{"id":13498634,"url":"https://github.com/anycodes/ServerlessBlog","last_synced_at":"2025-03-29T01:32:28.750Z","repository":{"id":144049699,"uuid":"240157235","full_name":"anycodes/ServerlessBlog","owner":"anycodes","description":"一款基于Serverless 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Serverless Blog开发前言\n\n## 背景\n\n随着时间的发展，Serverless架构越来越火热，其按量付费，弹性伸缩... 等很多优质特性，都让人眼前一亮，不得惊叹云计算为我们带来的便利。但是就目前而言，Serverless架构相关的业务框架还是比较少的。虽然腾讯云Serverless与Serverless Framework联手，目前已经支持了Express， Koa， Egg以及Flask等众多项目的轻松上云，但是实际上在使用过程中，尤其是迁移过程中还是很痛苦的，以这些框架在Serverless组件上的表现来看，POST/GET的参数传输方法，就比较难原生获取，这可能导致原有项目上云要经历很大的演进过程。\n\n当然，除了刚才说的原生的框架直接部署在Serverless架构上，直接在Serverless架构开发的框架，也是少的可怜，所以实践就是通过一个博客系统的开发，和大家简单的体验一个基于Serverless架构的博客系统长什么样子。\n\n## 开发与思考\n\n### 思考\n\n* 博客系统需要哪些功能？ 这个博客系统仅作为抛砖引玉项目，所以功能还比较少，只有两个页面，具有文章管理、分类管理、标签管理以及留言管理等功能，但是为了方便用户管理，要有前台和后台两部分。\n\n* 前台如何做？前台可能是用户流量比较大的（相对后台而言），所以这部分就是用单独的函数，每个功能一个函数，初步判断，前台可能需要：获取文章分类，获取文章列表，获取评论列表，增加评论，获取标签列表等接口。\n\n* 后台如何做？后台理论上来说是管理员的专属地盘，所以这一部分流量比较小，可以通过flask-admin，放入到一个函数中来解决。\n\n* 为什么前台要那么多函数，后台用一个框架？整个项目就用一个框架不好么？首先要回答，整个项目用一个框架是可以的，但是并不好。例如这个项目的后台，使用的是Flask框架，用了Flask-admin来做后台管理，这个开发过程很简单，简单的多，可能整个后台就一百来行代码就搞定了，但是这涉及到\n  * 网页的返回，需要APIGW开启响应集成，响应集成的性能其实很差，所以相对来说，不太适合放在前端。\n  * 一个完整项目比较大，可能需要的资源也会更多，那么我们就需要给这个函数更多的资源内存，可能会导致收费的增加，例如我的后台给的资源是1024，我的前端每个函数给的内存资源是128/256，在执行同样时间的时候，明显后者的费用降低了4-8倍。同样，函数可能涉及大冷启动，冷启动一个函数和冷启动函数中的一个完整的框架/项目，前者的速度和性能可能会更好一下。\n  * 函数都有并发上限的，如果所有的资源全都请求到一个函数，那么很可能实际用户并发几个的时候，对用的函数并发就可能是几十几百，这很可能在用户稍微多一点的情况下，就会触及用户实例的上限限制，后台功能是非频繁功能，前台相对来说是更频繁的，所以前台是用单独接口更合理。\n\n* 登陆功能怎么做？非常抱歉，函数并不能像传统开发，将客户的一些登录信息缓存到机器上，但是客户端依旧可以使用cookie，所以利用这个方法，可以做以下流程：\n  * 后台登录入口处，拉取APIGW传过来的APIGW Event，看其中headers/cookie是否存在，不存在就会返回登录页面\n  * 如果headers/cookie存在，取cookie中的token字段，判断token字段是否和服务端的token字段吻合，吻合进入系统后台，不吻合返回登录页面\n  * 用户登录，请求后台的登陆功能，如果账号密码正确，则返回给用户一个token，客户端将token记录到cookie中\n  * 问题来了：\n     * token是什么？Token可以认为是一个登录凭证，生成方法可以按照自己设计升级，本实践比较简单，就直接用账号密码组合，然后md5。\n     * token存在那里？下次如何获取？Token可以存在Mysql数据库中，也可以存在Redis中，甚至可以存在COS中，例如Redis和COS，都可以利用其自身的一些特性做一些额外的操作，例如数据有效期（用来做登录过期等）。当然本文不想做的那么麻烦，所以每次用户请求过来，都是单独计算token，然后进行的对比。\n     * 这种token登陆方法可以用于其他项目么？还是仅适用于这种博客系统。可以适用其他项目，很多项目都可以通过这种方法来做，例如我自己的Anycodes，也是通过Token进行鉴权，只不过在Serverless架构下，Token如何存储是一个问题，但是我个人推荐有钱就用redis，没钱就用cos，不想额外花钱就像我，每次是用单独对比。\n     * token存在redis可以理解，但是存在cos是为什么？cos本身是对象存储，用来存储文件的，其实完全可以用来存储token，例如我们每次生成一个新的token，都把这个token设置为一个文件，文件内容就是这个token对应的用户信息或者是权限信息，或者其他的信息，然后存储桶策略设置成文件过期时间，例如文件存入1天自动删除，那么1天之后，你存储的这个token文件就会被删除。等用户带着token过来的时候，直接通过内网请求cos（没有流量费）获取指定文件名，如果获取到了就下载回来（文件一般也就1K或者以下），然后进行其他操作，不存在就证明用户已过期，或者token错误，让他重新登录就好了。当然，这种方法可能不是最优解，但是确实是在Serverless条件下的一个有趣的做法。可以在小项目中尝试使用。\n\n* 项目本地开发如何进行调试？众所周知Serverless架构的本地调试很难。确实如此，虽然说本地调试很困难，但也不是不能越过去的，可以根据项目自己的需求，来做一些调试策略。\n\n### 经验\n\n#### 本地开发与调试\n对于开发调试，我在每个函数后面增加了对应触发器的调试方案，例如APIGW触发器，我增加了以下代码：\n```text\ndef test():\n    event = {\n        \"requestContext\": {\n            \"serviceId\": \"service-f94sy04v\",\n            \"path\": \"/test/{path}\",\n            \"httpMethod\": \"POST\",\n            \"requestId\": \"c6af9ac6-7b61-11e6-9a41-93e8deadbeef\",\n            \"identity\": {\n                \"secretId\": \"abdcdxxxxxxxsdfs\"\n            },\n            \"sourceIp\": \"14.17.22.34\",\n            \"stage\": \"release\"\n        },\n        \"headers\": {\n            \"Accept-Language\": \"en-US,en,cn\",\n            \"Accept\": \"text/html,application/xml,application/json\",\n            \"Host\": \"service-3ei3tii4-251000691.ap-guangzhou.apigateway.myqloud.com\",\n            \"User-Agent\": \"User Agent String\"\n        },\n        \"body\": json.dumps({\"id\": 1}),\n         .... .... \n    }\n    print(main_handler(event, None))\n\n\nif __name__ == \"__main__\":\n    test()\n\n```\n\n在实际上，我每次想要看一下运行效果，我都会执行这个文件：\n```text\n{'id': 1, 'title': '亲自部署战“疫”，习近平强调三个“一”', 'content': '\u003cp\u003e2月10日，习近平总书记在北京调研指导新型冠状病毒肺炎疫情防控工作。新冠肺炎疫情发生以来，习近平高度重视，多次召开会议、多次听取汇报、作出重要指示，亲自指挥、亲自部署疫情防控阻击战。\u0026ldquo;第一位\u0026rdquo;\u0026ldquo;一盘棋\u0026rdquo;\u0026ldquo;第一线\u0026rdquo;，打赢疫情防控阻击战，习近平强调这三个\u0026ldquo;一\u0026rdquo;。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e第一位\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u003cimg src=\"https://inews.gtimg.com/newsapp_bt/0/11319378215/1000\" /\u003e\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026ldquo;要把人民群众生命安全和身体健康放在第一位\u0026rdquo;。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e新冠肺炎疫情发生以来，习近平始终把人民的生命安全和身体健康摆在首位，在不同场合反复强调这一重要原则。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e1月25日，在农历正月初一这一天，习近平主持召开中共中央政治局常务委员会会议，专门听取新冠肺炎疫情防控工作汇报，堪称史无前例。举国上下都感受到了以习近平同志为核心的党中央对人民群众安全健康的重视。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e2月10日，习近平在北京调研指导疫情防控工作，再次强调\u0026ldquo;始终把人民群众生命安全和身体健康放在首位\u0026rdquo;。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e对新冠肺炎患者，习近平要求，\u0026ldquo;全力以赴救治\u0026rdquo;，\u0026ldquo;坚决做到应收尽收\u0026rdquo;，\u0026ldquo;加快筛选研发具有较好临床疗效的药物\u0026rdquo;。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e对于人民群众正常基本生活，习近平十分关心。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026ldquo;越是发生疫情，越要注意做好保障和改善民生工作，特别是要高度关注就业问题，防止出现大规模裁员。\u0026rdquo;\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e习近平要求，要加强水电气热等城市\u0026ldquo;生命线\u0026rdquo;维护，保障城市正常运行。要坚决打击哄抬物价、囤积居奇、趁火打劫等违法犯罪行为。