标签:bug ack name rem incr text highlight col html
登录功能完成:
onclick="return fnLogin()"
session:
{% extends‘index.html‘ %} {% block title %} 登录 {% endblock %} {% block head %} <link href="{{ url_for(‘static‘,filename=‘CSS/design.css‘) }}" rel="stylesheet" type="text/css"> <script src="{{ url_for(‘static‘,filename=‘JS/confirm.js‘) }}"></script> {% endblock %} {% block main %} <div class="box" > <div class="jar" ><h2>欢迎登陆</h2></div> <form action="{{ url_for("login") }}" method="post"> <div class="input_box"> 账号 <input id="name" name="username" type="text" placeholder="请输入用户名"></div><br> <div class="input_box"> 密码 <input id="password" name="password" type="password" placeholder="请输入密码"></div><br> <div id="error_box"><br></div> <div class="ja"> <button onclick="return myLogin()" >登陆</button></div> </form></div> {% endblock %}
function fnLogin() { var uname = document.getElementById("name") var uError = document.getElementById("error_box") var upassword = document.getElementById("password") var upasswordagain = document.getElementById("passwordagain") var isError =true; uError.innerHTML="<br>" if(uname.value.length<6 || uname.value.length >20){ uError.innerHTML="用户名应为6到20字符"; isError = false; return isError; }else if ((uname.value.charCodeAt(0)>=48) && (uname.value.charCodeAt(0)<=57)){ uError.innerHTML="第一位只能是字母"; isError = false; return isError; } if(upassword.value.length<6 || upassword.value.length>12){ uError.innerHTML="密码应为6到20字符"; isError = false; return isError; } return isError; window.alert("登录成功") }
from flask import Flask,render_template,request,redirect,url_for,session from flask_sqlalchemy import SQLAlchemy import config app = Flask(__name__) app.config.from_object(config) db=SQLAlchemy(app) db = SQLAlchemy(app) # 创建用户模型 class User(db.Model): __tablename__ = ‘user‘ id = db.Column(db.Integer, primary_key=True, autoincrement=True) username = db.Column(db.String(20), nullable=False) password = db.Column(db.String(20), nullable=False) # db.create_all() @app.route(‘/‘) def homepage(): return render_template("homepage.html") @app.route(‘/login/‘,methods=[‘GET‘,‘POST‘]) def login(): if request.method == "GET": return render_template("login.html") else: username = request.form.get("username") password = request.form.get("password") user = User.query.filter(User.username == username).first() if user: if user.password == password: session[‘user‘]=username return redirect(url_for(‘homepage‘)) else: return ‘password error‘ else: return ‘username is not existed‘ @app.route("/register/",methods=[‘GET‘,‘POST‘]) def register(): if request.method == "GET": return render_template("register.html") else: username = request.form.get("username") password = request.form.get("password") user = User.query.filter(User.username == username).first() if user: return ‘username existed.‘ else: user = User(username=username, password=password) db.session.add(user) db.session.commit() return redirect(url_for(‘login‘)) @app.route("/question/") def question(): return render_template("question.html") if __name__ == ‘__main__‘: app.run(debug=True)
import os SQLALCHEMY_DATABASE_URI = ‘mysql+pymysql://root:@127.0.0.1:3306/mis_db?charset=utf8‘ SQLALCHEMY_TRACK_MODIFICATIONS = False SECRET_KEY=os.urandom(24)
标签:bug ack name rem incr text highlight col html
原文地址:http://www.cnblogs.com/JaTae/p/7879638.html