import pandas as pd
import numpy as np
from tkinter import *
from tkinter import ttk, filedialog, messagebox
import os
from tkinter.scrolledtext import ScrolledText
import threading
from queue import Queue
import logging
from datetime import datetime
 
# 配置日志
logging.basicConfig(
    filename='excel_cleaner.log',
    level=logging.INFO,
    format='%(asctime)s - %(levelname)s - %(message)s'
)
 
# 模擬 DataHandler, ColumnSelector, ParameterDialog 類
class DataHandler:
    def __init__(self):
        self.df = None
        self.operation_history = []
        self.redo_history = []
 
    def load_excel(self, file_path):
        self.df = pd.read_excel(file_path)
        return self.df
 
    def save_excel(self, file_path):
        self.df.to_excel(file_path, index=False)
 
    def get_statistics(self):
        return {
            'row_count': len(self.df),
            'column_count': len(self.df.columns)
        }
 
    def get_column_types(self):
        return self.df.dtypes
 
    def remove_spaces(self, columns):
        for col in columns:
            if self.df[col].dtype == object:
                self.df[col] = self.df[col].str.strip()
        return self.df
 
    def normalize_case(self, case_type, columns):
        for col in columns:
            if self.df[col].dtype == object:
                if case_type == 'lower':
                    self.df[col] = self.df[col].str.lower()
                elif case_type == 'upper':
                    self.df[col] = self.df[col].str.upper()
                elif case_type == 'title':
                    self.df[col] = self.df[col].str.title()
        return self.df
 
    def format_numbers(self, decimal_places, columns):
        for col in columns:
            if pd.api.types.is_numeric_dtype(self.df[col]):
                self.df[col] = self.df[col].round(decimal_places)
        return self.df
 
    def format_dates(self, date_format, columns):
        for col in columns:
            if pd.api.types.is_datetime64_any_dtype(self.df[col]):
                self.df[col] = self.df[col].dt.strftime(date_format)
        return self.df
 
    def remove_special_chars(self, pattern, columns):
        for col in columns:
            if self.df[col].dtype == object:
                self.df[col] = self.df[col].str.replace(pattern, '', regex=True)
        return self.df
 
    def fill_empty_values(self, method, value=None, columns=None):
        if columns is None:
            columns = self.df.columns
        for col in columns:
            if method == 'value':
                self.df[col].fillna(value, inplace=True)
            elif method == 'mean':
                self.df[col].fillna(self.df[col].mean(), inplace=True)
            elif method == 'median':
                self.df[col].fillna(self.df[col].median(), inplace=True)
            elif method == 'mode':
                self.df[col].fillna(self.df[col].mode()[0], inplace=True)
            elif method == 'ffill':
                self.df[col].fillna(method='ffill', inplace=True)
            elif method == 'bfill':
                self.df[col].fillna(method='bfill', inplace=True)
        return self.df
 
 
class ColumnSelector:
    def __init__(self, parent, columns, column_types, title, callback):
        self.callback = callback
        self.selected_columns = []
 
        self.window = Toplevel(parent)
        self.window.title(title)
 
        ttk.Label(self.window, text="選擇列：").pack(pady=10)
 
        self.listbox = Listbox(self.window, selectmode=MULTIPLE)
        for col in columns:
            self.listbox.insert(END, col)
        self.listbox.pack(fill=BOTH, expand=True, padx=10, pady=10)
 
        button_frame = ttk.Frame(self.window)
        button_frame.pack(fill=X, padx=10, pady=10)
 
        ttk.Button(button_frame, text="確定", command=self.on_confirm).pack(side=LEFT, padx=10)
        ttk.Button(button_frame, text="取消", command=self.window.destroy).pack(side=LEFT)
 
    def on_confirm(self):
        self.selected_columns = [self.listbox.get(i) for i in self.listbox.curselection()]
        self.callback(self.selected_columns)
        self.window.destroy()
 
