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p5l2vzqnb 4 months ago
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test.py
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""" """
个人财务管理系统 个人财务管理系统
作者：[你的名字] 作者：[你的名字]
日期：2024年X月X日 日期：2026年1月7日
""" """
import json import json
from datetime import datetime from datetime import datetime
# 全局变量 # 全局变量
records = [] # 存储所有收支记录 records = [] # 存储所有收支记录
categories = ['餐饮', '交通', '购物', '娱乐', '工资', '奖金', '其他'] # 收支类别 categories = ['餐饮', '交通', '购物', '娱乐', '工资', '奖金', '其他'] # 收支类别
def load_data(): def load_data():
"""从文件加载数据""" """从文件加载数据"""
global records global records
try: try:
with open('finance_data.json', 'r', encoding='utf-8') as f: with open('finance_data.json', 'r', encoding='utf-8') as f:
records = json.load(f) records = json.load(f)
print("历史数据加载成功！") print("历史数据加载成功！")
except FileNotFoundError: except FileNotFoundError:
print("未找到历史数据，将创建新文件。") print("未找到历史数据，将创建新文件。")
records = [] records = []
def save_data(): def save_data():
"""保存数据到文件""" """保存数据到文件"""
with open('finance_data.json', 'w', encoding='utf-8') as f: with open('finance_data.json', 'w', encoding='utf-8') as f:
json.dump(records, f, ensure_ascii=False, indent=2) json.dump(records, f, ensure_ascii=False, indent=2)
print("数据已保存！") print("数据已保存！")
def add_record(): def add_record():
"""添加收支记录""" """添加收支记录"""
print("\n--- 添加收支记录 ---") print("\n--- 添加收支记录 ---")
# 输入数据 # 输入数据
amount = float(input("请输入金额（正数为收入，负数为支出）：")) amount = float(input("请输入金额（正数为收入，负数为支出）："))
print("可选类别：") print("可选类别：")
for i, cat in enumerate(categories, 1): for i, cat in enumerate(categories, 1):
print(f"{i}. {cat}") print(f"{i}. {cat}")
cat_choice = int(input("请选择类别编号：")) cat_choice = int(input("请选择类别编号："))
category = categories[cat_choice - 1] if 1 <= cat_choice <= len(categories) else "其他" category = categories[cat_choice - 1] if 1 <= cat_choice <= len(categories) else "其他"
note = input("请输入备注（可选）：") note = input("请输入备注（可选）：")
# 创建记录字典 # 创建记录字典
record = { record = {
'id': len(records) + 1, 'id': len(records) + 1,
'date': datetime.now().strftime("%Y-%m-%d %H:%M"), 'date': datetime.now().strftime("%Y-%m-%d %H:%M"),
'amount': amount, 'amount': amount,
'category': category, 'category': category,
'note': note 'note': note
} }
records.append(record) records.append(record)
print(f"记录添加成功！ID：{record['id']}") print(f"记录添加成功！ID：{record['id']}")
def query_records(): def query_records():
"""查询收支记录""" """查询收支记录"""
print("\n--- 查询记录 ---") print("\n--- 查询记录 ---")
print("1. 查看所有记录") print("1. 查看所有记录")
print("2. 按日期查询") print("2. 按日期查询")
print("3. 按类别查询") print("3. 按类别查询")
choice = input("请选择查询方式：") choice = input("请选择查询方式：")
if choice == '1': if choice == '1':
display_records(records) display_records(records)
elif choice == '2': elif choice == '2':
date_str = input("请输入日期（YYYY-MM-DD）：") date_str = input("请输入日期（YYYY-MM-DD）：")
filtered = [r for r in records if r['date'].startswith(date_str)] filtered = [r for r in records if r['date'].startswith(date_str)]
display_records(filtered) display_records(filtered)
elif choice == '3': elif choice == '3':
print("可选类别：") print("可选类别：")
for i, cat in enumerate(categories, 1): for i, cat in enumerate(categories, 1):
print(f"{i}. {cat}") print(f"{i}. {cat}")
cat_choice = int(input("请选择类别编号：")) cat_choice = int(input("请选择类别编号："))
if 1 <= cat_choice <= len(categories): if 1 <= cat_choice <= len(categories):
filtered = [r for r in records if r['category'] == categories[cat_choice - 1]] filtered = [r for r in records if r['category'] == categories[cat_choice - 1]]
display_records(filtered) display_records(filtered)
def display_records(record_list): def display_records(record_list):
"""显示记录列表""" """显示记录列表"""
if not record_list: if not record_list:
