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  • picture_download.md

picture_download.md · Changes

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Create data_stream/picture_download.md authored Sep 29, 2021 by 董雨峰's avatar 董雨峰
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## 参数:
```json
{
"key": "CN208414307U",
"url": "http://epub.cnipa.gov.cn/pic/ws9100/PUBXML/350401/XXSQ/XXSQ_DZGBD/2017218078160/100005/EDA0001518996270000011.jpg", "bucket": "patent",
"real":0,
"proxy":1,
"host":"",
"path":"",
}
```
* **key** (str): 唯一标识
* **url** (str): 图片链接
* **bucket** (str):图片来源
* proxy (int): 是否开启代理 ,0 不开启, 1 开启 ,默认为1
* real (int):是否实时返回结果 ,可以传 0,1,2,3 ,默认为0
* 0 表示不要求实时返回结果
* 1 表示要求实时返回储存url
* 2 表示要求实时返回图片内容,不储存
* 3 表示要求实时返回图片内容和储存url
* host (str): 指定图片储存服务器地址
* path (str): 指定图片储存路径
前三个参数必选
## 返回值:
```json
{
"spider_name": "picture_download", //爬虫名称,str类型
"platform_name": "picture", //爬取平台的名称标识,str类型
"http_code": 200, //http返回码,int类型
"message": "seccessful", //爬取结束信息,str类型
"spider_start_time": "2020-07-11 11:30:40", //爬取开始时间,str类型,格式为%Y-%m-%d %H:%M:%S
"spider_end_time": "2020-07-11 11:30:41", //爬取结束时间,str类型,格式为%Y-%m-%d %H:%M:%S
"spider_used_time": 10, //爬取耗时,秒数int类型
"server_host": "10.8.6.51", //爬虫所在机器的IP
"parames":{
}, //传入的参数
"data":{
"src":"http://{host}/save/{bucket}/{key}/{uuid}.jpg", //图片储存后的url
"content":"" //图片二进制内容
}
}
```
> 目前计划返回结果储存为 json 文件(可结合文件下载服务);
>
> 文件目录格式为: /{bucket}/{date}/{uuid}.json
## 流程图:
```mermaid
graph LR
A[spider]
F[udms] --> A-->|real = 0,1,3|E[basket]
B[web] --> A-->|real = 2|G[response] -->H[log]
C[redis] --> F
D[post]--> B
E -->|real = 0 |K[.json] --> H
E -->|real = 1,3 |G --> H
```
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