标签：数字 dir 分享 rom 不能 import hold ssi 图片
登录功能完成：
onclick="return fnLogin()"
session：
from flask import Flask,render_template,request,redirect,url_for,session from flask import Flask from flask_sqlalchemy import SQLAlchemy import config app = Flask(__name__) #app.config[‘SECRET_KEY‘] = ‘1234567‘ app.config.from_object(config) db = SQLAlchemy(app) class User(db.Model): __tablename__ = ‘user_test‘ 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) nickname = db.Column(db.String(20)) tel = db.Column(db.String(20)) #db.create_all() #2.在表中插入一条记录 #user = User(username = ‘mis1‘,password = ‘124‘, nickname=‘wk‘) #db.session.add(user) #db.session.commit() #3.去表中查询用户名对应的密码和接下来用户输入的密码是否相匹配 #user = User.query.filter(User.username == ‘mis1234‘).first() #print(user) #print(user.id,user.username)#输出查找到的用户名的id,密码等. #修改查询到的用户名的密码等 #user = User.query.filter(User.username == ‘mis1234‘).first() #user.password = ‘123‘ #db.session.commit() #再次插入一条记录 #user = User(username = ‘wkkkkkk‘,password = ‘123456‘, nickname=‘kk‘) #db.session.add(user) #db.session.commit() #删除一条记录 #user = User.query.filter(User.username == ‘mis1234‘).first() #db.session.delete(user) #db.session.commit() @app.route(‘/‘) def index(): return render_template(‘base.html‘) @app.route(‘/login/‘,methods=[‘GET‘,‘POST‘]) def login(): if request.method == ‘GET‘: return render_template(‘login.html‘) else: usern = request.form.get(‘uname‘) passw = request.form.get(‘upass‘) user = User.query.filter(User.username==usern).first() if user: if user.password == passw: session[‘user‘] = usern; return redirect(url_for(‘index‘)) else: return ‘password error!‘ else: return ‘username is not exister!‘ @app.route(‘/register/‘,methods=[‘GET‘,‘POST‘]) def register(): if request.method ==‘GET‘: return render_template(‘register.html‘) else: usern = request.form.get(‘uname‘) teln = request.form.get(‘number‘) passw = request.form.get(‘upass‘) user = User.query.filter(User.username==usern).first() if user: return ‘username existed‘ else: user1= User(username=usern,tel=teln,password=passw) db.session.add(user1) db.session.commit() return redirect(url_for(‘login‘)) @app.route(‘/question/‘,methods=[‘GET‘,‘POST‘]) def question(): return render_template(‘question.html‘) if __name__ == ‘__main__‘: app.run(debug=True)
function fnLogin(){ var oUname = document.getElementById("uname"); var oUpass = document.getElementById("upass"); var oError = document.getElementById("error_box"); var isError = true; oError.innerHTML="<br>"; //uname if (oUname.value.length>10 || oUname.value.length < 6){ oError.innerHTML="用户名必须是6-10位！"; isError = false; return isError; }else if((oUname.value.charCodeAt(0)>=48)&& (oUname.value.charCodeAt(0))<=57){ oError.innerHTML="用户名首字母不能是数字！"; isError = false; return isError; }else for(var i=0;i<oUname.value.length;i++){ if((oUname.value.charCodeAt(i)<48 || oUname.value.charCodeAt(i)>57) && (oUname.value.charCodeAt(i)<97 || oUname.value.charCodeAt(i)>122)){ oError.innerHTML="用户名只能为数字和字母"; isError = false; return isError; } } //upass if(oUpass.value.length>10 || oUpass.value.length<6 ){ oError.innerHTML="用户密码6-10位！"; isError = false; return isError; } //window.alert("登录成功！") return isError; }
#SQLALCHEMY_DATABASE_URI = ‘mysql+pymysql://root:wk21640913@127.0.0.1:3306/mis_1test?charset=utf8‘ import os SQLALCHEMY_DATABASE_URI = ‘mysql+pymysql://root:@127.0.0.1:3306/mis_1?charset=utf8‘ SQLALCHEMY_TRACK_MODIFICATIONS = False SECRET_KEY = os.urandom(24)
{% extends ‘base.html‘ %} {% block title %} 登录 {% endblock %} {% block head %} <!--<title>login</title>--> <!--<link href="../static/css/login.css" rel="stylesheet" type="text/css"> <script src="../static/js/login.js"></script>--> <link rel="stylesheet" type="text/css" href="{{ url_for(‘static‘,filename=‘css/login.css‘)}}"> <script src="{{ url_for(‘static‘,filename=‘js/login.js‘) }}" type="text/javascript"></script> {% endblock %} {% block main %} <div class="box"> <h2>登录</h2> <form method="post" action="{{ url_for(‘login‘) }}"> <div class="input_box"> username:<input id="uname" type="text" placeholder="请输入用户名" name="uname"> </div> <div class="input_box"> password:<input id="upass" type="password" placeholder="请输入密码" name="upass"> </div> <div id="error_box" ><br></div> <div class="input_box"> <button id="button" onclick=" return fnLogin()">登录</button>      <button id="button" onclick="window.location.replace({{ url_for("register") }})">注册</button> </div> </form> </div> {% endblock %}
标签：数字 dir 分享 rom 不能 import hold ssi 图片
原文地址：http://www.cnblogs.com/wk15/p/7879600.html
