def update_post(content):
# get方法先获取一条
post_one = Post.get(post_pk=1)
post_one.content = content
def edit_post_form(post_id):
"""Displays the form to edit the specified post"""
post = Post.get(post_id)
tags = Tag.get_all()
return render_template('post_edit_form.html', post=post, tags=tags)
# 修改数据
@db_session
def update_post(content):
# get方法先获取一条
post_one = Post.get(post_pk=1)
post_one.content = content
content = "内容暂无"
update_post(content)
# 表关联操作
with db_session:
p = Post.get(post_pk=1)
Comment(content="你瞅啥", post=p)
Comment(content="瞅你咋地", post=p)
# 查看关联的数据
print(p.comments)
# 之后就可以通过p.comments取到与之关联的评论。
# 那么再来试试多对多关系
with db_session:
c1 = Category(name="tech")
c2 = Category(name="blog")
Post(title="第5篇文章", content="Hello world too", categories=[c1])
Post(title="第6篇文章", content="Hello world 3", categories=[c1, c2])
def show_post(post_id):
"""Displays info about the specified post"""
post = Post.get(post_id)
return render_template('post_details.html', post=post)
