- 准备视图函数search()
- 修改base.html 中搜索输入框所在的
- <form action="{ { url_for('search') }}" method="get">
- <input name="q" type="text" placeholder="请输入关键字">
- 完成视图函数search()
- 获取搜索关键字q = request.args.get('q’)
- 条件查询qu = Question.query.filter(Question.title.contains(q)).order_by('-creat_time’)
- 加载查询结果:return render_template('index.html', question=qu)
- 组合条件查询from sqlalchemy import or_, and_
示例:
Lobby.query.filter(
or_( and_( Lobby.id == Team.lobby_id, LobbyPlayer.team_id == Team.id, LobbyPlayer.player_id == player.steamid ), and_( Lobby.id == spectator_table.c.lobby_id, spectator_table.c.player_id == player.steamid ) ))
from sqlalchemy import or_, and_
@app.route('/search/')def search(): qu = request.args.get('q') ques = Question.query.filter( or_( Question.title.contains(qu), Question.detail.contains(qu) ) ).order_by('-creat_time') return render_template('base2.html',question = ques)