From d6452edfc2edf18136e184030dfc2d37952a4d6d Mon Sep 17 00:00:00 2001
From: p5l2vzqnb <1466536524@qq.com>
Date: Wed, 7 Jan 2026 20:11:04 +0800
Subject: [PATCH] =?UTF-8?q?=E9=A1=B9=E7=9B=AE=E4=BB=A3=E7=A0=81=E6=96=87?=
 =?UTF-8?q?=E4=BB=B6.py?=
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---
 项目代码文件.py | 368 +++++++++++++++++++++---------------------
 1 file changed, 181 insertions(+), 187 deletions(-)

diff --git a/项目代码文件.py b/项目代码文件.py
index d604e51..bd61e99 100644
--- a/项目代码文件.py
+++ b/项目代码文件.py
@@ -1,188 +1,182 @@
-"""
-个人财务管理系统
-作者：[你的名字]
-日期：2024年X月X日
-"""
-
-import json
-from datetime import datetime
-
-# 全局变量
-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
-
-
-def load_data():
-    """从文件加载数据"""
-    global records
-    try:
-        with open('finance_data.json', 'r', encoding='utf-8') as f:
-            records = json.load(f)
-        print("历史数据加载成功！")
-    except FileNotFoundError:
-        print("未找到历史数据，将创建新文件。")
-        records = []
-
-
-def save_data():
-    """保存数据到文件"""
-    with open('finance_data.json', 'w', encoding='utf-8') as f:
-        json.dump(records, f, ensure_ascii=False, indent=2)
-    print("数据已保存！")
-
-
-def add_record():
-    """添加收支记录"""
-    print("\n--- 添加收支记录 ---")
-
-    # 输入数据
-    amount = float(input("请输入金额（正数为收入，负数为支出）："))
-
-    print("可选类别：")
-    for i, cat in enumerate(categories, 1):
-        print(f"{i}. {cat}")
-
-    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"
-
-    note = input("请输入备注（可选）：")
-
-    # 创建记录字典
-    record = {
-        'id': len(records) + 1,
-        'date': datetime.now().strftime("%Y-%m-%d %H:%M"),
-        'amount': amount,
-        'category': category,
-        'note': note
-    }
-
-    records.append(record)
-    print(f"记录添加成功！ID：{record['id']}")
-
-
-def query_records():
-    """查询收支记录"""
-    print("\n--- 查询记录 ---")
-    print("1. 查看所有记录")
-    print("2. 按日期查询")
-    print("3. 按类别查询")
-
-    choice = input("请选择查询方式：")
-
-    if choice == '1':
-        display_records(records)
-    elif choice == '2':
-        date_str = input("请输入日期（YYYY-MM-DD）：")
-        filtered = [r for r in records if r['date'].startswith(date_str)]
-        display_records(filtered)
-    elif choice == '3':
-        print("可选类别：")
-        for i, cat in enumerate(categories, 1):
-            print(f"{i}. {cat}")
-        cat_choice = int(input("请选择类别编号："))
-        if 1 <= cat_choice <= len(categories):
-            filtered = [r for r in records if r['category'] == categories[cat_choice - 1]]
-            display_records(filtered)
-
-
-def display_records(record_list):
-    """显示记录列表"""
-    if not record_list:
-        print("没有找到相关记录。")
-        return
-
-    print(f"\n共找到 {len(record_list)} 条记录：")
-    print("-" * 60)
-    print(f"{'ID':<5}{'日期':<20}{'类别':<10}{'金额':<15}{'备注'}")
-    print("-" * 60)
-
-    total_income = 0
-    total_expense = 0
-
-    for record in record_list:
-        amount = record['amount']
-        if amount > 0:
-            total_income += amount
-        else:
-            total_expense += abs(amount)
-
-        print(f"{record['id']:<5}{record['date']:<20}"
-              f"{record['category']:<10}{amount:<15.2f}{record['note']}")
-
-    print("-" * 60)
-    print(f"总收入：{total_income:.2f} | 总支出：{total_expense:.2f} | 结余：{total_income - total_expense:.2f}")
-
-
-def statistics():
-    """统计报表功能"""
-    if not records:
-        print("暂无数据可统计。")
-        return
-
-    print("\n--- 财务统计报表 ---")
-
-    # 计算各类别支出
-    expense_by_category = {}
-    income_total = 0
-    expense_total = 0
-
-    for record in records:
-        amount = record['amount']
-        category = record['category']
-
-        if amount > 0:
-            income_total += amount
-        else:
-            expense_total += abs(amount)
-            if category not in expense_by_category:
-                expense_by_category[category] = 0
-            expense_by_category[category] += abs(amount)
-
-    # 显示统计结果
-    print(f"记录总数：{len(records)}")
-    print(f"总收入：{income_total:.2f}")
-    print(f"总支出：{expense_total:.2f}")
-    print(f"净结余：{income_total - expense_total:.2f}")
-
-    print("\n支出类别分布：")
-    if expense_by_category:
-        for category, amount in expense_by_category.items():
-            percentage = (amount / expense_total * 100) if expense_total > 0 else 0
-            print(f"  {category}: {amount:.2f} ({percentage:.1f}%)")
-
-
-def main_menu():
-    """主菜单"""
-    load_data()  # 启动时加载数据
-
-    while True:
-        print("\n" + "=" * 50)
-        print("          个人财务管理系统")
-        print("=" * 50)
-        print("1. 添加收支记录")
-        print("2. 查询记录")
-        print("3. 财务统计")
-        print("4. 保存数据")
-        print("5. 退出系统")
-
-        choice = input("\n请选择操作（1-5）：")
-
-        if choice == '1':
-            add_record()
-        elif choice == '2':
-            query_records()
-        elif choice == '3':
