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基于Serverless +企業(yè)微信如何打造nCoV疫情監(jiān)控小助手,很多新手對(duì)此不是很清楚,為了幫助大家解決這個(gè)難題,下面小編將為大家詳細(xì)講解,有這方面需求的人可以來學(xué)習(xí)下,希望你能有所收獲。
最近的一些疫情信息很讓人揪心,為了方便大家掌握疫情信息,在空閑之余做了一個(gè)關(guān)于 nCoV 的疫情監(jiān)控小助手。主要的功能是通過企業(yè)微信的 WebHook 來推送疫情信息。這里將使用 Serverless 的整體代碼思路和架構(gòu)方式分享給大家。
首先,我們需要解決的是數(shù)據(jù)來源問題,這里我們可以使用 python 爬蟲來做這件事情,但是由于個(gè)人比較懶所以直接用的 2019-nCoV-Crawler ,這個(gè)項(xiàng)目已經(jīng)集成了現(xiàn)有的 API,所以我們直接調(diào)用即可。當(dāng)然有能力的同學(xué)也可以自己部署 Python,我這邊是自己部署的,但是這不是本次的重點(diǎn),就不在贅述。
現(xiàn)在,我們有了數(shù)據(jù),但是數(shù)據(jù)怎么打到服務(wù)器呢?又該如何觸發(fā)?當(dāng)然使用 CVM 也是可以的,但是似乎太笨拙,并且消耗量很大,需要自己搭好所有環(huán)境。所以,這里我們選用 Serverless 方式來部署。
我們來看看整體業(yè)務(wù)的代碼部分吧,畢竟這里是整個(gè)機(jī)器人的核心。我們來看代碼(請(qǐng)求三次接口):
<?php function main_handler($event, $context) { // 廣東省情況 $curlsz = curl_init(); curl_setopt_array($curlsz, array( CURLOPT_URL => "https://lab.isaaclin.cn/nCoV/api/area?latest=0&province=%E5%B9%BF%E4%B8%9C%E7%9C%81", 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); // 湖北省情況 $curlhb = curl_init(); curl_setopt_array($curlhb, array( CURLOPT_URL => "https://lab.isaaclin.cn/nCoV/api/area?latest=0&province=%E6%B9%96%E5%8C%97%E7%9C%81", 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); // 全國(guó)總體情況 $curlall = curl_init(); curl_setopt_array($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($curlall); //判斷是否為深圳地域(這里邏輯寫的比較簡(jiǎn)單,但是夠用了) if ($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 { //疫情監(jiān)控告警機(jī)器人 $sc = $sc=" **2019-nCoV 疫情信息同步:** \n > 全國(guó)疫情: > 確診人數(shù)<font color=\"info\">".$echo_responseall['results'][0]['confirmedCount']."</font>,疑似感染人數(shù)<font color=\"info\">".$echo_responseall['results'][0]['suspectedCount']."</font>,治愈人數(shù)<font color=\"info\">".$echo_responseall['results'][0]['curedCount']."</font>,死亡人數(shù)<font color=\"info\">".$echo_responseall['results'][0]['deadCount']."</font>\n > 廣東省: > 確診人數(shù)<font color=\"info\">".$echo_responsesz['results'][0]['confirmedCount']."</font>,疑似感染人數(shù)<font color=\"info\">".$echo_responsesz['results'][0]['suspectedCount']."</font>,治愈人數(shù)<font color=\"info\">".$echo_responsesz['results'][0]['curedCount']."</font>,死亡人數(shù)<font color=\"info\">".$echo_responsesz['results'][0]['deadCount']."</font>\n > 湖北省: > 確診人數(shù)<font color=\"info\">".$echo_responsehb['results'][0]['confirmedCount']."</font>,疑似感染人數(shù)<font color=\"info\">".$echo_responsehb['results'][0]['suspectedCount']."</font>,治愈人數(shù)<font color=\"info\">".$echo_responsehb['results'][0]['curedCount']."</font>,死亡人數(shù)<font color=\"info\">".$echo_responsehb['results'][0]['deadCount']."</font>\n > 深圳市: > 確診人數(shù)<font color=\"info\">".$echo_responseszqz."</font>,疑似感染人數(shù)<font color=\"info\">".$echo_responseszys."</font>,治愈人數(shù)<font color=\"info\">".$echo_responseszzy."</font>,死亡人數(shù)<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\"> 信息出處:".$echo_responseall['results'][0]['generalRemark']."</font> \n >[更多數(shù)據(jù)請(qǐng)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?key=", //這里的地址填寫為企業(yè)微信的HOOK路徑,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 "運(yùn)行成功"; } } ?>
是不是很簡(jiǎn)單呢?請(qǐng)求數(shù)據(jù),發(fā)送數(shù)據(jù)。
那么我們接下了重點(diǎn)看下如何將我們的業(yè)務(wù)代碼上傳到云端呢? 這里的云端我用的是騰訊云 Serverless 服務(wù) SCF云函數(shù) 。整個(gè)部署,使用過程都是免費(fèi)的,對(duì)于開發(fā)者來講小項(xiàng)目使用的話免費(fèi)額度是完全夠用的。無需擔(dān)心額外付費(fèi)。
Serverless 部署,選用的是比較流行的 Serverless Framework,使用和部署也是完全免費(fèi)的,那么下面我就來介紹下具體的部署過程吧。
首先,第一步,我們來安裝一個(gè) Serverless Framework 的開發(fā)框架:
$ npm install -g serverless
然后,我們創(chuàng)建一個(gè)函數(shù)目錄:
$ mkdir nCov-function $ cd nCov-function
相關(guān)函數(shù)目錄的內(nèi)容如下:
|- code |- index.php // 這里就是上面的業(yè)務(wù)代碼存放位置 |- serverless.yml //serverless 配置文件
接下來,是我們的重頭戲,配置函數(shù) yml 文件:
# serverless.yml myFunction: component: "@serverless/tencent-scf" //引用tencent-scf component inputs: name: nCoVFunction //函數(shù)名稱 enableRoleAuth: true codeUri: ./code //代碼本地存放位置 handler: index.main_handler runtime: Php5 region: ap-shanghai //函數(shù)運(yùn)行地域 description: My Serverless nCoV Function. memorySize: 128 //運(yùn)行內(nèi)存 timeout: 20 //超時(shí)時(shí)間 exclude: - .gitignore - .git/** - node_modules/** - .serverless - .env include: - ./nCoVFunction.zip environment: variables: TEST: vale vpcConfig: subnetId: '' vpcId: '' events: - timer: // 定時(shí)觸發(fā)器 name: timer parameters: cronExpression: '0 0 10,21 * * * *' //明天早上10點(diǎn),晚上21點(diǎn) enable: true
萬事具備,我們就可以直接部署 SLS 了。
通過 sls 命令(serverless 的縮寫)進(jìn)行部署,并可以添加 –debug 參數(shù)查看部署過程中的信息:
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
運(yùn)行結(jié)果如下:
這樣,我們就完成了一個(gè) nCoV 的在線觸發(fā)函數(shù)機(jī)器人。
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