初始版本

firmware_upload_server.py

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+
+from flask import Flask, request, jsonify
+import os
+from flask import send_from_directory
+
+app = Flask(__name__)
+UPLOAD_FOLDER = 'uploaded_firmware'
+os.makedirs(UPLOAD_FOLDER, exist_ok=True)
+
+# 临时保存每个上传会话的分包
+chunk_cache = {}
+
+@app.route('/api/upload_firmware', methods=['POST'])
+def upload_firmware():
+    chunk = request.files.get('chunk')
+    index = int(request.form.get('index', -1))
+    total = int(request.form.get('total', -1))
+    session_id = request.remote_addr  # 简单用IP区分会话，实际可用token等
+    if chunk is None or index < 0 or total < 1:
+        return '参数错误', 400
+
+    # 缓存分包
+    if session_id not in chunk_cache:
+        chunk_cache[session_id] = [None] * total
+    chunk_cache[session_id][index] = chunk.read()
+
+    # 如果全部收到，合并保存
+    if all(part is not None for part in chunk_cache[session_id]):
+        firmware_data = b''.join(chunk_cache[session_id])
+        save_path = os.path.join(UPLOAD_FOLDER, f'firmware_{session_id}.bin')
+        with open(save_path, 'wb') as f:
+            f.write(firmware_data)
+        del chunk_cache[session_id]
+        return jsonify({'status': 'ok', 'msg': '全部分包已接收并保存'})
+    return jsonify({'status': 'ok', 'msg': f'分包{index+1}/{total}已接收'})
+
+# 版本信息接口
+@app.route('/api/version_info')
+def version_info():
+    # 实际可从设备、数据库或文件读取，这里演示写死
+    verstr = 'Bootloader版本：V1.0\n固件版本：V1.3\n编译日期：2025.09.06\n固件日志：修复若干bug，提升稳定性。'
+    return verstr, 200, {'Content-Type': 'text/plain; charset=utf-8'}
+
+# 静态页面路由
+@app.route('/')
+def index():
+    return send_from_directory('.', 'firmware_upgrade.html')
+
+@app.route('/<path:filename>')
+def static_files(filename):
+    # 允许访问同目录下的静态资源（如js/css等）
+    return send_from_directory('.', filename)
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000, debug=True)