AI 生成: 一个基于 Python Flask 的车辆管理系统，提供车辆的增删改查、搜索和统计功能。

app.py

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+# -*- coding: utf-8 -*-
+"""车辆管理系统 - Flask 应用入口"""
+
+from flask import Flask, render_template, request, jsonify, redirect, url_for
+import models
+
+app = Flask(__name__)
+
+
+@app.route('/')
+def index():
+    """首页：展示车辆列表，支持搜索"""
+    keyword = request.args.get('q', '').strip()
+    vehicles = models.list_vehicles(keyword or None)
+    stat = models.stats()
+    return render_template('index.html', vehicles=vehicles, keyword=keyword, stats=stat)
+
+
+@app.route('/edit/<int:vid>')
+def edit_page(vid):
+    """编辑页面"""
+    vehicle = models.get_vehicle(vid)
+    if not vehicle:
+        return redirect(url_for('index'))
+    return render_template('edit.html', vehicle=vehicle)
+
+
+# ------------------ REST API ------------------
+
+@app.route('/api/vehicles', methods=['GET'])
+def api_list():
+    keyword = request.args.get('q', '').strip()
+    return jsonify(models.list_vehicles(keyword or None))
+
+
+@app.route('/api/vehicles', methods=['POST'])
+def api_add():
+    data = request.get_json(force=True, silent=True) or {}
+    if not data.get('plate') or not data.get('brand') or not data.get('model'):
+        return jsonify({'error': 'plate, brand, model 为必填项'}), 400
+    try:
+        vid = models.add_vehicle(data)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 400
+    return jsonify({'id': vid, 'message': '添加成功'}), 201
+
+
+@app.route('/api/vehicles/<int:vid>', methods=['GET'])
+def api_get(vid):
+    v = models.get_vehicle(vid)
+    if not v:
+        return jsonify({'error': '未找到'}), 404
+    return jsonify(v)
+
+
+@app.route('/api/vehicles/<int:vid>', methods=['PUT'])
+def api_update(vid):
+    if not models.get_vehicle(vid):
+        return jsonify({'error': '未找到'}), 404
+    data = request.get_json(force=True, silent=True) or {}
+    models.update_vehicle(vid, data)
+    return jsonify({'message': '更新成功'})
+
+
+@app.route('/api/vehicles/<int:vid>', methods=['DELETE'])
+def api_delete(vid):
+    models.delete_vehicle(vid)
+    return jsonify({'message': '删除成功'})
+
+
+@app.route('/api/stats', methods=['GET'])
+def api_stats():
+    return jsonify(models.stats())
+
+
+if __name__ == '__main__':
+    models.init_db()
+    app.run(host='0.0.0.0', port=5000, debug=True)