文件存储-搜索导航栏-搜索接口-搜索页面-支付宝支付介绍-支付宝二次封装-订单表设计-下单接口-前端支付页面-支付成功回调
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目录
文件存储-搜索导航栏-搜索接口-搜索页面-支付宝支付介绍-支付宝二次封装-订单表设计-下单接口-前端支付页面-支付成功回调
今日内容详细
1 文件存储
# 视频文件 存储到某个位置 如果放在自己服务器上
放在项目的media文件夹
服务器上线后 用户既要访问接口 又要看视频 都是一个域名端口
分开:文件单独放在文件服务器上 文件服务器带宽很高
# 文件服务器:专门存储文件的服务器
第三方:
阿里云:对象存储 oss
腾讯对象存储
七牛云存储
自己搭建:
fastdfs:文件对象存储 https://zhuanlan.zhihu.com/p/372286804
minio:
# python 如何把文件传到上面
对应sdk
# 七牛云存储
使用代码 上传视频
两种方案
前端---> 传到咱们的服务器---> 在服务端再传入到七牛云
1.0 七牛云申请存储空间
# 文件管理---> 上传文件---> 选择文件---> 等待上传即可
1.1 七牛云上传文件
from qiniu import Auth,put_file
q = Auth(\'\',\'\')
# 要上传的空间
bucket_name = \'lqz\'
# 上传后保存的文件名
key = \'致命诱惑.mp4\'
# 生成上传 Token,可以指定过期时间等
token = q.upload_token(bucket_name, key, 3600)
# 要上传文件的本地路径
localfile = \'./致命诱惑.mp4\'
ret, info = put_file(token, key, localfile, version=\'v2\')
print(info)
2 搜索导航栏
# 前端 Header 组件上有个搜索框---> 输入内容 搜索---> 后端搜索接口
# 所有商城类的网站 app 都会有搜索功能 其实搜索功能非常复杂且技术含量高
咱们目前只是简单的搜索 输入课程名字 价格 就可以把实战课搜出来
输入:课程名字 价格 把所有类型课程都搜出来(查询多个表)
之后有专门的搜索引擎:分布式全文搜索引擎 es 做专门的搜索
# 前端搜索结果呈现画面
2.1 Header.vue
// template最下边插入 这个是页面布局
<form class="search">
<div class="tips" v-if="is_search_tip">
<span @click="search_action(\'Python\')">Python</span>
<span @click="search_action(\'Linux\')">Linux</span>
</div>
<input type="text" :placeholder="search_placeholder" @focus="on_search" @blur="off_search" v-model="search_word">
<button type="button" class="glyphicon glyphicon-search" @click="search_action(search_word)">搜索</button>
</form>
// data中加入 所需的数据
is_search_tip: true,
search_placeholder: \'\',
search_word: \'\'
// methods中加入 事件
search_action(search_word)
console.log(search_word)
if (!search_word)
this.$message(\'请输入要搜索的内容\');
return
if (search_word !== this.$route.query.word)
this.$router.push(`/course/search?word=$search_word`);
this.search_word = \'\';
,
on_search()
this.search_placeholder = \'请输入想搜索的课程\';
this.is_search_tip = false;
,
off_search()
this.search_placeholder = \'\';
this.is_search_tip = true;
,
// <style scoped> 中加入样式
.search
float: right;
position: relative;
margin-top: 22px;
margin-right: 10px;
.search input, .search button
border: none;
outline: none;
background-color: white;
.search input
border-bottom: 1px solid #eeeeee;
.search input:focus
border-bottom-color: orange;
.search input:focus + button
color: orange;
.search .tips
position: absolute;
bottom: 3px;
left: 0;
.search .tips span
border-radius: 11px;
background-color: #eee;
line-height: 22px;
display: inline-block;
padding: 0 7px;
margin-right: 3px;
cursor: pointer;
color: #aaa;
font-size: 14px;
.search .tips span:hover
color: orange;
<template>
<div class="header">
<div class="slogan">
<p>老男孩IT教育 | 帮助有志向的年轻人通过努力学习获得体面的工作和生活</p>
</div>
<div class="nav">
<ul class="left-part">
<li class="logo">
<router-link to="/">
<img src="../assets/img/head-logo.svg" >
</router-link>
</li>
<li class="ele">
<span @click="goPage(\'/free-course\')" :class="active: url_path === \'/free-course\'">免费课</span>
</li>
<li class="ele">
<span @click="goPage(\'/actual-course\')" :class="active: url_path === \'/actual-course\'">实战课</span>
</li>
<li class="ele">
<span @click="goPage(\'/light-course\')" :class="active: url_path === \'/light-course\'">轻课</span>
</li>
</ul>
<div class="right-part">
<div v-if="!username">
<span @click="put_login">登录</span>
<span class="line">|</span>
<span @click="put_register">注册</span>
</div>
<div v-else>
<span> username </span>
<span class="line">|</span>
<span>注销</span>
</div>
</div>
</div>
<Login v-if="is_login" @close="close_login" @go="put_register" @success="success_login"/>