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026ldquo;公开透明回应群众关切\u0026rdquo;，\u0026ldquo;引导群众正确理性看待疫情\u0026rdquo;，\u0026ldquo;提高人民群众自我防护能力\u0026rdquo;。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e习近平的一项项重要部署，体现着对人民群众的深切关怀。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026ldquo;人民利益高于一切\u0026rdquo;。目前，在各方面共同努力下，防控工作正有力开展。湖北正围绕\u0026ldquo;应收尽收、刻不容缓\u0026rdquo;全面打响战斗，力争全部确诊及疑似患者得到及时收治。全国治愈出院新冠肺炎病例不断增多，全国除湖北以外地区新增确诊病例连降7天。除了湖北省外，全国其他30个省份均已部署安排企业复工复产。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e一盘棋\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u003cimg src=\"https://inews.gtimg.com/newsapp_bt/0/11319378216/1000\" /\u003e\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e针对疫情防控阻击战，习近平总书记从全局进行考量，多次召开会议、作出重要指示，为战\u0026ldquo;疫\u0026rdquo;指明方向。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e1月25日，习近平主持召开中共中央政治局常务委员会会议，对加强疫情防控作出了全面部署，成立了中央应对疫情工作领导小组，统一领导，统一指挥，分类指导各地做好疫情防控工作。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026ldquo;疫情防控要坚持全国一盘棋。\u0026rdquo;习近平在2月3日的中共中央政治局常务委员会会议上强调。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e何谓\u0026ldquo;一盘棋\u0026rdquo;？习近平指出了三点：\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e各级党委和政府必须坚决服从党中央统一指挥、统一协调、统一调度，做到令行禁止。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e各地区各部门必须增强大局意识和全局观念，坚决服从中央应对疫情工作领导小组及国务院联防联控机制的指挥。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e各地区各部门采取举措既要考虑本地区本领域防控需要，也要考虑对重点地区、对全国防控的影响。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026ldquo;一盘棋\u0026rdquo;的意思不止于此。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e在习近平看来，疫情防控不只是医药卫生问题，而是全方位的工作，各项工作都要为打赢疫情防控阻击战提供支持。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e习近平强调，各级党委要科学判断形势、精准把握疫情，统一领导、统一指挥、统一行动。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e2月10日，习近平在北京调研指导疫情防控工作时再度强调，要加强疫情防控工作的统一指挥。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e在党中央集中统一领导下，各地纷纷打响疫情防控阻击战。全社会联动反应，口罩生产商紧急复工，工地建设者不舍昼夜，交通运输部门严格防范疫情扩散\u0026hellip;\u0026hellip;在全国驰援武汉外，还建立了省际对口支援湖北省武汉以外地市的关系，全力支持湖北加强病患救治工作。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e第一线\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u003cimg src=\"https://inews.gtimg.com/newsapp_bt/0/11319378217/1000\" /\u003e\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e打赢疫情防控阻击战，\u0026ldquo;第一线\u0026rdquo;非常关键。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e2月10日下午，习近平深入北京市社区、医院、疾控中心，了解基层疫情防控工作情况，并视频连线湖北武汉抗击肺炎疫情前线，给全国奋战在疫情防控一线的医务工作者和广大干部职工送去党中央的关怀和慰问。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e疫情发生以来，习近平多次对疫情防控\u0026ldquo;第一线\u0026rdquo;作出指示和部署。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026ldquo;广大党员干部要冲到一线\u0026rdquo;。习近平强调，各级党政领导干部要靠前指挥、强化担当，广大党员干部要冲到一线，守土有责、守土担责、守土尽责，集中精力、心无旁骛把每一项工作、每一个环节都做到位。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026ldquo;让基层干部把更多精力投入到疫情防控第一线\u0026rdquo;。习近平要求，在疫情防控工作中，要坚决反对形式主义、官僚主义。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e重大考验面前，更能考察识别干部。习近平指出，对表现突出的，要给予表扬表彰、大胆使用；对作风飘浮、敷衍塞责、推诿扯皮的，要严肃问责。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e对奋战在疫情防控工作一线的全国广大医务工作者，习近平多次向他们致以崇高的敬意，并鼓励他们继续完善诊疗方案，继续全力以赴救治患者，叮嘱他们做好自我防护。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e习近平强调，\u0026ldquo;要关心关爱广大医务人员\u0026rdquo;，\u0026ldquo;加强医护人员安全防护工作\u0026rdquo;，\u0026ldquo;加大对暴力伤害医务人员的违法行为打击力度\u0026rdquo;。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026ldquo;优先满足一线医护人员和救治病人需要\u0026rdquo;。2月3日，习近平主持召开中共中央政治局常务委员会会议。这次会议强调，要重点抓好防治力量的区域统筹，坚决把救治资源和防护资源集中到抗击疫情第一线。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e目前，全国已有近2万名医务人员驰援湖北的武汉及其他多地，参与医疗救治。在抗击疫情的各条战线上，各级党组织和广大党员挺身而出、冲锋在前，成为打赢疫情防控阻击战的重要力量。\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e（文字：岳小乔；制图：宋嵩）\u003c/p\u003e\\r\\n\\r\\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\\r\\n', 'description': '习近平多次对疫情防控\"第一线\"作出指示和部署, 要加强疫情防控工作的统一指挥, 习近平在北京调研指导疫情防控工作, \"疫情防控要坚持全国一盘棋, 习近平在北京调研指导疫情防控工作时再度强调', 'watched': 1, 'category': '热点新闻', 'publish': '2020-02-13 00:45:52', 'tags': [], 'next': {}, 'pre': {}}\n{'uuid': '749ca9f6-4dfb-11ea-9c5b-acde48001122', 'error': False, 'message': ''}\n```\n可以认为，是在通过本地模拟一些线上环境。当然，如果有redis等一些需要内网资源的函数，就比较麻烦，但是我这做法，可以用于绝大部分函数。包括后台的Flaks框架部分：\n\n```\ndef test():\n    event = {'body': 'name=sdsadasdsadasd\u0026remark=', 'headerParameters': {}, 'headers': {\n        'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',\n        'accept-encoding': 'gzip, deflate', 'accept-language': 'zh-CN,zh;q=0.9', 'cache-control': 'no-cache',\n        'connection': 'keep-alive', 'content-length': '27', 'content-type': 'application/x-www-form-urlencoded',\n        'cookie': 'Hm_lvt_a0c900918361b31d762d9cf4dc81ee5b=1574491278,1575257377', 'endpoint-timeout': '15',\n        'host': 'blog.0duzhan.com', 'origin': 'http://blog.0duzhan.com', 'pragma': 'no-cache',\n        'proxy-connection': 'keep-alive', 'referer': 'http://blog.0duzhan.com/admin/tag/new/?url=%2Fadmin%2Ftag%2F',\n        'upgrade-insecure-requests': '1',\n        'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36',\n        'x-anonymous-consumer': 'true', 'x-api-requestid': '656622f3b008a0d406a376809b03b52c',\n        'x-b3-traceid': '656622f3b008a0d406a376809b03b52c', 'x-qualifier': '$LATEST'}, 'httpMethod': 'POST',\n             'path': '/admin/tag/new/', 'pathParameters': {}, 'queryString': {'url': '/admin/tag/'},\n             'queryStringParameters': {},\n             'requestContext': {'httpMethod': 'ANY', 'identity': {}, 