pythone函数基础（15）接口开发初识

导入需要的第三方模块

import flask
import tools
import json,redis
import random

server = flask.Flask(__name__)
#新建一个服务，把当前这个python文件当做一个服务

ip = '118.24.3.40'
password='HK139bc&*'
r = redis.Redis(host=ip,password=password,port=6379,db=10,
                decode_responses=True)#连接redis

@server.route('/login',methods=['get'])
def hello():
    uname = flask.request.values.get('username')
    pd = flask.request.values.get('passwd')
    # sql = 'select * from app_myuser where username="%s"'%uname
    # res = tools.my_db(sql)
    key='nhy:%s'%uname
    res = r.get(key)
    if res:
        res = json.loads(res)
        if tools.my_md5(pd) == res.get('passwd'):
            res = {"code":0,"msg":"登录成功！"}
        else:
            res = {"code":1,"msg":"密码错误！"}
    else:
        res = {'code':2,"msg":"用户不存在"}
    return json.dumps(res,ensure_ascii=False,indent=4)
@server.route('/reg',methods=['post'])
def reg():
    uname = flask.request.values.get('username')
    pd = flask.request.values.get('passwd')
    cpd = flask.request.values.get('cpwd')
    key='nhy:%s'%uname
    res = r.get(key)
    if res:
        res = {'code': 2, "msg": "用户已存在"}
    else:
        md5_password  = tools.my_md5(pd)
        res = {'id':random.randint(100,9999),'username':uname,'passwd':md5_password,'is_admin':1}
        r.set('nhy:%s'%uname,json.dumps(res))#
        res = {"code":0,"msg":"注册成功！"}
    return json.dumps(res,ensure_ascii=False,indent=4)

@server.route('/api/stu')
def get_stu():
    username = flask.request.values.get('name')#默认get不到的话，返回的值就是None
    age = flask.request.values.get('age')
    if username and age:
        sql = "select * from app_student where name='%s' and age='%s'" % (username, age)
    elif not username and age:
        sql = "select * from app_student where age='%s'" % age
    elif username and not age:
        sql = "select * from app_student where name='%s'" % username
    else:
        sql = "select * from app_student"
    res = tools.my_db2(sql)
    return json.dumps(res,ensure_ascii=False,indent=4)

server.run(host='0.0.0.0',port=8999,debug=True)
#ip:8000/login
#127.0.0.1