suode.zip_calculator python_python 计算器_python计算器

#!/usr/bin/env python """caloulate person taxes""" from Tkinter import * import sys class tax(Frame): """caloulate personal tax""" def __init__(self,parent = None): Frame.__init__(self,parent) self.pack(side=TOP) self.entries = [] for var_value in field_list: row = Frame(self) row.pack(side=TOP,fill=X) Label(row,text=var_value,width=15,height=2).pack(side=LEFT) ent = Entry(row,bg = 'white') ent.pack(side=RIGHT,expand=YES,fill=X) ent.bind('<Return>',(lambda event:self.fetch_value())) self.entries.append(ent) self.init_btn() self.init_result() def fetch_value(self): """fetch valve and get result""" result = [] try: for entry in self.entries: result.append(entry.get()) res = self.get_result(result[0],result[1]) self.lab_result["text"] = 'Your Salary is %s .\n Your Tax is %s .\n Your Money is %s .\n' % (res[0],res[1],res[2]) self.lab_result["bg"] = 'lightyellow' self.lab_result["fg"] = 'red' except ValueError: self.lab_result["bg"] = 'red' self.lab_result["fg"] = 'black' self.lab_result["text"] = 'Error Occur,Please Test Again.' def get_result(self,salary,start): """caloulate tax""" over = float(salary) - float(start) tax = "" if over <= 500: tax = over*0.05 elif over > 500 and over <= 2000: tax = over*0.1 - 25 elif over > 2000 and over <= 5000: tax = over*0.15 - 125 elif over > 5000 and over <= 20000: tax = over*0.2 - 375 elif over > 20000 and over <= 40000: tax = over*0.25 - 1375 elif over > 40000 and over <= 60000: tax = over*0.3 - 3375 elif over > 60000 and over <= 80000: tax = over*0.35 - 6375 elif over > 80000 and over <= 100000: tax = over*0.4 - 10375 else: tax = over*0.45 - 15375 return [salary,tax,float(salary) - tax] def init_btn(self): """init control button""" btn_frame = Frame(self) btn_frame.pack(expand=YES,fill=X) btn_submit = Button(btn_frame,text='Submit',command=self.fetch_value) btn_submit.pack(side=LEFT,expand=YES,fill=X) Button(btn_frame,text="Reset",command=self.clear_data).pack(side=LEFT,expand=YES,fill=X) Button(btn_frame,text="Quit",command=sys.exit).pack(side=LEFT,expand=YES,fill=X) def init_result(self): """init result label""" self.lab_result = Label(self,fg='red',font = ('times',16,'bold')) self.lab_result.pack(expand=YES,fill=X) def clear_data(self): """clear old data""" for entry in self.entries: entry.delete(0,END) self.lab_result["text"] = '' self.lab_result["bg"] = '#eeeeee' field_list = ["Type Your Salary:","Local Tax Start:"] #start process root = Tk() root.title('Personal Income caloulate') root.geometry("350x200+250+50") per_tax = tax(root) root.mainloop()