<Register v-if="is_register" @close="close_register" @go="put_login" @success="success_register"/>
<form class="search">
<div class="tips" v-if="is_search_tip">
<span @click="search_action(\'Python\')">Python</span>
<span @click="search_action(\'Linux\')">Linux</span>
</div>
<input type="text" :placeholder="search_placeholder" @focus="on_search" @blur="off_search" v-model="search_word">
<button type="button" class="glyphicon glyphicon-search" @click="search_action(search_word)">搜索</button>
</form>
</div>
</template>
<script>
import Login from "@/components/Login";
import Register from "@/components/Register";
export default
name: "Header",
data()
return
// 当前所在路径,去sessionStorage取的,如果取不到,就是 /
url_path: sessionStorage.url_path || \'/\',
is_login: false,
is_register: false,
username: this.$cookies.get(\'username\'),
token: this.$cookies.get(\'token\'),
is_search_tip: true,
search_placeholder: \'\',
search_word: \'\'
,
methods:
search_action(search_word)
console.log(search_word)
if (!search_word)
this.$message(\'请输入要搜索的内容\');
return
if (search_word !== this.$route.query.word)
this.$router.push(`/course/search?word=$search_word`);
this.search_word = \'\';
,
on_search()
this.search_placeholder = \'请输入想搜索的课程\';
this.is_search_tip = false;
,
off_search()
this.search_placeholder = \'\';
this.is_search_tip = true;
,
goPage(url_path)
// 已经是当前路由就没有必要重新跳转
if (this.url_path !== url_path)
this.$router.push(url_path);
sessionStorage.url_path = url_path;
,
put_login()
this.is_login = true;
this.is_register = false;
,
put_register()
this.is_login = false;
this.is_register = true;
,
close_login()
this.is_login = false;
,
close_register()
this.is_register = false;
,
success_login()
this.is_login = false;
this.username = this.$cookies.get(\'username\')
this.token = this.$cookies.get(\'token\')
,
success_register()
this.is_login = true
this.is_register = false
,
created()
// 组件加载万成,就取出当前的路径,存到sessionStorage this.$route.path
sessionStorage.url_path = this.$route.path;
// 把url_path = 当前路径
this.url_path = this.$route.path;
,
components:
Login,
Register
</script>
<style scoped>
.search
float: right;
position: relative;
margin-top: 22px;
margin-right: 10px;
.search input, .search button
border: none;
outline: none;
background-color: white;
.search input
border-bottom: 1px solid #eeeeee;
.search input:focus
border-bottom-color: orange;
.search input:focus + button
color: orange;
.search .tips
position: absolute;
bottom: 3px;
left: 0;
.search .tips span
border-radius: 11px;
background-color: #eee;
line-height: 22px;
display: inline-block;
padding: 0 7px;
margin-right: 3px;
cursor: pointer;
color: #aaa;
font-size: 14px;
.search .tips span:hover
color: orange;
.header
background-color: white;
box-shadow: 0 0 5px 0 #aaa;
.header:after
content: "";
display: block;
clear: both;
.slogan
background-color: #eee;
height: 40px;
.slogan p
width: 1200px;
margin: 0 auto;
color: #aaa;
font-size: 13px;
line-height: 40px;
.nav
background-color: white;
user-select: none;
width: 1200px;
margin: 0 auto;
.nav ul
padding: 15px 0;
float: left;
.nav ul:after
clear: both;
content: \'\';
display: block;
.nav ul li
float: left;
.logo
margin-right: 20px;
.ele
margin: 0 20px;
.ele span
display: block;
font: 15px/36px \'微软雅黑\';
border-bottom: 2px solid transparent;
cursor: pointer;
.ele span:hover
border-bottom-color: orange;
.ele span.active
color: orange;
border-bottom-color: orange;
.right-part
float: right;
.right-part .line
margin: 0 10px;
.right-part span
line-height: 68px;
cursor: pointer;
</style>
3 搜索接口
