我正在使用DataTables表来使用Flask-SQLAlchemy从mySQL显示大表。我有这个烧瓶代码
from flask import Flask, render_template, request, jsonify
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
app.config['SECRET_KEY'] = 'secretkey'
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://admin:[email protected]/test1'
db = SQLAlchemy(app)
class table1(db.Model):
__tablename__ = 'table1'
id = db.Column('id', db.Integer, primary_key=True)
first = db.Column('firstname', db.String(2))
last = db.Column('lastname', db.String(2))
def __init__(self, first, last):
self.first = first
self.last = last
pass
@property
def serialize(self):
return {
'id': self.id,
'first': self.first,
'last': self.last
}
tick = table1.query.all()
data=[i.serialize for i in tick]
# I HAVE TRIED THIS ROUTES WITH DIFFERENT APPROACH, BUT NONE WORKED FOR ME
@app.route('/tickets')
def get_tickets():
return jsonify(data)
@app.route('/users')
def get_users():
return jsonify(myData=[i.serialize for i in tick])
@app.route('/data')
def get_data():
return render_template('data.html',data=jsonify(data))
@app.route("/api/result")
def result_json():
data=dict(data=[i.serialize for i in tick])
return render_template('data.html', data=data)
它将这个有效的JSON发送到我的html:
[
{'id': 1, 'last': 'Spelec', 'first': 'Anton'},
{'id': 2, 'last': 'Pilcher', 'first': 'Rosamunde'},
{'id': 3, 'last': 'Burian', 'first': 'Vlasta'}
]
问题是,我需要在{“data”:}}中包含此代码。可以将它添加到烧瓶中的JSON吗?
当我使用return jsonify(data=[i.serialize for i in tick])
而不是return render_template('data.html', data=data)
时,我得到了结果
{"data":
[
{"first":"Anton","id":1,"last":"Spelec"},
{"first":"Rosamunde","id":2,"last":"Pilcher"},
{"first":"Vlasta","id":3,"last":"Burian"}
]
}
但如果没有render_template,则不会显示html页面。谢谢你的任何建议。
用data
密钥制作字典,例如
# Using dict function syntax
data=dict(data=[i.serialize for i in tick])
# Using dictional literal syntax
data={'data': [i.serialize for i in tick]}
然后通过data
作为render_template
中的上下文参数
...
return render_template('data.html', data=data)
这样,数据的序列化类似于您想要的JSON。