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MOD43 校验位计算器 - 专业版技术文档
1. 产品概述
MOD43 校验位计算器是一款专业级校验位计算工具，基于 MOD43 算法标准，为数据完整性验证提供精确、高效的解决方案。该工具采用现代化 GUI 设计，支持自定义长度字符串的校验位计算，广泛适用于物流、制造、金融等对数据准确性要求严苛的行业场景。
2. 核心功能
2.1 MOD43 校验位计算引擎
该工具不仅满足了日常校验位计算的需求，也为系统集成和自动化处理提供了可靠的技术支持，是数据验证领域的专业选择。
[Python] 纯文本查看 复制代码 import tkinter as tk
from tkinter import ttk, scrolledtext, messagebox
from datetime import datetime
import os
import configparser
# 尝试导入openpyxl库
try:
from openpyxl import Workbook
except ImportError:
print("缺少openpyxl库，请安装：pip install openpyxl")
# 定义 mod43_check_digit 函数
def mod43_check_digit(input_str):
# 定义字符映射表
scale_string = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%"
# 初始化求和值
total = 0
# 遍历输入字符串每个字符
for char in input_str:
if char not in scale_string:
raise ValueError(f"字符 {char} 不在映射表中")
# 累加字符对应的索引
total += scale_string.index(char)
# 计算余数
remainder = total % 43
# 返回校验位
return scale_string[remainder]
class MOD43_GUI:
def __init__(self, root):
self.root = root
self.root.title("MOD43 校验位计算器")
# 设置窗口大小
window_width = 800
window_height = 780
# 计算屏幕居中位置
screen_width = root.winfo_screenwidth()
screen_height = root.winfo_screenheight()
x = (screen_width - window_width) // 2
y = (screen_height - window_height) // 2
# 设置窗口位置和大小
self.root.geometry(f"{window_width}x{window_height}+{x}+{y}")
# 设置图标
self._set_window_icon()
# 初始化配置文件路径
self.config_file = os.path.join(os.getcwd(), "config.ini")
# 读取配置
self.string_length = self._load_config()
# 初始化 GUI
self._init_gui()
def _set_window_icon(self):
"""设置窗口图标"""
# 尝试设置图标
import sys
# 确定图标路径
if getattr(sys, 'frozen', False):
# 打包后的环境
icon_path = os.path.join(sys._MEIPASS, "app_ico.ico")
else:
# 开发环境
icon_path = os.path.join(os.getcwd(), "app_ico.ico")
if os.path.exists(icon_path):
try:
self.root.iconbitmap(icon_path)
except Exception as e:
# 图标设置失败，静默处理
pass
def _load_config(self):
"""从配置文件加载配置"""
config = configparser.ConfigParser()
if os.path.exists(self.config_file):
config.read(self.config_file)
if "Settings" in config and "string_length" in config["Settings"]:
try:
return int(config["Settings"]["string_length"])
except (ValueError, TypeError):
pass
# 默认值
return 14
def _save_config(self, length):
"""保存配置到配置文件"""
config = configparser.ConfigParser()
config["Settings"] = {"string_length": str(length)}
with open(self.config_file, "w") as f:
config.write(f)
def _init_gui(self):
"""初始化 TTK 界面组件"""
# 1. 顶部标题
title_frame = ttk.Frame(self.root)
title_frame.pack(fill=tk.X, padx=10, pady=10)
ttk.Label(title_frame, text="MOD43 校验位计算器", font=("Arial", 16, "bold")).pack(anchor=tk.CENTER)
# 2. 输入区域
input_frame = ttk.Frame(self.root)
input_frame.pack(fill=tk.X, padx=10, pady=5)
ttk.Label(input_frame, text="输入字符串：").pack(side=tk.LEFT, padx=5)
self.input_var = tk.StringVar(value="209 4YJ008Y8BK")
self.input_entry = ttk.Entry(input_frame, textvariable=self.input_var, width=50)
self.input_entry.pack(side=tk.LEFT, padx=5)
# 添加点击事件，清空默认值
def on_entry_click(event):
if self.input_var.get() == "209 4YJ008Y8BK":
self.input_var.set("")
self.input_entry.bind('<Button-1>', on_entry_click)
ttk.Button(input_frame, text="计算", command=self.calculate).pack(side=tk.LEFT, padx=5)
ttk.Button(input_frame, text="导出Excel", command=self.export_to_excel).pack(side=tk.LEFT, padx=5)
