使用使用Python & Flask 实现实现RESTful Web API的实例的实例
环境安装：环境安装：
sudo pip install flask
Flask 是一个Python的微服务的框架，基于Werkzeug, 一个 WSGI 类库。
Flask 优点:
Written in Python (that can be an advantage);
Simple to use;
Flexible;
Multiple good deployment options;
RESTful request dispatching
RESOURCES
一个响应 /articles 和 /articles/:id的 API 服务：
from flask import Flask, url_for
app = Flask(__name__)
@app.route('/')
def api_root():
return 'Welcome'
@app.route('/articles')
def api_articles():
return 'List of ' + url_for('api_articles')
@app.route('/articles/<articleid>')
def api_article(articleid):
return 'You are reading ' + articleid
if __name__ == '__main__':
app.run()
请求：
curl http://127.0.0.1:5000/
响应：
GET /
Welcome
GET /articles
List of /articles
GET /articles/123
You are reading 123
REQUESTS
GET Parameters
from flask import request
@app.route('/hello')
def api_hello():
if 'name' in request.args:
return 'Hello ' + request.args['name'] else:
return 'Hello John Doe'
请求：
GET /hello
Hello John Doe
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