改成前后端分离

mvcar/backend/app.py

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+from flask import Flask, jsonify, request
+from flask_cors import CORS
+import sqlite3
+import os
+
+# 获取当前文件所在目录
+basedir = os.path.abspath(os.path.dirname(__file__))
+db_path = os.path.join(basedir, '..', 'data', 'cars.db')
+
+app = Flask(__name__)
+CORS(app)
+
+def get_db_connection():
+    conn = sqlite3.connect(db_path)
+    conn.row_factory = sqlite3.Row
+    return conn
+
+@app.route('/api/cars', methods=['GET'])
+def get_all_cars():
+    conn = get_db_connection()
+    cars = conn.execute('SELECT * FROM cars').fetchall()
+    conn.close()
+    
+    cars_list = [dict(car) for car in cars]
+    return jsonify(cars_list)
+
+@app.route('/api/cars/search', methods=['GET'])
+def search_car():
+    plate = request.args.get('plate', '')
+    
+    if not plate:
+        return jsonify({'error': '请输入车牌号码'}), 400
+    
+    conn = get_db_connection()
+    cars = conn.execute('SELECT * FROM cars WHERE plate LIKE ?', (f'%{plate}%',)).fetchall()
+    conn.close()
+    
+    cars_list = [dict(car) for car in cars]
+    return jsonify(cars_list)
+
+@app.route('/api/cars/<plate>', methods=['GET'])
+def get_car_by_plate(plate):
+    conn = get_db_connection()
+    car = conn.execute('SELECT * FROM cars WHERE plate = ?', (plate,)).fetchone()
+    conn.close()
+    
+    if car is None:
+        return jsonify({'error': '未找到该车牌号码对应的车主信息'}), 404
+    
+    return jsonify(dict(car))
+
+if __name__ == '__main__':
+    app.run(debug=True, host='0.0.0.0', port=5000)

mvcar/backend/init_db.py

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+import sqlite3
+import os
+
+# 获取当前文件所在目录
+basedir = os.path.abspath(os.path.dirname(__file__))
+db_path = os.path.join(basedir, '..', 'data', 'cars.db')
+
+# 创建数据目录（如果不存在）
+os.makedirs(os.path.dirname(db_path), exist_ok=True)
+
+# 创建数据库连接
+conn = sqlite3.connect(db_path)
+cursor = conn.cursor()
+
+# 创建车辆表
+cursor.execute('''
+CREATE TABLE IF NOT EXISTS cars (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    plate TEXT UNIQUE NOT NULL,
+    phone TEXT NOT NULL,
+    brand TEXT NOT NULL
+)
+''')
+
+# 插入示例数据
+sample_cars = [
+    ("京B67890", "131-2222-2222", "本田雅阁"),
+    ("沪C11111", "132-3333-3333", "大众帕萨特"),
+    ("浙D22222", "133-4444-4444", "奔驰E级")
+]
+
+cursor.executemany('INSERT OR IGNORE INTO cars (plate, phone, brand) VALUES (?, ?, ?)', sample_cars)
+
+# 提交更改并关闭连接
+conn.commit()
+conn.close()
+
+print("数据库初始化完成")

mvcar/backend/requirements.txt

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+Flask==2.3.2
+flask-cors==4.0.0

mvcar/readme.md

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+# 挪车电话查询系统
+
+这是一个前后端分离的挪车电话查询系统，使用Python Flask作为后端，SQLite作为数据库，HTML/CSS/JavaScript作为前端。
+
+## 项目结构
+
+- `backend/`: 后端代码（Python Flask）
+- `frontend/`: 前端代码（HTML/CSS/JavaScript）
+- `data/`: 数据库存放目录
+
+## 安装与运行
+
+1. 安装Python依赖：