Ext.js - 折线图
此图表用于以折线图格式表示数据。它是笛卡尔图。
语法
以下是简单的语法。
Ext.create('Ext.chart.CartesianChart',{
series: [{
type: 'line',
xField: 'name',
yField: 'G1'
}]
render, legend and other properties
});
示例
以下是一个简单的示例，展示了折线图的用法。
<!DOCTYPE html>
<html>
<head>
<link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css"
rel = "stylesheet" />
<script type = "text/javascript"
src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
<script type = "text/javascript"
src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/packages/charts/classic/charts.js"></script>
<link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/packages/charts/classic/classic/resources/charts-all.css"
rel = "stylesheet" />
<script type = "text/javascript">
Ext.onReady(function() {
Ext.create('Ext.chart.CartesianChart', {
renderTo: document.body,
width: 600,
height: 200,
store: {
fields: ['name', 'g1', 'g2'],
data: [
{"name": "Item-0", "g1": 57, "g2": 59},
{"name": "Item-1", "g1": 45, "g2": 50},
{"name": "Item-2", "g1": 67, "g2": 43},
{"name": "Item-3", "g1": 45, "g2": 18},
{"name": "Item-4", "g1": 30, "g2": 90}
]
},
legend: {
docked: 'bottom'
},
//定义 x 和 y 轴。
axes: [{
type: 'numeric',
position: 'left'
}, {
type: 'category',
visibleRange: [0, 1],
position: 'bottom'
}],
//定义实际系列
series: [{
type: 'line',
xField: 'name',
yField: 'g1',
title: 'Normal'
}, {
type: 'line',
xField: 'name',
yField: 'g2',
title: 'Smooth'
}]
});
});
</script>
</head>
<body>
</body>
</html>
上述程序将产生以下结果 −
extjs_components.html
