当前位置：网站首页>【Pyhton 实战】---- 批量【端午节】海报下载

【Pyhton 实战】---- 批量【端午节】海报下载

2022-06-09 10:02:00 【Rattenking】

1. 下载海报的网站选择

以稿定设计网站为例：
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2. 查看海报列表的API

网页 —> 鼠标右键 —> 检查【点击network，查看页面请求】

在这里插入图片描述

找到数据加载的api的方法，将页面下滑到底部，点击第二页，查找加载列表的接口，此网站的接口是【https://www.gaoding.com/api/v3/cp/template-centers/v2/recommend-templates】

3. 查看请求参数

点击当前接口，点击payload，就能找到接口的请求参数！

4. 查看请求头

点击当前接口，点击headers，就能找到接口的请求头！

在这里插入图片描述

5. 应用需要使用的库引入

import requests,json,time,random,os

6. 获取列表的接口和参数配置

url = 'https://www.gaoding.com/api/v3/cp/template-centers/v2/recommend-templates'
data = {
  "page_num": 1,
  "page_size": 50,
  "styles": [],
  "colors": [],
  "filter_nodes": [
    {
      "type": 1,
      "id": 4834126,
      "children": [
        {
          "id": 4834127,
          "type": 2,
          "children": [
            {
              "agg_filter_id": 4834127,
              "value": "1000002024"
            }
          ]
        },
        {
          "id": 4834128,
          "type": 1
        }
      ]
    }
  ]
}

7. 请求头配置

headers = {
  "content-type": "application/json;charset=UTF-8",
  "x-channel-id": "8"
}

8. 创建存放海报的文件夹

"""创建存放海报的文件夹"""
def create_folder(path):
  if not os.path.exists(path):
    os.mkdir(path)

9. 获取海报列表

"""获取海报列表"""
def get_poster_list():
  return requests.post(url, data=json.dumps(data1), headers=headers)

10. 保存海报

"""保存海报"""
def save_poster(url):
  request = requests.get(url)
  with open(f'./images/{int(round(time.time() * 1000))}-{random.randint(100,1000)}-poster.png', 'wb') as img:
    img.write(request.content)

11. 下载海报

"""下载海报"""
def download_poster():
  create_folder('./images')
  res = get_poster_list()
  for item in json.loads(res.text):
    save_poster(item.get("preview").get("url"))

12. 完整代码

import requests,json,time,random,os

url = 'https://www.gaoding.com/api/v3/cp/template-centers/v2/recommend-templates'
data = {
  "page_num": 1,
  "page_size": 500,
  "styles": [],
  "colors": [],
  "filter_nodes": [
    {
      "type": 1,
      "id": 4834126,
      "children": [
        {
          "id": 4834127,
          "type": 2,
          "children": [
            {
              "agg_filter_id": 4834127,
              "value": "1000002024"
            }
          ]
        },
        {
          "id": 4834128,
          "type": 1
        }
      ]
    }
  ]
}
headers = {
  "content-type": "application/json;charset=UTF-8",
  "x-channel-id": "8"
}

"""创建存放海报的文件夹"""
def create_folder(path):
  if not os.path.exists(path):
    os.mkdir(path)

"""获取海报列表"""
def get_poster_list():
  return requests.post(url, data=json.dumps(data), headers=headers)

"""保存海报"""
def save_poster(url):
  request = requests.get(url)
  with open(f'./images/{int(round(time.time() * 1000))}-{random.randint(100,1000)}-poster.png', 'wb') as img:
    img.write(request.content)

"""下载海报"""
def download_poster():
  create_folder('./images')
  res = get_poster_list()
  for item in json.loads(res.text):
    save_poster(item.get("preview").get("url"))

if __name__ == "__main__":
  download_poster()