simple node js app || lyckas inte komma sidan. || LÖST

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Sep 2009

simple node js app || lyckas inte komma sidan. || LÖST

Hej har gjort ett enkelt node js script med express, jag får inga errors av att köra scriptet men jag verka inte komma åt den heller.
Här nedan kommer information:

Dator: Ubuntu Gnome 16.04

node js version: 5.1.0

script:

//restapi.js //load the express var express = require('express'); var app = express(); // Get an instance of the express router var router = express.Router(); // Get body-parser. var bodyParser = require('body-parser'); // configure app to use body parser witch will // enable us to get data from .post (might be unessacary) app.use(bodyParser.urlencoded({ extended: true })); app.use(bodyParser.json()); // Sets the port var port = process.env.PORT || 8080; //Create Courses variable var courses = []; //defualt data for the variable. courses[0] = '{"_id":1,"courseId":"DT162G","courseName":"Javascript-baserad webbutveckling","coursePeriod":1}'; courses[1] = '{"_id":2,"courseId":"IK060G","courseName":"Projektledning","coursePeriod":1}'; courses[2] = '{"_id":3,"courseId":"DT071G","courseName":"Programmering i C#.NET","coursePeriod":2}'; courses[3] = '{"_id":4,"courseId":"DT148G","courseName":"Webbutveckling för mobila enheter","coursePeriod":2}'; courses[4] = '{"_id":5,"courseId":"DT102G","courseName":"ASP.NET med C#","coursePeriod":3}'; courses[5] = '{"_id":6,"courseId":"IG021G","courseName":"Affärsplaner och kommersialisering","coursePeriod":3}'; courses[6] = '{"_id":7,"courseId":"DT069G","courseName":"Multimedia för webben","coursePeriod":4}'; courses[7] = '{"_id":8,"courseId":"DT080G","courseName":"Självständigt arbete","coursePeriod":4}'; /* * Get all courses */ router.get('/', function(req, res, next){ //Make the string typ in json format. var out = "["; for(row of courses){ out += row.replace("'", ""); out += ","; } out += "]"; out = out.replace(",]", "]"); console.log("Data being sent: all courses; "+out); //make a json parsing var jsonObj = JSON.parse(out); //fixing type res.ContentType('application/json'); //Sends the json object. res.send(jsonObj); }); /* * Get a specific course of id */ router.get('/:id', function(req, res, next){ var id = req.params.id; Found = "This courses doesn't exist"; for(row of courses){ //remove white space. tmp = row.replace(/\s+/g, ''); //Does not exisit anymore or ever. if(tmp.indexOf("_id\":\""+id+'\"','') > 0){ Found = row; } } console.log("Data being sent is: "+Found); res.ContentType('application/json'); res.send(Found); }); /* * Delete course according to id */ router.delete('/:id', function(req, res, next){ var id = req.params.id; var del = -1; var cnt = 0; for(row of courses){ // remove white space tmp=row.replace(/\s+/g, '') // find what should be deleted if(tmp.indexOf("_id\":\""+id+'\",')){ del = cnt; } cnt++; } if(del >= 0){ status = users.splice(del, 1); } console.log("id to be deleted: "+id); res.ContentType('application/json'); res.send(id); }); // Listen on port 8000, IP defaults to 127.0.0.1 app.listen(8080); // Write the server adress to the console console.log("Server running at http://127.0.0.1:8080/");

Project struktur:

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RESTClient test: get

  • Är det koden eller något annat?

  • I fall det är koden ser något ett upenbart fel?

Tack för hjälpen!

Смерть -это решение всех проблем. Нет человека - нет проблемы
Comp1: Ubuntu 16.04 Comp2: Arch Linux
Comp3: Ubuntu Server 16.04 Comp4: Centos 6.5
Comp5: Linux mint 16 Comp6: Raspberry pi (olika OS hela tiden)
Phone: Motorola Google Nexus 6

Trädvy Permalänk
Medlem
Registrerad
Sep 2009

Ska även tillägga att utskrifterna i vardera funktion inte skrivs ut i terminalen eller konsolen.

Смерть -это решение всех проблем. Нет человека - нет проблемы
Comp1: Ubuntu 16.04 Comp2: Arch Linux
Comp3: Ubuntu Server 16.04 Comp4: Centos 6.5
Comp5: Linux mint 16 Comp6: Raspberry pi (olika OS hela tiden)
Phone: Motorola Google Nexus 6

Trädvy Permalänk
Medlem
Registrerad
Sep 2009

Allt är löst nu enligt RESTClient iaf.

Bara dålig kod nu är den omskriven till denna:

//restapi.js //load the express var express = require('express'); var app = express(); // Get body-parser. var bodyParser = require('body-parser'); // configure app to use body parser witch will // enable us to get data from .post (might be unessacary) app.use(bodyParser.urlencoded({ extended: true })); app.use(bodyParser.json()); // Sets the port var port = process.env.PORT || 8080; //Create Courses variable var courses = [ {_id : 1, courseId : "DT162G", courseName : "Javascript-baserad webbutveckling", coursePeriod : 1}, {_id : 2, courseId : "IK060G", courseName : "Projektledning", coursePeriod : 1}, {_id : 3, courseId : "DT071G", courseName : "Programmering i C#.NET", coursePeriod : 2}, {_id : 4, courseId : "DT148G", courseName : "Webbutveckling för mobila enheter", coursePeriod : 2}, {_id : 5, courseId : "DT102G", courseName : "ASP.NET med C#", coursePeriod : 3}, {_id : 6, courseId : "IG021G", courseName : "Affärsplaner och kommersialisering", coursePeriod : 3}, {_id : 7, courseId : "DT069G", courseName : "Multimedia för webben", coursePeriod : 4}, {_id : 8, courseId : "DT080G", courseName : "Självständigt arbete", coursePeriod : 4} ]; /* * Get all courses */ app.get('/', function(req, res, next){ console.log("All"); res.json(courses); }); /* * Get a specific course of id */ app.get('/:id', function(req, res, next){ var Found = [{text : "This courses doesn't exist"}]; var id = req.params.id; for(row of courses){ if(row._id == id){ Found = row; } } console.log("Sent data: "+Found); // res.ContentType('application/json'); res.json(Found); }); /* * Delete course according to id */ app.delete('/:id', function(req, res, next){ var id = req.params.id; var del = -1; var cnt = 0; for(row of courses){ // find what should be deleted if(row._id == id){ del = cnt; } cnt++; } var found = [{text: "Not found"}]; if(del >= 0){ courses.splice(del, 1); res.statusCode = 200; console.log("id that gets deleted: "+id); found = [{text: "Done"}]; } else{ res.statusCode = 404; console.log("Id not found (delete)"); } res.json(found); }); // Lisen to port, app.listen(port); // Write the server adress to the console console.log("Server running at http://127.0.0.1:8080/");

Смерть -это решение всех проблем. Нет человека - нет проблемы
Comp1: Ubuntu 16.04 Comp2: Arch Linux
Comp3: Ubuntu Server 16.04 Comp4: Centos 6.5
Comp5: Linux mint 16 Comp6: Raspberry pi (olika OS hela tiden)
Phone: Motorola Google Nexus 6