Question

我正在使用Yii2扩展名miloschuman/yii2-highcharts来绘制图表，并且将php数组传递到图表中感到困惑。

我的数组值

Array
(
    [Power Electronics] => 14.00
    [Introduction to Programming] => 3.92
    [Data base Management System] => 3.28
    [Object Oriented Analysis and Design] => 1.96
)

现在我只是要将这些数据添加到我的高图中，就像下面的代码一样，我正在数组上方传递。

从我的高级代码中

'series' => [
    [
        "name" => "Exam Results",
        "data" => $course_data,
        'dataLabels' => [
            'enabled' => true,
            'rotation' => -90,
            'color' => '#FFFFFF',
            'align' => 'right',
            'format' => '{point.y:.1f}', // one decimal
            'y' => 10, // 10 pixels down from the top
            'style' => [],
            'fontSize' => '13px',
            'fontFamily' => 'Verdana, sans-serif',
        ],
    ],
],

我已经尝试了很多事情，但没有获得我想要的输出，例如this charts。

Answer 1

您是否尝试过将提到的数组作为参数传递来调用const event = new Date('August 19, 1975 23:15:30'); console.log(event.toString()); // expected output: Tue Aug 19 1975 23:15:30 GMT+0200 (Central European Standard Time)函数？这是代码：

json_encode

[编辑]

您也可以尝试使用<?php $data = [ ['Power Electronics', 14.00], ['Introduction to Programming', 3.92], ['Data base Management System', 3.28], ['Object Oriented Analysis and Design', 1.96], ]; echo json_encode($data);功能。在文档中有有关使用它的信息，这里是链接：https://github.com/miloschuman/yii2-highcharts/blob/master/doc/examples/series-data-helper.md#using-numerically-indexed-data

这是示例代码：

SeriesDataHelper

Answer 2

根据文档，您的数组格式无效。看起来应该像他的：

$data = [
    ['Power Electronics', 14.00],
    ['Introduction to Programming', 3.92],
    ['Data base Management System', 3.28],
    ['Object Oriented Analysis and Design', 1.96],
];

您可以使用简单的foreach来解决此问题：

$newData = [];
foreach ($data as $key => $value) {
    $newData[] = [$key, $value];
}

Yii2如何将php数组数据传递到highcharts

2 个答案: