name = request.args.get('name')  # 獲取單個(gè)參數(shù)
all_args = request.args.to_dict()  # 轉(zhuǎn)為字典

username = request.form.get('username')

data = request.json

file = request.files.get('file')
if file:
    file.save('uploaded_file.txt')

user_agent = request.headers.get('User-Agent')
user_token = request.cookies.get('token')

selected_ids = request.form.getlist('ids')

data = request.get_json(force=True)

@app.route('/upload', methods=['POST'])
def upload():
    def generate():
        chunk_size = 4096
        while True:
            chunk = request.stream.read(chunk_size)
            if not chunk:
                break
            # 處理chunk...
    return 'Upload complete'

from flask import Flask, request, jsonify

app = Flask(__name__)

@app.route('/api', methods=['GET', 'POST'])
def handle_request():
    # 獲取查詢參數(shù)
    query_param = request.args.get('q')
    
    # 根據(jù)不同請(qǐng)求類型處理數(shù)據(jù)
    if request.method == 'POST':
        # 處理表單數(shù)據(jù)
        username = request.form.get('username')
        
        # 處理JSON數(shù)據(jù)
        json_data = request.get_json(silent=True)  # 解析失敗返回None
        
        # 處理文件上傳
        uploaded_file = request.files.get('file')
        if uploaded_file:
            uploaded_file.save('uploads/' + uploaded_file.filename)
        
        return jsonify({
            "query_param": query_param,
            "username": username,
            "json_data": json_data,
            "file_uploaded": bool(uploaded_file)
        })
    else:
        return jsonify({"query_param": query_param})

if __name__ == '__main__':
    app.run(debug=True)

value = request.form.get('key', 'default')

@app.before_request
def check_auth():
    if not request.endpoint == 'login' and not validate_token(request.headers.get('Token')):
        return jsonify({"error": "Unauthorized"}), 401

with app.test_client() as client:
    response = client.post('/api', data={'username': 'test'}, headers={'Content-Type': 'multipart/form-data'})
    assert response.status_code == 200

@app.route('/parse-json', methods=['POST'])
def parse_json():
    try:
        data = request.get_json()
        if data is None:
            raise ValueError("Invalid JSON")
        # 處理數(shù)據(jù)...
    except ValueError as e:
        return jsonify({"error": str(e)}), 400

@app.route('/debug', methods=['POST'])
def debug_endpoint():
    print("Headers:", request.headers)
    print("Raw Data:", request.data.decode('utf-8'))
    print("Form Data:", request.form)
    return "Debug information logged"

curl -X POST http://localhost:5000/api -H "Content-Type: application/json" -d '{"key": "value"}'

from flask_wtf.csrf import CSRFProtect
csrf = CSRFProtect(app)

<input type="hidden" name="csrf_token" value="{{ csrf_token() }}">

allowed_extensions = {'png', 'jpg', 'jpeg'}
filename = uploaded_file.filename
if '.' not in filename or filename.split('.')[-1].lower() not in allowed_extensions:
    return "Invalid file type", 400

from werkzeug.utils import secure_filename
safe_filename = secure_filename(uploaded_file.filename)
uploaded_file.save(f'uploads/{safe_filename}')

@app.route('/async-upload', methods=['POST'])
async def async_upload():
    data = await request.get_data()
    # 異步處理數(shù)據(jù)（如寫入數(shù)據(jù)庫）
    return "Processing completed"

app.config['MAX_CONTENT_LENGTH'] = 100 * 1024 * 1024  # 限制為100MB

from flask_compress import Compress
Compress(app)

// 使用FormData處理文件上傳
const formData = new FormData();
formData.append('file', fileInput.files[0]);
fetch('/api/upload', { method: 'POST', body: formData });

fetch('/api/data', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ key: 'value' })
});

from xml.etree import ElementTree

@app.route('/xml', methods=['POST'])
def parse_xml():
    xml_data = request.data
    root = ElementTree.fromstring(xml_data)
    value = root.find('key').text
    return jsonify({"value": value})

@app.route('/register', methods=['POST'])
def register():
    # 解析JSON數(shù)據(jù)
    user_data = request.get_json()
    username = user_data.get('username')
    
    # 處理頭像文件
    avatar = request.files.get('avatar')
    if avatar:
        avatar.save(f'avatars/{secure_filename(avatar.filename)}')
    
    # 保存用戶到數(shù)據(jù)庫（偽代碼）
    save_user(username)
    
    return jsonify({"status": "success"})

@app.route('/articles', methods=['GET'])
def get_articles():
    page = request.args.get('page', 1, type=int)
    per_page = request.args.get('per_page', 10, type=int)
    articles = Article.query.paginate(page=page, per_page=per_page)
    return jsonify({
        "data": [article.to_dict() for article in articles.items],
        "total_pages": articles.pages
    })