 
class ParameterDialog:
    def __init__(self, parent, params, title, callback):
        self.callback = callback
        self.params = params
        self.values = {}
 
        self.window = Toplevel(parent)
        self.window.title(title)
 
        for param_name, param_info in params.items():
            ttk.Label(self.window, text=param_info['label']).pack(pady=5)
            if param_info['type'] == 'choice':
                var = StringVar()
                var.set(param_info['default'])
                ttk.Combobox(self.window, textvariable=var, values=param_info['choices']).pack(fill=X, padx=10)
                self.values[param_name] = var
            elif param_info['type'] == 'int':
                var = IntVar()
                var.set(param_info['default'])
                ttk.Spinbox(self.window, from_=param_info['min'], to=param_info['max'], textvariable=var).pack(fill=X, padx=10)
                self.values[param_name] = var
            elif param_info['type'] == 'str':
                var = StringVar()
                var.set(param_info['default'])
                ttk.Entry(self.window, textvariable=var).pack(fill=X, padx=10)
                self.values[param_name] = var
 
        button_frame = ttk.Frame(self.window)
        button_frame.pack(fill=X, padx=10, pady=10)
 
        ttk.Button(button_frame, text="確定", command=self.on_confirm).pack(side=LEFT, padx=10)
        ttk.Button(button_frame, text="取消", command=self.window.destroy).pack(side=LEFT)
 
    def on_confirm(self):
        result = {param_name: var.get() for param_name, var in self.values.items()}
        self.callback(result)
        self.window.destroy()
 
 
class ExcelCleaner:
    def __init__(self):
        self.window = Tk()
        self.window.title("Excel數(shù)據(jù)格式化批處理工具")
        self.window.geometry("1000x800")
        self.window.configure(bg='#f0f0f0')
 
        # 初始化數(shù)據(jù)處理器
        self.data_handler = DataHandler()
        self.processing_queue = Queue()
 
        # 設(shè)置樣式
        self.setup_styles()
 
        # 創(chuàng)建菜單欄
        self.create_menu()
 
        # 創(chuàng)建主框架
        main_frame = ttk.Frame(self.window)
        main_frame.pack(fill=BOTH, expand=True, padx=10, pady=5)
 
        # 左側(cè)工具面板
        left_panel = ttk.LabelFrame(main_frame, text="工具面板", padding=10)
        left_panel.pack(side=LEFT, fill=Y, padx=5, pady=5)
 
        # 文件操作區(qū)域
        self.create_file_frame(left_panel)
 
        # 清洗操作區(qū)域
        self.create_clean_frame(left_panel)
 
        # 右側(cè)主要內(nèi)容區(qū)域
        right_panel = ttk.Frame(main_frame)
        right_panel.pack(side=LEFT, fill=BOTH, expand=True, padx=5)
 
        # 預(yù)覽區(qū)域
        self.create_preview_frame(right_panel)
 
        # 狀態(tài)欄
        self.create_status_bar()
 
        # 進(jìn)度條
        self.create_progress_bar()
 
        # 綁定快捷鍵
        self.bind_shortcuts()
 
    def setup_styles(self):
        style = ttk.Style()
        style.theme_use('clam')
 
        # 配置按鈕樣式
        style.configure(
            "Tool.TButton",
            padding=5,
            font=('微軟雅黑', 10),
            background='#e1e1e1',
            foreground='#333333'
        )
 
        # 配置標(biāo)簽樣式
        style.configure(
            "Title.TLabel",
            font=('微軟雅黑', 12, 'bold'),
            background='#f0f0f0',
            foreground='#333333'
        )
 
        # 配置框架樣式
        style.configure(
            "Card.TLabelframe",
            background='#ffffff',
            padding=10
        )
 
        # 配置樹形視圖樣式
        style.configure(
            "Preview.Treeview",
            font=('微軟雅黑', 10),
            rowheight=25
        )
 
