一文带你学会Python Flask框架设置响应头

from flask import Flask, make_response

app = Flask(__name__)


@app.route('/')
def index():
    response = make_response("Hello, 梦想橡皮擦")
    response.headers['Content-Type'] = 'text/html; charset=utf-8'
    return response


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

response.headers['Content-Type'] = 'text/plain'

response.headers['X-My-Header'] = 'Xiang_Pi_Ca'

from flask import make_response

response = make_response("Hello, Xiang_Pi_Ca!")
response.headers['Content-Type'] = 'text/plain'

from flask import Flask, abort

app = Flask(__name__)


@app.route('/')
def index():
    # 模拟参数错误
    invalid_parameter = True
    if invalid_parameter:
        abort(400)
    return "Hello, Xiang_Pi_Ca!"

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

from flask import Flask, request,make_response

app = Flask(__name__)


@app.before_request
def before_request():
    response = make_response()
    response.headers['Content-Type'] = 'application/json'
    response.headers['X-My-Ca'] = 'xiangpica_demo'
    return response


@app.route('/')
def index():
    return "Hello, 梦想橡皮擦!"

from flask import Flask, request, make_response
from functools import wraps

app = Flask(__name__)


def set_headers(f):
    @wraps(f)
    def decorated_function(*args, **kwargs):
        response = make_response(f(*args, **kwargs))
        response.headers['Content-Type'] = 'application/json'
        response.headers['X-My-Header'] = 'xiangpica_demo_'
        return response

    return decorated_function


@app.route('/')
@set_headers
def index():
    return "Hello, 梦想橡皮擦!"


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

from flask import Flask,  make_response

app = Flask(__name__)
app.config.update(
    RESPONSE_HEADERS={
        'Content-Type': 'application/json',
        'X-My-Ca': 'xiangpica_demo_'
    }
)


@app.route('/')
def index():
    response = make_response()
    for key, value in app.config['RESPONSE_HEADERS'].items():
        response.headers[key] = value
    return response


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