ECharts 复杂图表渲染实战
timeline 用法解析
DETAILS
timeline: {
axisType: 'category', // 坐标轴类型
realtime: true, // 拖动时是否实时渲染视图
rewind: false, // 是否启动反向播放，需要将loop置为true
loop: false, // 是否循环播放
autoPlay: false, // 是否自动播放
inverse: false, // 反向置放timeline
currentIndex: 0, // 起始位置
playInterval: 1000, // 播放间隔
controlStyle: {
position: 'left'
}, // 播放控制器位置
data: [
'2002-01-01', '2003-01-01', '2004-01-01',
{
value: '2005-01-01',
tooltip: {
formatter: '{b} GDP达到一个高度'
},
symbol: 'diamond',
symbolSize: 16
},
'2006-01-01', '2007-01-01', '2008-01-01', '2009-01-01', '2010-01-01',
{
value: '2011-01-01',
tooltip: {
formatter: function(params) {
return params.name + 'GDP达到又一个高度'
}
},
symbol: 'diamond',
symbolSize: 18
}
], // timeline数据源
label: {
formatter: function(s) {
return (new Date(s)).getFullYear()
}
} // timeline坐标值
}
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baseOption 基本用法
DETAILS
const options = ref({})
options.value = {
baseOption: {
title: {
text: 'ECharts 入门示例'
},
tooltip: {},
legend: {
data: ['销量']
},
xAxis: {
data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
},
yAxis: {},
series: [{
name: '销量',
type: 'bar',
data: [5, 20, 36, 10, 10, 20]
}]
}
}
return {
options
}
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自定义 Map
地图数据
城市数据
const center = {
'南京市': [118.767413, 32.041544],
'无锡市': [120.301663, 31.574729],
'徐州市': [117.184811, 34.261792],
'常州市': [119.946973, 31.772752],
'苏州市': [120.619585, 31.299379],
'南通市': [120.864608, 32.016212],
'连云港市': [119.178821, 34.600018],
'淮安市': [119.021265, 33.597506],
'盐城市': [120.139998, 33.377631],
'扬州市': [119.421003, 32.393159],
'镇江市': [119.452753, 32.204402],
'泰州市': [119.915176, 32.484882],
'宿迁市': [118.275162, 33.963008]
}
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实战案例
DETAILS
setup () {
const options = ref({})
const update = () => {
/* eslint-disable */
fetch('http://www.youbaobao.xyz/datav-res/datav/jiangsuMapData.json')
.then(response => response.json())
.then(data => {
var center = {
'南京市': [118.767413, 32.041544],
'无锡市': [120.301663, 31.574729],
'徐州市': [117.184811, 34.261792],
'常州市': [119.946973, 31.772752],
'苏州市': [120.619585, 31.299379],
'南通市': [120.864608, 32.016212],
'连云港市': [119.178821, 34.600018],
'淮安市': [119.021265, 33.597506],
'盐城市': [120.139998, 33.377631],
'扬州市': [119.421003, 32.393159],
'镇江市': [119.452753, 32.204402],
'泰州市': [119.915176, 32.484882],
'宿迁市': [118.275162, 33.963008]
}
echarts.registerMap('js', data)
options.value = {
visualMap: {
show: true,
max: 100,
seriesIndex: [3],
inRange: {
color: ['#A5DCF4', '#006edd']
}
},
geo: [{
map: 'js',
roam: false, //是否允许缩放
zoom: 1.1, //默认显示级别
scaleLimit: {
min: 0,
max: 3
}, //缩放级别
itemStyle: {
normal: {
areaColor: '#013C62',
shadowColor: '#013C62',
shadowBlur: 20,
shadowOffsetX: -5,
shadowOffsetY: 15
}
},
tooltip: {
show: false
}
}],
series: [
{
type: 'effectScatter',
coordinateSystem: 'geo',
z: 5,
data: [],
symbolSize: 14,
label: {
normal: {
show: true,
formatter: function (params) {
return '{fline|地点：' + params.data.city + '}\n{tline|' + (params.data.info || '发生xx集件') + '}'
},
position: 'top',
backgroundColor: 'rgba(254,174,33,.8)',
padding: [0, 0],
borderRadius: 3,
lineHeight: 32,
color: '#f7fafb',
rich: {
fline: {
padding: [0, 10, 10, 10],
color: '#fff'
},
tline: {
padding: [10, 10, 0, 10],
color: '#fff'
}
}
},
emphasis: {
show: true
}
},
itemStyle: {
color: '#feae21'
}
},
{
type: 'effectScatter',
coordinateSystem: 'geo',
z: 5,
data: [],
symbolSize: 14,
label: {
normal: {
show: true,
formatter: function (params) {
return '{fline|地点：' + params.data.city + '}\n{tline|' + (params.data.info || '发生xx集件') + '}'
},
position: 'top',
backgroundColor: 'rgba(233,63,66,.9)',
padding: [0, 0],
borderRadius: 3,
lineHeight: 32,
color: '#ffffff',
rich: {
fline: {
padding: [0, 10, 10, 10],
color: '#ffffff'
},
tline: {
padding: [10, 10, 0, 10],
color: '#ffffff'
}
}
},
emphasis: {
show: true
}
},
itemStyle: {
color: '#e93f42'
}
},
{
type: 'effectScatter',
coordinateSystem: 'geo',
z: 5,
data: [],
symbolSize: 14,
label: {
normal: {
show: true,
formatter: function (params) {
return '{fline|地点：' + params.data.city + '}\n{tline|' + (params.data.info || '发生xx集件') + '}'
},
position: 'top',
backgroundColor: 'rgba(8,186,236,.9)',
padding: [0, 0],
borderRadius: 3,
lineHeight: 32,
color: '#ffffff',
rich: {
fline: {
padding: [0, 10, 10, 10],
color: '#ffffff'
},
tline: {
padding: [10, 10, 0, 10],
color: '#ffffff'
}
}
},
emphasis: {
show: true
}
},
itemStyle: {
color: '#08baec'
}
},
{
type: 'map',
mapType: 'js',
geoIndex: -1,
zoom: 1.1, //默认显示级别
label: {
show: true,
color: '#ffffff',
emphasis: {
color: 'white',
show: false
}
},
itemStyle: {
normal: {
borderColor: '#2980b9',
borderWidth: 1,
areaColor: '#12235c'
},
emphasis: {
areaColor: '#FA8C16',
borderWidth: 0,
color: 'green'
}
},
data: Object.keys(center).map(name => {
return {
name: name,
value: Math.random() * 100
}
})
}
]
}
var timer = setInterval(() => {
const _options = cloneDeep(options.value)
for (var i = 0; i < 3; i++) {
_options.series[i].data = []
}
var cityIndex = Math.floor(Math.random() * 13)
var runidx = Math.floor(Math.random() * 3)
var coordCity = Object.keys(center)[cityIndex]
var coord = center[coordCity]
_options.series[runidx].data = [{
city: coordCity,
value: coord
}]
options.value = _options
}, 2000)
})
}
onMounted(() => {
update()
})
return {
options
}
}
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