'path': '/admin', 'serviceId': 'service-23ybmuq7',\n                                'sourceIp': '119.123.224.87', 'stage': 'release'}}\n    print(main_handler(event, None))\n\n\nif __name__ == \"__main__\":\n    test()\n```\n\nindex执行结果：\n\n```text\n{'body': 'name=sdsadasdsadasd\u0026remark=', 'headerParameters': {}, 'headers': {'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9', 'accept-encoding': 'gzip, deflate', 'accept-language': 'zh-CN,zh;q=0.9', 'cache-control': 'no-cache', 'connection': 'keep-alive', 'content-length': '27', 'content-type': 'application/x-www-form-urlencoded', 'cookie': 'Hm_lvt_a0c900918361b31d762d9cf4dc81ee5b=1574491278,1575257377', 'endpoint-timeout': '15', 'host': 'blog.0duzhan.com', 'origin': 'http://blog.0duzhan.com', 'pragma': 'no-cache', 'proxy-connection': 'keep-alive', 'referer': 'http://blog.0duzhan.com/admin/tag/new/?url=%2Fadmin%2Ftag%2F', 'upgrade-insecure-requests': '1', 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36', 'x-anonymous-consumer': 'true', 'x-api-requestid': '656622f3b008a0d406a376809b03b52c', 'x-b3-traceid': '656622f3b008a0d406a376809b03b52c', 'x-qualifier': '$LATEST'}, 'httpMethod': 'POST', 'path': '/admin/tag/new/', 'pathParameters': {}, 'queryString': {'url': '/admin/tag/'}, 'queryStringParameters': {}, 'requestContext': {'httpMethod': 'ANY', 'identity': {}, 'path': '/admin', 'serviceId': 'service-23ybmuq7', 'sourceIp': '119.123.224.87', 'stage': 'release'}}\n{'isBase64Encoded': False, 'statusCode': 200, 'headers': {'Content-Type': 'text/html'}, 'body': '\u003c!DOCTYPE html\u003e\\n\u003chtml lang=\"en\"\u003e\\n\u003chead\u003e\\n    \u003cmeta charset=\"UTF-8\"\u003e\\n    \u003ctitle\u003eTitle\u003c/title\u003e\\n    \u003cscript\u003e\\n        var url = window.location.href\\n        url = url.split(\"admin\")[0] + \"admin\"\\n        String.prototype.endWith = function (s) {\\n            var d = this.length - s.length;\\n            return (d \u003e= 0 \u0026\u0026 this.lastIndexOf(s) == d)\\n        }\\n        if (window.location.href != url) {\\n            if (!window.location.href.endsWith(\"admin\") || !window.location.href.endsWith(\"admin/\"))\\n                window.location = url\\n        }\\n\\n        function doLogin() {\\n            var xmlhttp = window.XMLHttpRequest ? (new XMLHttpRequest()) : (new ActiveXObject(\"Microsoft.XMLHTTP\"))\\n            xmlhttp.onreadystatechange = function () {\\n                if (xmlhttp.readyState == 4 \u0026\u0026 xmlhttp.status == 200) {\\n                    if (JSON.parse(xmlhttp.responseText)[\"token\"]) {\\n                        document.cookie = \"token=\" + JSON.parse(xmlhttp.responseText)[\"token\"];\\n                        window.location = `http://${window.location.host}/admin`\\n                    } else {\\n                        alert(JSON.parse(xmlhttp.responseText)[\"message\"])\\n                    }\\n                }\\n            }\\n            xmlhttp.open(\"POST\", window.location.pathname, true);\\n            xmlhttp.setRequestHeader(\"Content-type\", \"application/json\");\\n            xmlhttp.send(JSON.stringify({\\n                \"username\": document.getElementById(\"username\").value,\\n                \"password\": document.getElementById(\"password\").value,\\n            }));\\n        }\\n    \u003c/script\u003e\\n\u003c/head\u003e\\n\u003cbody\u003e\\n\\n\u003ccenter\u003e\u003ch1\u003eServerless Blog 后台管理\u003c/h1\u003e\\n    管理账号：\u003cinput type=\"text\" id=\"username\"\u003e\u003cbr\u003e\\n    管理密码：\u003cinput type=\"password\" id=\"password\"\u003e\u003cbr\u003e\\n    \u003cinput type=\"reset\"\u003e\u003cinput type=\"submit\" onclick=\"doLogin()\"\u003e\u003cbr\u003e\\n\u003c/center\u003e\\n\u003c/body\u003e\\n\u003c/html\u003e'}\n```\n\n#### Flask部署\n\nFlask部署到Serverless架构可以用@serverless/tencent-flask，但是这个组件目前不支持post等方法，感觉有点问题，所以在syz（同事）的帮助下，发现了这个部分：\n```python\n# -*- coding: utf-8 -*-\n# Copyright 2016 Matt Martz\n# All Rights Reserved.\n#\n#    Licensed under the Apache License, Version 2.0 (the \"License\"); you may\n#    not use this file except in compliance with the License. You may obtain\n#    a copy of the License at\n#\n#         http://www.apache.org/licenses/LICENSE-2.0\n#\n#    Unless required by applicable law or agreed to in writing, software\n#    distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT\n#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the\n#    License for the specific language governing permissions and limitations\n#    under the License.