lineChart.vue
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<template>
<div class="chart" :id="id"></div>
</template>
<script>
export default {
name: "lineChart",
props: {
id: String,
params: Array,
xAxis: Array,
colors: Array,
formatterYAxis: true
},
watch: {
params: {
handler: function (val) {
if (val.length) {
this.initData();
}
},
deep: true,
},
},
data() {
return {
chart: null,
};
},
created() { },
mounted() {
this.initData();
},
methods: {
setOption() {
const that = this;
const options = {
color: this.colors || ["#9772ff", "#79cd91", "#72b8ff"],
backgroundColor: "#fff",
tooltip: {
trigger: "item",
confine: true,
},
legend: {
show: true,
top: 0,
right: 20,
itemHeight: 15,
icon: "circle"
},
xAxis: {
type: "category",
data: this.xAxis,
axisLine: { show: true, lineStyle: { color: "#e2e2e2" } },
axisTick: {
show: false,
},
axisLabel: {
color: "#333",
},
},
yAxis: {
type: "value",
axisLine: { show: false },
splitLine: {
show: true,
},
axisLabel: {
color: "#666",
formatter: function (name) {
return that.formatterYAxis ? `${name} %` : name
},
},
},
grid: {
top: 36,
left: 20,
right: 20,
bottom: 20,
containLabel: true,
},
series: that.params.map((item) => {
return {
name: item.name,
type: "line",
symbol: "circle",
symbolSize: "6",
lineStyle: {
width: 1,
},
data: item.value,
};
}),
};
return options;
},
initData() {
if (!this.chart) {
const div = document.getElementById(this.id);
this.chart = this.$echarts.init(div);
}
const options = this.setOption();
this.chart?.clear();
this.chart.setOption(options, true);
this.chart.off("click");
this.chart.on("click", "series", (params) => {
// this.$emit("clickPieChart", params);
});
},
},
};
</script>
<style lang="scss" scoped>
.chart {
height: 100%;
}
</style>