本文主要是介绍中间代码生成-四元式，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
代码：
import tkinter as tkroot = tk.Tk()
root.geometry("800x600+50+50")
root.title("中间代码生成")label2 = tk.Label(root, text = "请输入赋值语句：")
label2.place(x=10,y=10)label3 = tk.Label(root, text = "四元式序列：")
label3.place(x=400,y=10)text1 = tk.Text(root,width=35,height=15,bg="#e8e8e8",font="Consolas")
text1.place(x=10,y=50)text2 = tk.Text(root,width=35,height=15,bg="#e8e8e8",font="Consolas")
text2.place(x=400,y=50)def result():text2.delete(1.0,"end")string = text1.get(1.0,"end")list = []i=0t=1while i < len(string):var = string[i:i+5]var1 = 't'+str(t)+var[1:]var2 = var[0:2]+'t'+str(t)+'+-'list.append(var1)list.append(var2)t=t+1i=i+6 i = 0tuple = ()while i < len(list) :if i%2 == 0:tuple = (list[i][4],list[i][3],list[i][5],list[i][0:2])else:tuple = (list[i][1],list[i][2:4],list[i][5],list[i][0])text2.insert("insert",str(tuple)+"\n")i = i+1button1 = tk.Button(root, text = "生成",bg="#e8e8e8",width=5,height=1,padx=5,command=result)
button1.place(x=140,y=10)root.mainloop()图片：
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