from flask import Flask,render_template,request app = @app.route("/") def index(): #显示“主页”页面,代码略 @app.route("/introduce") def introduce(): #显示“介绍”页面,代码略 @app.route("/exercise",methods=["GET","POST"]) ...
Flask是一个类,而不是一个小写的flask。 python from flask import Flask, render_template, request 确保已正确安装Flask库: 如果Flask库未安装,Python将无法找到该模块,从而导致ModuleNotFoundError。你可以通过运行以下命令来安装Flask: bash pip install flask 安装完成后,你可以通过运行一个简单的测试脚本来...
fromflaskimportFlask,render_templatefromflask_wtfimportFlaskFormfromwtformsimportStringField,SubmitFieldfromwtforms.validatorsimportDataRequiredapp=Flask(__name__)app.config['SECRET_KEY']='your_secret_key'classMyForm(FlaskForm):name=StringField('Name',validators=[DataRequired()])submit=SubmitField('Submit...
from flask import Flask,render_template,requestapp = ___@app.route("/")def index():#显示“主页”页面,代码略@app.route("/introduce")def introduce():#显示“介绍”页面,代码略@app.route("/exercise",methods=["GET","POST"])def exercise():#...
from flask import Flask, render_template, request, flash, redirect, url_for, session, abort from werkzeug.security import check_password_hash import sqlite3 app = Flask(__name__) app.secret_key="ahskfjhisw" con=sqlite3.connect("database.db") con.execute("create ...
接下来,在Flask视图函数中,可以使用表单类来处理表单数据的验证和处理。例如,我们创建一个登录视图函数login: python复制插入from flask import Flask, render_template, request from your_app import LoginForm app = Flask(__name__) @app.route('/login', methods=['GET', 'POST']) ...
首先,你需要通过 pip 安装 Flask-Paginate: ```bash pip install Flask-Paginate ``` - **在视图中使用**: 假设你正在使用 SQLAlchemy 查询数据库,你可以这样做: ```python from flask import Flask, render_template from flask_paginate import Pagination, get_page_args ...
flask_test.py from flask import Flask,render_template app = Flask(__name__) @app.route('/') def index(): mydict = {'key':'silence is gold'} mylist = ['Speech', 'is','silver'] myintvar = 0 return render_template('vars.html', ...
fromflaskimportFlask,render_template app=Flask(__name__)@app.route('/')defindex():returnrender_template('index.html') Copy Theindex()view function returns the result of callingrender_template()withindex.htmlas an argument, this tellsrender_template()to look for a file calledindex.htmlin ...
#1. 导入Flask扩展 from flask import Flask,render_template #2. 创建Flask应用程序实例 # 需要传入__name__,作用是为了确定资源所在的路径 app=Flask(__name__) #3. 定义路由及视图函数 # Flask中定义路由是通过装饰器实现的 @app.route('/')