# 搜索接口:get请求---> /course/search/---> 要搜索的条件通过问号拼接在后面
##### 路由
router.register(\'search\', views.SearchCourseView, \'search\')
#### 视图类
class SearchCourseView(GenericViewSet, CommonListModelMixin):
# 只有实战课
queryset = Course.objects.filter(is_delete=False, is_show=True).order_by(\'orders\')
serializer_class = CourseSerializer
filter_backends = [SearchFilter, ]
search_fields = [\'name\', \'price\']
pagination_class = PageNumberPagination
# 补充:正常如果有多个课程 这个每个接口都要搜索返回 需要重写list
# def list(self, request, *args, **kwargs):
# res = super(SearchCourseView, self).list(request, *args, **kwargs)
# actual_course = res.data
# # 免费课 自己写
# free_course = [, ]
# # 轻课,自己写
# light_course=[,,]
# return APIResponse(actual_course=actual_course,free_course=free_course,light_course=light_course)
# 返回到前端的格式code:100,msg:成功,actual_course:[],free_course:[],light_course:[]
4 搜索页面
<template>
<div class="search-course course">
<Header/>
<!-- 课程列表 -->
<div class="main">
<div v-if="course_list.length > 0" class="course-list">
<div class="course-item" v-for="course in course_list" :key="course.name">
<div class="course-image">
<img :src="course.course_img" >
</div>
<div class="course-info">
<h3>
<router-link :to="\'/free/detail/\'+course.id"> course.name </router-link>
<span><img src="@/assets/img/avatar1.svg" > course.students 人已加入学习</span></h3>
<p class="teather-info">
course.teacher.name course.teacher.title course.teacher.signature
<span
v-if="course.sections>course.pub_sections">共 course.sections 课时/已更新 course.pub_sections 课时</span>
<span v-else>共 course.sections 课时/更新完成</span>
</p>
<ul class="section-list">
<li v-for="(section, key) in course.section_list" :key="section.name"><span
class="section-title">0 key + 1 | section.name </span>
<span class="free" v-if="section.free_trail">免费</span></li>
</ul>
<div class="pay-box">
<div v-if="course.discount_type">
<span class="discount-type"> course.discount_type </span>
<span class="discount-price">¥ course.real_price 元</span>
<span class="original-price">原价: course.price 元</span>
</div>
<span v-else class="discount-price">¥ course.price 元</span>
<span class="buy-now">立即购买</span>
</div>
</div>
</div>
</div>
<div v-else >
没有搜索结果
</div>
<div class="course_pagination block">
<el-pagination
@size-change="handleSizeChange"
@current-change="handleCurrentChange"
:current-page.sync="filter.page"
:page-sizes="[2, 3, 5, 10]"
:page-size="filter.page_size"
layout="sizes, prev, pager, next"
:total="course_total">
</el-pagination>
</div>
</div>
</div>
</template>
<script>
import Header from \'../components/Header\'
export default
name: "SearchCourse",
components:
Header,
,
data()
return
course_list: [],
course_total: 0,
filter:
page_size: 10,
page: 1,
search: \'\',
,
created()
this.get_course()
,
watch:
\'$route.query\'()
this.get_course()
,
methods:
handleSizeChange(val)
// 每页数据量发生变化时执行的方法
this.filter.page = 1;
this.filter.page_size = val;
,
handleCurrentChange(val)
// 页码发生变化时执行的方法
this.filter.page = val;
,
get_course()
// 获取搜索的关键字
this.filter.search = this.$route.query.word || this.$route.query.wd;
// 获取课程列表信息
this.$axios.get(`$this.$settings.BASE_URL/course/search/`,
params: this.filter
).then(response =>
console.log(response)
// 如果后台不分页,数据在response.data中;如果后台分页,数据在response.data.results中
this.course_list = response.data.data.results;
this.course_total = response.data.data.count;
).catch(() =>
this.$message(
message: "获取课程信息有误,请联系客服工作人员"
)
)
</script>
<style scoped>
.course
background: #f6f6f6;
.course .main
width: 1100px;
margin: 35px auto 0;
.course .condition
margin-bottom: 35px;
