Auf mysql Result in node.js zugreifen.

[Uri]

Jetzt bin ich verwirrt. counter ist definiert in getBuildingInformationForEach(), müsste also in app.get('/count_buildings', ...); doch existieren? Die Console.log() innerhalb app.get('/count_buildings', ...); werden aus irgendeinem Grund nicht ausgeführt.

function getBuildingInformationForEach(){
  
  
  var counter;
  console.log("1. type: " + typeof(counter));

app.get('/count_buildings', function(req, res) { 
  console.log("type: " + typeof(counter));
    var connection = mysql.createConnection({
      host     : 'localhost',
      user     : 'root',
      password : ''
    });
    connection.connect();
    connection.query('sqlQuery', function(err, results) {
        if (err) throw err;
        counter ={buildingsCounter:results};
        console.log("2. type: " + typeof(counter));
        res.json(counter);
          

      });
    connection.end();
});
  
lupus(0, 1, function(n) {
  console.log("3. type: " + typeof(counter));
  app.get('/Buildings_Details-'+n, function(req, res) {                                                    
    var connection = mysql.createConnection({
      host     : 'localhost',
      user     : 'root',
      password : ''
      
    });
    connection.connect();
    connection.query('sqlQuery', function(err, rows, fields) {
      if (err) throw err;
     
      res.json({Wohnungen:rows});
    });
    connection.end();
});
  
}, 
function() {
  console.log('All done!');
}); 
 
};

getBuildingInformationForEach();

Das sagt die Konsole, wenn ich den Server starte.

1. type: undefined

Example app listening on port 8080!

3. type: undefined

All done

Gruß Uri