实现搜索功能
- 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">
<form action="{{ url_for('search') }}" method="get"> <input type="text" placeholder="搜索从这里开始..." style="width: 180px;margin-left: auto;height: 30px;padding-left: 20px;border: 2px solid #7BA7AB;border-radius: 5px;outline: none;background: #F9F0DA;color: #9E9C9C;"> <button type="submit" name="q" style="position:absolute;top:24px;width: 60px;height: 34px;border: none;background: #7BA7AB;border-radius: 0 5px 5px 0;cursor: pointer;">查找</button> </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)
- 获取搜索关键字
- 组合条件查询
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), ) ) return render_template('index.html',questions=ques)