padding: 25px 30px 25px 20px;
background: #fff;
border-radius: 4px;
box-shadow: 0 2px 4px 0 #f0f0f0;
.course .cate-list
border-bottom: 1px solid #333;
border-bottom-color: rgba(51, 51, 51, .05);
padding-bottom: 18px;
margin-bottom: 17px;
.course .cate-list::after
content: "";
display: block;
clear: both;
.course .cate-list li
float: left;
font-size: 16px;
padding: 6px 15px;
line-height: 16px;
margin-left: 14px;
position: relative;
transition: all .3s ease;
cursor: pointer;
color: #4a4a4a;
border: 1px solid transparent; /* transparent 透明 */
.course .cate-list .title
color: #888;
margin-left: 0;
letter-spacing: .36px;
padding: 0;
line-height: 28px;
.course .cate-list .this
color: #ffc210;
border: 1px solid #ffc210 !important;
border-radius: 30px;
.course .ordering::after
content: "";
display: block;
clear: both;
.course .ordering ul
float: left;
.course .ordering ul::after
content: "";
display: block;
clear: both;
.course .ordering .condition-result
float: right;
font-size: 14px;
color: #9b9b9b;
line-height: 28px;
.course .ordering ul li
float: left;
padding: 6px 15px;
line-height: 16px;
margin-left: 14px;
position: relative;
transition: all .3s ease;
cursor: pointer;
color: #4a4a4a;
.course .ordering .title
font-size: 16px;
color: #888;
letter-spacing: .36px;
margin-left: 0;
padding: 0;
line-height: 28px;
.course .ordering .this
color: #ffc210;
.course .ordering .price
position: relative;
.course .ordering .price::before,
.course .ordering .price::after
cursor: pointer;
content: "";
display: block;
width: 0px;
height: 0px;
border: 5px solid transparent;
position: absolute;
right: 0;
.course .ordering .price::before
border-bottom: 5px solid #aaa;
margin-bottom: 2px;
top: 2px;
.course .ordering .price::after
border-top: 5px solid #aaa;
bottom: 2px;
.course .ordering .price_up::before
border-bottom-color: #ffc210;
.course .ordering .price_down::after
border-top-color: #ffc210;
.course .course-item:hover
box-shadow: 4px 6px 16px rgba(0, 0, 0, .5);
.course .course-item
width: 1100px;
background: #fff;
padding: 20px 30px 20px 20px;
margin-bottom: 35px;
border-radius: 2px;
cursor: pointer;
box-shadow: 2px 3px 16px rgba(0, 0, 0, .1);
/* css3.0 过渡动画 hover 事件操作 */
transition: all .2s ease;
.course .course-item::after
content: "";
display: block;
clear: both;
/* 顶级元素 父级元素 当前元素 */
.course .course-item .course-image
float: left;
width: 423px;
height: 210px;
margin-right: 30px;
.course .course-item .course-image img
max-width: 100%;
max-height: 210px;
.course .course-item .course-info
float: left;
width: 596px;
.course-item .course-info h3 a
font-size: 26px;
color: #333;
font-weight: normal;
margin-bottom: 8px;
.course-item .course-info h3 span
font-size: 14px;
color: #9b9b9b;
float: right;
margin-top: 14px;
.course-item .course-info h3 span img
width: 11px;
height: auto;
margin-right: 7px;
.course-item .course-info .teather-info
font-size: 14px;
color: #9b9b9b;
margin-bottom: 14px;
padding-bottom: 14px;
border-bottom: 1px solid #333;
border-bottom-color: rgba(51, 51, 51, .05);
.course-item .course-info .teather-info span
float: right;
.course-item .section-list::after
content: "";
display: block;
clear: both;
.course-item .section-list li
float: left;
width: 44%;
font-size: 14px;
color: #666;
padding-left: 22px;
/* background: url("路径") 是否平铺 x轴位置 y轴位置 */
background: url("/src/assets/img/play-icon-gray.svg") no-repeat left 4px;
margin-bottom: 15px;
.course-item .section-list li .section-title
/* 以下3句,文本内容过多,会自动隐藏,并显示省略符号 */
text-overflow: ellipsis;
overflow: hidden;
white-space: nowrap;
