你们都对cookie都不陌生,咱们本篇文章使用requests结合cookie进行实例演示。咱们使用一个接口项目地址,由于接口项目涉及到隐私问题,因此这里接口的地址我暂时不会给你们开放,可是我会给你们演示一个总体cookie的处理流程,由于这部分在实际的接口测试中是十分重点的。你们只须要把处理cookie的流程和原理整明白了,其余的就都好说了。。。咱们接下开始干:javascript
首先呢,咱们要知道整个cookie的一个实现:css
其实cookie是一个客户端的机制,关于cookie的实现实际上是很复杂的。你们能够访问这篇文章去学习和了解:深刻理解cookie和session ok,咱们了解了什么是cookie之后在来看下面的操做。首先咱们要知道cookie的一个整个请求处理流程:html
1.发送登录请求java
2.登录成功后python
3.获取session信息并返回jquery
4.带着登录成功后的session登录后的其余接口json
在访问登录接口时,咱们先开启charles进行抓包,而后在定义一个login方法,来看代码的实现方法:bootstrap
抓取登录请求后,咱们使用requests进行编写login接口:api
import requests def login(): r = requests.post( 'http://xxxxxxx:20080/auth/login', data={"username":'system',"password":"123456"} ) return r.json() print (login())
咱们查看登录后,系统返回的结果:服务器
C:\Python35\python.exe E:/project/index.py {'code': 200} Process finished with exit code 0
很明显,返回了一个code=200的状态码,这个并非咱们须要的,咱们须要的是登录后,服务器返回的session,咱们要获取这个Session,方便咱们访问系统的其余接口,因此,这里面,咱们须要使用一个特殊的方法来获取登录系统后,服务器返回的session,继续往下看,咱们将上面的代码进行处理: r.cookies是获取服务器返回的session方法
import requests def login(): r = requests.post( 'http://xxxxxxx:20080/auth/login', data={"username":'system',"password":"123456"} ) return r.cookies print (login())
返回结果:
<RequestsCookieJar[<Cookie port=20080 for 117.39.63.66/>, <Cookie session=.eJwdjsuKwkAQRX9Fau0ibesmMIuGSJNAdxGoGKo2wmh8lMkmjsRp8d8nzvZwz-W8YH8au_sF8p_x0S1hfz1C_oLFN-SAPqyDbldIO-U2bIQOv-hrw63ceKgT68EK8SYOpYnaGKHGiopyclZ8MyGFp2h_ZS2nD0dqMmznDUkvhQyh_Xhyi-qykESDryde7fqQI7gveS3jcu_G_Hwy8_wA-akbj.DlapFg.6CIk-zQ13C3TbJ-mjjNP_tpxySw for 117.39.63.66/>]>
OK,咱们获得了服务端返回的cookies,相似这种的<Cookie session=.eJwdjsuKwkAQRX9Fau0ibesmMIuGSJNAdxGoGKo2wmh8lMkmjsRp8d8nzvZwz-W8YH 而后咱们取到session,使用的方法是:r.cookies["session"],看代码以下:
import requests def login(): r = requests.post( 'http://xxxxxxx:20080/auth/login', data={"username":'system',"password":"123456"} ) return r.cookies['session'] print (login())
返回结果以下:
.eJwdjsuKwkAQRX9Fau0ibesmMIuGSJNAdxGoGKo2wmh8lMkmjsRp8d8nzvZwz-W8YH8au_sF8p_x0S1hfz1C_oLFN-SAPqyDbldIO-U2bIQOv-hrw63ceKgT68EK8SYOpYnaGKHGiopyclZ8MyGFp2h_ZS2nD0dqMmznDUkvhQyh_Xhyi-qykESDryde7fqQ2GBx7KOyRV8N828KdE5M1QWpnptKK4XLkCplcs9I7gveS3jcu_G_Hwy8_wA-akbj.Dlaprw.y-qE1LxdvCMnz0W9B87H6Cv8W80
ok,整个cookie的获取流程咱们就到这里了。假设若是咱们不带上session,直接访问系统的其它任意一个接口,咱们来看一下是否能够呢?咱们继续定义一个方法,叫getInfo,代码以下:
import requests def login(): r = requests.post( 'http://xxxxxxx:20080/auth/login', data={"username":'system',"password":"123456"} ) return r.cookies['session'] def getInfo(): r =requests.get('http://xxxxx:20080/settings/option/cloud/data') return r.text print(getInfo())
查看返回结果:
C:\Python35\python.exe E:/project/index.py <!DOCTYPE html>
<!--[if IE 8]>
<html lang="en" class="ie8 no-js"> <![endif]-->
<!--[if IE 9]>
<html lang="en" class="ie9 no-js"> <![endif]-->
<!--[if !IE]><!-->
<html lang="en">
<!--<![endif]-->
<!-- BEGIN HEAD -->
<head>
<meta charset="utf-8" />
<title> xxxxxxxxx系统 </title>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta content="width=device-width, initial-scale=1" name="viewport" />
<meta content="" name="description" />
<meta content="" name="author" />
<!-- BEGIN GLOBAL MANDATORY STYLES -->
<link href="../static/global/plugins/font-awesome/css/font-awesome.min.css" rel="stylesheet" type="text/css" />
<link href="../static/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
<link href="../static/global/plugins/uniform/css/uniform.default.css" rel="stylesheet" type="text/css" />
<!-- BEGIN PAGE LEVEL STYLES -->
<link href="../static/pages/css/login-1.min.css" rel="stylesheet" type="text/css" />
<!-- END PAGE LEVEL STYLES -->
<!-- BEGIN THEME LAYOUT STYLES -->
<!-- END THEME LAYOUT STYLES -->
<link rel="shortcut icon" href="/static/img/favicon.ico" /> </head>
<!-- END HEAD -->
<body class=" login">
<div id="wrapper">
<div class="login_box">
<form class="login-form" action="/auth/login" method="post" onsubmit="return false;">
<div class="alert alert-danger display-hide" style="display: none">
<button class="close" data-close="alert"></button>