\n\nimport sys\nimport json\n\ntry:\n    from urllib import urlencode\nexcept ImportError:\n    from urllib.parse import urlencode\n\nfrom flask import Flask\n\ntry:\n    from cStringIO import StringIO\nexcept ImportError:\n    try:\n        from StringIO import StringIO\n    except ImportError:\n        from io import StringIO\n\nfrom werkzeug.wrappers import BaseRequest\n\n__version__ = '0.0.4'\n\n\ndef make_environ(event):\n    environ = {}\n\n    for hdr_name, hdr_value in event['headers'].items():\n        hdr_name = hdr_name.replace('-', '_').upper()\n        if hdr_name in ['CONTENT_TYPE', 'CONTENT_LENGTH']:\n            environ[hdr_name] = hdr_value\n            continue\n\n        http_hdr_name = 'HTTP_%s' % hdr_name\n        environ[http_hdr_name] = hdr_value\n\n    apigateway_qs = event['queryStringParameters']\n    request_qs = event['queryString']\n    qs = apigateway_qs.copy()\n    qs.update(request_qs)\n\n    body = ''\n    if 'body' in event:\n        body = event['body']\n\n    environ['REQUEST_METHOD'] = event['httpMethod']\n    environ['PATH_INFO'] = event['path']\n    environ['QUERY_STRING'] = urlencode(qs) if qs else ''\n    environ['REMOTE_ADDR'] = 80\n    environ['HOST'] = event['headers']['host']\n    environ['SCRIPT_NAME'] = ''\n\n    environ['SERVER_PORT'] = 80\n    environ['SERVER_PROTOCOL'] = 'HTTP/1.1'\n\n    environ['CONTENT_LENGTH'] = str(len(body))\n\n    environ['wsgi.url_scheme'] = ''\n    environ['wsgi.input'] = StringIO(body)\n    environ['wsgi.version'] = (1, 0)\n    environ['wsgi.errors'] = sys.stderr\n    environ['wsgi.multithread'] = False\n    environ['wsgi.run_once'] = True\n    environ['wsgi.multiprocess'] = False\n\n    BaseRequest(environ)\n\n    return environ\n\n\nclass LambdaResponse(object):\n    def __init__(self):\n        self.status = None\n        self.response_headers = None\n\n    def start_response(self, status, response_headers, exc_info=None):\n        self.status = int(status[:3])\n        self.response_headers = dict(response_headers)\n\n\nclass FlaskLambda(Flask):\n    def __call__(self, event, context):\n        if 'httpMethod' not in event:\n            print('httpMethod not in event')\n            # In this \"context\" `event` is `environ` and\n            # `context` is `start_response`, meaning the request didn't\n            # occur via API Gateway and Lambda\n            return super(FlaskLambda, self).__call__(event, context)\n\n        response = LambdaResponse()\n        # print response.start_response\n\n        body = next(self.wsgi_app(\n            make_environ(event),\n            response.start_response\n        ))\n\n        # return {\n        # \"isBase64Encoded\": False,\n        # \"statusCode\": 200,\n        # \"headers\": {'Content-Type': 'text/html'},\n        # \"body\": body\n        # }\n\n        return {\n            'statusCode': response.status,\n            'headers': response.response_headers,\n            'body': body\n        }\n\n```\n这个代码，可以讲APIGW过来的请求，变成请求集成的形式，传送给Flask框架，用户可以通过request.form来获取post内容，通过request.args获取get内容等。\n\n#### 全局变量\n全局变量可能包括用户账号，密码，云的密钥信息，数据库信息等，为了统一配置和修改，可以使用我自己写的全局变量组件：\n```text\n# 函数们的整体配置信息\nConf:\n  component: \"serverless-global\"\n  inputs:\n    region: ap-shanghai\n    runtime: Python3.6\n    handler: index.main_handler\n    include_common: ./common\n    blog_user: Dfounder\n    blog_email: service@anycodes.cn\n    blog_about_me: 这就是我的博客\n    blog_host: blog.0duzhan.com\n    website_title: Serverless Blog System\n    website_keywords: Serverless, Serverless Framework, Tencent Cloud, SCF\n    website_description: 一款基于腾讯云Serverless架构，并且采用Serverless Framework构建的Serverless博客系统。\n    website_bucket: serverless-blog-1256773370\n    mysql_host: \n    mysql_user: root\n    mysql_password: \n    mysql_port: 60510\n    mysql_db: serverless_blog_system\n    admin_user: mytest\n    admin_password: mytestabc\n    tencent_secret_id: \n    tencent_secret_key: \n    tencent_appid: \n```\n在使用的时候，可以直接用，例如函数：\n```text\nBlog_Web_addComment:\n  component: \"@serverless/tencent-scf\"\n  inputs:\n    name: Blog_Web_addComment\n    description: 添加评论\n    codeUri: ./cloudFunctions/addComment\n    handler: ${Conf.handler}\n    runtime: ${Conf.runtime}\n    region:  ${Conf.region}\n    include:\n      - ${Conf.include_common}\n    environment:\n      variables:\n        mysql_host: ${Conf.mysql_host}\n        mysql_port: ${Conf.mysql_port}\n        mysql_user: ${Conf.mysql_user}\n        mysql_password: ${Conf.mysql_password}\n        mysql_db: ${Conf.mysql_db}\n```\n\n#### 让项目初始化更容易\n\n为了让项目更容易初始化，例如我修改网站的名字，描述，关键词，或者我需要建立数据库等。所以这个时候我单独做了一个init文件：\n```text\n# -*- coding: utf8 -*-\nimport pymysql\nimport shutil\nimport yaml\nimport os\n\n\ndef setEnv():\n    try:\n        file = open(\"./serverless.yaml\", 'r', encoding=\"utf-8\")\n        file_data = file.read()\n        file.close()\n\n        data = yaml.load(file_data)\n        for eveKey, eveValue in data['Conf']['inputs'].items():\n            os.environ[eveKey] = str(eveValue)\n        return True\n    except Exception as e:\n        raise e\n\n\ndef initDb():\n    try:\n        conn = pymysql.connect(host=os.environ.get('mysql_host'),\n                               user=os.environ.get('mysql_user'),\n                               password=os.environ.get('mysql_password'),\n                               port=int(os.environ.get('mysql_port')),\n                               charset='utf8')\n        cursor = conn.cursor()\n        sql = \"CREATE DATABASE IF NOT EXISTS {db_name}\".format(db_name=os.environ.get('mysql_db'))\n        cursor.execute(sql)\n        cursor.close()\n        conn.close()\n        return True\n    except Exception as e:\n        raise e\n\n\ndef initTable():\n    try:\n        conn = pymysql.connect(host=os.environ.get('mysql_host'),\n                               user=os.environ.get('mysql_user'),\n                               password=os.environ.get('mysql_password'),\n                               port=int(os.environ.get('mysql_port')),\n                               