first commit

历届学生/苏琪/2019-08-13/src/index.ts

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+import { start } from "./run/start"
+new start()

历届学生/苏琪/2019-08-13/src/run/App.ts

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+import * as createError from "http-errors";
+import * as express from "express";
+import * as path from "path";
+import * as cookieParser from "cookie-parser";
+import * as logger from "morgan";
+
+export class App {
+  protected AppMain: any;
+  public port:number = 3000;
+  constructor () {
+    this.AppMain = express();
+    this.setPlugins()
+  }
+
+
+  private setPlugins (): void {
+    this.AppMain.set('port', this.port)
+    this.AppMain.set('views', path.join(__dirname, '../views'));
+    this.AppMain.set('view engine', 'pug');
+
+    this.AppMain.use(logger('dev'));
+    this.AppMain.use(express.json());
+    this.AppMain.use(express.urlencoded({ extended: false }));
+    this.AppMain.use(cookieParser());
+    this.AppMain.use(express.static(path.join(__dirname, '../public')));
+    this.setRouter()
+  }
+
+  private setRouter (): void {
+    this.setError()
+  }
+
+  private setError (): void {
+    
+    this.AppMain.use(function(req: any, res: any, next: (arg0: createError.HttpError) => void) {
+      next(createError(404));
+    });
+    
+    // error handler
+    this.AppMain.use(function(err: { message: any; status: any; }, req: { app: { get: (arg0: string) => string; }; }, res: { locals: { message: any; error: any; }; status: (arg0: any) => void; render: (arg0: string) => void; }, next: any) {
+      // set locals, only providing error in development
+      res.locals.message = err.message;
+      res.locals.error = req.app.get('env') === 'development' ? err : {};
+    
+      // render the error page
+      res.status(err.status || 500);
+      res.render('error');
+    });
+  }
+}

历届学生/苏琪/2019-08-13/src/run/start.ts

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+import { App } from "./App";
+import * as http from "http";
+export class start extends App {
+  private server:any;
+  constructor () {
+    super()
+    this.server = http.createServer(this.AppMain);
+    this.run()
+  }
+
+  run () {
+    this.server.listen(this.port);
+    this.server.on('error', this.onError);
+    this.server.on('listening', this.onListening);
+  }
+
+  onError (error:any) {
+    if (error.syscall !== 'listen') {
+      throw error;
+    }
+  
+    var bind = typeof this.port === 'string'
+      ? 'Pipe ' + this.port
+      : 'Port ' + this.port;
+  
+    // handle specific listen errors with friendly messages
+    switch (error.code) {
+      case 'EACCES':
+        console.error(bind + ' requires elevated privileges');
+        process.exit(1);
+        break;
+      case 'EADDRINUSE':
+        console.error(bind + ' is already in use');
+        process.exit(1);
+        break;
+      default:
+        throw error;
+    }
+  }
+
+  onListening() {
+    console.log('App is run: http://127.0.0.1:3000');
+  }
+
+}