Question

我是编码的新手，我正在尝试复制一个简单计算器的代码，当我尝试运行模块时，会给我一个重启错误，没有任何反应

代码是

from tkinter import*

def frame(root, side):
    w=Frame(root)
    w.pack(side=side, expand=YES, fill=BOTH)
    return w

def button(root,side,text, command=None):
    w=Button(root,text=text, command=command)
    w.pack(side=side, expand=YES,fill=BOTH)
    return w

class Calculator(Frame):
    def __init__ (self):
        Frame.__init__(self)
        self.pack(expand=YES, fill=BOTH)
        self.master.tittle('simple Calculator')
        self.master.iconname('calcl')

        display = StringVar()
        Entry(self, relief=SUNKEN,
              textvariable=display).pack(side=TOP, expand=YES, fill=BOTH)
        for key in ('123', '456', '789' '-0'):
            keyF= frame(self, TOP)
            for char in ket:
                button (keyF, LEFT, char, lambda w=display, s='%s '%char:w.set(w.get()+s))
            opsF= frame(self, TOP)
            for char in '+-/*=':
                if char=='=':
                    btn=button(opsF, LEFT, char)
                    btn.bind('<ButtonRelease-1>',lambda e, s=self, w=display: s.calc(w), '+')
                else:
                    btn=button (opsF, LEFT, char, lambda w=display, c=chair: w.set(w.get()+' '+c+' '))
            clearF = frame (self, BOTTOM)
            button(clearF, LEFT, 'CLr', lambda w=display: w.set(''))

    def calc(self, display):
        try:
             display.set('eval(display.get())')
        except ValueError:
                 display.set('ERROR')

if __name__ == 'main__':
    Calculator().mainloop()

错误：

= RESTART：C：\ Users \ sibiyass \ AppData \ Local \ Programs \ Python \ Python36 \ calc1.py =

Answer 1

这不是错误。

该行

= RESTART: C:\Users\sibiyass\AppData\Local\Programs\Python\Python36\calc1.py =

说python正在重新启动你的代码，它会在文件名calc1.py下显示代码的路径

它正在重新启动，因为您的代码没有产生任何输出。

并且您的程序没有产生任何输出，因为存在许多关键字错误。我建议您运行代码，将if __name__ == '__main__'替换为main()并将Calculator().mainloop()包含在main()的定义中。继续纠正代码。

具体而言，您的代码有以下错误：

1）在第33行，chair应为char

2）在第17行，tittle应该是'title'

3）在第25行，ket应为key

您修改后的代码应如下所示：

from tkinter import*

def frame(root, side):
    w=Frame(root)
    w.pack(side=side, expand=YES, fill=BOTH)
    return w

def button(root,side,text, command=None):
    w=Button(root,text=text, command=command)
    w.pack(side=side, expand=YES,fill=BOTH)
    return w

class Calculator(Frame):
    def __init__ (self):
        Frame.__init__(self)
        self.pack(expand=YES, fill=BOTH)
        self.master.title('simple Calculator')
        self.master.iconname('calcl')

        display = StringVar()
        Entry(self, relief=SUNKEN,
              textvariable=display).pack(side=TOP, expand=YES, fill=BOTH)
        for key in ('123', '456', '789' '-0'):
            keyF= frame(self, TOP)
            for char in key:
                button (keyF, LEFT, char, lambda w=display, s='%s '%char:w.set(w.get()+s))
            opsF= frame(self, TOP)
            for char in '+-/*=':
                if char=='=':
                    btn=button(opsF, LEFT, char)
                    btn.bind('<ButtonRelease-1>',lambda e, s=self, w=display: s.calc(w), '+')
                else:
                    btn=button (opsF, LEFT, char, lambda w=display, c=char: w.set(w.get()+' '+c+' '))
            clearF = frame (self, BOTTOM)
            button(clearF, LEFT, 'CLr', lambda w=display: w.set(''))

    def calc(self, display):
        try:
             display.set('eval(display.get())')
        except ValueError:
                 display.set('ERROR')

def main():
    Calculator().mainloop()

main()

尝试运行它。

没有输出重启错误

1 个答案: