def login():
"""
视图：登录
:return:
"""
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
user = db.execute('SELECT * FROM user WHERE username = ?',
(username, )).fetchone()
if user is None:
error = 'Incorrect username.'
elif not check_password_hash(user['password'], password):
error = 'Incorrect password.'
if error is None:
session.clear()
session['user_id'] = user['id']
return redirect(url_for('blog.myindex'))
flash(error)
return render_template('login.html')
def myindex():
db=get_db()
# 获取post表中的所有数据
posts = db.execute(
'SELECT p.id, title, body, created, user_id, username'
' FROM post p JOIN user u ON p.user_id = u.id'
' ORDER BY created DESC'
).fetchall()
# 获取mark表中的所有数据
marks = db.execute(
' SELECT p.id, title, body, created, user_id, username'
' FROM mark p JOIN user u ON p.user_id = u.id'
' ORDER BY created DESC'
).fetchall()
# 获取imag表中的所有数据
imags = db.execute(
'SELECT p.id, title, body, created, user_id, username'
' FROM imag p JOIN user u ON p.user_id = u.id'
' ORDER BY created DESC'
).fetchall()
return render_template('blog/myindex.html',
posts=posts,
marks=marks,
imags=imags)
def register():
"""
视图：注册
:return:
"""
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
if not username:
error = 'Username is required.'
elif not password:
error = 'Password is required.'
elif db.execute('SELECT id FROM user WHERE username = ?',
(username, )).fetchone() is not None:
error = 'User {} is already registered.'.format(username)
if error is None:
db.execute('INSERT INTO user (username, password) VALUES (?, ?)',
(username, generate_password_hash(password)))
db.commit()
return redirect(url_for('auth.login'))
flash(error)
return render_template('register.html')
def load_logged_in_user():
user_id = session.get('user_id')
if user_id is None:
g.user = None
else:
g.user = get_db().execute('SELECT * FROM user WHERE id = ?',
(user_id, )).fetchone()
def get_imag(id, check_imagor=True):
imag = get_db().execute(
'SELECT p.id, title, body, created, user_id, username'
' FROM imag p JOIN user u ON p.user_id = u.id'
' WHERE p.id = ?', (id, )).fetchone()
if imag is None:
abort(404, "Imag id {0} doesn't exist.".format(id))
if check_imagor and imag['user_id'] != g.user['id']:
abort(403)
return imag
def get_mark(id, check_author=True):
mark = get_db().execute(
'SELECT p.id, title, body, created, user_id, username'
' FROM mark p JOIN user u ON p.user_id = u.id'
' WHERE p.id = ?', (id, )).fetchone()
if mark is None:
abort(404, "Mark id {0} doesn't exist.".format(id))
if check_author and mark['user_id'] != g.user['id']:
abort(403)
return mark
def create():
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
error = None
if not title:
error = 'Title is required.'
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'INSERT INTO imag (title, body, user_id)'
' VALUES (?, ?, ?)', (title, body, g.user['id']))
db.commit()
return redirect(url_for('imag.index'))
return render_template('imag/create.html')
def update(id):
imag = get_imag(id)
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
error = None
if not title:
error = 'Title is required.'
if error is not None:
flash(error)
else:
db = get_db()
db.execute('UPDATE imag SET title = ?, body = ?'
' WHERE id = ?', (title, body, id))
db.commit()
return redirect(url_for('imag.index'))
return render_template('imag/update.html', imag=imag)
def index():
db = get_db()
imags = db.execute('SELECT p.id, title,body, created, user_id, username'
' FROM imag p JOIN user u ON p.user_id = u.id'
' ORDER BY created DESC').fetchall()
return render_template('imag/index.html', imags=imags)
def delete(id):
get_imag(id)
db = get_db()
db.execute('DELETE FROM imag WHERE id = ?', (id, ))
db.commit()
return redirect(url_for('imag.index'))
def index():
db = get_db()
marks = db.execute('SELECT p.id, title,body, created, user_id, username'
' FROM mark p JOIN user u ON p.user_id = u.id'
' ORDER BY created DESC').fetchall()
return render_template('mark/index.html', marks=marks)
def delete(id):
get_mark(id)
db = get_db()
db.execute('DELETE FROM mark WHERE id = ?', (id, ))
db.commit()
return redirect(url_for('mark.index'))