db=os.environ.get('mysql_db'),\n                               charset='utf8',\n                               cursorclass=pymysql.cursors.DictCursor,\n                               autocommit=1)\n        cursor = conn.cursor()\n        createTags = \"CREATE TABLE `tags` ( `tid` INT NOT NULL AUTO_INCREMENT , `name` VARCHAR(255) NOT NULL , `remark` TEXT NULL , PRIMARY KEY (`tid`), UNIQUE (`name`)) ENGINE = InnoDB;\"\n        createCategory = \"CREATE TABLE `category` ( `cid` INT NOT NULL AUTO_INCREMENT , `name` VARCHAR(255) NOT NULL , `sorted` INT NOT NULL DEFAULT '1' , `remark` TEXT NULL , PRIMARY KEY (`cid`), UNIQUE (`name`)) ENGINE = InnoDB;\"\n        createComments = \"CREATE TABLE `comments` ( `cid` INT NOT NULL AUTO_INCREMENT , `content` TEXT NOT NULL , `publish` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP , `user` VARCHAR(255) NOT NULL , `email` VARCHAR(255) NULL , `photo` INT NOT NULL DEFAULT '0' ,  `article` INT NOT NULL , `remark` TEXT NULL , `uni_mark` VARCHAR(255) NOT NULL , `is_show` INT NOT NULL DEFAULT '0' , PRIMARY KEY (`cid`), UNIQUE (`uni_mark`)) ENGINE = InnoDB;\"\n        createArticle = \"CREATE TABLE `article` ( `aid` INT NOT NULL AUTO_INCREMENT , `title` VARCHAR(255) NOT NULL , `content` TEXT NOT NULL , `description` TEXT NOT NULL , `publish` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP , `watched` INT NOT NULL DEFAULT '0' , `category` INT NOT NULL , `remark` TEXT NULL , PRIMARY KEY (`aid`)) ENGINE = InnoDB;\"\n        createArticleTags = \"CREATE TABLE `article_tags` ( `atid` INT NOT NULL AUTO_INCREMENT , `aid` INT NOT NULL , `tid` INT NOT NULL , PRIMARY KEY (`atid`)) ENGINE = InnoDB;\"\n        alertArticleTagsArticle = \"ALTER TABLE `article_tags` ADD CONSTRAINT `article` FOREIGN KEY (`aid`) REFERENCES `article`(`aid`) ON DELETE CASCADE ON UPDATE CASCADE; \"\n        alertArticleTagsTags = \"ALTER TABLE `article_tags` ADD CONSTRAINT `tags` FOREIGN KEY (`tid`) REFERENCES `tags`(`tid`) ON DELETE CASCADE ON UPDATE CASCADE;\"\n        alertArticleCategory = \"ALTER TABLE `article` ADD CONSTRAINT `category` FOREIGN KEY (`category`) REFERENCES `category`(`cid`) ON DELETE CASCADE ON UPDATE CASCADE;\"\n        alertCommentsArticle = \"ALTER TABLE `comments` ADD CONSTRAINT `article_comments` FOREIGN KEY (`article`) REFERENCES `article`(`aid`) ON DELETE CASCADE ON UPDATE CASCADE;\"\n        cursor.execute(createTags)\n        cursor.execute(createCategory)\n        cursor.execute(createComments)\n        cursor.execute(createArticle)\n        cursor.execute(createArticleTags)\n        cursor.execute(alertArticleTagsArticle)\n        cursor.execute(alertArticleTagsTags)\n        cursor.execute(alertArticleCategory)\n        cursor.execute(alertCommentsArticle)\n        cursor.close()\n        conn.close()\n        return True\n    except Exception as e:\n        raise e\n\n\ndef initHTML():\n    try:\n        tempPath = \"website\"\n        tempDist = os.path.join(tempPath, \"dist\")\n        if os.path.exists(tempDist):\n            shutil.rmtree(tempDist)\n        tempFileList = []\n        for eve in os.walk(tempPath):\n            if eve[2]:\n                for eveFile in eve[2]:\n                    tempFileList.append(os.path.join(eve[0], eveFile))\n        os.mkdir(tempDist)\n        for eve in tempFileList:\n            temp = os.path.split(eve.replace(tempPath, tempDist))\n            if not os.path.exists(temp[0]):\n                os.makedirs(temp[0])\n            if eve.endswith(\".html\") or eve.endswith(\".htm\"):\n                with open(eve) as readData:\n                    with open(eve.replace(tempPath, tempDist), \"w\") as writeData:\n                        writeData.write(readData.read().\n                                        replace('{{ user }}', os.environ.get('blog_user')).\n                                        replace('{{ email }}', os.environ.get('blog_email')).\n                                        replace('{{ title }}', os.environ.get('website_title')).\n                                        replace('{{ keywords }}', os.environ.get('website_keywords')).\n                                        replace('{{ about_me }}', os.environ.get('blog_about_me')).\n                                        replace('{{ host }}', os.environ.get('blog_host')).\n                                        replace('{{ description }}', os.environ.get('website_description')))\n            else:\n                shutil.copy(eve, eve.replace(tempPath, tempDist))\n        return True\n    except Exception as e:\n        raise e\n\n\nif __name__ == \"__main__\":\n    print(\"获取Yaml数据： \", setEnv())\n    print(\"建立数据库：\", initDb())\n    print(\"建立数据库：\", initTable())\n    print(\"初始化HTML：\", initHTML())\n\n```\n\n#### 公共组件的开发\n在项目中会有很多公共组件，例如数据库的部分，所以我把数据库的代码，统一放到了一起：`common/mysqlCommon.py`:\n```text\n# -*- coding: utf8 -*-\n\nimport os\nimport re\nimport pymysql\nimport hashlib\nfrom random import choice\n\n\nclass mysqlCommon:\n    def __init__(self):\n        self.getConnection({\n            \"host\": os.environ.get('mysql_host'),\n            \"user\": os.environ.get('mysql_user'),\n            \"port\": int(os.environ.get('mysql_port')),\n            \"db\": os.environ.get('mysql_db'),\n            \"password\": os.environ.get('mysql_password')\n        })\n\n    def getDefaultPic(self):\n        return choice([\n            'http://t8.baidu.com/it/u=1484500186,1503043093\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=853',\n            'http://t8.baidu.com/it/u=2247852322,986532796\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=853',\n            'http://t7.baidu.com/it/u=3204887199,3790688592\u0026fm=79\u0026app=86\u0026f=JPEG?w=4610\u0026h=2968',\n            'http://t9.baidu.com/it/u=3363001160,1163944807\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=830',\n            'http://t9.baidu.com/it/u=583874135,70653437\u0026fm=79\u0026app=86\u0026f=JPEG?w=3607\u0026h=2408',\n            'http://t9.baidu.com/it/u=583874135,70653437\u0026fm=79\u0026app=86\u0026f=JPEG?w=3607\u0026h=2408',\n            'http://t9.baidu.com/it/u=1307125826,3433407105\u0026fm=79\u0026app=86\u0026f=JPEG?w=5760\u0026h=3240',\n            'http://t9.baidu.com/it/u=2268908537,2815455140\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=719',\n            'http://t7.baidu.com/it/u=1179872664,290201490\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=854',\n            'http://t9.baidu.com/it/u=3949188917,63856583\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=875',\n            'http://t9.baidu.com/it/u=2266751744,4253267866\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=854',\n            'http://t8.baidu.com/it/u=4100756023,1345858297\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=854',\n            'http://t7.baidu.com/it/u=1355385882,1155324943\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=854',\n            'http://t9.baidu.com/it/u=2292037961,3689236171\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=854',\n            'http://t9.baidu.com/it/u=4241966675,2405819829\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=854',\n            'http://t8.baidu.com/it/u=2857883419,1187496708\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=763',\n            'http://t8.baidu.com/it/u=198337120,441348595\u0026fm=79\u0026app=86\u0026f=JPEG?w=1280\u0026h=732'\n        ])\n\n    def getConnection(self, conf):\n        self.connection = pymysql.connect(host=conf['host'],\n                                          user=conf['user'],\n                                          password=conf['password'],\n                                          port=int(conf['port']),\n                                          db=conf['db'],\n                                          charset='utf8',\n                                          cursorclass=pymysql.cursors.DictCursor,\n                                          autocommit=1)\n\n    def doAction(self, stmt, data):\n        try:\n            self.connection.ping(reconnect=True)\n            cursor = self.connection.cursor()\n            cursor.execute(stmt, data)\n            result = cursor\n            cursor.close()\n            return result\n        except Exception as e:\n            print(e)\n            try:\n                cursor.close()\n            except:\n                pass\n            return False\n\n    def getCategoryList(self):\n        search_stmt = (\n            \"SELECT * FROM `category` ORDER BY `sorted`\"\n        )\n        result = self.doAction(search_stmt, ())\n        if result == False:\n            return False\n        return [{\"id\": eveCategory['cid'], \"name\": eveCategory['name']} for eveCategory in result.fetchall()]\n\n    def getArticleList(self, category, tag, page=1):\n        if category:\n            search_stmt = (\n                \"SELECT article.*,category.name FROM `article` LEFT JOIN `category` ON article.category=category.cid WHERE article.category=%s ORDER BY -article.aid LIMIT %s,%s;\"\n            )\n            count_stmt = (\n                \"SELECT COUNT(*) FROM `article` LEFT JOIN `category` ON article.category=category.cid WHERE article.category=%s;\"\n            )\n            data = (category, 10 * (int(page) - 1), 10 * int(page))\n            count_data = (category,)\n        elif tag:\n            search_stmt = (\n                \"SELECT article.* FROM `article` LEFT JOIN `article_tags` ON article.aid=article_tags.aid WHERE article_tags.tid=%s ORDER BY -article.aid LIMIT %s,%s;\"\n            )\n            count_stmt = (\n                \"SELECT COUNT(*) FROM `article`LEFT JOIN `article_tags` ON article.aid=article_tags.aid WHERE article_tags.tid=%s;\"\n            )\n            data = (tag, 10 * (int(page) - 1), 10 * int(page))\n            count_data = (tag,)\n        else:\n            search_stmt = (\n                \"SELECT article.*,category.name FROM `article` LEFT JOIN `category` ON article.category=category.cid ORDER BY -article.aid LIMIT %s,%s;\"\n            )\n            count_stmt = (\n                \"SELECT COUNT(*) FROM `article` LEFT JOIN `category` ON article.category=category.cid; \"\n            )\n            data = (10 * (int(page) - 1), 10 * int(page))\n            count_data = ()\n        result = self.doAction(search_stmt, data)\n        if result == False:\n            return False\n\n        return {\"data\": [{\"id\": eveArticle['aid'],\n                          \"title\": eveArticle['title'],\n                          \"description\": eveArticle['description'],\n                          \"watched\": eveArticle['watched'],\n                          \"category\": eveArticle['category'],\n                          \"publish\": str(eveArticle['publish']),\n                          \"picture\": self.getPicture(eveArticle['content'])}\n                         for eveArticle in result.fetchall()],\n                \"count\": self.doAction(count_stmt, count_data).fetchone()[\"COUNT(*)\"]}\n\n    def getHotArticleList(self):\n        search_stmt = (\n            \"SELECT article.