基于Label的Chart.js条形图加载数据 [英] Chart.js Bar chart load data based on Label
本文介绍了基于Label的Chart.js条形图加载数据的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在使用Chart.js制作条形图。我需要在条形图中显示12个月的数据。所以在2016年,我只有二月,三月和四月的数据。在标签im中,以年份1月2016年至2016年12月为例,加载所有12个月。
I'm using Chart.js for bar chart. I need to display 12 months data in bar chart. So in 2016 year i have only feb,mar and apr i have data. In label im loading all 12 months with year example Jan2016 to Dec2016.
var monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
];
var startmonth = ["Dec", "Nov", "Oct", "Sep", "Aug", "Jul",
"Jun", "May", "Apr", "Mar", "Feb", "Jan"
];
var itemMonths = [];
var start;
var end = 11;
var month;
var year;
var date = new Date();
month = date.getMonth();
year = parseInt(Result[0].yearfromdb); //getting createddate year from db
start = 0;
for (var i = 0; i < 12; i++) {
var months = monthNames[start];
itemMonths.push(months + year);
start = start + 1;
if (start == 12) {
start = 0;
year = year + 1;
}
}
for (var i in Result)
{
itemCountList.push( Result[i].Counts );// Result is List from Db contains Feb,mar and apr total counts..
}
var mybarChart = null;
var ctx = document.getElementById("mybarChart");
mybarChart = new Chart(ctx, {
type: 'bar',
data: {
labels: itemMonths
,
datasets: [{
label: 'Total Count',
backgroundColor: "#26B99A",
data: itemCountList
}]
},
options: {
scales: {
yAxes: [{
ticks: {
beginAtZero: true,
steps: 10,
stepValue: 5,
max: 100
}
}],
xAxes: [{
steps: 10,
stepValue: 5,
max: 12
}]
}
}
});
我的问题是,数据是从jan,feb,march而不是feb,mar,apr加载的。 ...
如何执行此操作?请帮助我...
My problem is , data is loading from jan,feb,march instead of feb,mar,apr.... How to do this? please help me...
推荐答案
var Result=[];
Result.push({Months:"Feb",Years:2016,Counts:6});
Result.push({Months:"Mar",Years:2016,Counts:1});
Result.push({Months:"Apr",Years:2016,Counts:1});
for(var j in itemMonths)
{
for(var i in Result)
{
if(itemMonths[j]==Result[i].Months+Result[i].Years)
{
itemCountList[j]=Result[i].Counts;
//itemCountList.push( Result[i].Counts )
}
}
}
尝试一下...
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