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This article introduces the relevant knowledge of "what is the rapid development method of egg.js". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The instance of the context Context object of the current request, through which we can get the instance of the current application Application object encapsulated by the framework to handle the various convenient properties and methods of the current request. Through it, we can get the Service defined by the global object and method application defined by the framework, through which we can access other business layers, which is equivalent to the configuration item logger object of the this.ctx.service application runtime. There are four methods (debug) Info,warn,error), which represents printing four different levels of logs, using the same method and effect as described in context logger, but the log recorded through this logger object will be preceded by the file path to print the log, so as to quickly locate the log printing location / / parse to const {ctx, app, service, config, logger} = this / / Parameter verification ctx.validate ({username: {type: 'string', required: true, range: {min: 6, max: 20}, desc:' username'}, password: {type: 'string', required: true, desc:' password'} Repassword: {type: 'string', required: true, desc:' confirm password'}, {equals: [['password',' repassword']]}) Get parameters / / form submission let {username, password} = ctx.request.body;// file upload if (! ctx.request.files) {return ctx.apiFail ('Please choose to upload file first') } the orm framework manipulates the database table corresponding to the model object operation await app.model.User.findOne ({where: {username}}) "what is the rapid development method of egg.js?" so much for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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