*,category.name FROM `article` LEFT JOIN `category` ON article.category=category.cid ORDER BY article.watched LIMIT 0,5\"\n        )\n        result = self.doAction(search_stmt, ())\n        if result == False:\n            return False\n        return [{\"id\": eveArticle['aid'],\n                 \"title\": eveArticle['title'],\n                 \"description\": eveArticle['description'],\n                 \"watched\": eveArticle['watched'],\n                 \"category\": eveArticle['category'],\n                 \"publish\": str(eveArticle['publish']),\n                 \"picture\": self.getPicture(eveArticle['content'])}\n                for\n                eveArticle in result.fetchall()]\n\n    def getTagsArticle(self, aid):\n        search_stmt = (\n            \"SELECT tags.name, tags.tid FROM `article_tags` LEFT JOIN `tags` ON article_tags.tid=tags.tid WHERE article_tags.aid=%s;\"\n        )\n        result = self.doAction(search_stmt, (aid,))\n        if result == False:\n            return False\n        return [{\"id\": eveTag[\"tid\"], \"name\": eveTag[\"name\"]} for eveTag in result.fetchall()]\n\n    def getTagsList(self):\n        search_stmt = (\n            \"SELECT * FROM tags ORDER BY RAND() LIMIT 20; \"\n        )\n        result = self.doAction(search_stmt, ())\n        if result == False:\n            return False\n        return [{\"id\": eveTag['tid'], \"name\": eveTag['name']} for eveTag in result.fetchall()]\n\n    def getArticleContent(self, aid):\n        search_stmt = (\n            \"SELECT article.*, category.name FROM `category` LEFT JOIN `article` ON category.cid=article.category WHERE article.aid=%s;\"\n        )\n        result = self.doAction(search_stmt, (aid))\n        if result == False:\n            return False\n        article = result.fetchone()\n        return {\n            \"id\": article[\"aid\"],\n            \"title\": article[\"title\"],\n            \"content\": article[\"content\"],\n            \"description\": article[\"description\"],\n            \"watched\": article[\"watched\"],\n            \"category\": article[\"name\"],\n            \"publish\": str(article[\"publish\"]),\n            \"tags\": self.getTagsArticle(article[\"aid\"]),\n            \"next\": self.getOtherArticle(aid, \"next\"),\n            \"pre\": self.getOtherArticle(aid, \"pre\")\n        } if article else {}\n\n    def getOtherArticle(self, aid, articleType):\n        search_stmt = (\n            \"SELECT * FROM `article` WHERE aid=(select max(aid) from `article` where aid\u003e%s)\"\n        ) if articleType == \"next\" else (\n            \"SELECT * FROM `article` WHERE aid=(select max(aid) from `article` where aid\u003c%s)\"\n        )\n        result = self.doAction(search_stmt, (aid))\n        if result == False:\n            return False\n        article = result.fetchone()\n        return {\n            \"id\": article[\"aid\"],\n            \"title\": article[\"title\"]\n        } if article else {}\n\n    def getComments(self, aid):\n        search_stmt = (\n            \"SELECT * FROM `comments` WHERE article=%s AND is_show=1 ORDER BY -cid LIMIT 100;\"\n        )\n        result = self.doAction(search_stmt, (aid))\n        if result == False:\n            return False\n        return [{\"content\": eveComment['content'],\n                 \"publish\": str(eveComment['publish']),\n                 \"user\": eveComment['user'],\n                 \"remark\": eveComment['remark']} for eveComment in result.fetchall()]\n\n    def addComment(self, content, user, email, aid):\n        insert_stmt = (\n            \"INSERT INTO `comments` (`cid`, `content`, `publish`, `user`, `email`, `article`, `uni_mark`) \"\n            \"VALUES (NULL, %s, CURRENT_TIMESTAMP, %s, %s, %s, %s)\"\n        )\n        result = self.doAction(insert_stmt, (content, user, email, aid, hashlib.md5(\n            (\"%s----%s----%s----%s\" % (str(content), str(user), str(email), str(aid))).encode(\"utf-8\")).hexdigest()))\n        return False if result == False else True\n\n    def updateArticleWatched(self, wid):\n        update_stmt = (\n            \"UPDATE `article` SET `watched`=`watched`+1 WHERE `aid` = %s\"\n        )\n        return False if self.doAction(update_stmt, (wid)) == False else True\n\n    def getPicture(self, content):\n        resultList =[eve[1] for eve in re.findall('\u003cimg(.*?)src=\"(.*?)\"(.*?)