display: inline-block;
max-width: 200px;
.course-item .section-list li:hover
background-image: url("/src/assets/img/play-icon-yellow.svg");
color: #ffc210;
.course-item .section-list li .free
width: 34px;
height: 20px;
color: #fd7b4d;
vertical-align: super;
margin-left: 10px;
border: 1px solid #fd7b4d;
border-radius: 2px;
text-align: center;
font-size: 13px;
white-space: nowrap;
.course-item .section-list li:hover .free
color: #ffc210;
border-color: #ffc210;
.course-item
position: relative;
.course-item .pay-box
position: absolute;
bottom: 20px;
width: 600px;
.course-item .pay-box::after
content: "";
display: block;
clear: both;
.course-item .pay-box .discount-type
padding: 6px 10px;
font-size: 16px;
color: #fff;
text-align: center;
margin-right: 8px;
background: #fa6240;
border: 1px solid #fa6240;
border-radius: 10px 0 10px 0;
float: left;
.course-item .pay-box .discount-price
font-size: 24px;
color: #fa6240;
float: left;
.course-item .pay-box .original-price
text-decoration: line-through;
font-size: 14px;
color: #9b9b9b;
margin-left: 10px;
float: left;
margin-top: 10px;
.course-item .pay-box .buy-now
width: 120px;
height: 38px;
background: transparent;
color: #fa6240;
font-size: 16px;
border: 1px solid #fd7b4d;
border-radius: 3px;
transition: all .2s ease-in-out;
float: right;
text-align: center;
line-height: 38px;
position: absolute;
right: 0;
bottom: 5px;
.course-item .pay-box .buy-now:hover
color: #fff;
background: #ffc210;
border: 1px solid #ffc210;
.course .course_pagination
margin-bottom: 60px;
text-align: center;
</style>
5 支付宝支付介绍
# 立即购买功能 点击立即购买按钮 使用支付宝支付
# 支付宝支付
测试环境:大家都可以测试
https://openhome.alipay.com/develop/sandbox/app
正式环境:申请有营业执照
咱们做不了
# 开发虽然用的沙箱环境 后期上线 公司会自己注册 注册成功后有个商户id号 作为开发 只要有商户id号 其他步骤都是一样的 所以无论开发还是测试 代码都一样 只有商户号不一样
# 支付流程
# 使用支付宝支付
API接口
SDK:优先使用 早期 支付宝没有python的sdk 后期有了
使用了第三方sdk
第三方通过api接口 使用python封装了sdk 开源了出来
# 沙箱环境
安卓的支付宝app 付款用的---> 买家用
扫码使用这个app 付款 这个app的钱都是假的 付款键测试商户(卖家)
5.1 支付测试 生成支付链接
# https://github.com/fzlee/alipay
# 安装
pip install python-alipay-sdk
# 生成公钥私钥---> 非对称加密
使用支付宝提供的工具:https://opendocs.alipay.com/common/02kipl
就可以生成公钥私钥
生成的公钥---> 配置在支付宝的网站上(沙箱环境)---> 生成一个支付宝公钥---> 以后使用这个支付宝公钥
# 支付宝公钥 应用私钥---> 放到项目中
-pub.pem
-pri.pem
# 测试代码
from alipay import AliPay
from alipay.utils import AliPayConfig
app_private_key_string = open("./pri.pem").read()
alipay_public_key_string = open("./pub.pem").read()
alipay = AliPay(
appid="2016092000554611",
app_notify_url=None, # 默认回调 url
app_private_key_string=app_private_key_string,
# 支付宝的公钥,验证支付宝回传消息使用,不是你自己的公钥,
alipay_public_key_string=alipay_public_key_string,
sign_type="RSA2", # RSA 或者 RSA2
debug=False, # 默认 False
verbose=False, # 输出调试数据
config=AliPayConfig(timeout=15) # 可选,请求超时时间
)
res=alipay.api_alipay_trade_page_pay(subject=\'性感内衣\', out_trade_no=\'asdas23sddfsasf\', total_amount=\'999\')
print(\'https://openapi.alipaydev.com/gateway.do?\'+res)
6 支付宝二次封装
6.1 目录结构
libs
├── iPay # aliapy二次封装包
│ ├── __init__.py # 包文件
│ ├── pem # 公钥私钥文件夹
│ │ ├── alipay_public_key.pem # 支付宝公钥文件
│ │ ├── app_private_key.pem # 应用私钥文件
│ ├── pay.py # 支付文件
└── └── settings.py # 应用配置
init.py
from .pay import alipay
from .settings import GATEWAY
pay.py
from alipay import AliPay
from alipay.utils import AliPayConfig
from . import settings
alipay = AliPay(
appid=settings.APP_ID,
app_notify_url=None, # 默认回调 url
app_private_key_string=settings.APP_PRIVATE_KEY_STRING,
# 支付宝的公钥,验证支付宝回传消息使用,不是你自己的公钥,
alipay_public_key_string=settings.ALIPAY_PUBLIC_KEY_STRING,
sign_type=settings.SIGN, # RSA 或者 RSA2
debug=settings.DEBUG, # 默认 False
verbose=settings.DEBUG, # 输出调试数据
