我想在页面加载后只显示一张图表,然后您可以在下拉菜单中选择图表。问题是当我添加类display:none;
时,在下拉列表中选中时,图形将不会加载。在下拉菜单中选择时,显示无中断chart.js
我该如何解决这个问题?
<select id='chart-graph-progress'>
<option value="revenue-opt">Revenue</option>
<option value="rpu-opt">Revenue per user</option>
</select>
<div class="card2 full-chart-topmargin" id='revenue'>
<div class="big-text1-blue text-center">
Revenue
</div>
<div class="card-block">
<div class="chart-wrapper fullsize">
<canvas id="revenue-chart"></canvas>
</div>
</div>
</div>
<div style="display:none;" class="card2 full-chart-topmargin" id='rpu'>
<div class="big-text1-blue text-center">
Revenue per user
</div>
<div class="card-block">
<div class="chart-wrapper fullsize">
<canvas id="rpu-chart"></canvas>
</div>
</div>
</div>
这是我的custom.js文件。
$(document).ready(function(){
$('#chart-graph-progress').on('change', function() {
if (this.value == 'revenue-opt')
{
$("#revenue").show();
}
else
{
$("#revenue").hide();
}
});
$('#chart-graph-progress').on('change', function() {
if (this.value == 'rpu-opt')
{
$("#rpu").show();
}
else
{
$("#rpu").hide();
}
});
});
chart.js之
var randomScalingFactor = function(){ return Math.round(Math.random()*100)};
var lineChartData = {
labels : ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'],
datasets : [
{
label: 'Revenue',
labelColor : '#fff',
fontColor : '#fff' ,
backgroundColor : 'rgba(220,220,220,0.2)',
borderColor : 'rgba(220,220,220,1)',
pointBackgroundColor : 'rgba(220,220,220,1)',
pointBorderColor : '#fff',
data : [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()]
}
]
};
var options = {
maintainAspectRatio: false,
legend: {
display: false,
},
scales: {
xAxes: [{
gridLines: {
display: false,
color: '#03A5C5',
lineWidth: 8,
},
ticks: {
fontColor: "white",
},
}],
yAxes: [{
gridLines: {
display: false,
color: '#03A5C5',
lineWidth: 8,
},
ticks: {
fontColor: "white",
beginAtZero: true,
}
}]
}
};
var ctx = document.getElementById('revenue-chart');
var chart = new Chart(ctx, {
responsive: true,
type: 'line',
data: lineChartData,
options: options
});
var randomScalingFactor = function(){ return Math.round(Math.random()*100)};
var lineChartData = {
labels : ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'],
datasets : [
{
label: 'Revenue',
labelColor : '#fff',
fontColor : '#fff' ,
backgroundColor : 'rgba(220,220,220,0.2)',
borderColor : 'rgba(220,220,220,1)',
pointBackgroundColor : 'rgba(220,220,220,1)',
pointBorderColor : '#fff',
data : [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()]
}
]
};
var options = {
maintainAspectRatio: false,
legend: {
display: false,
},
scales: {
xAxes: [{
gridLines: {
display: false,
color: '#03A5C5',
lineWidth: 8,
},
ticks: {
fontColor: "white",
},
}],
yAxes: [{
gridLines: {
display: false,
color: '#03A5C5',
lineWidth: 8,
},
ticks: {
fontColor: "white",
beginAtZero: true,
}
}]
}
};
var ctx = document.getElementById('rpu-chart');
var chart = new Chart(ctx, {
responsive: true,
type: 'line',
data: lineChartData,
options: options
});
请问什么图形?从提供的HTML和JS代码中,一切看起来都不错,并且您的代码不包含任何图形。您是否在使用ChartJS或其他库来初始化图表?如果是这样,请提供这些代码。 –
@nelsonyeung感谢您的回答。我有一个单独的chart.js图。当我删除显示时,图表显示:无。现在编辑和添加代码:) – 9minday
@nelsonyeung更新:) – 9minday