-            statistics()
-        elif choice == '4':
-            save_data()
-        elif choice == '5':
-            save_data()
-            print("感谢使用，再见！")
-            break
-        else:
-            print("输入无效，请重新选择。")
-
-
-# 程序入口
-if __name__ == "__main__":
+import json
+from datetime import datetime
+
+# 全局变量
+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
+
+
+def load_data():
+    """从文件加载数据"""
+    global records
+    try:
+        with open('finance_data.json', 'r', encoding='utf-8') as f:
+            records = json.load(f)
+        print("历史数据加载成功！")
+    except FileNotFoundError:
+        print("未找到历史数据，将创建新文件。")
+        records = []
+
+
+def save_data():
+    """保存数据到文件"""
+    with open('finance_data.json', 'w', encoding='utf-8') as f:
+        json.dump(records, f, ensure_ascii=False, indent=2)
+    print("数据已保存！")
+
+
+def add_record():
+    """添加收支记录"""
+    print("\n--- 添加收支记录 ---")
+
+    # 输入数据
+    amount = float(input("请输入金额（正数为收入，负数为支出）："))
+
+    print("可选类别：")
+    for i, cat in enumerate(categories, 1):
+        print(f"{i}. {cat}")
+
+    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"
+
+    note = input("请输入备注（可选）：")
+
+    # 创建记录字典
+    record = {
+        'id': len(records) + 1,
+        'date': datetime.now().strftime("%Y-%m-%d %H:%M"),
+        'amount': amount,
+        'category': category,
+        'note': note
+    }
+
+    records.append(record)
+    print(f"记录添加成功！ID：{record['id']}")
+
+
+def query_records():
+    """查询收支记录"""
+    print("\n--- 查询记录 ---")
+    print("1. 查看所有记录")
+    print("2. 按日期查询")
+    print("3. 按类别查询")
+
+    choice = input("请选择查询方式：")
+
+    if choice == '1':
+        display_records(records)
+    elif choice == '2':
+        date_str = input("请输入日期（YYYY-MM-DD）：")
+        filtered = [r for r in records if r['date'].startswith(date_str)]
+        display_records(filtered)
+    elif choice == '3':
+        print("可选类别：")
+        for i, cat in enumerate(categories, 1):
+            print(f"{i}. {cat}")
+        cat_choice = int(input("请选择类别编号："))
+        if 1 <= cat_choice <= len(categories):
+            filtered = [r for r in records if r['category'] == categories[cat_choice - 1]]
+            display_records(filtered)
+
+
+def display_records(record_list):
+    """显示记录列表"""
+    if not record_list:
+        print("没有找到相关记录。")
+        return
+
+    print(f"\n共找到 {len(record_list)} 条记录：")
+    print("-" * 60)
+    print(f"{'ID':<5}{'日期':<20}{'类别':<10}{'金额':<15}{'备注'}")
+    print("-" * 60)
+
+    total_income = 0
+    total_expense = 0
+
+    for record in record_list:
+        amount = record['amount']
+        if amount > 0:
+            total_income += amount
+        else:
+            total_expense += abs(amount)
+
+        print(f"{record['id']:<5}{record['date']:<20}"
+              f"{record['category']:<10}{amount:<15.2f}{record['note']}")
+
+    print("-" * 60)
+    print(f"总收入：{total_income:.2f} | 总支出：{total_expense:.2f} | 结余：{total_income - total_expense:.2f}")
+
+
+def statistics():
+    """统计报表功能"""
+    if not records:
+        print("暂无数据可统计。")
+        return
+
+    print("\n--- 财务统计报表 ---")
+
+    # 计算各类别支出
+    expense_by_category = {}
+    income_total = 0
+    expense_total = 0
+
+    for record in records:
+        amount = record['amount']
+        category = record['category']
+
+        if amount > 0:
+            income_total += amount
+        else:
+            expense_total += abs(amount)
+            if category not in expense_by_category:
+                expense_by_category[category] = 0
+            expense_by_category[category] += abs(amount)
+
+    # 显示统计结果
+    print(f"记录总数：{len(records)}")
+    print(f"总收入：{income_total:.2f}")
+    print(f"总支出：{expense_total:.2f}")
+    print(f"净结余：{income_total - expense_total:.2f}")
+
+    print("\n支出类别分布：")
+    if expense_by_category:
+        for category, amount in expense_by_category.items():
+            percentage = (amount / expense_total * 100) if expense_total > 0 else 0
+            print(f"  {category}: {amount:.2f} ({percentage:.1f}%)")
+
+
+def main_menu():
+    """主菜单"""
+    load_data()  # 启动时加载数据
+
+    while True:
+        print("\n" + "=" * 50)
+        print("          个人财务管理系统")
+        print("=" * 50)
+        print("1. 添加收支记录")
+        print("2. 查询记录")
+        print("3. 财务统计")
+        print("4. 保存数据")
+        print("5. 退出系统")
+
+        choice = input("\n请选择操作（1-5）：")
+
+        if choice == '1':
+            add_record()
+        elif choice == '2':
+            query_records()
+        elif choice == '3':
+            statistics()
+        elif choice == '4':
+            save_data()
+        elif choice == '5':
+            save_data()
+            print("感谢使用，再见！")
+            break
+        else:
+            print("输入无效，请重新选择。")
+
+
+# 程序入口
+if __name__ == "__main__":
     main_menu()
\ No newline at end of file