config=AliPayConfig(timeout=15) # 可选,请求超时时间
)
settings.py
import os
# 应用私钥
APP_PRIVATE_KEY_STRING = open(os.path.join(os.path.dirname(os.path.abspath(__file__)), \'pem\', \'app_private_key.pem\')).read()
# 支付宝公钥
ALIPAY_PUBLIC_KEY_STRING = open(os.path.join(os.path.dirname(os.path.abspath(__file__)), \'pem\', \'alipay_public_key.pem\')).read()
# 应用ID
APP_ID = \'2016092000554611\'
# 加密方式
SIGN = \'RSA2\'
# 是否是支付宝测试环境(沙箱环境),如果采用真是支付宝环境,配置False
DEBUG = True
# 支付网关
GATEWAY = \'https://openapi.alipaydev.com/gateway.do?\' if DEBUG else \'https://openapi.alipay.com/gateway.do?\'
7 订单表设计
# 订单板块需要写的接口
-下单接口---》没有支付是订单是待支付状态
-支付宝post回调接口---》修改订单状态成已支付
-前端get回调接口(暂时先不关注)
# 订单板块表设计
-订单表
-订单详情表
# 新建order 的app,在models.py中写入表
from django.db import models
from django.db import models
from user.models import User
from course.models import Course
class Order(models.Model):
"""订单模型"""
status_choices = (
(0, \'未支付\'),
(1, \'已支付\'),
(2, \'已取消\'),
(3, \'超时取消\'),
)
pay_choices = (
(1, \'支付宝\'),
(2, \'微信支付\'),
)
# 订单标题
subject = models.CharField(max_length=150, verbose_name="订单标题")
# 订单总价格
total_amount = models.DecimalField(max_digits=10, decimal_places=2, verbose_name="订单总价", default=0)
# 订单号,咱们后端生成的,唯一:后期支付宝回调回来的数据会带着这个订单号,根据这个订单号修改订单状态
# 使用什么生成? uuid(可能重复,概率很多) 【分布式id的生成】 雪花算法
out_trade_no = models.CharField(max_length=64, verbose_name="订单号", unique=True)
# 流水号:支付宝生成的,回调回来,会带着
trade_no = models.CharField(max_length=64, null=True, verbose_name="流水号")
# 订单状态
order_status = models.SmallIntegerField(choices=status_choices, default=0, verbose_name="订单状态")
# 支付类型,目前只有支付宝
pay_type = models.SmallIntegerField(choices=pay_choices, default=1, verbose_name="支付方式")
# 支付时间---》支付宝回调回来,会带着
pay_time = models.DateTimeField(null=True, verbose_name="支付时间")
# 跟用户一对多 models.DO_NOTHING
user = models.ForeignKey(User, related_name=\'order_user\', on_delete=models.DO_NOTHING, db_constraint=False,
verbose_name="下单用户")
created_time = models.DateTimeField(auto_now_add=True, verbose_name=\'创建时间\')
class Meta:
db_table = "luffy_order"
verbose_name = "订单记录"
verbose_name_plural = "订单记录"
def __str__(self):
return "%s - ¥%s" % (self.subject, self.total_amount)
class OrderDetail(models.Model):
"""订单详情"""
# related_name 反向查询替换表名小写_set
# on_delete 级联删除
# db_constraint=False ----》默认是True,会在表中为Order何OrderDetail创建外键约束
# db_constraint=False 没有外键约束,插入数据 速度快, 可能会产生脏数据【不合理】,所以咱们要用程序控制,以后公司惯用的
# 对到数据库上,它是不建立外键,基于对象的跨表查,基于连表的查询,继续用,跟之前没有任何区别
order = models.ForeignKey(Order, related_name=\'order_courses\', on_delete=models.CASCADE, db_constraint=False,
verbose_name="订单")
course = models.ForeignKey(Course, related_name=\'course_orders\', on_delete=models.DO_NOTHING, db_constraint=False,
verbose_name="课程")
price = models.DecimalField(max_digits=6, decimal_places=2, verbose_name="课程原价")
real_price = models.DecimalField(max_digits=6, decimal_places=2, verbose_name="课程实价")
class Meta:
db_table = "luffy_order_detail"
verbose_name = "订单详情"
verbose_name_plural = "订单详情"
def __str__(self):
try:
return "%s的订单:%s" % (self.course.name, self.order.out_trade_no)
except:
return super().__str__()
\'\'\'
ForeignKey 中on_delete
-CASCADE 级联删除
-DO_NOTHING 啥都不做,没有外键约束才能用它
-SET_NULL 字段置为空,字段 null=True
-SET_DEFAULT 设置为默认值,default=\'xx\'
-PROTECT 受保护的,很少用
-models.SET(函数内存地址) 会设置成set内的值
\'\'\'
8 下单接口
# 登录后才能用---> 前端点击立即购买---> post---> 携带数据 courses:[1,2,],total_amount:99.8, subject:\'xx课程\'---> 视图类中重写create方法---> 主要逻辑写在序列化类中
# 主要逻辑
1 取出所有课程id号 拿到课程
2 统计总价格 跟传入的total_amount作比较 如果一样 继续往后
3 获取购买人信息:登录后才能访问的接口 request.user
4 生成订单号 支付链接需要 存订单表需要
5 生成支付链接:支付宝支付生成
