标签：dex wrap ima box let ace rem img tle
登录功能完成：
session：
from flask import Flask,request,render_template,redirect,url_for,session
from flask_sqlalchemy import SQLAlchemy
import config
from functools import wraps
from datetime import datetime
app = Flask(__name__)
app.config.from_object(config)
db=SQLAlchemy(app)
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)
nickname = db.Column(db.String(50))
#db.create_all()
#增加数据
#user=User(username = ‘shanshan1‘,password = ‘111111‘)
#db.session.add(user)
#db.session.commit()
#查询数据
#user=User.query.filter(user.username == ‘shanshan1‘).first()
#print(user.id,user.username,user.password)
#修改数据
#user=User.query.filter(user.username == ‘shanshan3‘).first()
#user.password = ‘0000‘
#db.session.commit()
#删除数据
#user=User.query.filter(user.username == ‘shanshan3‘).first()
#db.session.delete(user)
#db.session.commit()
@app.route(‘/‘)
def index():
return render_template(‘shouye.html‘)
@app.route( ‘/manhua‘)
def manhua():
return render_template(‘manhua.html‘)
@app.route(‘/login‘,methods=[‘GET‘,‘POST‘])
def login():
if request.method ==‘GET‘:
return render_template(‘denglu.html‘)
else:
name = request.form.get(‘name‘)
passw = request.form.get(‘password‘)
user = User.query.filter(User.username == name).first()
if user:
if user.password==passw:
session[‘user‘]=name
return redirect(url_for("manhua"))
else:
return "密码错误！"
else:
return "用户名不存在！"
@app.route("/register",methods=[‘GET‘,‘POST‘])
def register():
if request.method == ‘GET‘:
return render_template("login.html")
else:
name = request.form.get(‘name‘)
passw = request.form.get(‘password‘)
user = User.query.filter(User.username == name).first()
if user:
return "用户名已存在！"
else:
user = User(username=name, password=passw)
db.session.add(user)
db.session.commit()
return render_template("login.html")
if __name__ == ‘__main__‘:
app.run(debug=True)
login.html
{% extends‘shouye.html‘ %}
{% block title %}
register
{% endblock %}
{% block head %}
<link rel="stylesheet" type="text/css" href="login.css">
<script src="login.js"></script>
{% endblock %}
{% block main %}
<body>
<div class="bigbox">
<div class="box">
<h2>?游民星空账号登录?</h2>
<div class="input_box">
账号：<input id="umane"type="text"placeholder="请输入账号">
</div>
<div class="input_box">
密码：<input id="upass"type="password"placeholder="请输入密码">
</div>
<div id="error_box"><br>
</div>
<div class="input_box">
<button onclick="myLogin()">登录</button>
<button onclick=window.alert("是否取消登录？")>取消</button></div>
</div>
</div>
</body>
{% endblock %}
login.js
function myLogin() { var oUname = document.getElementById("umane"); var oError = document.getElementById("error_box"); var oUpass = document.getElementById("upass"); oError.innerHTML = "<br>" //oUname if (oUname.value.length>12 || oUname.value.length<6){ oError.innerHTML = "账号长度为6~12位"; return; } else if((oUname.value.charCodeAt(0)>=48) && oUname.value.charCodeAt(0)<=57){ oError.innerHTML = "账号首位只能为字母"; return; }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 = "账号中含有非法字符"; return; } } if(upass.value.length>12 || upass.value.length<6){ oError.innerHTML="password;6-12"; return; } window.alert("登陆成功 ！") }
标签：dex wrap ima box let ace rem img tle
原文地址：http://www.cnblogs.com/xyjie/p/7880953.html