        # 配置進(jìn)度條樣式
        style.configure(
            "Progress.Horizontal.TProgressbar",
            troughcolor='#f0f0f0',
            background='#4CAF50',
            thickness=10
        )
 
    def create_progress_bar(self):
        self.progress_var = DoubleVar()
        self.progress_bar = ttk.Progressbar(
            self.window,
            style="Progress.Horizontal.TProgressbar",
            variable=self.progress_var,
            maximum=100
        )
        self.progress_bar.pack(fill=X, padx=5, pady=2)
 
    def bind_shortcuts(self):
        self.window.bind('<Control-o>', lambda e: self.select_file())
        self.window.bind('<Control-s>', lambda e: self.save_file())
        self.window.bind('<Control-z>', lambda e: self.undo())
        self.window.bind('<Control-y>', lambda e: self.redo())
        self.window.bind('<F1>', lambda e: self.show_help())
 
    def process_in_background(self, func, *args, **kwargs):
        """在后臺線程中處理耗時操作"""
        def wrapper():
            try:
                self.progress_var.set(0)
                self.status_var.set("正在處理...")
                self.window.update()
 
                # 執(zhí)行操作
                result = func(*args, **kwargs)
 
                # 更新UI
                self.window.after(0, self.update_ui_after_processing, result)
 
            except Exception as e:
                logging.error(f"處理錯誤: {str(e)}")
                self.window.after(0, self.show_error, str(e))
            finally:
                self.window.after(0, self.progress_var.set, 100)
                self.window.after(0, self.status_var.set, "處理完成")
 
        # 啟動后臺線程
        thread = threading.Thread(target=wrapper)
        thread.daemon = True
        thread.start()
 
    def update_ui_after_processing(self, result):
        """處理完成后更新UI"""
        if isinstance(result, tuple):
            self.data_handler.df = result[0]
            if len(result) > 1:
                removed_rows = result[1]
                self.status_var.set(f"已刪除 {removed_rows} 行數(shù)據(jù)")
        elif isinstance(result, pd.DataFrame):
            self.data_handler.df = result
 
        if result is not None:
            self.update_preview()
 
    def show_error(self, error_msg):
        """顯示錯誤消息"""
        messagebox.showerror("錯誤", f"處理過程中出現(xiàn)錯誤：{error_msg}")
        self.status_var.set("處理失敗")
 
    def select_file(self):
        file_path = filedialog.askopenfilename(
            filetypes=[("Excel files", "*.xlsx *.xls")]
        )
        if file_path:
            self.process_in_background(self.data_handler.load_excel, file_path)
 
    def save_file(self):
        if self.data_handler.df is not None:
            file_path = filedialog.asksaveasfilename(
                defaultextension=".xlsx",
                filetypes=[("Excel files", "*.xlsx")]
            )
            if file_path:
                self.process_in_background(self.data_handler.save_excel, file_path)
 
    def undo(self):
        """撤銷上一步操作"""
        if self.data_handler.operation_history:
            last_operation = self.data_handler.operation_history.pop()
            self.data_handler.df = last_operation['previous_state'].copy()
            self.update_preview()
            self.status_var.set("已撤銷上一步操作")
 
    def redo(self):
        """重做上一步操作"""
        if hasattr(self.data_handler, 'redo_history') and self.data_handler.redo_history:
            last_operation = self.data_handler.redo_history.pop()
            self.data_handler.df = last_operation['next_state'].copy()
            self.data_handler.operation_history.append(last_operation)
            self.update_preview()
            self.status_var.set("已重做上一步操作")
 
    def add_operation_to_history(self, operation_name, previous_state, next_state):
        """添加操作到歷史記錄"""
        self.data_handler.operation_history.append({
            'name': operation_name,
            'previous_state': previous_state.copy(),
            'next_state': next_state.copy()
        })
        # 清空重做歷史
        if hasattr(self.data_handler, 'redo_history'):
            self.data_handler.redo_history.clear()
 
