图表用于以图形格式表示数据。 以下是Ext JS提供的不同图表:
| 编号 | 图表 |
|---|---|
| 1 | Pie Chart 由于名称表示此图表用于以饼图格式表示数据。 |
| 2 | Line Chart 此图表用于以线图格式表示数据。 |
| 3 | Bar Chart 此图表用于以条形图格式表示数据。 |
| 4 | Area Chart 此图表用于以面积图形式表示数据。 |
1.Ext.js 饼图
描述
此图表用于表示饼图格式的数据。它是一个极坐标图。
语法
这里是简单的语法。
Ext.create('Ext.chart.PolarChart', {
series: [{
Type: 'pie'
..
}]
render and other properties.
});
例
下面是一个简单的例子显示用法。
<!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.PolarChart', {
renderTo: document.body,
width: 600,
height: 300,
store: {
fields: ['name', 'g1'],
data: [
{"name": "Item-0", "g1": 57},
{"name": "Item-1", "g1": 45},
{"name": "Item-2", "g1": 67}
]
},
//configure the legend.
legend: {
docked: 'bottom'
},
//describe the actual pie series.
series: [{
type: 'pie',
xField: 'g1',
label: {
field: 'name'
},
donut: 30 // increase or decrease for increasing or decreasing donut area in middle.
}]
});
});
</script>
</head>
<body>
</body>
</html>
2. Ext.js 折线图
描述
此图表用于以线图格式表示数据。 它是一个笛卡尔图表。
语法
这里是简单的语法。
Ext.create('Ext.chart.CartesianChart',{
series: [{
type: 'line',
xField: 'name',
yField: 'G1'
}]
render, legend and other properties
});
例
下面是一个简单的例子显示用法。
<!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'
},
//define x and y axis.
axes: [{
type: 'numeric',
position: 'left'
}, {
type: 'category',
visibleRange: [0, 1],
position: 'bottom'
}],
//define the actual series
series: [{
type: 'line',
xField: 'name',
yField: 'g1',
title: 'Normal'
}, {
type: 'line',
xField: 'name',
yField: 'g2',
title: 'Smooth'
}]
});
});
</script>
</head>
<body>
</body>
</html>
这将产生以下结果

3. Ext.js 条形图
描述
此图表用于以条形图格式表示数据。 它是一个笛卡尔图表。
语法
这里是简单的语法。
Ext.create('Ext.chart.CartesianChart',{
series: [{
type: 'bar',
xField: 'name',
yField: 'G1'
}]
render, legend and other properties
});
例
下面是一个简单的例子显示用法。
<!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,
flipXY: true,
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}
]
},
//set legend configuration
legend: {
docked: 'right'
},
//define the x and y-axis configuration.
axes: [{
type: 'numeric',
position: 'bottom',
grid: true,
minimum: 0
}, {
type: 'category',
position: 'left'
}],
//define the actual bar series.
series: [{
type: 'bar',
xField: 'name',
yField: ['g1', 'g2'],
axis: 'left'
}]
});
});
</script>
</head>
<body>
</body>
</html>
这将产生以下结果

4. Ext.js 区域图
描述
此图表用于以区域图形格式表示数据。 它是一个笛卡尔图表。
语法
这里是简单的语法。
Ext.create('Ext.chart.CartesianChart',{
series: [{
type: 'area',
xField: 'name',
yField: 'G1'
}]
render, legend and other properties
});
例
下面是一个简单的例子显示用法。
<!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: 'right'
},
axes: [{
type: 'numeric',
position: 'left',
grid: true
}, {
type: 'category',
position: 'bottom',
visibleRange: [0,5]
}],
series: [{
type: 'area',
xField: 'name',
yField: ['g1', 'g2'],
title: ['G1', 'G2']
}]
});
});
</script>
</head>
<body>
</body>
</html>
这将产生以下结果

9615



被折叠的 条评论
为什么被折叠?



