feat: 添加数据库工具tools/db.py,更新AGENTS.md
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AGENTS.md
26
AGENTS.md
@ -32,10 +32,13 @@ D:\charging-cabinet\
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│ ├── nginx/ # Nginx配置
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│ ├── *.service # systemd服务单元
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│ └── deploy-*.sh # 部署脚本
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├── tools/ # 开发工具
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│ └── db.py # 数据库工具
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├── software/
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│ ├── api-server/ # Rust API服务
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│ ├── device-server/ # Rust TCP设备服务
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│ └── web/ # React前端
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│ ├── h5/ # H5用户端(移动端)
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│ └── web/ # React前端(WEB管理端)
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├── hardware/ # 硬件资料(原理图/PCB等)
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└── test/ # 测试用例/报告
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```
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@ -98,6 +101,27 @@ Redis: 10.8.0.252:6379
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- systemd自启,`Restart=always` 自动恢复
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- 本地直连 `10.8.0.252`,无需SSH隧道
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### 数据库工具
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本地可直接访问数据库(通过ZeroTier),使用 `tools/db.py`:
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```bash
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# 列出所有表
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python tools/db.py tables
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# 统计各表数据量
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python tools/db.py count
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# 执行查询
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python tools/db.py query "SELECT * FROM users"
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# 执行写入
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python tools/db.py exec "UPDATE users SET status=1 WHERE id=1"
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# 导入SQL文件
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python tools/db.py import data.sql
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```
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### 证书
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- 阿里云免费SSL证书(acme.sh自动续期)
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125
tools/db.py
Normal file
125
tools/db.py
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@ -0,0 +1,125 @@
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#!/usr/bin/env python3
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"""
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PMS 数据库工具
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用法:
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python tools/db.py import <sql文件> # 导入SQL文件
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python tools/db.py query <SQL语句> # 执行查询
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python tools/db.py exec <SQL语句> # 执行写入
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python tools/db.py tables # 列出所有表
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python tools/db.py count # 统计各表数据量
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"""
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import sys
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import pymysql
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# 数据库配置
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DB_CONFIG = {
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'host': '10.8.0.252',
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'user': 'root',
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'password': 'Hbhyg731024@',
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'database': 'pms',
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'charset': 'utf8mb4',
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}
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def get_conn():
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return pymysql.connect(**DB_CONFIG)
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def import_sql(filepath):
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"""导入SQL文件"""
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with open(filepath, 'r', encoding='utf-8') as f:
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sql = f.read()
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conn = get_conn()
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cur = conn.cursor()
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# 按分号分割SQL语句
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statements = [s.strip() for s in sql.split(';') if s.strip()]
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success = 0
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fail = 0
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for stmt in statements:
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try:
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cur.execute(stmt)
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success += 1
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except Exception as e:
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print(f" ✗ 失败: {str(e)[:80]}")
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fail += 1
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conn.commit()
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conn.close()
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print(f"导入完成: 成功 {success}, 失败 {fail}")
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def query(sql):
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"""执行查询"""
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conn = get_conn()
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cur = conn.cursor()
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cur.execute(sql)
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columns = [desc[0] for desc in cur.description]
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rows = cur.fetchall()
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conn.close()
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if not rows:
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print("无数据")
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return
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# 打印表头
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print('\t'.join(columns))
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print('-' * 50)
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for row in rows:
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print('\t'.join(str(v) for v in row))
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def execute(sql):
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"""执行写入"""
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conn = get_conn()
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cur = conn.cursor()
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try:
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cur.execute(sql)
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conn.commit()
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print(f"执行成功, 影响行数: {cur.rowcount}")
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except Exception as e:
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print(f"执行失败: {e}")
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conn.rollback()
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finally:
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conn.close()
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def tables():
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"""列出所有表"""
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query("SHOW TABLES")
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def count():
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"""统计各表数据量"""
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conn = get_conn()
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cur = conn.cursor()
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cur.execute("SHOW TABLES")
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tables = [row[0] for row in cur.fetchall()]
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print("表名\t\t数据量")
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print("-" * 30)
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for t in tables:
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cur.execute(f"SELECT COUNT(*) FROM `{t}`")
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cnt = cur.fetchone()[0]
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print(f"{t}\t{cnt}")
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conn.close()
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def main():
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if len(sys.argv) < 2:
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print(__doc__)
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return
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cmd = sys.argv[1]
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if cmd == 'import' and len(sys.argv) >= 3:
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import_sql(sys.argv[2])
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elif cmd == 'query' and len(sys.argv) >= 3:
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query(' '.join(sys.argv[2:]))
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elif cmd == 'exec' and len(sys.argv) >= 3:
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execute(' '.join(sys.argv[2:]))
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elif cmd == 'tables':
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tables()
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elif cmd == 'count':
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count()
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else:
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print(__doc__)
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if __name__ == '__main__':
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main()
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