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Php Google图表返回错误未捕获引用错误:未定义mon_Php_Codeigniter - Fatal编程技术网

Php Google图表返回错误未捕获引用错误:未定义mon

Php Google图表返回错误未捕获引用错误:未定义mon,php,codeigniter,Php,Codeigniter,我需要在我的项目上实现GoogleChart,但正如我所说的,它返回错误。这是我的视图代码 像字符串一样的月份和不工作的天数,数字都是正常的 我从codeigniter控制器和模型中获得了这些数据,希望得到答案 <script type="text/javascript" src="https://www.google.com/jsapi"></script> <script type="text/javascript"> google.load("v

我需要在我的项目上实现GoogleChart,但正如我所说的,它返回错误。这是我的视图代码 像字符串一样的月份和不工作的天数,数字都是正常的

我从codeigniter控制器和模型中获得了这些数据,希望得到答案

<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
    google.load("visualization", "1.1", {packages: ['bar', 'timeline']});
    google.setOnLoadCallback(drawChart);
    function drawChart() {
        var data = google.visualization.arrayToDataTable([
            [{type: 'string', label: 'Days'}, {type: 'number', label: 'Viewers'}],
<?php
foreach ($chart_data as $data) {
    $date = strtotime($data->view_time);
    $day = date('D',
            $date); //mon,tue
    echo '[' . $day . ',' . $data->id . '],';
}
?>
        ]);

        var options = {
            chart: {
                title: 'App viewers',
                subtitle: 'Viewers: <?php echo 'Sun' . '-' . 'Sat'; ?>',
            }
        };

        var chart = new google.charts.Bar(document.getElementById('columnchart_material'));

        chart.draw(data, options);
    }
</script>

load(“可视化”,“1.1”,“{packages:['bar”,“timeline']});
setOnLoadCallback(drawChart);
函数绘图图(){
var data=google.visualization.arrayToDataTable([
[{type:'string',label:'Days'},{type:'number',label:'Viewers'}],
]);
变量选项={
图表:{
标题:“应用程序查看器”,
字幕:"观众",,
}
};
var chart=new google.charts.Bar(document.getElementById('columnchart_material');
图表绘制(数据、选项);
}