    def remove_duplicates(self):
        if self.data_handler.df is not None:
            previous_state = self.data_handler.df.copy()
            self.data_handler.df = self.data_handler.df.drop_duplicates()
            removed_rows = len(previous_state) - len(self.data_handler.df)
            self.add_operation_to_history("刪除重復(fù)行", previous_state, self.data_handler.df.copy())
            self.update_preview()
            self.status_var.set(f"已刪除 {removed_rows} 行重復(fù)數(shù)據(jù)")
 
    def remove_empty_rows(self):
        if self.data_handler.df is not None:
            previous_state = self.data_handler.df.copy()
            self.data_handler.df = self.data_handler.df.dropna(how='all')
            removed_rows = len(previous_state) - len(self.data_handler.df)
            self.add_operation_to_history("刪除空行", previous_state, self.data_handler.df.copy())
            self.update_preview()
            self.status_var.set(f"已刪除 {removed_rows} 行空數(shù)據(jù)")
 
    def remove_spaces(self):
        if self.data_handler.df is not None:
            def on_columns_selected(columns):
                self.process_in_background(
                    self.data_handler.remove_spaces,
                    columns=columns
                )
 
            ColumnSelector(
                self.window,
                list(self.data_handler.df.columns),
                self.data_handler.get_column_types(),
                title="選擇要去除空格的列",
                callback=on_columns_selected
            )
 
    def normalize_case(self):
        if self.data_handler.df is not None:
            def on_params_set(params):
                def on_columns_selected(columns):
                    self.process_in_background(
                        self.data_handler.normalize_case,
                        case_type=params["case_type"],
                        columns=columns
                    )
 
                ColumnSelector(
                    self.window,
                    list(self.data_handler.df.columns),
                    self.data_handler.get_column_types(),
                    title="選擇要統(tǒng)一大小寫的列",
                    callback=on_columns_selected
                )
 
            params = {
                "case_type": {
                    "type": "choice",
                    "label": "大小寫格式",
                    "default": "lower",
                    "choices": ["lower", "upper", "title"]
                }
            }
 
            ParameterDialog(
                self.window,
                params,
                title="選擇大小寫格式",
                callback=on_params_set
            )
 
    def format_numbers(self):
        if self.data_handler.df is not None:
            def on_params_set(params):
                def on_columns_selected(columns):
                    self.process_in_background(
                        self.data_handler.format_numbers,
                        decimal_places=params["decimal_places"],
                        columns=columns
                    )
 
                ColumnSelector(
                    self.window,
                    list(self.data_handler.df.columns),
                    self.data_handler.get_column_types(),
                    title="選擇要格式化的數(shù)值列",
                    callback=on_columns_selected
                )
 
            params = {
                "decimal_places": {
                    "type": "int",
                    "label": "小數(shù)位數(shù)",
                    "default": 2,
                    "min": 0,
                    "max": 10
                }
            }
 
            ParameterDialog(
                self.window,
                params,
                title="設(shè)置數(shù)值格式",
                callback=on_params_set
            )
 
    def format_dates(self):
        if self.data_handler.df is not None:
            def on_params_set(params):
                def on_columns_selected(columns):
                    self.process_in_background(
                        self.data_handler.format_dates,
                        date_format=params["date_format"],
                        columns=columns
                    )
 
                ColumnSelector(
                    self.window,
                    list(self.data_handler.df.columns),
                    self.data_handler.get_column_types(),
                    title="選擇要格式化的日期列",
                    callback=on_columns_selected
                )
 
            params = {
                "date_format": {
                    "type": "choice",
                    "label": "日期格式",
                    "default": "%Y-%m-%d",
                    "choices": [
                        "%Y-%m-%d",
                        "%Y/%m/%d",
                        "%d-%m-%Y",
                        "%m/%d/%Y"
                    ]
                }
            }
 
