最近的一些疫情信息很让人揪心,为了方便大家掌握疫情信息,在空闲之余做了一个关于 nCoV 的疫情监控小助手。主要的功能是通过企业微信的 WebHook 来推送疫情信息。这里将使用 Serverless 的整体代码思路和架构方式分享给大家。本文作者:tabor
实现效果
我们想要实现的大致的效果是这样的:
首先,我们需要解决的是数据来源问题,这里我们可以使用 python 爬虫来做这件事情,但是由于个人比较懒所以直接用的 2019-nCoV-Crawler ,这个项目已经集成了现有的 API,所以我们直接调用即可。当然有能力的同学也可以自己部署 Python,我这边是自己部署的,但是这不是本次的重点,就不在赘述。
现在,我们有了数据,但是数据怎么打到服务器呢?又该如何触发?当然使用 CVM 也是可以的,但是似乎太笨拙,并且消耗量很大,需要自己搭好所有环境。所以,这里我们选用 Serverless 方式来部署。
核心逻辑
我们来看看整体业务的代码部分吧,毕竟这里是整个机器人的核心。我们来看代码(请求三次接口):
<"https://lab.isaaclin.cn/nCoV/api/area", CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => "", CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 3000, CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, CURLOPT_CUSTOMREQUEST => "GET", CURLOPT_HTTPHEADER => array( "Accept: */*", "Cache-Control: no-cache", "Connection: keep-alive", "Host: lab.isaaclin.cn", "Postman-Token: 680e5ea7-5c2e-4fb6-9295-7e336f2252c6,abd73e01-2a60-42b5-9bbe-92aa83805a7e", "User-Agent: PostmanRuntime/7.15.0", "accept-encoding: gzip, deflate", "cache-control: no-cache" ), )); $responsesz = curl_exec($curlsz); $echo_responsesz = json_decode($responsesz, true); $err = curl_error($curlsz); curl_close($curlsz); // 湖北省情况 $curlhb = curl_init(); curl_setopt_array($curlhb, array( CURLOPT_URL => "https://lab.isaaclin.cn/nCoV/api/area", CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => "", CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 3000, CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, CURLOPT_CUSTOMREQUEST => "GET", CURLOPT_HTTPHEADER => array( "Accept: */*", "Cache-Control: no-cache", "Connection: keep-alive", "Host: lab.isaaclin.cn", "Postman-Token: 680e5ea7-5c2e-4fb6-9295-7e336f2252c6,abd73e01-2a60-42b5-9bbe-92aa83805a7e", "User-Agent: PostmanRuntime/7.15.0", "accept-encoding: gzip, deflate", "cache-control: no-cache" ), )); $responsehb = curl_exec($curlhb); $echo_responsehb = json_decode($responsehb, true); $err = curl_error($curlhb); curl_close($curlhb); // 全国总体情况 $curlall = curl_init(); curl_setopt_array($curlall, array( CURLOPT_URL => "https://lab.isaaclin.cn/nCoV/api/overall", CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => "", CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 3000, CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, CURLOPT_CUSTOMREQUEST => "GET", CURLOPT_HTTPHEADER => array( "Accept: */*", "Cache-Control: no-cache", "Connection: keep-alive", "Host: lab.isaaclin.cn", "Postman-Token: 680e5ea7-5c2e-4fb6-9295-7e336f2252c6,abd73e01-2a60-42b5-9bbe-92aa83805a7e", "User-Agent: PostmanRuntime/7.15.0", "accept-encoding: gzip, deflate", "cache-control: no-cache" ), )); $responseall = curl_exec($curlall); $echo_responseall = json_decode($responseall, true); $err = curl_error($curlall); curl_close($curlall); //判断是否为深圳地域(这里逻辑写的比较简单,但是够用了) if ($echo_responsesz['results'][0]['cities'][0]['cityName'] == '深圳') { $echo_responseszqz = $echo_responsesz['results'][0]['cities'][0]['confirmedCount']; $echo_responseszys = $echo_responsesz['results'][0]['cities'][0]['suspectedCount']; $echo_responseszzy = $echo_responsesz['results'][0]['cities'][0]['curedCount']; $echo_responseszsw = $echo_responsesz['results'][0]['cities'][0]['deadCount']; } else { $echo_responseszqz = $echo_responsesz['results'][0]['cities'][1]['confirmedCount']; $echo_responseszys = $echo_responsesz['results'][0]['cities'][1]['suspectedCount']; $echo_responseszzy = $echo_responsesz['results'][0]['cities'][1]['curedCount']; $echo_responseszsw = $echo_responsesz['results'][0]['cities'][1]['deadCount']; } if ($err) { echo "cURL Error #:" . $err; } else { //疫情监控告警机器人 $sc = $sc=" **2019-nCoV 疫情信息同步:** \n > 全国疫情: > 确诊人数<font color=\"info\">".$echo_responseall['results'][0]['confirmedCount']."</font>,疑似感染人数<font color=\"info\">".$echo_responseall['results'][0]['suspectedCount']."</font>,治愈人数<font color=\"info\">".$echo_responseall['results'][0]['curedCount']."</font>,死亡人数<font color=\"info\">".$echo_responseall['results'][0]['deadCount']."</font>\n > 广东省: > 确诊人数<font color=\"info\">".$echo_responsesz['results'][0]['confirmedCount']."</font>,疑似感染人数<font color=\"info\">".$echo_responsesz['results'][0]['suspectedCount']."</font>,治愈人数<font color=\"info\">".