lineChart.vue
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<template>
<view class="linechart">
<div :id='bindId' class="chart"></div>
</view>
</template>
<script>
export default {
data () {
return {
}
},
mounted() {
console.log('chartData',this.chartData)
},
watch:{
bindId:function(newValue,oldValue){
},
chartData:{
handler(newValue,oldValue){
this.drawLine();
},
deep:true
},
},
props:{
bindId:{
type:String,
default:''
},
chartData: {
type: Object,
default: function(){
return {}
}
}
},
methods: {
drawLine() {
let myChart = {};
let chartDom = document.getElementById(this.bindId);
myChart = this.echarts.init(chartDom);
myChart.showLoading('default', {
text: '',
color: '#409eff'
});
var option = {
title:{
show:true,
text:this.chartData.title,
left: '13px',
top: '13px',
textStyle: {
fontWeight: "normal",
fontSize: 14,
color: '#444'
}
},
backgroundColor: '#fff',
color: ["#0069FF", "#3BB8FF", "#6784e3", "#ff9631", "#ffc62e","#7460ee","#eb6100"],
tooltip: {
triggerOn: 'none',
position: function (pt) {
return [pt[0], 130];
}
},
grid: {
left: '50px',
right: '26px',
top: '50px',
bottom: '60px'
},
yAxis: {
scale: true,
axisLabel: {
textStyle: {
color: '#888'
}
},
axisLine : {
show: true,
lineStyle: {
color: '#888'
}
},
axisTick:{
show:false
},
splitLine:{
lineStyle: {
color: '#f5f5f5'
}
}
},
xAxis: {
axisTick:{
show:false
},
axisLine : {
show: true,
lineStyle: {
color: '#888'
}
},
axisLabel : {
textStyle: {
color: '#888'
}
},
splitLine : {
show: false
}
},
legend : {
orient: "horizontal",
x: "center",
textStyle: {
fontSize: 12,
},
itemWidth: 12,
itemHeight: 6,
itemGap: 10,
bottom: 2,
data: []
},
series:this.chartData.series
}
if(this.chartData.series.length>1){
this.chartData.series.forEach((item,index)=>{
var legendObj = {};
legendObj.name = item.name;
option.legend.data.push(legendObj);
item.areaStyle={
normal: {
color: new this.echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: option.color[index]
}, {
offset: 1,
color: option.color[index]
}])
}
}
})
}
option.xAxis.data = this.chartData.xaxis.data;
myChart.clear();
setTimeout(() => {
myChart.hideLoading();
}, 500);
myChart.setOption(option);
console.log(option)
}
}
}
</script>
<style>
.chart{
width:706.52upx;
height:438.4upx;
margin: 0 auto;
box-shadow:0px 0px 7px 0px rgba(0,0,0,0.14);
border-radius:4px;
background: #FFFFFF;
margin-bottom: 18.11upx;;
}
</style>