            ParameterDialog(
                self.window,
                params,
                title="選擇日期格式",
                callback=on_params_set
            )
 
    def remove_special_chars(self):
        if self.data_handler.df is not None:
            def on_params_set(params):
                def on_columns_selected(columns):
                    self.process_in_background(
                        self.data_handler.remove_special_chars,
                        pattern=params["pattern"],
                        columns=columns
                    )
 
                ColumnSelector(
                    self.window,
                    list(self.data_handler.df.columns),
                    self.data_handler.get_column_types(),
                    title="選擇要處理的列",
                    callback=on_columns_selected
                )
 
            params = {
                "pattern": {
                    "type": "str",
                    "label": "正則表達(dá)式",
                    "default": r'[^\w\s]'
                }
            }
 
            ParameterDialog(
                self.window,
                params,
                title="設(shè)置正則表達(dá)式",
                callback=on_params_set
            )
 
    def fill_empty_values(self):
        if self.data_handler.df is not None:
            def on_params_set(params):
                def on_columns_selected(columns):
                    value = params.get("value")
                    if params["method"] == "value" and value:
                        try:
                            # 嘗試轉(zhuǎn)換為數(shù)值
                            value = float(value) if '.' in value else int(value)
                        except ValueError:
                            pass
 
                    self.process_in_background(
                        self.data_handler.fill_empty_values,
                        method=params["method"],
                        value=value,
                        columns=columns
                    )
 
                ColumnSelector(
                    self.window,
                    list(self.data_handler.df.columns),
                    self.data_handler.get_column_types(),
                    title="選擇要填充的列",
                    callback=on_columns_selected
                )
 
            params = {
                "method": {
                    "type": "choice",
                    "label": "填充方式",
                    "default": "mean",
                    "choices": ["mean", "median", "mode", "ffill", "bfill", "value"]
                },
                "value": {
                    "type": "str",
                    "label": "填充值",
                    "default": ""
                }
            }
 
            ParameterDialog(
                self.window,
                params,
                title="選擇填充方式",
                callback=on_params_set
            )
 
    def analyze_data(self):
        if self.data_handler.df is not None:
            analysis_window = Toplevel(self.window)
            analysis_window.title("數(shù)據(jù)分析")
            analysis_window.geometry("600x400")
 
            stats_text = ScrolledText(analysis_window, wrap=WORD, width=70, height=20)
            stats_text.pack(padx=10, pady=10, fill=BOTH, expand=True)
 
            stats = []
            stats.append("數(shù)據(jù)基本信息：")
            stats.append("-" * 50)
            stats.append(f"總行數(shù)：{len(self.data_handler.df)}")
            stats.append(f"總列數(shù)：{len(self.data_handler.df.columns)}")
            stats.append("\n數(shù)值列統(tǒng)計：")
            stats.append("-" * 50)
 
            numeric_stats = self.data_handler.df.describe()
            stats.append(str(numeric_stats))
 
            stats.append("\n空值統(tǒng)計：")
            stats.append("-" * 50)
            null_counts = self.data_handler.df.isnull().sum()
            stats.append(str(null_counts))
 
            stats_text.insert(END, "\n".join(stats))
            stats_text.configure(state='disabled')
 
    def visualize_data(self):
        if self.data_handler.df is not None:
            try:
                import matplotlib.pyplot as plt
                from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
 
                # 設(shè)置中文字體
                plt.rcParams['font.sans-serif'] = ['SimHei']  # 用來正常顯示中文標(biāo)簽
                plt.rcParams['axes.unicode_minus'] = False  # 用來正常顯示負(fù)號
 
                viz_window = Toplevel(self.window)
                viz_window.title("數(shù)據(jù)可視化")
                viz_window.geometry("800x600")
 
                options_frame = ttk.Frame(viz_window)
                options_frame.pack(fill=X, padx=10, pady=5)
 
                ttk.Label(options_frame, text="圖表類型：").pack(side=LEFT)
                chart_type = StringVar(value="bar")
                ttk.Radiobutton(options_frame, text="柱狀圖", variable=chart_type, value="bar").pack(side=LEFT)
                ttk.Radiobutton(options_frame, text="折線圖", variable=chart_type, value="line").pack(side=LEFT)
                ttk.Radiobutton(options_frame, text="散點(diǎn)圖", variable=chart_type, value="scatter").pack(side=LEFT)
 
