5. def calc(event=None):
   
6.     try:
   
7.         x1 = float(et1.get().replace(" ", ""))
   
8.         y1 = float(et2.get().replace(" ", ""))
   
9.         x2 = float(et3.get().replace(" ", ""))
   
10.         y2 = float(et4.get().replace(" ", ""))
    
11.         result = math.sqrt(math.pow((y2-y1), 2) + math.pow((x2-x1), 2))
    
12.         var.set(result)
    
13.     except ValueError:
    
14.         pass
    
15. 
    
16. def delete(event=None):
    
17.     global et1, et2, et3, et4
    
18.     et1.delete(0, END)
    
19.     et2.delete(0, END)
    
20.     et3.delete(0, END)
    
21.     et4.delete(0, END)
    
22.     et1.focus()
    
23.     var.set(0)
    
24. 
    
25. root = Tk()
    
26. root.title("计算距离")
    
27. root.geometry("415x102")
    
28. root.resizable(0, 0)
    
29. root.bind("<KeyPress-Return>", calc)
    
30. root.bind("<Control-d>", delete)
    
31. 
    
32. var = IntVar()
    
33. 
    
34. # x1
    
35. Label(root, text="x1坐标：").grid(row=0, column=0)
    
36. 
    
37. et1 = Entry(root)
    
38. et1.grid(row=0, column=1)
    
39. et1.focus()
    
40. 
    
41. # y1
    
42. Label(root, text="y1坐标：").grid(row=0, column=2)
    
43. 
    
44. et2 = Entry(root)
    
45. et2.grid(row=0, column=3)
    
46. 
    
47. # x2
    
48. Label(root, text="x2坐标：").grid(row=1, column=0)
    
49. 
    
50. et3 = Entry(root)
    
51. et3.grid(row=1, column=1)
    
52. 
    
53. # y2
    
54. Label(root, text="y2坐标：").grid(row=1, column=2)
    
55. 
    
56. et4 = Entry(root)
    
57. et4.grid(row=1, column=3)
    
58. 
    
59. # result
    
60. Label(root, text="计算结果：").grid(row=2, column=0)
    
61. 
    
62. et5 = Entry(root, state="readonly", textvariable=var)
    
63. et5.grid(row=2, column=1)
    
64. 
    
65. 
    
66. # 计算
    
67. Button(root, text="计算", width=10, command=calc).grid(row=3, column=0, columnspan=2)
    
68. 
    
69. # 复制
    
70. Button(root, text="清空", width=10, command=delete).grid(row=3, column=2, columnspan=3)
    
71. 
    
72. mainloop()

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andy大宝

感谢分享！赞一个

一个账号

andy大宝 发表于 2020-2-19 17:50
感谢分享！赞一个

更新了

EDX

什么距离？

klongkey

负距离？

hzsxfxw

_荟桐_

过来瞅瞅