ggfwjsc/src/view/echarts_hygiene/tnb.vue

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2024-04-19 15:55:36 +08:00
<template>
<div ref="chart" style="width: 100%; height: 210px"></div>
</template>
<script setup >
import { onMounted, reactive, ref } from "vue";
// 局部引入echarts核心模块
import * as echarts from "echarts";
const chart = ref(); // 创建DOM引用
let option = {
tooltip: {
trigger: "axis",
padding: [20, 10, 20, 10],
formatter: "{b0}<br />{a1}:{c1} ",
},
grid: {
top: "5%",
left: "1%",
right: "10%",
bottom: "3%",
containLabel: true,
},
xAxis: {
type: "category",
// boundaryGap: false,
data: ["1月", "2月", "3月", "4月", "5月"],
// splitArea: {
// show: true,
// interval: '10',
// areaStyle: {
// color: ["rgba(255, 255, 255, 0.10)"],
// width:10,
// },
// },
axisLabel: {
//坐标轴刻度标签的相关设置
textStyle: {
color: "#ccc",
},
},
},
yAxis: {
type: "value",
splitLine: {
show: true,
lineStyle: {
color: "rgba(226, 226, 226, 0.3)",
width: 1,
},
},
axisLabel: {
//坐标轴刻度标签的相关设置
textStyle: {
color: "#ccc",
},
},
},
series: [
{
name: "背景",
type: "bar",
data: [0, 0, 0, 0, 0],
showBackground: true,
backgroundStyle: {
color: "rgba(180, 180, 180, 0.2)",
},
},
{
name: "糖尿病人数",
type: "line",
stack: "Total",
symbol: "emptyCircle",
symbolSize: 10,
itemStyle: {
borderColor: "#E8FF00",
borderWidth: 1,
color: "#E8FF00",
},
areaStyle: {
color: "#F4F65B",
normal: {
//线性渐变前4个参数分别是x0,y0,x2,y2(范围0~1);相当于图形包围盒中的百分比。如果最后一个参数是true则该四个值是绝对像素位置。
color: new echarts.graphic.LinearGradient(
0,
0,
0,
1,
[
{
offset: 0,
// color: 'RGBA(184, 204, 241, 1)'
color: 'rgba(255, 234, 90, 0.50)',
},
{
offset: 1,
color: "rgba(255, 234, 90, 0)",
},
],
false
),
shadowBlur: 0, //shadowBlur设图形阴影的模糊大小。配合shadowColor,shadowOffsetX/Y, 设置图形的阴影效果。
},
},
data: [120, 182, 191, 234, 200],
},
],
};
// 使用生命钩子
onMounted(() => {
// 基于准备好的dom初始化echarts实例
// var myChart = echarts.init(document.getElementById('main'));
// Vue3中 需要引入
var myChart = echarts.init(chart.value);
// init(); // vue3.2没有this
// 使用刚指定的配置项和数据显示图表。
myChart.setOption(option);
// 单图表响应式: 跟随浏览器大小改变
// window.addEventListener("resize", () => {
// myChart.resize();
// });
});
</script>
<style scoped>
</style>