ttk.Button(input_frame, text="配置", command=self.show_config).pack(side=tk.LEFT, padx=5)
# 3. 结果显示区域
result_frame = ttk.Frame(self.root)
result_frame.pack(fill=tk.X, padx=10, pady=5)
ttk.Label(result_frame, text="计算结果：").pack(side=tk.LEFT, padx=5)
self.result_var = tk.StringVar()
ttk.Entry(result_frame, textvariable=self.result_var, width=10, state="readonly").pack(side=tk.LEFT, padx=5)
# 显示对应的MOD32数值
ttk.Label(result_frame, text="对应数值：").pack(side=tk.LEFT, padx=5)
self.result_value_var = tk.StringVar()
ttk.Entry(result_frame, textvariable=self.result_value_var, width=10, state="readonly").pack(side=tk.LEFT, padx=5)
# 4. MOD43 字符映射表
mapping_frame = ttk.LabelFrame(self.root, text="MOD43 字符映射表")
mapping_frame.pack(fill=tk.X, padx=10, pady=5)
# 定义字符映射表
scale_string = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%"
# 创建一个框架来容纳字符映射表
table_frame = ttk.Frame(mapping_frame)
table_frame.pack(fill=tk.BOTH, expand=True, padx=5, pady=5)
# 保存所有标签的引用，以便后续高亮
self.map_labels = []
# 创建表头
for i in range(5):
ttk.Label(table_frame, text="数值", font=('Arial', 10, 'bold'), borderwidth=1, relief=tk.RIDGE).grid(row=0, column=i*2, sticky='nsew', padx=1, pady=1)
ttk.Label(table_frame, text="字符", font=('Arial', 10, 'bold'), borderwidth=1, relief=tk.RIDGE).grid(row=0, column=i*2+1, sticky='nsew', padx=1, pady=1)
# 填充数据
for row_idx in range(9): # 9行
row_labels = []
for col_idx in range(5): # 5列
idx = row_idx + col_idx * 9
if idx < len(scale_string):
# 创建数值标签
num_label = ttk.Label(table_frame, text=str(idx), borderwidth=1, relief=tk.RIDGE)
num_label.grid(row=row_idx+1, column=col_idx*2, sticky='nsew', padx=1, pady=1)
# 创建字符标签
char = scale_string[idx]
if char == ' ':
char = '(空格)'
char_label = ttk.Label(table_frame, text=char, borderwidth=1, relief=tk.RIDGE)
char_label.grid(row=row_idx+1, column=col_idx*2+1, sticky='nsew', padx=1, pady=1)
row_labels.append((num_label, char_label, idx))
else:
# 空值
num_label = ttk.Label(table_frame, text='-', borderwidth=1, relief=tk.RIDGE)
num_label.grid(row=row_idx+1, column=col_idx*2, sticky='nsew', padx=1, pady=1)
char_label = ttk.Label(table_frame, text='-', borderwidth=1, relief=tk.RIDGE)
char_label.grid(row=row_idx+1, column=col_idx*2+1, sticky='nsew', padx=1, pady=1)
row_labels.append((num_label, char_label, -1))
self.map_labels.append(row_labels)
# 调整列宽
for i in range(10):
table_frame.grid_columnconfigure(i, weight=1, minsize=50)
# 调整行高
for i in range(10):
table_frame.grid_rowconfigure(i, weight=1, minsize=25)
# 5. 计算公式
self.formula_frame = ttk.LabelFrame(self.root, text="计算公式")
self.formula_frame.pack(fill=tk.BOTH, expand=True, padx=10, pady=5)
self.formula_text = scrolledtext.ScrolledText(self.formula_frame, wrap=tk.WORD, font=("Consolas", 10), height=15)
self.formula_text.pack(fill=tk.BOTH, expand=True)
self.formula_text.config(state=tk.NORMAL)
# 写入计算公式
self.formula_text.insert(tk.END, "MOD43 校验位计算步骤：\n")
self.formula_text.insert(tk.END, "1. 定义字符映射表：0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%\n")
self.formula_text.insert(tk.END, "2. 遍历输入字符串的每个字符，获取其在映射表中的索引\n")
self.formula_text.insert(tk.END, "3. 累加所有字符的索引值\n")
self.formula_text.insert(tk.END, "4. 将累加和除以 43，取余数\n")
self.formula_text.insert(tk.END, "5. 余数对应的映射表字符即为校验位\n\n")
self.formula_text.insert(tk.END, "公式：校验位 = scale_string[sum(scale_string.index(char) for char in input_str) % 43]\n")
