实现搜索功能
1、准备视图函数search()
2、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">
3、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_
@app.route('/search/') def search(): qu = request.args.get('search') ques = Question.query.filter( or_( Question.question.contains(qu), Question.questionDetail.contains(qu) ) ).order_by('creat_time') return render_template('index.html',questions = ques)
<form action="{{ url_for('search') }}" method="get"> <li><input type="text"id="search" class="form-control" name="search"placeholder="请输入搜索内容" ></li> <li><button id="button1"type="submit">搜索</button></li> </form>