in <string>' requires string as left operand, not StringVar
我正在尝试使用self.search来确定.txt文件中哪些行将被复制，即：条目为"蓝色"，它将在文本中打印所有蓝色的行。每个按钮搜索不同的.txt文件。
Exception in Tkinter callback Traceback (most recent call last): File"C:\Users\gblmac\AppData\Local\Programs\Python\Python36-32\lib\tkinter__init__.py", line 1702, in call return self.func(*args) File"D:\Users\gblmac\Desktop\Python programs\Testing\GUI class and init.py", line 37, in searchvision if self.usertext in line: TypeError: 'in ' requires string as left operand, not StringVar
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | from tkinter import * class App: def __init__(self): self.master = Tk() self.master.title("PM and Vision Finder") self.master.configure(bg="orange") self.master.geometry("500x500") self.mybutton1 = Button(self.master, text="Vision Names", command=self.searchvision) self.mybutton1.grid(row=0, column=0) self.mybutton2 = Button(self.master, text="PM", command=self.searchpm) self.mybutton2.grid(row=1, column=0) self.usertext = StringVar() self.initialtext = StringVar() self.initialtext.set ("Type Here") self.myentry = Entry(self.master, textvariable=self.initialtext) self.myentry.grid(row=2, column=0) def searchvision(self): self.search = open(r"D:\Users\gblmac\Desktop\Python programs\Vision Names\Vision Names.txt") for line in self.search: if self.usertext in line: print (line) def searchpm(self): self.search = open(r"D:\Users\gblmac\Desktop\Python programs\PMs\PMs.txt") for line in self.search: if self.usertext in line: print (line) print (self.usertext.get()) self.master.mainloop() App() |
in requires string as left operand
为此
1 | if self.usertext in line: |
not StringVar
因为左边的变量是stringvar
1 | self.usertext = StringVar() |
你需要使用
1 | if self.usertext.get() in line: |