Default.js
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import echarts from 'echarts';
module.exports = {
name: 'echarts',
data() {
return {
chartDom: null,
data: {
id: this.id,
title: this.title,
subtext: this.subtext,
hover_title: this.hoverTitle,
data_list: this.dataList,
text_list: []
},
}
},
methods: {
init() {
//基于准备好的dom，初始化echarts实例
if (this.data.id) {
this.chartDom = echarts.init(document.getElementById(this.data.id));
}
return this;
},
update() {
if (this.chartDom === null) {
this.init();
}
this.chartDom.setOption({
title: {
text: this.data.title,
subtext: this.data.subtext,
x: 'center'
},
tooltip: {
trigger: 'item',
formatter: "{a} <br/>{b} : {c} ({d}%)"
},
legend: {
orient: 'vertical',
left: 'left',
data: this.data.text_list
},
series: [{
name: this.data.hover_title,
type: 'pie',
radius: '55%',
// center: ['50%', '60%'],
data: this.data.data_list,
itemStyle: {
emphasis: {
shadowBlur: 10,
shadowOffsetX: 0,
shadowColor: 'rgba(0, 0, 0, 0.5)'
}
}
}]
});
},
updateTextList() {
var data = this.data.data_list;
this.data.text_list = [];
for (var i = 0; i < data.length; i++) {
this.data.text_list.push(data[i].name);
}
return this;
}
},
mounted: function() {
this.updateTextList()
.init()
.update();
},
props: {
id: {
type: String,
required: true
},
title: [String, Number],
subtext: [String, Number],
hoverTitle: [String, Number],
dataList: {
type: Array,
required: true
}
},
watch: {
dataList(v) {
this.data.value_list = v;
this.updateTextList().update();
},
title(v) {
this.data.title = v;
this.update();
},
subtext(v) {
this.data.subtext = v;
this.update();
},
hoverTitle(v) {
this.data.hover_title = v;
this.update();
}
}
}