                # 添加列選擇
                ttk.Label(options_frame, text="  選擇列：").pack(side=LEFT)
                column_var = StringVar()
                numeric_columns = list(self.data_handler.df.select_dtypes(include=[np.number]).columns)
                if not numeric_columns:
                    messagebox.showwarning("警告", "沒有可用的數(shù)值列進(jìn)行可視化")
                    return
                column_combo = ttk.Combobox(options_frame, textvariable=column_var, values=numeric_columns)
                column_combo.pack(side=LEFT)
                column_combo.set(numeric_columns[0])
 
                fig, ax = plt.subplots(figsize=(10, 6))
                canvas = FigureCanvasTkAgg(fig, master=viz_window)
                canvas.get_tk_widget().pack(fill=BOTH, expand=True, padx=10, pady=5)
 
                def update_chart():
                    try:
                        ax.clear()
                        chart_style = chart_type.get()
                        selected_column = column_var.get()
 
                        if not selected_column:
                            messagebox.showwarning("警告", "請選擇要可視化的列")
                            return
 
                        if chart_style == "bar":
                            self.data_handler.df[selected_column].plot(kind='bar', ax=ax)
                            ax.set_title(f"{selected_column} 柱狀圖")
                        elif chart_style == "line":
                            self.data_handler.df[selected_column].plot(kind='line', ax=ax)
                            ax.set_title(f"{selected_column} 折線圖")
                        else:  # scatter
                            if len(numeric_columns) >= 2:
                                x_col = selected_column
                                y_col = next(col for col in numeric_columns if col != x_col)
                                self.data_handler.df.plot(kind='scatter', x=x_col, y=y_col, ax=ax)
                                ax.set_title(f"{x_col} vs {y_col} 散點(diǎn)圖")
                            else:
                                messagebox.showwarning("警告", "需要至少兩個數(shù)值列才能創(chuàng)建散點(diǎn)圖")
                                return
 
                        plt.tight_layout()
                        canvas.draw()
                    except Exception as e:
                        messagebox.showerror("錯誤", f"繪圖時發(fā)生錯誤：{str(e)}")
 
                ttk.Button(options_frame, text="更新圖表", command=update_chart).pack(side=LEFT, padx=10)
                update_chart()
 
            except ImportError:
                messagebox.showwarning("警告", "請安裝matplotlib庫以使用可視化功能")
 
    def run(self):
        self.window.mainloop()
 
    def create_menu(self):
        menubar = Menu(self.window)
        self.window.config(menu=menubar)
 
        # 文件菜單
        file_menu = Menu(menubar, tearoff=0)
        menubar.add_cascade(label="文件", menu=file_menu)
        file_menu.add_command(label="打開 (Ctrl+O)", command=self.select_file)
        file_menu.add_command(label="保存 (Ctrl+S)", command=self.save_file)
        file_menu.add_separator()
        file_menu.add_command(label="退出", command=self.window.quit)
 
        # 編輯菜單
        edit_menu = Menu(menubar, tearoff=0)
        menubar.add_cascade(label="編輯", menu=edit_menu)
        edit_menu.add_command(label="撤銷 (Ctrl+Z)", command=self.undo)
        edit_menu.add_command(label="重做 (Ctrl+Y)", command=self.redo)
 
        # 視圖菜單
        view_menu = Menu(menubar, tearoff=0)
        menubar.add_cascade(label="視圖", menu=view_menu)
        view_menu.add_checkbutton(label="顯示狀態(tài)欄", command=self.toggle_status_bar)
 