6 生成订单记录 订单是待支付状态(order order_deatil)
7 返回前端支付链接
8.1 序列化类
# 校验字段,反序列化 不会序列化的
class PaySerializer(serializers.ModelSerializer):
# courses 不是表的字段,需要重写--->新东西
# courses=serializers.ListField() # 咱们不用这种 courses=[1,2,3]
# 前端传入的 courses=[1,2,3]--->根据queryset对应的qs对象 做映射,映射成courses=[课程对象1,课程对象2,课程对象3]
courses = serializers.PrimaryKeyRelatedField(queryset=Course.objects.all(), many=True)
class Meta:
model = Order
fields = [\'courses\', \'total_amount\', \'subject\'] # 前端传入的字段是什么,这里就写什么
def _check_total_amount(self, attrs):
courses = attrs.get(\'courses\') # 课程对象列表 [课程对象1,课程对象2]
total_amount = attrs.get(\'total_amount\')
new_total_amount = 0
for course in courses:
new_total_amount += course.price
if total_amount == new_total_amount:
return new_total_amount
raise APIException(\'价格有误!!\')
def _get_out_trade_no(self):
# uuid生成
return str(uuid.uuid4())
def _get_user(self):
user = self.context.get(\'request\').user
return user
def _get_pay_url(self, out_trade_no, total_amount, subject):
# 生成支付链接
res = alipay.api_alipay_trade_page_pay(
total_amount=float(total_amount),
subject=subject,
out_trade_no=out_trade_no,
return_url=settings.RETURN_URL, # 前端的
notify_url=settings.NOTIFY_URL # 后端接口,写这个接口该订单状态
)
# return GATEWAY + res
self.context[\'pay_url\'] = GATEWAY + res
def _before_create(self, attrs, user, out_trade_no):
# 剔除courses----》要不要剔除,要pop,但是不在这,在create方法中pop
# 订单号,加入到attrs中
attrs[\'out_trade_no\'] = out_trade_no
# 把user加入到attrs中
attrs[\'user\'] = user
def validate(self, attrs):
# 1)订单总价校验
total_amount = self._check_total_amount(attrs)
# 2)生成订单号
out_trade_no = self._get_out_trade_no()
# 3)支付用户:request.user
user = self._get_user()
# 4)支付链接生成
self._get_pay_url(out_trade_no, total_amount, attrs.get(\'subject\'))
# 5)入库(两个表)的信息准备
self._before_create(attrs, user, out_trade_no)
return attrs
# 生成订单,存订单表,一定要重写create,存俩表
def create(self, validated_data):
# validated_data:subject,total_amount,user,out_trade_no,courses
courses = validated_data.pop(\'courses\')
order = Order.objects.create(**validated_data)
# 存订单详情表,存几条,取决于courses有几个
for course in courses:
OrderDetail.objects.create(order=order, course=course, price=course.price, real_price=course.price)
return order
# 前端后端的接口需要配置设置
# 后台基URL
BACKEND_URL = \'http://127.0.0.1:80\'
# 前台基URL
LUFFY_URL = \'http://127.0.0.1:8080\'
# 支付宝同步异步回调接口配置
# 后台异步回调接口
NOTIFY_URL = BACKEND_URL + "/api/v1/order/success/" # 如果这个接口不对,支付宝永远掉不回来,订单状态永远不会改
# 前台同步回调接口,没有 / 结尾
RETURN_URL = LUFFY_URL + "/pay/success"
8.2 视图类
class PayView(GenericViewSet, CreateModelMixin):
queryset = Order.objects.all()
serializer_class = PaySerializer
# 配置认证类
authentication_classes = [JSONWebTokenAuthentication]
permission_classes = [IsAuthenticated]
# 下单接口
def create(self, request, *args, **kwargs):
# 注意:把request对象,传入到序列化类中
serializer = self.get_serializer(data=request.data, context=\'request\': request)
serializer.is_valid(raise_exception=True)
self.perform_create(serializer)
pay_url = serializer.context.get(\'pay_url\')
return APIResponse(pay_url=pay_url)
8.3 路由
# http://127.0.0.1:8000/api/v1/order/pay/pay/
router.register(\'pay\',views.PayView,\'pay\')
9 前端支付页面
9.1 CourseDetail.vue
go_pay()
// 判断是否登录
let token = this.$cookies.get(\'token\')
if (token)
this.$axios.post(this.$settings.BASE_URL + \'/order/pay/\',
subject: this.course_info.name,
total_amount: this.course_info.price,
courses: [this.course_id]
,
headers:
Authorization: `jwt $token`
).then(res =>
if (res.data.code == 100)
// 打开支付连接地址
open(res.data.pay_url, \'_self\');
else
this.$message(res.data.msg)
)
else
this.$message(\'您没有登录,请先登录\')
