csvデータからPHP・chart.jsで、日経平均株価のチャートを作ってみた

簡単すぎるぞ～

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
<?php
 
$data = file('nikkei225.csv', FILE_IGNORE_NEW_LINES);
 
unset($data&#91;0&#93;,$data&#91;-1&#93;);
 
function cut($item){
    return explode(',', $item);
}
 
$data = array_map("cut", $data);
 
foreach ($data as $value){
    $days&#91;&#93; = $value&#91;0&#93;;
    $high&#91;&#93; = $value&#91;3&#93;;
    $low&#91;&#93; = $value&#91;4&#93;;
}
/*
$php_day = json_encode($days);
$php_json = json_encode($low);*/
?>
<html>
<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.1.4/Chart.min.js"></script>
</head>
 
<body>
    <p><?php echo $php_json; ?></p>
  <canvas id="stage"></canvas>
</body>
<script type="text/javascript">
var array = <?php echo json_encode($days, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT); ?>;
console.log(array);
var array2 = <?php echo json_encode($high, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT); ?>;
console.log(array2);
var ctx = document.getElementById("stage");
var myLineChart = new Chart(ctx, {
  //グラフの種類
  type: 'line',
  //データの設定
   
  data: {
      //データ項目のラベル
      labels: array,
      //データセット
      datasets: [{
          //凡例
          label: "日経平均株価",
          //背景色
          backgroundColor: "rgba(75,192,192,0.4)",
          //枠線の色
          borderColor: "rgba(75,192,192,1)",
          //グラフのデータ
          data: array2
      }]
  },
  //オプションの設定
  options: {
      scales: {
          //縦軸の設定
          yAxes: [{
              ticks: {
                  //最小値を0にする
                  beginAtZero: true
              }
          }]
      }
  }
});
</script>
</html>