flask重要的两种请求:
GET (大多是url请求)POST (大多是表单的提交)(1)GET请求的的参数类型:
str(默认)intfloatpathuuid# 没规定,默认(str)@blue.route('/hello/<name>/')def hello_mian(name):return 'hello %s' % (name)# int 参数@blue.route('/helloint/<int:id>/')def hello_int(id):return 'hello int:%s' % (id)# float 参数@blue.route('/getfloat/<float:price>/')def hello_float(price):return 'float:%s' % (price)# string 参数@blue.route('/getstr/<string:name>/')def hello_name(name):return 'hello name:%s' % name# path 参数@blue.route('/getpath/<path:url_path>/')def hello_path(url_path):return 'path: %s' % url_path# uuid 参数@blue.route('/getuuid/')def get_uuid():a = uuid.uuid4()return str(a)# uuid参数@blue.route('/getbyuuid/<uuid:uu>/')def hello_uuid(uu):return 'uu:%s' % uu
方法怎么获取GET请求的参数:
例如请求:127.0.0.1/index/?id=1&name=coco
Djngo获取GET请求的参数:
def helloParams(request):id = request.GET.get('id')name = request.GET.get('name')
flask获取GET请求的参数
@blue.route('/getrequest/', methods=['GET', 'POST'])def get_request():if request.method == 'GET':# args = request.argsid = request.args.getlist('id')name = request.args.getlist('name')
方法怎么获取PUST请求:
Djngo获取POST请求的值:
例如:
<input type='text' name='username'>
<input type='password' name='password'>
def helloParams(request):id = request.POST.get('username')name = request.POST.get('password')
flask获取POST请求的参数
@blue.route('/getrequest/', methods=['GET', 'POST'])def get_request():if request.method == 'POST':#form = request.formusername = request.form.getlist('username')password = request.form.getlist('password')
(2)响应(response)
Django响应:
HttpResponserender(返回页面)HttpResponseRedirect (跳转页面)reverse (重定向(可以传参数))
return HttpResponse('张三')return render(request, 'cart/cart.html', {'user_carts': user_cart, 'goods_sum': sum, 'all_select': select})return HttpResponseRedirect('/log/login/')return HttpResponseRedirect(reverse('cart:showordershop', args=(str(order.id),)))
flask响应:
make_responserender_template(和Django的render相同)redirect(和django的HttpResponseRedirect 相同)url_for(和django的 reverse差不多)
# 响应@blue.route('/makeresponse/')def make_responses():temp = render_template('hello.html')response = make_response(temp)return response# 跳转页面@blue.route('/redirect/')def make_redirect():# 第一种方法# return redirect('/index/')# 第二种方法return redirect(url_for('first.hello')) # first表示蓝图名字,hello表示方法
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