9.2 PaySuccess.vue
<template>
<div class="pay-success">
<!--如果是单独的页面,就没必要展示导航栏(带有登录的用户)-->
<Header/>
<div class="main">
<div class="title">
<div class="success-tips">
<p class="tips">您已成功购买 1 门课程!</p>
</div>
</div>
<div class="order-info">
<p class="info"><b>订单号:</b><span> result.out_trade_no </span></p>
<p class="info"><b>交易号:</b><span> result.trade_no </span></p>
<p class="info"><b>付款时间:</b><span><span> result.timestamp </span></span></p>
</div>
<div class="study">
<span>立即学习</span>
</div>
</div>
</div>
</template>
<script>
import Header from "@/components/Header"
export default
name: "Success",
data()
return
result: ,
;
,
created()
// 解析支付宝回调的url参数
let params = location.search.substring(1); // 去除? => a=1&b=2
let items = params.length ? params.split(\'&\') : []; // [\'a=1\', \'b=2\']
//逐个将每一项添加到args对象中
for (let i = 0; i < items.length; i++) // 第一次循环a=1,第二次b=2
let k_v = items[i].split(\'=\'); // [\'a\', \'1\']
//解码操作,因为查询字符串经过编码的
if (k_v.length >= 2)
// url编码反解
let k = decodeURIComponent(k_v[0]);
this.result[k] = decodeURIComponent(k_v[1]);
// 没有url编码反解
// this.result[k_v[0]] = k_v[1];
// 把地址栏上面的支付结果,再get请求转发给后端
this.$axios(
url: this.$settings.BASE_URL + \'/order/success/\' + location.search,
method: \'get\',
).then(response =>
if (response.data.code != 100)
alert(response.data.msg)
).catch(() =>
console.log(\'支付结果同步失败\');
)
,
components:
Header,
</script>
<style scoped>
.main
padding: 60px 0;
margin: 0 auto;
width: 1200px;
background: #fff;
.main .title
display: flex;
-ms-flex-align: center;
align-items: center;
padding: 25px 40px;
border-bottom: 1px solid #f2f2f2;
.main .title .success-tips
box-sizing: border-box;
.title img
vertical-align: middle;
width: 60px;
height: 60px;
margin-right: 40px;
.title .success-tips
box-sizing: border-box;
.title .tips
font-size: 26px;
color: #000;
.info span
color: #ec6730;
.order-info
padding: 25px 48px;
padding-bottom: 15px;
border-bottom: 1px solid #f2f2f2;
.order-info p
display: -ms-flexbox;
display: flex;
margin-bottom: 10px;
font-size: 16px;
.order-info p b
font-weight: 400;
color: #9d9d9d;
white-space: nowrap;
.study
padding: 25px 40px;
.study span
display: block;
width: 140px;
height: 42px;
text-align: center;
line-height: 42px;
cursor: pointer;
background: #ffc210;
border-radius: 6px;
font-size: 16px;
color: #fff;
</style>
10 支付成功回调接口
# get 给自己用
# post 给支付宝用
# 该接口不要加任何认证和权限
class PaySuccess(APIView):
def get(self, request): # 咱们用的
out_trade_no = request.query_params.get(\'out_trade_no\')
order = Order.objects.filter(out_trade_no=out_trade_no, order_status=1).first()
if order: # 支付宝回调完, 订单状态改了
return APIResponse()
else:
return APIResponse(code=101, msg=\'暂未收到您的付款,请稍后刷新再试\')
def post(self, request): # 给支付宝用的,项目需要上线后才能看到 内网中,无法回调成功【使用内网穿透】
try:
result_data = request.data.dict() # requset.data 是post提交的数据,如果是urlencoded格式,requset.data是QueryDict对象,方法dict()---》转成真正的字典
out_trade_no = result_data.get(\'out_trade_no\')
signature = result_data.pop(\'sign\')
# 验证签名的---》验签
result = alipay_v1.alipay.verify(result_data, signature)
if result and result_data["trade_status"] in ("TRADE_SUCCESS", "TRADE_FINISHED"):
# 完成订单修改:订单状态、流水号、支付时间
Order.objects.filter(out_trade_no=out_trade_no).update(order_status=1)
# 完成日志记录
logger.warning(\'%s订单支付成功\' % out_trade_no)
return Response(\'success\') # 都是支付宝要求的
else:
logger.error(\'%s订单支付失败\' % out_trade_no)
except:
pass
return Response(\'failed\') # 都是支付宝要求的
# http://127.0.0.1:8000/api/v1/order/success/
path(\'success/\', views.PaySuccess.as_view()),
# 测试路由
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