g8880p - 経済統計練習帳

google.load("visualization", "1", {packages:["corechart"]});
var point = new Array();
 var com = new Array();
 var line = new Array();
 var credit = new Array();
 var dic = new Array();
 var number;
 
function sample() {
 
 
 
 
 
        var query = "SELECT * FROM " +
            '1ZfxcLpV5JfGJcm0nNr2rmFXezVoVj6E6GvV4hXmQ';
        var encodedQuery = encodeURIComponent(query);
 
        var url = ['https://www.googleapis.com/fusiontables/v1/query'];
        url.push('?sql=' + encodedQuery);
        url.push('&key=AIzaSyAH0WCAXRIdHdbI-6bnMSN4kVDDZZmGyqY');
        url.push('&callback=?');
 
 
 
 
 
        $.ajax({
            url: url.join(''),
            dataType: 'jsonp',
            success: function (data) {
                var rows = data['rows'];
 
 
 
                sx = 0;
 
                for (var i in rows) {
                 p=rows[i][1];
                    if(p=="合計")sx = sx + 1;
 
 if(p=="合計")point[sx]=rows[i][3];
 if(p=="合計")com[sx]=rows[i][0];
 if(p=="合計") credit[sx]=rows[i][2];
 
                }
 
 
                number = sx;
 
 dicnumber=0;
 for(s=1;s<number+1;s++){
     h=0;
 for(sx=1;sx<dicnumber+1;sx++){
 if(com[s]==dic[sx])h=100;
 }
 if(h<50)dicnumber=dicnumber+1;
 if(h<50)dic[dicnumber]=com[s];
 } 
 
 
 for(s=1;s<dicnumber+1;s++){
 $('#sel').append($('<option>').html(dic[s]).val(s));
 }
 
 
 
 $("select").change(function () {
 
   var v1 = $("#sel").val();
 
    paint(v1);
 
}); 
 
 
 
 
 
 
 
            }
        });
 
}
 
function paint(v1){
 
 
    var v=new Array();
      var cr=new Array();
   var x = new Array();
 
 
 sx=0;   
for(s=1;s<number+1;s++){
h=0;
if(dic[v1]==com[s])h=1;     
if(h==1)sx=sx+1;
if(h==1)cr[sx]=credit[s];
if(h==1)v[sx]=point[s];
}    
 
  datanumber=sx;  
 
 
 for(s=0;s<datanumber+1;s++){
 x[s]=new Array();    
 }
 x[0][0]="date";
 x[0][1]="指数";
 for(s=1;s<datanumber+1;s++){
 x[s][0]=cr[s];    
 x[s][1]=v[s];   
 }
 
 
var data =google.visualization.arrayToDataTable(x);
var op = {title: '鉄道統計'};
 
var chart = new google.visualization.ColumnChart(document.getElementById('memo'));
chart.draw(data, op);
 
 
}