self.formula_text.config(state=tk.DISABLED)
def calculate(self):
"""计算 MOD43 校验位"""
input_str = self.input_var.get().strip()
if not input_str:
self.center_messagebox("错误", "请输入字符串", 'error')
return
# 强制校验配置的字符串长度
if len(input_str) != self.string_length:
self.center_messagebox("错误", f"请输入{self.string_length}位字符串", 'error')
return
try:
# 计算校验位并显示详细过程
scale_string = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%"
total = 0
calculation_steps = []
# 计算每个字符的索引和总和
for i, char in enumerate(input_str):
if char not in scale_string:
raise ValueError(f"字符 {char} 不在映射表中")
char_index = scale_string.index(char)
total += char_index
calculation_steps.append(f"第{i+1}位 '{char}' → {char_index}")
# 计算余数
remainder = total % 43
check_digit = scale_string[remainder]
# 保存计算过程变量为实例变量，用于导出Excel
self.calculation_steps = calculation_steps
self.total = total
self.remainder = remainder
# 显示结果
self.result_var.set(check_digit)
# 显示对应的MOD32数值
self.result_value_var.set(str(remainder))
# 保存计算结果的余数，用于高亮显示
self.result_remainder = remainder
# 更新计算公式区域，显示详细计算过程
self.formula_text.config(state=tk.NORMAL)
self.formula_text.delete(1.0, tk.END)
# 写入计算公式和详细过程
self.formula_text.insert(tk.END, "MOD43 校验位计算步骤：\n")
self.formula_text.insert(tk.END, "1. 定义字符映射表：0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%\n")
self.formula_text.insert(tk.END, "2. 遍历输入字符串的每个字符，获取其在映射表中的索引\n")
for step in calculation_steps:
self.formula_text.insert(tk.END, f" {step}\n")
self.formula_text.insert(tk.END, f"3. 累加所有字符的索引值：{total}\n")
self.formula_text.insert(tk.END, f"4. 将累加和除以 43，取余数：{total} ÷ 43 = {total // 43} 余 {remainder}\n")
self.formula_text.insert(tk.END, f"5. 余数对应的映射表字符即为校验位：{remainder} → '{check_digit}'\n\n")
self.formula_text.insert(tk.END, f"公式：校验位 = scale_string[{total} % 43] = scale_string[{remainder}] = '{check_digit}'\n")
self.formula_text.config(state=tk.DISABLED)
# 高亮显示字符映射表中对应的结果
self.highlight_result_in_tree()
except ValueError as e:
self.center_messagebox("错误", str(e), 'error')
def show_config(self):
"""显示配置弹窗，允许用户输入字符串长度"""
# 创建配置窗口
config_window = tk.Toplevel(self.root)
config_window.title("配置")
config_window.transient(self.root) # 设置为主窗口的临时窗口
config_window.grab_set() # 模态窗口
# 设置窗口大小
window_width = 300
window_height = 150
# 计算居中位置
screen_width = config_window.winfo_screenwidth()
screen_height = config_window.winfo_screenheight()
x = (screen_width - window_width) // 2
y = (screen_height - window_height) // 2
# 设置窗口位置
config_window.geometry(f"{window_width}x{window_height}+{x}+{y}")
# 创建框架
frame = ttk.Frame(config_window, padding=20)
frame.pack(fill=tk.BOTH, expand=True)
# 添加标签和输入框
ttk.Label(frame, text="字符串长度：").grid(row=0, column=0, padx=10, pady=10, sticky=tk.E)
# 创建字符串变量，用于存储输入的长度
length_var = tk.StringVar(value=str(self.string_length))
length_entry = ttk.Entry(frame, textvariable=length_var, width=10)
length_entry.grid(row=0, column=1, padx=10, pady=10, sticky=tk.W)
# 添加点击事件，清空默认值
def on_entry_click(event):
if length_var.get() == str(self.string_length):
length_var.set("")
length_entry.bind('<Button-1>', on_entry_click)
# 聚焦到输入框
length_entry.focus()
# 确定按钮回调
def on_ok():
try:
# 尝试将输入转换为整数
new_length = int(length_var.get())
if new_length > 0:
# 更新字符串长度配置
self.string_length = new_length
