flask+sqlachemy 查询(转）
main.py
1# coding: utf-8
from sqlalchemy import CheckConstraint, Column, Integer, Text, or_
from sqlalchemy.schema import FetchedValue
from flask_sqlalchemy import SQLAlchemy
from flask import Flask,url_for,redirect,render_template,request,flash
import os,sys
app = Flask(__name__)
basedir = os.path.abspath(os.path.dirname(__file__))
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///test.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = True
db = SQLAlchemy(app)
class Teacher(db.Model):
__tablename__ = 'Teachers'
Id = db.Column(db.Integer, primary_key=True)
Name = db.Column(db.Text)
Age = db.Column(db.Integer)
Country = db.Column(db.Text)
def __init__(self,Name,Age,Country):
self.Name = Name
self.Age = Age
self.Country = Country
@app.route('/', methods=['GET'])
def home():
article = Teacher.query.all()
return render_template('show_article.html',article=article)
@app.route('/search')
def search():
keyword = request.args.get('keyword')
print(keyword)
result = Teacher.query.filter(or_(Teacher.Name==keyword,Teacher.Age==keyword,Teacher.Country==keyword)).all()
if result:
return render_template('show_article.html', article=result)
else:
return 'No content was found!'
if __name__ =='__main__':
app.run(port=80)
show_article.html
<!DOCTYPE HTML>
<html>
<head>
<link href="//www.w3cschool.cn/statics/plugins/bootstrapold/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<!-- Jinja模板语法 -->
<div>
<form method="GET" action="{{ url_for('search') }}" />
<input type="text" Name="keyword" />
<input type="submit" />
<span><a href="{{ url_for('home') }}">Home</a></span>
</form>
</div>
<table style="width:240px" class="table table-striped" >
<thead>
<tr >
<th style="width:120px">Name</th>
<th style="width:60px">Age</th>
<th style"width:60px">Country</th>
</tr>
</thead>
<tbody>
{% if article %}
{% for article in article%}
<tr>
<td>{{article.Name}}</td>
<td>{{article.Age}}</td>
<td>{{article.Country}}</td>
</tr>
{% endfor %}
</tbody>
{% else %}
<p>No content was found!</p>
{% endif %}
</table>
</body>
</html>
