在樹中插入一個SQL表格

我設法對一段代碼進行處理，這段代碼大部分都做了我想要的操作，除了原始代碼使用列表將數據插入樹中。我希望將要插入的數據從SQL表中調用並輸出到正確的列中。我的編碼迄今看起來是這樣的：在樹中插入一個SQL表格

import tkinter as tk 
import tkinter.font as tkFont 
import tkinter.ttk as ttk 
import sqlite3 
class MultiColumnListbox(object): 
    """use a ttk.TreeView as a multicolumn ListBox""" 

    def __init__(self): 
     self.tree = None 
     self._setup_widgets() 
     self._build_tree() 

    def _setup_widgets(self): 
     s = """\click on header to sort by that column 
     to change width of column drag boundary 
     """ 
     msg = ttk.Label(wraplength="4i", justify="left", anchor="n", 
      padding=(10, 2, 10, 6), text=s) 
     msg.pack(fill='x') 
     container = ttk.Frame() 
     container.pack(fill='both', expand=True) 
     # create a treeview with dual scrollbars 
     self.tree = ttk.Treeview(columns=getvariablesC, show="headings") 
     vsb = ttk.Scrollbar(orient="vertical", 
      command=self.tree.yview) 
     hsb = ttk.Scrollbar(orient="horizontal", 
      command=self.tree.xview) 
     self.tree.configure(yscrollcommand=vsb.set, 
      xscrollcommand=hsb.set) 
     self.tree.grid(column=0, row=0, sticky='nsew', in_=container) 
     vsb.grid(column=1, row=0, sticky='ns', in_=container) 
     hsb.grid(column=0, row=1, sticky='ew', in_=container) 
     container.grid_columnconfigure(0, weight=1) 
     container.grid_rowconfigure(0, weight=1) 

    def _build_tree(self): 
     for col in getvariablesC: 
      self.tree.heading(col, text=col.title(), 
       command=lambda c=col: sortby(self.tree, c, 0)) 
      # adjust the column's width to the header string 
      self.tree.column(col, 
       width=tkFont.Font().measure(col.title())) 
    def sqlcode(): 
     db = sqlite3.connect('File') 
     cursor = db.cursor() 
     sql1="Select * FROM ProductTable" 
     cursor.execute(sql1) 
     result = cursor.fetchall() 
     count = (len(result)) 
     for item in result: 
      self.tree.insert('', 'end', values=item) 
      # adjust column's width if necessary to fit each value 
      for ix, val in enumerate(item): 
       col_w = tkFont.Font().measure(val) 
       if self.tree.column(getvariablesC[ix],width=None)<col_w: 
        self.tree.column(getvariablesC[ix], width=col_w) 
     cursor.close() 

    sqlcode() 

    getvariablesC= ["CustomerID","Title","Name","Address1","Address2","Town","County","PostCode","STDCode","HomeNo","MobileNo","Email","Source","Month","Year"] 


if __name__ == '__main__': 
    root = tk.Tk() 
    root.title("Multicolumn Treeview/Listbox") 
    listbox = MultiColumnListbox() 
    root.mainloop()

我遇到的主要問題是self運行編碼時沒有被定義，但我不確定是什麼原因造成的錯誤：

NameError: global name 'self' is not defined

來源

2016-03-30 Coder101

貌似線級別的錯誤。在你的情況下，有MultiColumnListbox類和幾個獨立的方法。請在方法之前添加空格（製表符）以修復縮進。 –

看起來縮進不正確。現在應該，謝謝你指出。 – Coder101

您在函數定義中缺少self。你應該改變：

def sqlcode():

到

def sqlcode(self):

來源

2016-03-30 08:36:58 krishv

我已經做了調整，但現在出現錯誤'NameError：名稱'自己'未定義' – Coder101

你必須保持正確的'縮進'在你的課下。例如，'def __init __（self）：'的數字空格應該和'def sqlcode（self）：' – krishv

在樹中插入一個SQL表格

回答

相關問題