图表出现但当我将类型更改为条形时它完全是空的,而当我保持水平条形时它完全黑色。
如果我试图削减我的数据只留下几行,那么水平条形图也会显示为空
<html>
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.8.0/Chart.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/5.7.0/d3.min.js"></script>
</head>
<style>
#wrapper {
height: 1000px;
}
</style>
<body>
<div id="wrapper">
<canvas id="chart"></canvas>
</div>
<SCRIPT LANGUAGE=javascript>
function makeChart(products)
var Counter = products.map(function(d) {
return d.Counter;
});
var CumVol = products.map(function(d) {
return +d.CumVol;
});
var chart = new Chart('chart', {
type: "horizontalBar",
options: {
maintainAspectRatio: true,
legend: {
display: false
}
},
data: {
labels: Counter,
datasets: [
{
data: CumVol
}
]
}
});
}
// Request data using D3
d3
.csv("http://localhost:8080/cumvol.csv")
.then(makeChart);
</SCRIPT>
</body></html>
Counter;CumVol
1;0.009999999776482582
2;0.029999999329447746
3;0.06999999843537807
4;0.12999999709427357
5;0.13999999687075615
6;0.14999999664723873
7;0.1599999964237213
这里有几行我的 csv 文件 cumvol
尝试使用另一个文件,一切都正确显示(我的意思是更改列的名称):
Name,Weeks,Gender
Steffi Graf,377,Female
Martina Navratilova,332,Female
Serena Williams,319,Female
Roger Federer,308,Male
Pete Sampras,286,Male
Ivan Lendl,270,Male
Jimmy Connors,268,Male
Chris Evert,260,Female
Novak Djokovic,223,Male
答案 0 :(得分:0)
原因是在两个 CSV 文件中,字段没有用相同的字符分隔(逗号与分号)。
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