var express = require('express');
var pg = require('pg');
var app = express();
////////////////////////////用户名:密码/服务器名/数据库名
var conString = "postgres://postgres:password@localhost/test";
var client = new pg.Client(conString);
client.connect();
client.query('INSERT INTO t_user(id, name) VALUES($1, $2)', [3, 'laoyang']);
app.get('/', function(req, res){
query = client.query('SELECT COUNT(id) AS n FROM t_user');
query.on('row', function(result) {
console.log(result);
if (!result) {
return res.send('No data found');
} else {
res.send('Visits today: ' + result.n);
}
});
});
app.listen(3000);
console.log('Listening on port 3000');