Javascript Highcharts饼图数据格式
我有一个从文件中获取数据的饼图。在原始形式中,这是Javascript Highcharts饼图数据格式,javascript,charts,highcharts,Javascript,Charts,Highcharts,我有一个从文件中获取数据的饼图。在原始形式中,这是数据: [{"name":"Dual","load":"20"},{"name":"Gas","load":"35"},{"name":"Other_Fossil_Fuels","load":"15"},{"name":"Nuclear","load":"12"},{"name":"Hydro","load":"8"},{"name":"Wind","load":"10"},{"name":"Other_Renwables","load":"10
数据
:
[{"name":"Dual","load":"20"},{"name":"Gas","load":"35"},{"name":"Other_Fossil_Fuels","load":"15"},{"name":"Nuclear","load":"12"},{"name":"Hydro","load":"8"},{"name":"Wind","load":"10"},{"name":"Other_Renwables","load":"10"}]
我正在尝试制定一种方法,正确格式化这些数据,以便在饼图中使用。但是,只有名称
正确通过,所有百分比都设置为0。我觉得这是因为原始数据保存为字符串。但是在按下之前对数据使用parseInt()
没有帮助,==
检查返回num
。下面是我试图实现的代码
function setPieData(data){
var json = JSON.parse(data);
var fuelTypes = [{name: 'Dual',load:[]},
{name: 'Gas', load:[]},
{name: 'Other_Fossil_Fuels', load:[]},
{name: 'Nuclear', load: []},
{name: 'Hydro', load: []},
{name: 'Wind', load: []},
{name: 'Other_Renwables', load:[]}];
for(i=0; i < json.length; i++){
if(json[i].name == fuelTypes[i].name){
fuelTypes[i].load.push(parseInt(json[i].load));
}
if(fuelTypes[i].load === parseInt(fuelTypes[i].load, 10)){
alert("not num");
}else{
alert("num");
}
}
drawChart(fuelTypes);
}
function drawChart(stuff){
var globalDate = new Date();
var dMth = globalDate.getMonth() + 1;
var dDay = globalDate.getDate();
var dYr = globalDate.getFullYear();
var dStr = dMth + '/' + dDay + '/' + dYr;
title = "Real-time Fuel Mix " + dStr;
var seriesData= stuff;
Highcharts.setOptions({
colors: ['#C00000', '#FF0000', '#7F7F7F', '#FFC000', '#4F81BD', '#00B050', '#92D050']
});
$('#container').highcharts({
chart: {
plotBackgroundColor: null,
plotBorderWidth: null,
plotShadow: false,
type: 'pie'
},
title: {
text: title
},
tooltip: {
pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
},
plotOptions: {
pie: {
allowPointSelect: true,
cursor: 'pointer',
dataLabels: {
enabled: true,
format: '<b>{point.name}</b>: {point.percentage:.1f} %',
style: {
color: (Highcharts.theme && Highcharts.theme.contrastTextColor) || 'black'
}
},
showInLegend: true
}
},
series: [{
name: "MI Power",
colorByPoint: true,
data: stuff
}]
函数setPieData(数据){
var json=json.parse(数据);
var fuelTypes=[{name:'Dual',load:[]},
{名称:'气体',负载:[]},
{名称:'其他化石燃料',装载量:[]},
{name:'Nuclear',load:[]},
{name:'Hydro',load:[]},
{名称:'风',荷载:[]},
{name:'Other_Renwables',load:[]}];
for(i=0;i
创建一个数组并按如下方式推送数据
var dataPie =[];
var abc =your data //your json
$.each(abc,function(i,el)
{
dataPie.push({name :el.name,y: parseInt(el.load)});
});
在drawChart函数中使用dataPie
见工作