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PeriodCalc.pyw
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158 lines (119 loc) · 6.81 KB
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from tkinter import *
from tkinter import ttk
from floatvarwithdimension import FloatVarWithDimension
import math
class PeriodCalc:
unit_dic={'stiff':["N/m","kN/m"],
'mass':["kg","t"],
'period':['s'],
'frequency':['s^-1'],
'circle_frequency':['s^-1']}
def __init__(self):
self.tk = Tk()
self.tk.title("周期计算器")
self.stiff=FloatVarWithDimension(self.tk,dimension_text='N*m^-1')
self.mass=FloatVarWithDimension(self.tk,dimension_text='kg')
self.period=FloatVarWithDimension(self.tk,dimension_text='s')
self.frequency=FloatVarWithDimension(self.tk,dimension_text='s^-1')
self.circle_frequency=FloatVarWithDimension(self.tk,dimension_text='s^-1')
self.varlist=[self.stiff,self.mass,self.period,self.frequency,self.circle_frequency]
self.stiff_unit=StringVar(self.tk)
self.mass_unit = StringVar(self.tk)
Label(self.tk, text="刚度").grid(row=0, sticky=W) # 靠右
Label(self.tk, text="质量").grid(row=1, sticky=W) # 第二行，靠左
Label(self.tk, text="周期").grid(row=2, sticky=W) # 靠右
Label(self.tk, text="频率").grid(row=3, sticky=W) # 第二行，靠左
Label(self.tk, text="圆频率").grid(row=4,sticky=W) # 第二行，靠左
Entry(self.tk, textvariable=self.stiff).grid(row=0, column=1, sticky=W)
Entry(self.tk, textvariable=self.mass).grid(row=1, column=1, sticky=W)
Entry(self.tk, textvariable=self.period).grid(row=2, column=1, sticky=W)
Entry(self.tk, textvariable=self.frequency).grid(row=3, column=1, sticky=W)
Entry(self.tk, textvariable=self.circle_frequency).grid(row=4, column=1, sticky=W)
numberChosen = ttk.Combobox(self.tk, width=12, textvariable=self.stiff_unit, state='readonly')
numberChosen['values'] = self.unit_dic['stiff'] # 设置下拉列表的值
numberChosen.grid(row=0, column=2,sticky=W) # 设置其在界面中出现的位置 column代表列 row 代表行
numberChosen.current(0) # 设置下拉列表默认显示的值，0为 numberChosen['values'] 的下标值
numberChosen.bind("<<ComboboxSelected>>",self.stiff_unit_change)
numberChosen1 = ttk.Combobox(self.tk, width=12, textvariable=self.mass_unit, state='readonly')
numberChosen1['values'] = self.unit_dic['mass'] # 设置下拉列表的值
numberChosen1.grid(row=1, column=2, sticky=W) # 设置其在界面中出现的位置 column代表列 row 代表行
numberChosen1.current(0) # 设置下拉列表默认显示的值，0为 numberChosen['values'] 的下标值
numberChosen1.bind("<<ComboboxSelected>>", self.mass_unit_change)
numberChosen2 = ttk.Combobox(self.tk, width=12, state='readonly')
numberChosen2['values'] = self.unit_dic['period'] # 设置下拉列表的值
numberChosen2.grid(row=2, column=2, sticky=W) # 设置其在界面中出现的位置 column代表列 row 代表行
numberChosen2.current(0) # 设置下拉列表默认显示的值，0为 numberChosen['values'] 的下标值
numberChosen2 = ttk.Combobox(self.tk, width=12, state='readonly')
numberChosen2['values'] = self.unit_dic['frequency'] # 设置下拉列表的值
numberChosen2.grid(row=3, column=2, sticky=W) # 设置其在界面中出现的位置 column代表列 row 代表行
numberChosen2.current(0) # 设置下拉列表默认显示的值，0为 numberChosen['values'] 的下标值
numberChosen3 = ttk.Combobox(self.tk, width=12, state='readonly')
numberChosen3['values'] = self.unit_dic['circle_frequency'] # 设置下拉列表的值
numberChosen3.grid(row=4, column=2, sticky=W) # 设置其在界面中出现的位置 column代表列 row 代表行
numberChosen3.current(0) # 设置下拉列表默认显示的值，0为 numberChosen['values'] 的下标值
Button(self.tk, text="计算", command=self.calc).grid(row=5, column=1)
Button(self.tk, text="清除", command=self.clear).grid(row=5, column=0)
namelst=['刚度', '质量', '周期', '频率','圆频率']
self.tree = ttk.Treeview(self.tk, columns=namelst, show='headings')
for x in namelst:
self.tree.column(x, width=90, anchor='center')
self.tree.heading(x,text=x)
self.tree.grid(row=6, column=0,columnspan=3)
self.tk.mainloop()
def calc(self):
print("开始："+self.mass.value_and_dimension)
self.update_all_var()
print("结束：" + self.mass.value_and_dimension)
tmp=[x.value for x in self.varlist if x.value != 0]
assert len(tmp)==2
tmp=[self.frequency ,self.period,self.circle_frequency]
tmp=[x.value for x in tmp if x.value!=0]
assert len(tmp)==1 or len(tmp)==0
# 处理周期 频率 圆频率
if self.period.value!=0:
self.frequency.set(self.period**-1)
self.circle_frequency.set(self.frequency * 2 * math.pi)
elif self.frequency.value!=0:
self.period.set(self.frequency**-1)
self.circle_frequency.set(self.frequency * 2 * math.pi)
elif self.circle_frequency.value!=0:
self.frequency.set(self.circle_frequency/2/math.pi)
self.period.set(self.frequency ** -1)
if self.stiff==0:
self.stiff.set(self.mass*self.circle_frequency**2)
self.stiff.switch_dimension(self.stiff_unit.get())
elif self.mass==0:
tmp=self.stiff/self.circle_frequency**2
self.mass.set(tmp)
self.mass.switch_dimension(self.mass_unit.get())
elif self.frequency==0:
print(self.stiff.value_and_dimension)
print(self.mass.value_and_dimension)
self.circle_frequency.set((self.stiff/self.mass)**0.5)
self.circle_frequency.format(erase_dim='force') #单位格式化
self.frequency.set(self.circle_frequency / 2 / math.pi)
self.period.set(self.frequency ** -1)
else:
raise Exception("错误")
# 更新treeview
lst=[x.value for x in self.varlist]
self.tree.insert('', 'end', values=lst)
def clear(self):
for x in self.varlist:
x.set(0)
def stiff_unit_change(self,*args):
self.update_all_var()
if self.stiff_unit.get()=='N/m':
self.stiff.switch_dimension('N,m')
elif self.stiff_unit.get()=='kN/m':
self.stiff.switch_dimension('kN,m')
def mass_unit_change(self,*args):
self.update_all_var()
self.mass.switch_dimension(self.mass_unit.get())
print(self.mass.value_and_dimension)
def update_all_var(self):
"""更新所有的变量"""
for x in self.varlist:
x.get()
if __name__=="__main__":
PeriodCalc()