<span> 请输入用户名密码. </span>
</div>
<div class="login_right">
<div class="login_wrapper">
<div class="park_icon">
<div class="left">
<img src="/static/img/login_icon.png" alt="">
</div>
<div class="right">
<img src="/static/img/login_text.png" alt="">
</div>
</div>
<div class="title"> xxxxxxxxxx
系统 </div> <div class="input_box"> <div class="form-group"> <div class="input-icon"> <input class="form_login" type="text" placeholder="用户名" name="username" /> </div> </div> <div class="form-group"> <div class="input-icon"> <input class="form_login" type="password" placeholder="密码" name="password" /> </div> </div> </div> <button type="submit" class="btn white pull-right"> 登陆 </button> </div> </div> </form> </div> </div> <script src="../static/global/plugins/jquery.min.js" type="text/javascript"></script> <script src="../static/global/plugins/bootstrap/js/bootstrap.min.js" type="text/javascript"></script> <script src="../static/global/plugins/uniform/jquery.uniform.min.js" type="text/javascript"></script> <!-- END CORE PLUGINS --> <!-- BEGIN PAGE LEVEL PLUGINS --> <script src="../static/global/plugins/jquery-validation/js/jquery.validate.min.js" type="text/javascript"></script> <script src="../static/global/plugins/jquery-validation/js/additional-methods.min.js" type="text/javascript"></script> <!-- END PAGE LEVEL PLUGINS --> <!-- BEGIN THEME GLOBAL SCRIPTS --> <script src="../static/global/scripts/app.min.js" type="text/javascript"></script> <!-- END THEME GLOBAL SCRIPTS --> <!-- BEGIN PAGE LEVEL SCRIPTS --> <script type="text/javascript"> jQuery(document).ready(function() { $(".login-form").validate({ errorElement: "span", errorClass: "help-block", focusInvalid: !1, rules: { username: { required: !0 }, password: { required: !0 }, remember: { required: !1 } }, messages: { username: { required: "用户名不能为空." }, password: { required: "密码不能为空." } }, invalidHandler: function(e, r) { $(".alert-danger span").text("请输入用户名密码."); $(".alert-danger", $(".login-form")).show() }, highlight: function(e) { $(e).closest(".form-group").addClass("has-error") }, success: function(e) { e.closest(".form-group").removeClass("has-error"), e.remove() }, errorPlacement: function(e, r) { e.insertAfter(r.closest(".input-icon")) }, submitHandler: function(e) { $('button').html('正在登陆...').css('opacity', '0.5').css('cursor', 'progress'); $('#username, #password').attr('disabled', 'disabled'); var postData = $(e).serialize(); $.post("/auth/login", postData, function(data) { if (data.code == 200) { window.location.href = "/"; } else { $(".alert-danger span").text(data.err_msg); $(".alert-danger", $(".login-form")).show(); $('button').html('登陆').css('opacity', '1').css('cursor', 'pointer'); $('#username, #password').removeAttr('diabled'); } }); return false; } }); $(".login-form input").keypress(function(e) { return 13 == e.which ? ($(".login-form").validate().form() && $(".login-form").submit(), !1) : void 0 }); }); </script> </body> </html> Process finished with exit code 0
答案显而易见,咱们没有登陆成功,因此这个接口咱们是没法访问的.这时候咱们就要带上session来访问咱们刚刚的接口了,咱们继续来看 加上session后的整个代码的处理:
import requests def login(): r = requests.post( 'http://117.39.xxxx/auth/login', data={"username":'system',"password":"123456"} ) return r.cookies['session'] def getInfo(): r =requests.get('http://117.39.xxxxx/settings/option/cloud/data', cookies={"session":login()}) #增长session return r.json() print(getInfo())
查看返回的结果:
{'code': 200, 'data': {'cloud_ip': {'value': 'sc.parkingwang.com'}, 'waiting_enable_flag': {'value': '0'}, 'parkno_type': {'value': 0}, 'terminal_operator': {'value': '192.168.199.1'}, 'total_full_limit_type': {'value': '1'}, 'tmp_full_limit_flag': {'value': '0'}, 'cloud_port': {'value': '9001'}, 'arm_no': {'value': '7100000005'}, 'connected': {'value': '1'}, 'pic_upload': {'value': '1'}, 'cloud_url': {'value': 'http://api.com/picupload/'}, 'auth_car_waiting_enable_flag': {'value': '0'}, 'fixed_full_limit_flag': {'value': '0'}}}
很明显,咱们登陆成功了,系统的接口也访问成功了。