注：同次提交下的esp32程序配套的上传拍照文件的python flask程序，提供上传接口。


from flask import Flask, request, jsonify
import os
import datetime  # 导入 datetime 模块

app = Flask(__name__)

# 配置上传文件夹
UPLOAD_FOLDER = 'uploads'
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER

# 设置允许上传的文件类型
ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif'}

# 检查文件扩展名是否允许上传
def allowed_file(filename):
    return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS

# 上传照片的路由
@app.route('/upload', methods=['POST'])
def upload_file():
    if 'file' not in request.files:
        return jsonify({'message': 'No file part'}), 400

    file = request.files['file']

    # 如果用户没有选择文件
    if file.filename == '':
        return jsonify({'message': 'No selected file'}), 400

    if file and allowed_file(file.filename):
        timestamp = datetime.datetime.now().strftime('%Y%m%d%H%M%S')
        extension = file.filename.rsplit('.', 1)[1].lower()
        filename = f"{timestamp}.{extension}"
        # 生成保存路径
        file_path = os.path.join(app.config['UPLOAD_FOLDER'], filename)
        file.save(file_path)
        return jsonify({'message': 'File uploaded successfully', 'filename': filename}), 200

    return jsonify({'message': 'File not allowed'}), 400

if __name__ == '__main__':
    # 创建上传文件夹
    if not os.path.exists(UPLOAD_FOLDER):
        os.makedirs(UPLOAD_FOLDER)

    # 启动 Flask 应用，并指定端口为 7002
    app.run(debug=True, host='0.0.0.0', port=7002)