day13

内容概要

  • 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

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
  • 服务器上线以后,用户既要访问接口,又要看视频,都是访问一个域名和端口
  • 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:专门存储文件分服务器

第三方:

image-20230313185042258

image-20230313185101286

image-20230313185136107

image-20230313185207814

image-20230313185246805

python如何把文件传到上面

对应的sdk

image-20230313185420434

image-20230313185440432

image-20230313185456893

image-20230313185540209

image-20230313185619666

image-20230313185755753

# -*- coding: utf-8 -*-
# flake8: noqa
from qiniu import Auth, put_file, etag
import qiniu.config

# 需要填写你的 Access Key 和 Secret Key
access_key = 'Access_Key'
secret_key = 'Secret_Key'
# 构建鉴权对象
q = Auth(access_key, secret_key)
# 要上传的空间
bucket_name = 'Bucket_Name'
# 上传后保存的文件名
key = 'my-python-logo.png'
# 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 = './sync/bbb.jpg'
ret, info = put_file(token, key, localfile, version='v2')
print(info)
assert ret['key'] == key
assert ret['hash'] == etag(localfile)

image-20230313185852783

image-20230313190213928

# -*- coding: utf-8 -*-
# flake8: noqa
from qiniu import Auth, put_file, etag
import qiniu.config

# 需要填写你的 Access Key 和 Secret Key
access_key = ''
secret_key = ''
# 构建鉴权对象
q = Auth(access_key, secret_key)
# 要上传的空间
bucket_name = 'ieu'
# 上传后保存的文件名
key = '测试1.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 = './测试1.mp4'
ret, info = put_file(token, key, localfile, version='v2')
print(info)
assert ret['key'] == key
assert ret['hash'] == etag(localfile)

搜索导航栏

前端 Header组件上有个所有框 ---》输入内容,搜索---->搜索后端接口

所有的商城类的网站,app,都会有搜索功能,起始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)

后面会有专门的搜索引擎:分布式全文检索引擎 es 做专门的搜索

前端搜索结果呈现页面

在Header里面加了些东西

<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" alt="">
          </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 @click="logout">注销</span>
        </div>
      </div>
      <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>
    <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"/>
  </div>

</template>

<script>
import Login from "@/components/Login";
import Register from "@/components/Register";

export default {
  name: "Header",
  components: {
    Login,
    Register
  },

  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"),
      is_search_tip: true,
      search_placeholder: '',
      search_word: ''

    }
  },
  methods: {
    search_action(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

    },
    logout() {
      this.$cookies.remove("username")
      this.$cookies.remove("token")
      this.username = ''
      this.token = ''

    }
  },
  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;
  },
}
</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>

新建的搜索页

<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" alt="">
          </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 @click="logout">注销</span>
        </div>
      </div>
      <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>
    <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"/>
  </div>

</template>

<script>
import Login from "@/components/Login";
import Register from "@/components/Register";

export default {
  name: "Header",
  components: {
    Login,
    Register
  },

  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"),
      is_search_tip: true,
      search_placeholder: '',
      search_word: ''

    }
  },
  methods: {
    search_action(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

    },
    logout() {
      this.$cookies.remove("username")
      this.$cookies.remove("token")
      this.username = ''
      this.token = ''

    }
  },
  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;
  },
}
</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>

image-20230313192937954

后端

from rest_framework.filters import SearchFilter


class SearchView(GenericViewSet, CommonListModelMixin):
    queryset = Course.objects.all()
    serializer_class = CourseSerializer
    filter_backends = [SearchFilter, ]
    search_fields = ["name", "price"]

url层

route.register("search", views.SearchView, "search")

支付包介绍

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:

https://openhome.alipay.com/develop/sandbox/app

image-20230313193535967

image-20230313193740185

image-20230313193759987

image-20230313195344589

image-20230313195615824

开始安装

image-20230313195700063

image-20230313195734679

image-20230313195751250

安装完成后

image-20230313195808883

image-20230313195825063

然后复制 公钥 到 支付宝

image-20230313200004354

然后去下载 sdk
有官方的,也有第三方的 包结构

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  

我使用第三方的

https://github.com/fzlee/alipay

image-20230313201118936

image-20230313201132467

image-20230313201209287

image-20230313204347140

image-20230313204359140

image-20230313204433887

pay层

from alipay import AliPay, DCAliPay, ISVAliPay
from alipay.utils import AliPayConfig
from scripts.alipay_t import settings

app_private_key_string = open("./pem/app_private_key.pem").read()
alipay_public_key_string = open("./pem/alipay_public_key.pem").read()



alipay = AliPay(
    appid=settings.APP_ID,
    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=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
)



