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Javascript 如何从会话存储将数据放入Highchart?_Javascript_Html_Session_Highcharts_Session Variables - Fatal编程技术网

Javascript 如何从会话存储将数据放入Highchart?

Javascript 如何从会话存储将数据放入Highchart?,javascript,html,session,highcharts,session-variables,Javascript,Html,Session,Highcharts,Session Variables,我试图从会话存储变量加载饼图中的数据,但没有得到任何结果 我想要这个: $(function () { Highcharts.chart('container', { chart: { type: 'pie', options3d: { enabled: true, alpha: 45 } }, title: { text: 'Contents of Highs

我试图从会话存储变量加载饼图中的数据,但没有得到任何结果

我想要这个:

$(function () {
Highcharts.chart('container', {
    chart: {
        type: 'pie',
        options3d: {
            enabled: true,
            alpha: 45
        }
    },
    title: {
        text: 'Contents of Highsoft\'s weekly fruit delivery'
    },
    subtitle: {
        text: '3D donut in Highcharts'
    },
    plotOptions: {
        pie: {
            innerSize: 100,
            depth: 45
        }
    },
    series: [{
        name: 'Delivered amount',
        data: [
            ['Bananas', 8],
            ['Kiwi', 3],
            ['Mixed nuts', 1],
            ['Oranges', 6],
            ['Apples', 8],
            ['Pears', 4],
            ['Clementines', 4],
            ['Reddish (bag)', 1],
            ['Grapes (bunch)', 1]
        ]
    }]
});
}))

我将信息存储在会话变量中,如下所示:

sessionStorage.data = "['Bananas', 9], ['Kiwi', 9]";
'[["Bananas", 9], ["Kiwi", 9]]'
然后,我把这个变量放在数据字段中:

$(function () {
Highcharts.chart('container', {
    chart: {
        type: 'pie',
        options3d: {
            enabled: true,
            alpha: 45
        }
    },
    title: {
        text: 'Contents of Highsoft\'s weekly fruit delivery'
    },
    subtitle: {
        text: '3D donut in Highcharts'
    },
    plotOptions: {
        pie: {
            innerSize: 100,
            depth: 45
        }
    },
    series: [{
        name: 'Delivered amount',
        data: sessionStorage.data
    }]
});
}))

我做错了什么

非常感谢

变化

series : [[{name: 'Delivered amount',data: sessionStorage.data}]


您将会话数据存储为字符串,然后尝试将Highcharts数据设置为该字符串-您应该将其取消序列化为javascript数组

如果将
会话存储.data
的格式更改如下:

sessionStorage.data = "['Bananas', 9], ['Kiwi', 9]";
'[["Bananas", 9], ["Kiwi", 9]]'
您可以使用
JSON.parse
取消序列化:

series: [{
    name: 'Delivered amount',
    data: JSON.parse(sessionStorage.data)
}]

我不能这样做,因为highcharts语法必须与“:”一起使用!现在我了解了如何使用highcharts中的会话数据进行JSON解析。非常感谢!