質問編集履歴
2
タイトルの変更，プログラム内の配列の変更
test
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@@ -1 +1 @@
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1
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Webサイトで横軸を日付，縦軸を時間にした棒グラフを作成したい
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1
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Webサイトで横軸を日付，縦軸を時間にした棒グラフをchartjsで作成したい
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test
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@@ -34,9 +34,9 @@
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<script>
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var data_array =
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var data_array = ["04:39:08", "04:19:01", "06:58:21", "04:54:12", "03:18:22", "05:23:11", "02:34:22"]; /*phpからもらったjson形式の時間データを配列に*/
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39
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var date_array =
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var date_array = ["2018-08-20","2018-08-21","2018-08-22","2018-08-23","2018-08-24","2018-08-25","2018-08-26"];
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1
chartjsを使って試した時の状態を追加
test
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File without changes
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test
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@@ -14,6 +14,70 @@
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```javascript
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var
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var data_array = ["04:39:08", "04:19:01", "06:58:21", "04:54:12", "03:18:22", "05:23:11", "02:34:22"];
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```
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追記：2018/8/23
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24
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25
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chartjsを使用して描画を試しましたがグラフが白紙の状態になってしまいました．
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33
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```javascript
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34
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<script>
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36
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var data_array = JSON.parse('<?php echo $data_array_json; ?>'); /*json形式の時間データを配列に*/
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38
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var date_array = JSON.parse('<?php echo $date_array_json; ?>'); /*json形式の日付ラベルを配列に*/
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40
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var barChartData = {
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labels : date_array,
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datasets : [
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48
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{
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fillColor : /*"#d685b0"*/"rgba(214,133,176,0.7)",
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strokeColor : /*"#d685b0"*/"rgba(214,133,176,0.7)",
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highlightFill: /*"#eebdcb"*/"rgba(238,189,203,0.7)",
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highlightStroke: /*"#eebdcb"*/"rgba(238,189,203,0.7)",
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data : data_array
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}
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]
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64
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65
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66
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}
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68
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69
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window.onload = function(){
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70
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71
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var ctx = document.getElementById("chart").getContext("2d");
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window.myBar = new Chart(ctx).Bar(barChartData, {
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responsive : true
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});
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79
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}
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80
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81
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</script>
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82
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83
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```
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