AmChart 错误值

问题描述

如何更改编辑或更改图表中的 12:00?不需要,也需要很多空间,我尝试了所有我能做的方法,但并没有消失,我正在尝试从 API(自己制作的 API)获取显示的数据。请帮忙?

图表js代码

<script>
    // Haetan data omasta APistä 
    fetch('https://users.metropolia.fi/~noorja/WSK12021/OTIUM02-offical/OTIUM02/API/hrv.PHP')
        .then((response) => {
            return response.json();
        })
        .then((data) => {
            console.log(data);
            // Themes begin
            am4core.useTheme(am4themes_animated);
            // Themes end

            // Create chart
            var chart = am4core.create("chartdiv",am4charts.XYChart);
            chart.paddingRight = 20;

            chart.data = data;
            chart.dateFormatter.inputDateFormat = "MM-dd";

            var dateAxis = chart.xAxes.push(new am4charts.DateAxis());
            dateAxis.renderer.minGriddistance = 50;
            dateAxis.baseInterval = {
                timeUnit: "MM-dd",count: 1
            };

            var valueAxis = chart.yAxes.push(new am4charts.ValueAxis());
            valueAxis.tooltip.disabled = true;

            var series = chart.series.push(new am4charts.StepLineseries());
            series.datafields.dateX = "day";
            series.datafields.valueY = "value";
            series.tooltipText = "{valueY.value}";
            series.strokeWidth = 3;

            chart.cursor = new am4charts.XYCursor();
            chart.cursor.xAxis = dateAxis;
            chart.cursor.fullWidthLineX = true;
            chart.cursor.lineX.strokeWidth = 0;
            chart.cursor.lineX.fill = chart.colors.getIndex(2);
            chart.cursor.lineX.fillOpacity = 0.1;

            chart.scrollbarX = new am4core.Scrollbar();

        });
</script>

API 文件

<?PHP header("Access-Control-Allow-Origin: *");
header("Content-Type: application/json; charset=UTF-8"); 

//Tästä voi käytä tietokanta ja sessioita 
 $data1 = array(
array("day"=> "04-21","value"=> 3),array("day"=> "04-22","value"=> 4),array("day"=> "04-23",array("day"=> "04-24","value"=> 2),array("day"=> "04-25","value"=> 5),array("day"=> "04-26",array("day"=> "04-27","value"=> 4)
 );
 echo(json_encode($data1));
  
 ?>

我尝试将 yyyy 原样更改为 MM-dd,然后添加了 12:00。

就上下文而言,这就是图表的样子。

chart

解决方法

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