\u003e', content)]\n        return resultList[0] if resultList else self.getDefaultPic()\n\n\n    def getTag(self, tag):\n        search_stmt = (\n            \"SELECT * FROM `tags` WHERE name=%s;\"\n        )\n        result = self.doAction(search_stmt, (tag,))\n        return False if not result or result.rowcount == 0 else result.fetchone()['tid']\n\n    def addTag(self, tag):\n        insert_stmt = (\n            \"INSERT INTO `tags` (`tid`, `name`, `remark`) \"\n            \"VALUES (NULL, %s, NULL)\"\n        )\n        result = self.doAction(insert_stmt, (tag))\n        return False if result == False else result.lastrowid\n\n    def addArticleTag(self, article, tag):\n        insert_stmt = (\n            \"INSERT INTO `article_tags` (`atid`, `aid`, `tid`) \"\n            \"VALUES (NULL, %s, %s)\"\n        )\n        result = self.doAction(insert_stmt, (article, tag))\n        return False if result == False else True\n```\n这里基本上是，这个项目需要的数据库增删改查的全部功能（admin除外），在使用的时候，分为本地和线上：\n```text\n\ntry:\n    import returnCommon\n    from mysqlCommon import mysqlCommon\nexcept:\n    import common.testCommon\n\n    common.testCommon.setEnv()\n\n    import common.returnCommon as returnCommon\n    from common.mysqlCommon import mysqlCommon\n\nmysql = mysqlCommon()\n```\n通过python的异常，如果导入没找到，那就说明是本地测试，如果`from mysqlCommon import mysqlCommon`找到了，那就说明是线上环境。除了数据库的公共组件，我还有`returnCommon`等公共文件。当然， 这些文件，在使用的时候也需要打包进入，可以在yaml中增加include，例如：\n```text\nBlog_Web_addComment:\n  component: \"@serverless/tencent-scf\"\n  inputs:\n    name: Blog_Web_addComment\n    description: 添加评论\n    codeUri: ./cloudFunctions/addComment\n    handler: ${Conf.handler}\n    runtime: ${Conf.runtime}\n    region:  ${Conf.region}\n    include:\n      - ${Conf.include_common}\n```\n\n# 功能展示\n\n## 前台功能\n\n### 列表页\n![Login](/picture/blog_index.png)\n\n### 内容页\n![Login](/picture/blog_content.png)\n\n\n## 后台功能\n\n### 登录功能\n![Login](/picture/login.png)\n\n### 后台首页\n![Login](/picture/admin_index.png)\n\n### 列表页\n![Login](/picture/admin_category.png)\n\n### 表单页\n![Login](/picture/admin_add_article.png)\n\n# 使用方法\n* 配置`serverless.yaml`：\n```yaml\n# 函数们的整体配置信息\nConf:\n  component: \"serverless-global\"\n  inputs:\n    region: ap-shanghai\n    runtime: Python3.6\n    handler: index.main_handler\n    include_common: ./common\n    blog_user: Dfounder\n    blog_email: service@anycodes.cn\n    website_title: Serverless Blog System\n    website_keywords: Serverless, Serverless Framework, Tencent Cloud, SCF\n    website_description: 一款基于腾讯云Serverless架构，并且采用Serverless Framework构建的Serverless博客系统。\n    website_bucket: serverless-blog-1256773370\n    mysql_host: \n    mysql_password: \n    mysql_port: \n    mysql_db: \n    admin_user: mytest\n    admin_password: mytest\n```\n除了上面的内容，还要看一下域名问题(例如CosBucket)：\n```\n# 网站\nCosBucket:\n  component: '@serverless/tencent-website'\n  inputs:\n    code:\n      root: website/dist\n      src: ./\n      index: list.html\n    region:  ${Conf.region}\n    bucketName: ${Conf.website_bucket}\n    hosts:\n      - host: 0duzhan.com\n        https:\n          certId: awPsOIHY\n          forceSwitch: -1\n      - host: www.0duzhan.com\n        https:\n          certId: awPsOIHY\n          forceSwitch: -1\n\n    env:\n      apiUrl: ${APIService.subDomain}\n```\n以及API网关内容：\n```\n# 创建API网关Service\nAPIService:\n  component: \"@serverless/tencent-apigateway\"\n  inputs:\n    region: ${Conf.region}\n    customDomain:\n      - domain: api.0duzhan.com\n        isDefaultMapping: 'FALSE'\n        pathMappingSet:\n          - path: /\n            environment: release\n        protocols:\n          - http\n    protocols:\n      - http\n      - https\n    ........\n```\n这两部分域名可以修改成自己的，或者删除掉这两个额key\n\n* 执行`init.py`:\n这里要注意，我是在MacOS下开发的，所以init.py应该可恶意在mac/linux运行，windows用户可能要适当修改一下。还有这里面需要一个依赖：pyyaml，需要自行安装一下。\n```\n获取Yaml数据：  True\n建立数据库： True\n建立数据库： True\n初始化HTML： True\n```\n* 部署资源，执行`serverless --debug`\n```text\n(venv) DFOUNDERLIU-MB0:ServerlessBlog dfounderliu$ sls --debug\n\n  DEBUG ─ Resolving the template's static variables.\n  DEBUG ─ Collecting components from the template.\n  DEBUG ─ Downloading any NPM components found in the template.\n  DEBUG ─ Analyzing the template's components dependencies.\n  DEBUG ─ Creating the template's components graph.\n  DEBUG ─ Syncing template state.\n  DEBUG ─ Executing the template's components graph.\n  DEBUG ─ Preparing website Tencent COS bucket serverless-blog-1256773370.\n  DEBUG ─ Starting API-Gateway deployment with name APIService in the ap-shanghai region\n  DEBUG ─ Using last time deploy service id service-23ybmuq7\n  DEBUG ─ Updating service with serviceId service-23ybmuq7.\n  DEBUG ─ Bucket \"serverless-blog-1256773370\" in the \"ap-shanghai\" region alrea\n  \n  ………………\n  \n     - \n        path:   /web/article/watched/update\n        method: POST\n        apiId:  api-gnvnrbyk\n      - \n        path:   /web/sentence/get\n        method: POST\n        apiId:  api-msvadsau\n      - \n        path:   /web/article/list/hot/get\n        method: POST\n        apiId:  api-kfkrjhim\n      - \n        path:   /web/tags/list/get\n        method: POST\n        apiId:  api-avydagem\n      - \n        path:   /admin\n        method: ANY\n        apiId:  api-4tnz5tc4\n\n  176s › APIService › done\n\n```\n\n# 额外说明\n\n## 特色\n* 用户无需自己写摘要和关键词，系统会自动帮用户关联关键词，新建关键词以及撰写摘要（用户可以自己写）\n\n## 问题\n* 我不是前端开发，所以前端做的太渣了\n\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanycodes%2FServerlessBlog","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fanycodes%2FServerlessBlog","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanycodes%2FServerlessBlog/lists"}