        # 幫助菜單
        help_menu = Menu(menubar, tearoff=0)
        menubar.add_cascade(label="幫助", menu=help_menu)
        help_menu.add_command(label="使用說明 (F1)", command=self.show_help)
        help_menu.add_command(label="關(guān)于", command=self.show_about)
 
    def create_file_frame(self, parent):
        file_frame = ttk.LabelFrame(parent, text="文件操作", padding=10, style="Card.TLabelframe")
        file_frame.pack(fill=X, pady=(0, 10))
 
        # 文件選擇
        self.file_path = StringVar()
        ttk.Label(file_frame, text="Excel文件：", style="Title.TLabel").pack(anchor=W)
        ttk.Entry(file_frame, textvariable=self.file_path, width=30).pack(fill=X, pady=5)
 
        button_frame = ttk.Frame(file_frame)
        button_frame.pack(fill=X)
 
        ttk.Button(button_frame, text="瀏覽", command=self.select_file, style="Tool.TButton").pack(side=LEFT, padx=2)
        ttk.Button(button_frame, text="保存", command=self.save_file, style="Tool.TButton").pack(side=LEFT, padx=2)
 
    def create_clean_frame(self, parent):
        clean_frame = ttk.LabelFrame(parent, text="數(shù)據(jù)清洗", padding=10, style="Card.TLabelframe")
        clean_frame.pack(fill=BOTH, expand=True)
 
        operations = [
            ("刪除重復(fù)行", self.remove_duplicates),
            ("刪除空行", self.remove_empty_rows),
            ("去除空格", self.remove_spaces),
            ("統(tǒng)一大小寫", self.normalize_case),
            ("數(shù)值格式化", self.format_numbers),
            ("日期格式化", self.format_dates),
            ("刪除特殊字符", self.remove_special_chars),
            ("填充空值", self.fill_empty_values),
            ("數(shù)據(jù)分析", self.analyze_data),
            ("數(shù)據(jù)可視化", self.visualize_data)
        ]
 
        for text, command in operations:
            btn = ttk.Button(clean_frame, text=text, command=command, style="Tool.TButton")
            btn.pack(fill=X, pady=2)
 
    def create_preview_frame(self, parent):
        preview_frame = ttk.LabelFrame(parent, text="數(shù)據(jù)預(yù)覽", padding=10, style="Card.TLabelframe")
        preview_frame.pack(fill=BOTH, expand=True)
 
        # 創(chuàng)建帶滾動條的樹形視圖
        tree_frame = ttk.Frame(preview_frame)
        tree_frame.pack(fill=BOTH, expand=True)
 
        # 創(chuàng)建水平滾動條
        h_scrollbar = ttk.Scrollbar(tree_frame, orient=HORIZONTAL)
        h_scrollbar.pack(side=BOTTOM, fill=X)
 
        # 創(chuàng)建垂直滾動條
        v_scrollbar = ttk.Scrollbar(tree_frame)
        v_scrollbar.pack(side=RIGHT, fill=Y)
 
        # 創(chuàng)建樹形視圖
        self.tree = ttk.Treeview(
            tree_frame,
            style="Preview.Treeview",
            xscrollcommand=h_scrollbar.set,
            yscrollcommand=v_scrollbar.set
        )
        self.tree.pack(fill=BOTH, expand=True)
 
        # 配置滾動條
        h_scrollbar.config(command=self.tree.xview)
        v_scrollbar.config(command=self.tree.yview)
 
        # 創(chuàng)建統(tǒng)計信息面板
        stats_frame = ttk.Frame(preview_frame)
        stats_frame.pack(fill=X, pady=(10, 0))
 
        self.stats_label = ttk.Label(stats_frame, text="", style="Title.TLabel")
        self.stats_label.pack(side=LEFT)
 
    def create_status_bar(self):
        self.status_var = StringVar()
        self.status_bar = ttk.Label(
            self.window,
            textvariable=self.status_var,
            relief=SUNKEN,
            padding=(5, 2)
        )
        self.status_bar.pack(fill=X, padx=5, pady=2)
 
