我使用以下代码显示我的chart.js库图表:
HTML部分:
<div style="width:60%">
<div>
<canvas id="canvas_all" height="450" width="600"></canvas>
</div>
和脚本:
var lineChartDataAll = {
labels : <?php echo json_encode($all_date_label) ?>,
datasets : [
{
label: "My First dataset",
fillColor : "rgba(220,220,220,0.2)",
strokeColor : "rgba(220,220,220,1)",
pointColor : "rgba(220,220,220,1)",
pointStrokeColor : "#fff",
pointHighlightFill : "#fff",
pointHighlightStroke : "rgba(220,220,220,1)",
data : <?php echo json_encode($all_hum_data) ?>
},
{
label: "My Second dataset",
fillColor : "rgba(151,187,205,0.2)",
strokeColor : "rgba(151,187,205,1)",
pointColor : "rgba(151,187,205,1)",
pointStrokeColor : "#fff",
pointHighlightFill : "#fff",
pointHighlightStroke : "rgba(151,187,205,1)",
data : <?php echo json_encode($all_temp_data) ?>
}
]
}
window.onload = function(){
var ctx = document.getElementById("canvas").getContext("2d");
window.myLine = new Chart(ctx).Line(lineChartData, {
responsive: true
});
var ctx_all = document.getElementById("canvas_all").getContext("2d");
window.myLine = new Chart(ctx_all).Line(lineChartDataAll, {
responsive: true,
showXLabels: 10
});
}
现在,我对此选项有疑问:showXLabels:10
我是否以正确的方式使用此选项?
我希望x轴上只有一个视图x(10)标签......这就是目标。
现在图表显示所有x标签......
答案 0 :(得分:0)
(问题)评论中引用的选项来自尚未合并到主分支的PR 521。后来这被制成了PR 897,它还没有被合并。
因此,如果您需要此功能,则应使用上述任一代码。
这是一个小提琴 - http://jsfiddle.net/trhcafut/就是这么做的。我刚刚在PR的Chart.Core和Chart.Line之后添加了下面的代码块(只是滚动到JS块的最后)。
var lineChartData = {
labels : ["January", "February", "March", "April", "May", "June", "July"],
datasets : [
{
label: "My First dataset",
fillColor : "rgba(220,220,220,0.2)",
strokeColor : "rgba(220,220,220,1)",
pointColor : "rgba(220,220,220,1)",
pointStrokeColor : "#fff",
pointHighlightFill : "#fff",
pointHighlightStroke : "rgba(220,220,220,1)",
data : [65, 59, 80, 81, 56, 55, 40]
},
{
label: "My Second dataset",
fillColor : "rgba(151,187,205,0.2)",
strokeColor : "rgba(151,187,205,1)",
pointColor : "rgba(151,187,205,1)",
pointStrokeColor : "#fff",
pointHighlightFill : "#fff",
pointHighlightStroke : "rgba(151,187,205,1)",
data : [28, 48, 40, 19, 86, 27, 90]
}
]
}
var ctx_all = $("#canvas_all").get(0).getContext("2d");
window.myLine = new Chart(ctx_all).Line(lineChartData, {
showXLabels: 3
});
请注意,如果您执行此操作,您将无法在分支后获得对Chart.js所做的任何更改。