完成个人中心—导航标签
个人中心—视图函数带标签页面参数tag
@app.route('/usercenter/<user_id>/<tag>')
def usercenter(user_id, tag):
if tag == ‘1':
return render_template('usercenter1.html', **context)
from flask import Flask from flask import render_template, request, redirect, url_for, session from functools import wraps from datetime import datetime import config,os from flask_sqlalchemy import SQLAlchemy 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(20), nullable=True) class Ques(db.Model): __tablename__='question' id = db.Column(db.Integer, primary_key=True, autoincrement=True) author_id = db.Column(db.Integer, db.ForeignKey('user.id')) author = db.relationship('User', backref=db.backref('question')) title = db.Column(db.String(20), nullable=False) detail = db.Column(db.Text, nullable=False) create_time = db.Column(db.DateTime, default=datetime.now) class Comment(db.Model): __tablename__ = 'comment' id = db.Column(db.Integer, primary_key=True, autoincrement=True) author_id = db.Column(db.Integer, db.ForeignKey('user.id')) question_id = db.Column(db.Integer, db.ForeignKey('question.id')) question = db.relationship('Ques', backref=db.backref('comment')) author = db.relationship('User', backref=db.backref('comment')) detail = db.Column(db.Text, nullable=False) create_time = db.Column(db.DateTime, default=datetime.now) db.create_all() @app.route('/') def index(): context={ 'questions':Ques.query.all() } return render_template('index.html',**context) @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('pass') user = User.query.filter(User.username == username).first() # 判断用户名是否存在 if user: if user.password == password: session['user'] = username session.permanent = True return redirect(url_for('index')) else: return u'密码错误' else: return u'账号不存在' @app.context_processor def context(): username=session.get('user') if username: return {'username': username} else: return {} @app.route('/loginout') def loginout(): session.clear() return redirect(url_for('index')) @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') nickname=request.form.get('nickname') user = User.query.filter(User.username == username).first() # 判断用户名是否存在 if user: return u'账号已存在' else: user = User(username=username, password=password,nickname=nickname) db.session.add(user) db.session.commit() return redirect(url_for('login')) def loginFirst(func): #参数是函数 @wraps(func) def wrapper(*args, **kwargs): #定义个函数将其返回 if session.get('user'): return func(*args, **kwargs) else: return redirect(url_for('login')) # print('call %s():' % func.__name__) # return func(*args, ** kwargs) return wrapper #返回一个函数 @app.route('/fabu',methods=['GET','POST']) @loginFirst def fabu(): if request.method == 'GET': return render_template('fabu.html') else: title = request.form.get('title') detail = request.form.get('detail') author_id = User.query.filter(User.username == session.get('user')).first().id # 判断用户名是否存在 question = Ques(title=title, detail=detail, author_id=author_id) db.session.add(question) db.session.commit() return redirect(url_for('index')) @app.route('/detail/<question_id>',methods=['GET','POST']) def detail(question_id): quest = Ques.query.filter(Ques.id == question_id).first() comments= Comment.query.filter(Comment.question_id == question_id).all() return render_template('detail.html',quest=quest,comments=comments) @app.route('/comment',methods=['GET','POST']) @loginFirst def comment(): comment = request.form.get('detail') auth_id = User.query.filter(User.username == session.get('user')).first().id # 判断用户名是否存在 question_id = Ques.query.filter(User.username == session.get('user')).first().id comm = Comment(author_id=auth_id, question_id=question_id, detail=comment) db.session.add(comm) db.session.commit() return redirect(url_for('detail',question_id=question_id)) @app.route('/usercenter/<user_id>/<tag>',methods=['GET','POST']) @loginFirst def usercenter(user_id,tag): user = User.query.filter(User.id == user_id).first() context = { 'username_id': user.id, 'username': user.username, 'questions': user.question, 'comments': user.comment } if tag == '1': return render_template('usercenter.html', **context) elif tag == '2': return render_template('all_question.html', **context) else: return render_template('all_comment.html', **context) if __name__ == '__main__': app.run(debug=True)
- 个人中心—导航标签链接增加tag参数
<li role=“presentation”><a href=“{{ url_for(‘usercenter’,user_id = user.id,tag = ‘1’) }}">全部问答</a></li>
{% extends 'base.html' %} {% block title %}个人中心{% endblock %} {% block head %}{% endblock %} {% block body %} <div class="container"> <div class="row clearfix"> <div class="col-md-1 column"> </div> <div class="col-md-10 column"> <div class="tabbable" id="tabs-795847"> <ul class="nav nav-tabs"> <li role="presentation"> <a href="{{ url_for('usercenter',user_id = username_id,tag='2') }}">全部问答</a> </li> <li role="presentation"> <a href="{{ url_for('usercenter',user_id = username_id,tag='3') }}">全部评论</a> </li> <li role="presentation"> <a href="{{ url_for('usercenter',user_id = username_id,tag='1')}}" >个人中心</a> </li> </ul> {% block user %}{% endblock %} </div> </div> <div class="col-md-1 column"> </div> </div> </div> {% endblock %}
- 个人中心—有链接到个人中心页面的url增加tag参数
<a href="{{ url_for('usercenter',user_id=foo.author.id,tag='1') }}">作者:{{ foo.author.nickname }}</a>