    def toggle_status_bar(self):
        # 切換狀態(tài)欄顯示/隱藏
        if self.status_bar.winfo_viewable():
            self.status_bar.pack_forget()
        else:
            self.status_bar.pack(fill=X, padx=5, pady=2)
 
    def update_preview(self):
        # 清空現(xiàn)有數(shù)據(jù)
        for item in self.tree.get_children():
            self.tree.delete(item)
 
        if self.data_handler.df is not None:
            df = self.data_handler.df
            # 設(shè)置列
            self.tree["columns"] = list(df.columns)
            self.tree["show"] = "headings"
 
            for column in df.columns:
                self.tree.heading(column, text=column)
                self.tree.column(column, width=100, anchor='center')
 
            # 添加數(shù)據(jù)（僅顯示前100行）
            for i, row in df.head(100).iterrows():
                self.tree.insert("", END, values=list(row))
 
            # 更新統(tǒng)計標(biāo)簽
            stats = self.data_handler.get_statistics()
            self.stats_label.config(
                text=f"行數(shù): {stats['row_count']} | 列數(shù): {stats['column_count']}"
            )
 
            # 更新狀態(tài)欄
            self.status_var.set(
                f"當(dāng)前加載文件: {os.path.basename(self.file_path.get())} | "
                f"行數(shù): {stats['row_count']} | 列數(shù): {stats['column_count']}"
            )
        else:
            self.status_var.set("請先加載文件")
 
    def show_help(self):
        help_text = """
Excel數(shù)據(jù)格式化批處理工具使用說明：
 
1. 文件操作：
   - 點(diǎn)擊"瀏覽"選擇Excel文件
   - 點(diǎn)擊"保存"保存處理后的文件
 
2. 數(shù)據(jù)清洗功能：
   - 刪除重復(fù)行：刪除完全重復(fù)的數(shù)據(jù)行
   - 刪除空行：刪除全為空值的行
   - 去除空格：刪除文本中的首尾空格
   - 統(tǒng)一大小寫：統(tǒng)一文本的大小寫格式
   - 數(shù)值格式化：統(tǒng)一數(shù)值的小數(shù)位數(shù)
   - 日期格式化：統(tǒng)一日期的顯示格式
   - 刪除特殊字符：清除文本中的特殊字符
   - 填充空值：使用多種方式填充缺失值
 
3. 數(shù)據(jù)分析：
   - 查看基本統(tǒng)計信息
   - 空值分析
   - 數(shù)據(jù)分布可視化
 
4. 快捷鍵：
   - Ctrl+O：打開文件
   - Ctrl+S：保存文件
   - Ctrl+Z：撤銷
   - Ctrl+Y：重做
   - F1：顯示幫助
        """
 
        help_window = Toplevel(self.window)
        help_window.title("使用說明")
        help_window.geometry("600x400")
 
        help_text_widget = ScrolledText(help_window, wrap=WORD, width=70, height=20)
        help_text_widget.pack(padx=10, pady=10, fill=BOTH, expand=True)
        help_text_widget.insert(END, help_text)
        help_text_widget.configure(state='disabled')
 
    def show_about(self):
        about_text = """
Excel數(shù)據(jù)格式化批處理工具
 
功能特點(diǎn)：
- 支持多種數(shù)據(jù)清洗操作
- 實時預(yù)覽數(shù)據(jù)變化
- 數(shù)據(jù)分析和可視化
- 后臺處理，避免卡頓
- 撤銷/重做功能
- 友好的圖形界面
 

        """
 
        messagebox.showinfo("關(guān)于", about_text)
 
if __name__ == "__main__":
    try:
        app = ExcelCleaner()
        app.run()
    except Exception as e:
        logging.error(f"程序運(yùn)行錯誤: {str(e)}")
        messagebox.showerror("錯誤", f"程序運(yùn)行出錯：{str(e)}")
         
# 優(yōu)化的代碼，運(yùn)行即出現(xiàn)GUI界面