概述
要编辑帖子,
def post_edit(id,t_id,p_id): post = Post.query.filter_by(id=p_id).first() if post.author.username == g.user.username: form = PostForm(body=post.body) if form.validate_on_submit(): post.body = form.body.data db.session.commit() return redirect(url_for('thread',id=id,t_id=t_id)) return render_template('post_edit.html',form=form,title='Edit') else: flash('Access denied.') return redirect(url_for('thread',t_id=t_id))
并删除帖子,
@app.route('/forum=<id>/thr=<t_id>/p=<p_id>/delete',methods=['GET','POST']) def post_delete(id,p_id): post = Post.query.filter_by(id=p_id).first() if post.author.username == g.user.username: db.session.delete(post) db.session.commit() return redirect(url_for('thread',t_id=t_id)) else: flash('Access denied.') return redirect(url_for('thread',t_id=t_id))
并张贴帖子
@app.route('/forum/id=<id>/thr=<t_id>','POST']) def thread(id,t_id): forum = Forum.query.filter_by(id=id).first() thread = Thread.query.filter_by(id=t_id).first() posts = Post.query.filter_by(thread=thread).all() form = PostForm() if form.validate_on_submit(): post = Post(body=form.body.data,timestamp=datetime.utcNow(),thread=thread,author=g.user) db.session.add(post) db.session.commit() return redirect(url_for('thread',t_id=t_id)) return render_template('thread.html',forum=forum,posts=posts,title=thread.title)
不幸的是,解决这个问题的唯一可靠方法是重置实际运行应用程序的脚本run.py.
#!bin/python from app import app app.run(debug=True,host='0.0.0.0')
他描述了需要修改WooshAlchemy扩展的“修复”.
通常虽然它可能意味着您调用Post模型对象然后使用“session.add”附加它,然后尝试“session.delete”或在同一对象上执行另一个“session.add”.
你的请求路由也有点奇怪我从未见过“thr =< t_id>” Flask之前的符号类型.这对你有用吗?
http://flask.pocoo.org/docs/quickstart/#variable-rules
总结
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