# 保存配置到文件
self._save_config(new_length)
config_window.destroy()
else:
# 显示错误消息
self.center_messagebox("错误", "字符串长度必须大于0", 'error')
except ValueError:
# 显示错误消息
self.center_messagebox("错误", "请输入有效的整数", 'error')
# 取消按钮回调
def on_cancel():
config_window.destroy()
# 添加按钮
button_frame = ttk.Frame(frame)
button_frame.grid(row=1, column=0, columnspan=2, pady=20)
ttk.Button(button_frame, text="确定", command=on_ok, width=10).pack(side=tk.LEFT, padx=10)
ttk.Button(button_frame, text="取消", command=on_cancel, width=10).pack(side=tk.LEFT, padx=10)
def highlight_result_in_tree(self):
"""在字符映射表中高亮显示计算结果对应的数值和字符"""
if hasattr(self, 'result_remainder'):
if hasattr(self, 'map_labels'):
# 取消之前的高亮
for row in self.map_labels:
for num_label, char_label, idx in row:
# 恢复默认背景色
num_label.config(background='')
char_label.config(background='')
# 查找并高亮显示结果对应的数值和字符
for row in self.map_labels:
for num_label, char_label, idx in row:
if idx == self.result_remainder:
# 设置绿色背景
num_label.config(background='#00FF00')
char_label.config(background='#00FF00')
break
def center_messagebox(self, title, message, icon='info', filepath=None):
"""创建居中显示的消息框"""
# 创建一个自定义消息框窗口
msg_window = tk.Toplevel(self.root)
msg_window.title(title)
msg_window.transient(self.root) # 设置为主窗口的临时窗口
msg_window.grab_set() # 模态窗口
# 设置窗口大小
window_width = 500
# 计算消息需要的高度
lines = message.count('\n') + 1
window_height = max(150, min(400, 50 + lines * 20))
# 计算居中位置
screen_width = msg_window.winfo_screenwidth()
screen_height = msg_window.winfo_screenheight()
x = (screen_width - window_width) // 2
y = (screen_height - window_height) // 2
# 设置窗口位置
msg_window.geometry(f"{window_width}x{window_height}+{x}+{y}")
# 添加消息文本
message_label = tk.Label(msg_window, text=message, wraplength=window_width-40, justify=tk.LEFT, font=('Arial', 10))
# 添加确定按钮
def on_ok():
msg_window.destroy()
# 导入os模块用于打开文件
import os
# 添加打开文件按钮
def on_open_file():
if filepath:
try:
os.startfile(filepath)
except Exception as e:
print(f"打开文件失败: {e}")
msg_window.destroy()
# 使用网格布局
msg_window.grid_columnconfigure(0, weight=1)
msg_window.grid_rowconfigure(0, weight=1)
msg_window.grid_rowconfigure(1, weight=0)
message_label.grid(row=0, column=0, padx=20, pady=20, sticky='nsew')
# 如果提供了文件路径，显示两个按钮
if filepath:
button_frame = tk.Frame(msg_window)
button_frame.grid(row=1, column=0, padx=20, pady=10, sticky='se')
open_button = tk.Button(button_frame, text="打开Excel", command=on_open_file, width=10)
open_button.pack(side=tk.LEFT, padx=5)
ok_button = tk.Button(button_frame, text="确定", command=on_ok, width=10)
ok_button.pack(side=tk.LEFT, padx=5)
else:
# 否则只显示确定按钮
ok_button = tk.Button(msg_window, text="确定", command=on_ok, width=10)
ok_button.grid(row=1, column=0, padx=20, pady=10, sticky='se')
# 等待用户点击
msg_window.wait_window(msg_window)
def export_to_excel(self):
"""将计算结果导出到Excel文件"""
input_str = self.input_var.get().strip()
check_digit = self.result_var.get()
if not input_str or check_digit in ["请输入字符串", "错误：请输入14位字符串", "错误：字符不在映射表中"]:
self.center_messagebox("错误", "请先计算校验位", 'error')
return
try:
# 检查是否安装了openpyxl
from openpyxl import Workbook
# 创建Excel工作簿
wb = Workbook()
# 创建第一个sheet：MOD32字符集
ws1 = wb.active
ws1.title = "MOD32字符集"
# 写入MOD43字符映射表
ws1['A1'] = "MOD43字符映射表"
# 设置映射表表头
headers = ['数值', '字符', '数值', '字符', '数值', '字符', '数值', '字符', '数值', '字符']