$echo_responsesz['results'][0]['curedCount']."</font>,死亡人数<font color=\"info\">".$echo_responsesz['results'][0]['deadCount']."</font>\n > 湖北省: > 确诊人数<font color=\"info\">".$echo_responsehb['results'][0]['confirmedCount']."</font>,疑似感染人数<font color=\"info\">".$echo_responsehb['results'][0]['suspectedCount']."</font>,治愈人数<font color=\"info\">".$echo_responsehb['results'][0]['curedCount']."</font>,死亡人数<font color=\"info\">".$echo_responsehb['results'][0]['deadCount']."</font>\n > 深圳市: > 确诊人数<font color=\"info\">".$echo_responseszqz."</font>,疑似感染人数<font color=\"info\">".$echo_responseszys."</font>,治愈人数<font color=\"info\">".$echo_responseszzy."</font>,死亡人数<font color=\"info\">".$echo_responseszsw."</font>\n > <font color=\"info\">".$echo_responseall['results'][0]['note1']."</font> > <font color=\"info\">".$echo_responseall['results'][0]['note2']."</font> > <font color=\"info\">".$echo_responseall['results'][0]['note3']."</font> > <font color=\"info\">".$echo_responseall['results'][0]['remark1']."</font> > <font color=\"info\">".$echo_responseall['results'][0]['remark2']."</font> > <font color=\"info\"> 信息出处:".$echo_responseall['results'][0]['generalRemark']."</font> \n >[更多数据请查看](https://news.qq.com/zt2020/page/feiyan.htm) \n "; $post = array('msgtype' => 'markdown', 'markdown' => array('content' => $sc)); $curl = curl_init(); curl_setopt_array($curl, array( CURLOPT_URL => "https://qyapi.weixin.qq.com/cgi-bin/webhook/send", //这里的地址填写为企业微信的HOOK路径,https://work.weixin.qq.com/api/doc/90000/90136/91770 CURLOPT_RETURNTRANSFER => true, CURLOPT_ENCODING => "", CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 10, CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, CURLOPT_CUSTOMREQUEST => "POST", CURLOPT_POSTFIELDS => json_encode($post,JSON_UNESCAPED_UNICODE), CURLOPT_HTTPHEADER => array( "Cache-Control: no-cache", "Postman-Token: ab32082b-ce64-4832-b51f-8f2f1b3e98ef" ), )); $response = curl_exec($curl); $err = curl_error($curl); curl_close($curl); return "运行成功"; } } "htmlcode">$ mkdir nCov-function $ cd nCov-function相关函数目录的内容如下:
|- code |- index.php // 这里就是上面的业务代码存放位置 |- serverless.yml //serverless 配置文件配置 Yml 文件
接下来,是我们的重头戏,配置函数 yml 文件:
# serverless.yml myFunction: component: "@serverless/tencent-scf" //引用tencent-scf component inputs: name: nCoVFunction //函数名称 enableRoleAuth: true codeUri: ./code //代码本地存放位置 handler: index.main_handler runtime: Php5 region: ap-shanghai //函数运行地域 description: My Serverless nCoV Function. memorySize: 128 //运行内存 timeout: 20 //超时时间 exclude: - .gitignore - .git/** - node_modules/** - .serverless - .env include: - ./nCoVFunction.zip environment: variables: TEST: vale vpcConfig: subnetId: '' vpcId: '' events: - timer: // 定时触发器 name: timer parameters: cronExpression: '0 0 10,21 * * * *' //明天早上10点,晚上21点 enable: true万事具备,我们就可以直接部署 SLS 了。
部署到云端
通过 sls 命令(serverless 的缩写)进行部署,并可以添加 –debug 参数查看部署过程中的信息:
taborchen$ sls --debug DEBUG ─ Resolving the template's static variables. DEBUG ─ Collecting components from the template. DEBUG ─ Downloading any NPM components found in the template. DEBUG ─ Analyzing the template's components dependencies. DEBUG ─ Creating the template's components graph. DEBUG ─ Syncing template state. DEBUG ─ Executing the template's components graph. DEBUG ─ Compressing function nCoVFunction file to /Users/taborchen/Desktop/工作/yiqing/.ser verless/nCoVFunction.zip. DEBUG ─ Compressed function nCoVFunction file successful DEBUG ─ Uploading service package to cos[sls-cloudfunction-ap-shanghai-code]. sls-cloudfunc tion-default-nCoVFunction-1580960644.zip DEBUG ─ Uploaded package successful /Users/taborchen/Desktop/工作/yiqing/.serverless/nCoVFu nction.zip DEBUG ─ Creating function nCoVFunction DEBUG ─ Created function nCoVFunction successful DEBUG ─ Setting tags for function nCoVFunction DEBUG ─ Creating trigger for function nCoVFunction DEBUG ─ Created timer trigger timer for function nCoVFunction success. DEBUG ─ Deployed function nCoVFunction successful运行结果如下:
这样,我们就完成了一个 nCoV 的在线触发函数机器人~是不是很简单呢?快来开始动手吧~
传送门:
GitHub: github.com/serverless
官网:serverless.com
好了,就给大家介绍到这来,希望大家喜欢!
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