highcharts 图例全选按钮方法

    $('#uncheckAll').click(function(){
        var chart = $('#container').highcharts();
        var series = chart.series;
        for(i=0; i < chart.series.length; i++) {
            series[i].setVisible(false, false);
        }
        chart.redraw();
    });

    $('#checkAll').click(function(){
        var chart = $('#container').highcharts();
        var series = chart.series;
        for(i=0; i < chart.series.length; i++) {
            series[i].setVisible(true, true);
        }
        chart.redraw();
    });