- 准备视图函数search()
-
1 #查询 2 @app.route('/search/') 3 def 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">
1 <form action="{{ url_for('search') }}" method="get" class="navbar-form navbar-left"> 2 <input type="text" name="title" class="form-control" placeholder="请输入搜索内容"> 3 <button class="btn btn-default" type="submit"><span class="glyphicon glyphicon-search" aria-hidden="true">搜索</span></button> 4 </form>
- 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）
1 #查询 2 @app.route('/search/') 3 def search(): 4 qu=request.args.get('title') 5 ques=Question.query.filter( 6 or_( 7 Question.title.contains(qu),Question.detail.contains(qu) 8 ) #or语句,实现题目和内容都可以搜素 9 ).order_by('-create_time') #按发布时间顺序排序 10 return render_template('base.html',questions=ques)
- 获取搜索关键字
- 组合条件查询
from sqlalchemy import or_, and_
1 #查询 2 @app.route('/search/') 3 def search(): 4 qu=request.args.get('title') 5 ques=Question.query.filter(Question.title.contains(qu)).order_by('-create_time') #按发布时间顺序排序 6 return render_template('base.html',questions=ques)
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
)
)
)
https://stackoverflow.com/questions/13370993/sqlalchemy-query-and-or-issue
搜素运行结果：打出“英雄” 出现的界面
