Python web框架：flask请求与响应

from flask import Flask
 from flask import request
 from flask import render_template
 from flask import redirect
 from flask import make_response
'''
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'''
    app = Flask(__name__)


    @app.route('/login.html', methods=['GET', "POST"])
    def login():

        # 请求相关信息
        # request.method
        # request.args
        # request.form
        # request.values
        # request.cookies
        # request.headers
        # request.path
        # request.full_path
        # request.script_root
        # request.url
        # request.base_url
        # request.url_root
        # request.host_url
        # request.host
        # request.files
        # obj = request.files['the_file_name']
        # obj.save('/var/www/uploads/' + secure_filename(f.filename))

        # 响应相关信息
        # return "字符串"
        # return render_template('html模板路径',**{})
        # return redirect('/index.html')

        # response = make_response(render_template('index.html'))
        # response是flask.wrappers.Response类型
        # response.delete_cookie('key')
        # response.set_cookie('key', 'value')
        # response.headers['X-Something'] = 'A value'
        # return response


        return "内容"

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

from flask import Flask,url_for,request,redirect,render_template,jsonify,make_response
from urllib.parse import urlencode,quote,unquote
'''
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'''
app = Flask(__name__)

@app.route('/index',endpoint='xx')
def index():
    from werkzeug.datastructures import ImmutableMultiDict
　　=================
    # get_data = request.args
    # get_dict = get_data.to_dict()
    # get_dict['xx'] = '18'
    # url = urlencode(get_dict)
    # print(url)
　　====================
    # print(request.query_string)
    # print(request.args)
　　==========================
    # val = "%E6%8A%8A%E5%87%A0%E4%B8%AA"
    # print(unquote(val))   #把上面这样的数据转换成中文
    #
    # return "Index"

    # return "Index"
    # return redirect()
    # return render_template()
    # return jsonify(name='alex',age='18')  #相当于JsonResponse
　　=======================
    response = make_response('xxxxx')   ##如果是返回更多的值，cookie，headers，或者其他的就可用它
    response.headers['xxx'] = '123123'
    return response


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