# 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)

# dc_alipay = DCAliPay(
#     appid="appid",
#     app_notify_url="http://example.com/app_notify_url",
#     app_private_key_string=app_private_key_string,
#     app_public_key_cert_string=app_public_key_cert_string,
#     alipay_public_key_cert_string=alipay_public_key_cert_string,

setting

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 = '2021000122627346'

# 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'

订单表设计

订单板块需要写的接口

  • 下单接口---》没有支付是订单时待支付状态
  • 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

订单板状表设计

  • 订单表

  • 订单详情表

    # 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__()
    
    
    

模型被删除

如果一个模型使用了外键,那么在对方那个模型被删除后,该进行什么样的操作。可以通过on_delete来指定,可以指定的类型如下:

  1. CASCADE:级联操作。如果外键对应的那条数据被删除了,那么这条数据也会被删除。
  2. PROTECT:受保护。及只要这条数据引用了外键的那条数据,那么就不能删除外键的那条数据。
  3. SET_NULL:设置为空。如果外键的那条数据被删除了,那么本条数据上就将这个这个字段设置为空。如果设置的这个选项的前提是指定这个字段可以为空
  4. SET_DEFAULT:设置默认值,如果外键的那条数据被删除的,则这条数据则设置为默认值。如果设置这个选项前提是指定这个字段有默认值
  5. SET():如果外键的那条数据被删除了,那么将会获取SET函数中的值(里面可以填写函数的内存地址),如果是可以调用的,则会把返回值
  6. DO_NOTHING:不采取任何行为。一切全看数据库级别的约束。

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,],total_amount:99.9,subject:'xx课程'}----》视图类中重写create方法---》主要逻辑写到序列化类中

# 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做比较,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_detail)
    7 返回前端支付链接

view层

from rest_framework.viewsets import GenericViewSet
from rest_framework.views import APIView
from rest_framework.response import Response
from utils import logger
from .models import Course, Order
from .serializer import PaySerializer
from rest_framework_jwt.authentication import JSONWebTokenAuthentication
from rest_framework.permissions import IsAuthenticated
from utils import APIResponse
from libs import aalipay


class PayView(GenericViewSet, ):
    serializer_class = PaySerializer
    authentication_classes = [JSONWebTokenAuthentication, ]
    permission_classes = [IsAuthenticated]

    def create(self, request):
        # 订单里面 还需要 用户 id 用户id 去context 里面去取  如果没有则会报错
        serializer = self.get_serializer(data=request.data, context={"request": request})
        serializer.is_valid(raise_exception=True)
        url = serializer.context.get("pay_url")

        self.perform_create(serializer)
        return APIResponse(pay_url=url)

    def perform_create(self, res):
        res.save()

serializer层

from rest_framework import serializers
from .models import Course, Order, OrderDetail
import uuid
from libs import aalipay, GATEWAY
from rest_framework.exceptions import APIException
from django.conf import settings


class PaySerializer(serializers.ModelSerializer):
    # course = serializers.ListField()  # 如果这样写的化 会自己去拿课程对象
    # 这样写 他会 for 循环里面的id 然后去 course 表里面去查对应的课程对象 得到的 [课程对象,]
    courses = serializers.PrimaryKeyRelatedField(queryset=Course.objects.all(), many=True)

    class Meta:
        model = Order
        #        全部课程,但是这个字段 表中没有所以需要自己写  可能产品有多个 一般是列表
        #        total_amount需要自己校验 价格是否准确
        #        subject 订单的标题  这个我们表中有
        fields = ["courses", "total_amount", "subject"]