print("没有找到相关记录。") print("没有找到相关记录。")
return return
print(f"\n共找到 {len(record_list)} 条记录：") print(f"\n共找到 {len(record_list)} 条记录：")
print("-" * 60) print("-" * 60)
print(f"{'ID':<5}{'日期':<20}{'类别':<10}{'金额':<15}{'备注'}") print(f"{'ID':<5}{'日期':<20}{'类别':<10}{'金额':<15}{'备注'}")
print("-" * 60) print("-" * 60)
total_income = 0 total_income = 0
total_expense = 0 total_expense = 0
for record in record_list: for record in record_list:
amount = record['amount'] amount = record['amount']
if amount > 0: if amount > 0:
total_income += amount total_income += amount
else: else:
total_expense += abs(amount) total_expense += abs(amount)
print(f"{record['id']:<5}{record['date']:<20}" print(f"{record['id']:<5}{record['date']:<20}"
f"{record['category']:<10}{amount:<15.2f}{record['note']}") f"{record['category']:<10}{amount:<15.2f}{record['note']}")
print("-" * 60) print("-" * 60)
print(f"总收入：{total_income:.2f} | 总支出：{total_expense:.2f} | 结余：{total_income - total_expense:.2f}") print(f"总收入：{total_income:.2f} | 总支出：{total_expense:.2f} | 结余：{total_income - total_expense:.2f}")
def statistics(): def statistics():
"""统计报表功能""" """统计报表功能"""
if not records: if not records:
print("暂无数据可统计。") print("暂无数据可统计。")
return return
print("\n--- 财务统计报表 ---") print("\n--- 财务统计报表 ---")
# 计算各类别支出 # 计算各类别支出
expense_by_category = {} expense_by_category = {}
income_total = 0 income_total = 0
expense_total = 0 expense_total = 0
for record in records: for record in records:
amount = record['amount'] amount = record['amount']
category = record['category'] category = record['category']
if amount > 0: if amount > 0:
income_total += amount income_total += amount
else: else:
expense_total += abs(amount) expense_total += abs(amount)
if category not in expense_by_category: if category not in expense_by_category:
expense_by_category[category] = 0 expense_by_category[category] = 0
expense_by_category[category] += abs(amount) expense_by_category[category] += abs(amount)
# 显示统计结果 # 显示统计结果
print(f"记录总数：{len(records)}") print(f"记录总数：{len(records)}")
print(f"总收入：{income_total:.2f}") print(f"总收入：{income_total:.2f}")
print(f"总支出：{expense_total:.2f}") print(f"总支出：{expense_total:.2f}")
print(f"净结余：{income_total - expense_total:.2f}") print(f"净结余：{income_total - expense_total:.2f}")
print("\n支出类别分布：") print("\n支出类别分布：")
if expense_by_category: if expense_by_category:
for category, amount in expense_by_category.items(): for category, amount in expense_by_category.items():
percentage = (amount / expense_total * 100) if expense_total > 0 else 0 percentage = (amount / expense_total * 100) if expense_total > 0 else 0
print(f" {category}: {amount:.2f} ({percentage:.1f}%)") print(f" {category}: {amount:.2f} ({percentage:.1f}%)")
def main_menu(): def main_menu():
"""主菜单""" """主菜单"""
load_data() # 启动时加载数据 load_data() # 启动时加载数据
while True: while True:
print("\n" + "=" * 50) print("\n" + "=" * 50)
print(" 个人财务管理系统") print(" 个人财务管理系统")
print("=" * 50) print("=" * 50)
print("1. 添加收支记录") print("1. 添加收支记录")
print("2. 查询记录") print("2. 查询记录")
print("3. 财务统计") print("3. 财务统计")
print("4. 保存数据") print("4. 保存数据")
print("5. 退出系统") print("5. 退出系统")
choice = input("\n请选择操作（1-5）：") choice = input("\n请选择操作（1-5）：")
if choice == '1': if choice == '1':
add_record() add_record()
elif choice == '2': elif choice == '2':
query_records() query_records()
elif choice == '3': elif choice == '3':
statistics() statistics()
elif choice == '4': elif choice == '4':
save_data() save_data()
elif choice == '5': elif choice == '5':
save_data() save_data()
print("感谢使用，再见！") print("感谢使用，再见！")
break break
else: else:
print("输入无效，请重新选择。") print("输入无效，请重新选择。")
# 程序入口 # 程序入口
if __name__ == "__main__": if __name__ == "__main__":
main_menu() main_menu()
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