from flask import Flask, request, jsonify
import json

app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello World!'

#HTTP POST with application/x-www-form-urlencoded
@app.route('/login', methods=['POST'])
def login():
    user = request.form.get('username')
    pwd = request.form.get('passwd')
    if user == 'abc' and pwd == '123':
        return jsonify({'status':'ok'})
    else:
        return jsonify({'status':'bad'})


#HTTP POST with application/json
@app.route('/login2', methods=['POST'])
def login2():
    data = request.get_data()
    json_data = json.loads(data.decode("utf-8"))
    if 'username' in json_data :
       user = json_data['username']
    if 'passwd' in json_data :
       pwd = json_data['passwd']
    if user == 'abc' and pwd == '123':
        return jsonify({'status':'ok'})
    else:
        return jsonify({'status':'bad'})

#HTTP GET
@app.route('/info', methods=['GET'])
def info():
    id = request.args["id"]
    if id == 'abc' :
        return jsonify({'status':'ok'})
    else:
        return jsonify({'status':'bad'})

if __name__ == '__main__':
    app.run(host='0.0.0.0',
      port= 3000)

使用curl命令进行测试
curl -v -d "username=abc&passwd=123" http://127.0.0.1:3000/login
curl -v -H "Content-Type:application/json" -X POST --data "{\"username\":\"abc\",\"passwd\":\"123\"}" http://127.0.0.1:3000/login2
curl -v "http://127.0.0.1:3000/info?id=abc"