    def validate(self, attrs):
        # 在这 校验 总价格 和 生成订单
        course_obj_list = attrs.get("courses")
        total_amount = 0
        for course in course_obj_list:
            total_amount += float(course.price)
        if total_amount == attrs.get("total_amount"):
            # 生成订单号
            out_trade_no = self.get_uuid()
            # 去完成添加前的数据整理
            self._before_create(out_trade_no, attrs)
            # 则去生成订单
            self.get_pay_order(attrs.get("subject"), out_trade_no, total_amount)
            return attrs
        raise APIException("生成订单失败")

    def get_uuid(self):
        # 只有上亿的时候 uuid4才会出现重复
        # 可以用uuid2或者其他的 需要传参数 所以重复概率小些
        return str(uuid.uuid4())  # 如果是 uuid 对象不能被序列化

    ## res = aalipay.api_alipay_trade_page_pay(subject='xx课程', out_trade_no='8d0be464-f30c-486b-aa4a-57da887efb45',
    #                                         total_amount='99')

    def get_pay_order(self, subject, out_trade_no, total_amount):
        res = aalipay.api_alipay_trade_page_pay(subject=subject,
                                                out_trade_no=out_trade_no,
                                                total_amount=total_amount,
                                                # 前端的回调地址
                                                return_url=settings.RETURN_URL,
                                                # 后端的回调地址
                                                notify_url=settings.NOTIFY_URL)

        self.context["pay_url"] = 'https://openapi.alipaydev.com/gateway.do?' + res
        # print('https://openapi.alipaydev.com/gateway.do?' + res, 111)

    # alipay.api_alipay_trade_page_pay(subject='性感内衣', out_trade_no='asdas23sddfsasf', total_amount='999')

    def _before_create(self, out_trade_no, attrs):
        attrs["out_trade_no"] = out_trade_no
        attrs["user"] = self.context.get("request").user

    def create(self, validated_data):
        # 写如订单和 写入订单详情
        # validated_data = {courses total_amount  subject, out_trade_no
        courses = validated_data.pop("courses")
        order_obj = Order.objects.create(**validated_data)
        # 批量生成订单详情
        order_detail_list = []
        for i in courses:
            obj = OrderDetail(course=i, price=i.price, order=order_obj, real_price=i.price)
            order_detail_list.append(obj)
        OrderDetail.objects.bulk_create(order_detail_list)
        return order_obj

路由

from django.urls import path, include
from .views import PayView, PaySuccess
from django.urls import path, include
from rest_framework.routers import SimpleRouter

route = SimpleRouter()
route.register('pay', PayView, 'pay')
urlpatterns = [
    path("success/", PaySuccess.as_view())
]
urlpatterns += route.urls

下单的前端

在课程详情中加一个事件

go_pay() {
  // 得先登录才能购买 先取校验token
  let token = this.$cookies.get("token")
  if (!token) {
    this.$message.error("请先登录")
  } else {
    this.$axios.post(this.$settings.BASE_URL + '/order/pay/', {
      courses: [this.course_id,],
      total_amount: this.course_info.price,
      subject: this.course_info.name
    }, {
      headers: {
        Authorization: `jwt ${token}`
      }
    }).then(res => {
      if (res.data.code === 100) {
        // _self 是在当前跳转
        open(res.data.pay_url, '_self')
      } else {
        this.$message.error(res.data.msg)
      }
    })
  }
},

支付成功的回调

前端路由

{
    path: '/pay/success',
    name: 'paysuccess',
    component: PaySuccess


},

前端的页面

<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>

后端路由

from django.urls import path, include
from .views import PayView, PaySuccess
from django.urls import path, include
from rest_framework.routers import SimpleRouter

route = SimpleRouter()
route.register('pay', PayView, 'pay')
urlpatterns = [
    path("success/", PaySuccess.as_view())
]
urlpatterns += route.urls

后端的views

class PaySuccess(APIView):
    def get(self, request):
        out_trade_no = request.query_params.get("out_trade_no")
        res = Order.objects.filter(out_trade_no=out_trade_no, order_status=1).first()
        if not res:
            return APIResponse(code=101, msg="请稍后再试")

    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 = aalipay.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
posted @ 2023-03-14 00:49  可否  阅读(32)  评论(0)    收藏  举报