Python-flask Framework uses Flask_mongoengine

Development environment Configuration

Before using MongoDB, you need to install Pymongo, and Flask_mongoengine

1. Switch to the VIRTUALENV environment    ./pyenv/bin/activate    2. Install Pymongo    pip install Pymongo3. Install Flask_mongoengine    pip Install Flask_mongoengine

　　

Writing model

models.py, the code is as follows

From Flask_mongoengine import mongoengine#--#进行配置app. config[' mongodb_settings '] = {    ' db '    : ' The_way_to_flask ',    ' host '  : ' localhost ',    ' Port '  : 27017} # Create MONGO prototype MDB = Mongoengine () Mdb.init_app (APP) class Address (MDB. Document):    name = mdb. Stringfield ()    address = mdb. Stringfield ()        # query Address.objects (name= "Zhangsan"). First ()    # Add Address (name= ' Lisi ', address= ' [email Protected]. Save ()    # Delete Address.delete ()    # update address.update (name= "[email protected]")

　　

Writing a View

views.py, the code is as follows

From models import addressfrom flask import jsonify#--@app. Route ('/mdb_list ', methods=[' get ') def mdb_list ():    name = Request.args.get (' name ')    address = request.args.get (' address ')    Addr = address.objects (name=name,address= Address). First ()    if not Addr:        address (Name=name, address=address). Save ()        return jsonify ({' Code ': 1, ' Message ': ' Success '} '    else:        return jsonify (Addr.to_json ())

　　

Python-flask Framework uses Flask_mongoengine