last

script/js.js

@@ -1,18 +1,70 @@
-console.log('huynya');
-console.log(4+9);
-let switchBackground = 0;
-// 16777215
-// while (true) {
-//     document.querySelector('.main-wrapper').style.backgroundColor='#'+switchBackground.toString(16);
-//     switchBackground+=100; 
-//     console.log(switchBackground)
-//     if (switchBackground >=16777215) { switchBackground = 0 }
-//     console.log(document.querySelector('.main-wrapper').style.backgroundColor)
-//     setTimeout(
-//         () => {
-//             console.log(document.querySelector('.main-wrapper').style.backgroundColor) 
-//         },
-//         3000
-//     );
+console.log('wrok');
+const pg = require('pg');
 
-// }
+const config = {
+    host: '77.34.74.77',
+    // Do not hard code your username and password.
+    // Consider using Node environment variables.
+    user: 'postgres',     
+    password: 'postgres',
+    database: 'postgres',
+    port: 5432,
+    ssl: false
+};
+
+const client = new pg.Client(config);
+
+client.connect
+(
+    err => 
+    {
+        if (err) throw err;
+        else 
+        { 
+            addToDvachDatabase();
+            queryDatabase(); 
+        }
+    }
+);
+
+function addToDvachDatabase() {  //Добавляем значение в базу данных dvach
+
+    console.log(`Running query to PostgreSQL server: ${config.host}`);
+
+    const query = "INSERT INTO dvach (post) VALUES ('Привет двач');";
+
+    client.query(query)
+        .then(res => {
+            //const rows = res.rows;
+
+            //rows.map(row => {
+                //console.log(`Прочитано следующее : ${JSON.stringify(row)}`);
+           // });
+
+            //process.exit();
+        })
+        .catch(err => {
+            console.log(err);
+        });
+}
+
+function queryDatabase() {  //VSE ZNACHENIYA IZ BAZI DANNYKH
+
+    console.log(`Running query to PostgreSQL server: ${config.host}`);
+
+    const query = 'SELECT * FROM dvach;';
+
+    client.query(query)
+        .then(res => {
+            const rows = res.rows;
+
+            rows.map(row => {
+                console.log(`Прочитано следующее : ${JSON.stringify(row)}`);
+            });
+
+            process.exit();
+        })
+        .catch(err => {
+            console.log(err);
+        });
+}