var connection = mysql.createConnection({ 
 host   : '127.0.0.1', 
 user   : 'root', 
 password : 'root', 
 database : 'Your_Database', 
 port : 3306 
}); 

router.get('/test', function (req, res, next) { 
 var username = req.cookies.username; 
 if(typeof username === "undefined" || username != "yidianzixun@163.com"){ 
  res.redirect('/'); 
 }else{ 
  if(connection.threadId){ 
   return; 
  }else{ 
   connection.connect(function(err) { 
    if (err) { 
     console.error('error connecting: ' + err.stack); 
     return; 
    } 
    console.log('connected as id ' + connection.threadId); 
   }); 
  } 
 } 
}) 

router.post('/test', function (req, res, next) { 
 var startDate = req.body.startDate; 
 var endDate = req.body.endDate; 
 connection.query('SELECT `date`, COUNT(DISTINCT `idea_id`) AS num,  
  SUM(`view`) AS view, SUM(`click`) AS click,  
  SUM(`cost`) AS cost FROM `idea_report_all`  
  where `date` BETWEEN "' + startDate + '" AND "' + endDate +  
  '" GROUP BY `date` ORDER BY `date` ASC', function(err, rows, fields) { 
  if (err) throw err; 
  var rows = calculate(rows); 
  res.send(JSON.stringify(rows)); 
 }); 
}) 

function greateOptions (id, text, xAxisTitle, date, yAxisTitle1, yAxisTitle2, k1,unit1, k2,unit2, series, color, tooltip) { 
  var data = new Object(); 
  data.chart = { 
    renderTo: id, 
  marginLeft: 50, 
  marginTop: 70 
  }; 
 data.colors = color; 
  data.title = { 
    text: text, 
    align: "left" 
  }; 
 data.tooltip = { 
  crosshairs: true, 
  shared: true, 
  useHTML: true, 
  style: { 
   padding: 10 
  }, 
  headerFormat: '<table><tr><td>' + tooltip + '：</td><td>{point.key}</td></tr>', 
  pointFormat: '<tr><td style="color: {series.color}">{series.name}: </td>' + 
         '<td style="text-align: left"><b>{point.y}</b></td></tr>', 
  footerFormat: '</table>' 
 }; 
 data.noData = { 
  style: { 
   fontWeight: 'bold', 
   fontSize: '15px', 
   color: '#303030' 
  } 
 }; 
 data.lang = { 
  noData: "正在为您加载数据......" 
 }; 
 data.credits = { 
  enabled: false 
 }; 
  data.xAxis = { 
    tickPosition: 'outside', 
  title : { 
    text: xAxisTitle || '' 
  }, 
  categories: date 
  }; 
  data.yAxis = [{ 
    lineWidth: 1, 
    title: { 
      text: yAxisTitle1 || '' 
    }, 
    labels: { 
      formatter: function(){ 
        return this.value/k1 + unit1; 
      } 
    } 
  },{ 
    lineWidth: 1, 
    opposite: true, 
    title: { 
      text: yAxisTitle2 || '' 
    }, 
    labels: { 
      formatter: function(){ 
        return this.value/k2 + unit2; 
      } 
    } 
  }]; 
  data.series = series; 
  return data; 
}