for i, header in enumerate(headers, 1):
ws1.cell(row=2, column=i, value=header)
# 填充映射表数据，按照用户提供的样式
scale_string = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%"
col_headers = [0, 9, 18, 27, 36]
# 获取计算结果对应的数值
result_value = None
if hasattr(self, 'remainder'):
result_value = self.remainder
# 导入样式模块
from openpyxl.styles import PatternFill
# 定义绿色背景
green_fill = PatternFill(start_color='00FF00', end_color='00FF00', fill_type='solid')
for row_idx in range(8): # 8行
for col_idx in range(5): # 5列组
idx = row_idx + col_idx * 9
if idx < len(scale_string):
# 数值
num_cell = ws1.cell(row=row_idx+3, column=col_idx*2+1, value=idx)
# 字符
char = scale_string[idx]
char_cell = ws1.cell(row=row_idx+3, column=col_idx*2+2, value=char if char != ' ' else '(空格)')
# 如果是计算结果对应的数值和字符，设置绿色背景
if result_value is not None and idx == result_value:
num_cell.fill = green_fill
char_cell.fill = green_fill
else:
# 空值
ws1.cell(row=row_idx+3, column=col_idx*2+1, value='-')
ws1.cell(row=row_idx+3, column=col_idx*2+2, value='-')
# 调整列宽
ws1.column_dimensions['A'].width = 10
ws1.column_dimensions['B'].width = 10
ws1.column_dimensions['C'].width = 10
ws1.column_dimensions['D'].width = 10
ws1.column_dimensions['E'].width = 10
ws1.column_dimensions['F'].width = 10
ws1.column_dimensions['G'].width = 10
ws1.column_dimensions['H'].width = 10
ws1.column_dimensions['I'].width = 10
ws1.column_dimensions['J'].width = 10
# 创建第二个sheet：计算结果
ws2 = wb.create_sheet(title="计算结果")
# 写入基本信息
ws2['A1'] = "基本信息"
ws2['A2'] = "输入字符串"
ws2['B2'] = input_str
ws2['A3'] = "校验位"
ws2['B3'] = check_digit
ws2['A4'] = "计算时间"
ws2['B4'] = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
# 写入计算公式部分
ws2['A6'] = "计算公式"
ws2['A7'] = "MOD43 校验位计算步骤："
# 步骤1：定义字符映射表
ws2['A8'] = "1. 定义字符映射表：0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%"
# 步骤2：遍历输入字符串的每个字符
ws2['A9'] = "2. 遍历输入字符串的每个字符，获取其在映射表中的索引"
if hasattr(self, 'calculation_steps'):
row = 10
for step in self.calculation_steps:
ws2['A' + str(row)] = step
row += 1
# 步骤3：累加所有字符的索引值
if hasattr(self, 'total'):
ws2['A' + str(row)] = f"3. 累加所有字符的索引值：{self.total}"
row += 1
# 步骤4：将累加和除以43，取余数
if hasattr(self, 'total') and hasattr(self, 'remainder'):
ws2['A' + str(row)] = f"4. 将累加和除以 43，取余数：{self.total} ÷ 43 = {self.total // 43} 余 {self.remainder}"
row += 1
# 步骤5：余数对应的映射表字符即为校验位
if hasattr(self, 'remainder'):
ws2['A' + str(row)] = f"5. 余数对应的映射表字符即为校验位：{self.remainder} → '{check_digit}'"
row += 1
# 公式
if hasattr(self, 'total') and hasattr(self, 'remainder'):
ws2['A' + str(row)] = f"公式：校验位 = scale_string[{self.total} % 43] = scale_string[{self.remainder}] = '{check_digit}'"
# 调整列宽
ws2.column_dimensions['A'].width = 50
ws2.column_dimensions['B'].width = 30
# 保存文件
filename = f"MOD43_Result_{datetime.now().strftime('%Y%m%d%H%M%S')}.xlsx"
filepath = os.path.join(os.getcwd(), filename)
wb.save(filepath)
self.center_messagebox("成功", f"导出成功，文件保存到：{filepath}", 'info', filepath)
except ImportError:
self.center_messagebox("错误", "缺少openpyxl库，请安装：pip install openpyxl", 'error')
except Exception as e:
self.center_messagebox("错误", f"导出失败：{str(e)}", 'error')
if __name__ == "__main__":
root = tk.Tk()
app = MOD43_GUI(root)
root.mainloop()
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发表于 2026-3-16 11:05
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