Con SQL

Recordar crear package:
npm init -y

Author: colo13verdadeo

Diff for: example2.js

@@ -0,0 +1,119 @@
+//Dependencias
+const xlsx = require( 'node-xlsx');
+const fs = require('fs')
+const mysql = require('mysql')
+ 
+//Cierra dependencias
+//MYSQL
+const connection = mysql.createConnection({
+    host: 'localhost',
+    user: 'colo13',
+    password: '123',
+    database: 'colo13v'
+})
+ 
+const pool = mysql.createPool({
+    host: 'localhost',
+    user: 'colo13',
+    password: '123',
+    database: 'colo13v'
+})
+connection.connect((err) => {if(err) throw err;
+console.log('Database conectada')})
+//Cerrar MYSQL
+//Auxiliares
+auxdatos = '';
+//Cierra auxiliares
+ 
+function incertar(){
+    let insertQuery = 'INSERT INTO miembros (usuario, contrase, membresia) VALUES (?, ?, ?)'
+    let query = mysql.format(insertQuery,['colo13', 'picadadetomate', 'comun'])
+    pool.getConnection(function(err, connection){if(err) throw err;
+        connection.query(query, function(err,result){
+            if(err) throw err;
+            console.log(result, 'paso')
+            connection.release()
+        })
+    })
+}
+function leer(){
+    pool.getConnection(function(err, connection){if(err) throw err;
+    connection.query('SELECT * FROM miembros', function(err,result) {if(err) throw err; console.log(result)
+ 
+    console.log(result[0].contrase)
+ 
+    })
+    connection.release()
+})
+}
+function actualizar(){
+    pool.getConnection(function(err, connection){if(err) throw err;
+        let updatequery = 'UPDATE miembros SET usuario = ? WHERE ID = ?';
+        let query = mysql.format(updatequery,['kkopz', '1'])
+    connection.query(query, function(err,result) {if(err) throw err; console.log(result)
+ 
+    })
+    connection.release()
+})
+}
+function creartabla(){
+    pool.getConnection(function(err, connection){if(err) throw err;
+        connection.query('CREATE TABLE miembros (ID int NOT NULL AUTO_INCREMENT,usuario varchar(255) NOT NULL,contrase varchar(255),membresia varchar(255),PRIMARY KEY (ID));', function(err,result) {if(err) throw err; console.log(result)})
+        connection.release()
+    })
+}
+ 
+function borrardato(){
+    pool.getConnection(function(err, connection){if(err) throw err;
+        let removequery = 'DELETE FROM miembros WHERE ID = ?';
+        let query = mysql.format(removequery,['1'])
+    connection.query(query, function(err,result) {if(err) throw err; console.log(result)
+ 
+    })
+    connection.release()
+})
+}
+ 
+ 
+function importar(ruta){
+    usuariosimportar = []
+    contraseñasimportar = []
+    aux = xlsx.parse(ruta)
+    console.log(aux[0].data[0][0],':')
+for(i=1;i< aux[0].data.length;i++){
+    if(aux[0].data[i][0] === undefined || aux[0].data[i][0]===[]) continue;
+   console.log(aux[0].data[i][0],aux[0].data[0][2]+ ': ', aux[0].data[i][2])
+   usuariosimportar.push(aux[0].data[i][0])
+   contraseñasimportar.push(aux[0].data[i][2])
+}
+// console.log(usuariosimportar)
+// console.log(contraseñasimportar)
+// console.log(aux[0].data)
+exportar(usuariosimportar,contraseñasimportar)
+// fs.writeFileSync('./exportadoff.xlsx', datoaexp , 'binary');
+}
+ 
+function exportar(usuarios,contraseñas){
+    data = []
+    data.push(['    Usuarios    ','ID','    Contraseñas   '])
+    data.push([]) 
+    for(k=0;k<usuarios.length;k++){data.push([usuarios[k],k,contraseñas[k]])}
+    console.log(data)
+    const sheetOptions = {'!cols': [{wch: 30}, {wch: 6}, {wch: 30}, {wch: 7}]};
+ 
+    datoaexp = xlsx.build([{name: 'cuentas', data: data}], {sheetOptions})
+    fs.writeFileSync('./cuentas.xlsx', datoaexp , 'binary');
+}
+function prueba(){
+    const rowAverage = [[{t: 'n', z: 10, f: '=AVERAGE(2:2)'}], [1, 2, 3]];
+var buffer = xlsx.build([{name: 'Average Formula', data: rowAverage}]);
+fs.writeFileSync('./prueba.xlsx', buffer , 'binary');
+}
+ 
+importar(`./importarexcel.xlsx`)
+// prueba()
+// creartabla()
+// incertar()
+// leer()
+// actualizar()
+// borrardato()