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servidor.js
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servidor.js
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var express = require('express');
var bodyParser = require('body-parser');
var fs = require("fs");
const file = "data.json";
var app = express();
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(function (req, res, next) {
// Website you wish to allow to connect
res.setHeader('Access-Control-Allow-Origin', 'http://localhost:8080');
// Request methods you wish to allow
res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
// Request headers you wish to allow
res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');
// Set to true if you need the website to include cookies in the requests sent
// to the API (e.g. in case you use sessions)
res.setHeader('Access-Control-Allow-Credentials', true);
// Pass to next layer of middleware
next();
});
app.listen(3000, function () {
console.log('Servidor rodando na porta 3000!');
});
app.get('/', function (request, response) {
response.send("Servidor rodando...")
});
app.get('/cliente', function (req, res) {
fs.readFile(file, function read(error, data) {
if (error) {
console.error("Erro: " + error.message);
res.error("Erro: " + error.message);
} else {
console.log("Read File: " + data);
res.setHeader('Content-Type', 'application/json');
res.send(data);
}
});
});
app.post('/cliente', function (req, res) {
fs.readFile(file, 'utf8', function readFileCallback(error, data) {
if (error) {
console.error("Erro: " + error.message);
res.error("Erro: " + error.message);
} else {
let obj = [];
console.log("Read file in write: " + data);
if (data != undefined && data.length > 0) {
obj = JSON.parse(data);
}
obj.push(req.body);
fs.writeFile(file, JSON.stringify(obj), function (error) {
res.send("Cliente cadastrado com sucesso");
});
}
});
});