全局echarts对象
init初始化
registerTheme注册主题
var mCharts = echarts.init(document.querySelector("div"), 'itcast')
registerMap地图图表
connect
代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="lib/echarts.min.js"></script>
<script src="theme/itcast.js"></script>
<script src="lib/jquery.min.js"></script>
</head>
<body>
<div style="width: 600px;height:400px;border: 1px solid red"></div>
<div style="width: 600px;height:400px;border: 1px solid green" id="div1"></div>
<script>
var mCharts = echarts.init(document.querySelector("div"), 'itcast')
var xDataArr = ['张三', '李四', '王五', '闰土', '小明', '茅台', '二妞', '大强']
var yDataArr = [88, 92, 63, 77, 94, 80, 72, 86]
var option = {
toolbox: {
feature: {
saveAsImage: {}
}
},
xAxis: {
type: 'category',
data: xDataArr
},
yAxis: {
type: 'value'
},
series: [
{
type: 'bar',
data: yDataArr,
markPoint: {
data: [
{
type: 'max', name: '最大值'
},
{
type: 'min', name: '最小值'
}
]
},
markLine: {
data: [
{
type: 'average', name: '平均值'
}
]
},
label: {
show: true,
rotate: 60
},
barWidth: '30%'
}
]
}
mCharts.setOption(option)
var mCharts2 = echarts.init(document.querySelector('#div1'))
$.get('json/map/china.json', function(ret){
echarts.registerMap('aa', ret)
var option2 = {
geo: {
type: 'map',
map: 'aa'
}
}
mCharts2.setOption(option2)
// echarts.connect([mCharts, mCharts2]) // 将柱状图和地图关联起来
})
</script>
</body>
</html>echartsInstance对象
setOption
resion
on\off
dispatchAction
clear
dispose
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="lib/echarts.min.js"></script>
<script src="lib/jquery.min.js"></script>
</head>
<body>
<div style="width: 600px;height:400px"></div>
<button id="btn1">触发行为</button>
<button id="btn2">clear</button>
<button id="btn3">setOption</button>
<button id="btn4">dispose</button>
<script>
var mCharts = echarts.init(document.querySelector("div"))
var pieData = [
{
value: 11231,
name: "淘宝",
},
{
value: 22673,
name: "京东"
},
{
value: 6123,
name: "唯品会"
},
{
value: 8989,
name: "1号店"
},
{
value: 6700,
name: "聚美优品"
}
]
var option = {
legend: {
data: ['淘宝', '京东', '唯品会', '1号店', '聚美优品']
},
tooltip: {
show: true
},
series: [
{
type: 'pie',
data: pieData
}
]
}
mCharts.setOption(option)
mCharts.on('click', function (arg) {
console.log(arg)
console.log('click...')
}) // 对事件进行监听
mCharts.off('click') // 解绑click的事件
mCharts.on('legendselectchanged', function (arg) {
console.log(arg)
console.log('legendselectchanged')
})
$('#btn1').click(function () {
// 模拟用户的行为
mCharts.dispatchAction({
type: 'highlight',
seriesIndex: 0, // 系列的索引
dataIndex: 1 // 数据的索引
})
mCharts.dispatchAction({
type: 'showTip',
seriesIndex: 0,
dataIndex: 2
})
})
$('#btn2').click(function () {
// 清空图表的实例
mCharts.clear()
})
$('#btn3').click(function () {
// 重新设置option
mCharts.setOption(option)
})
$('#btn4').click(function () {
// 销毁mCharts
mCharts.dispose()
})
</script>
</body>
</html>