@TOC
1 安装/卸载
echarts官方文档:https://echarts.apache.org/zh/index.html
1.1 安装
安装最新版
代码语言:text复制npm install echarts --save
指定版本安装
代码语言:text复制npm install echarts@4.8.0 --save
1.2 卸载
代码语言:text复制npm uninstall echarts
2 引入
2.1 全局引入
V4
import echarts from 'echarts'
V5
import * as echarts from 'echarts'
2.2 按需引入
V4
import echarts from 'echarts/lib/echarts'
V5
import * as echarts from 'echarts/lib/echarts'
3 实战
Test.vue
<template>
<div>
<div ref="new_user_day_lineChart" style="width: 400px; height: 400px; background-color: #ffffff; padding: 20px; border-radius: 20px;"></div>
</div>
</template>
<script>
let url = 'http://127.0.0.1/';
import * as echarts from 'echarts'
import {get} from "../http/api.js";
import {lineChart_option, pie_option} from '../echarts/echarts_option.js'
let a_day_list;
let a_day_num_list;
export default {
name: "Test",
mounted() {
let that = this;
// 新增用户 日统计 初始化
that.new_user_day_lineChart = echarts.init(this.$refs.new_user_day_lineChart);
get(url '/bigdata_info', 'post', "").then(res => {
console.log(res.data)
a_day_list = res.data.a_day_list;
a_day_num_list = res.data.a_day_num_list;
// 新增用户 日统计
that.new_user_day_lineChart.setOption(lineChart_option("新增用户", "日统计", u_day_list, "人", u_day_num_list, ['red']))
})
}
}
</script>
echarts_option.js
/**
* lineChart: 折线图
* title: 标题
* color: 折线颜色 ['red','blue']
* */
export const lineChart_option = (title, subtitle, date_list, unit, num_list, color) => {
let option = {
title: {
text: title,
subtext: subtitle,
left: 'center'
// textStyle: {
// color: '#fff'
// }
},
// 提示框
tooltip: {
trigger: 'axis'
},
// 图例
// legend: {
// icon: 'circle',
// left: 'center',
// top: 0,
// data: ['好评', '一般', '差评']
// },
// 比例大小
// 比例大小
grid: {
left: '3%',
right: '12%',
bottom: '3%',
containLabel: true
},
// 工具栏
toolbox: {
feature: {
saveAsImage: {
type: 'png'
},
magicType: {
type: ['line', 'bar', 'stack']
}
}
},
xAxis: {
type: 'category',
boundaryGap: false,
// data: ['一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月']
data: date_list
},
yAxis: {
type: 'value',
// 初始化 单位 (可以不填)
axisLabel: {
formatter: '{value} ' unit
},
// axisPointer: {
// snap: true
// }
textStyle: {
color: '#fff'
}
},
series: [
{
name: '新增',
type: 'line',
// smooth: true, // 平滑曲线显示
// data: [120, 132, 101, 134, 190, 230, 210, 201, 234, 290, 230, 210],
data: num_list,
smooth: true,
// 取最大、小值
markPoint: {
data: [
{type: 'max', name: 'Max'},
{type: 'min', name: 'Min'}
]
},
// 取平均值
markLine: {
data: [{type: 'average', name: 'Avg'}]
}
}
],
color: color //['red']
}
return option;
}
/**
* lineChart: 饼图
* color: ['red','blue']
* */
export const pie_option = (num_json, color) => {
let option = {
title: {
text: '文章占比',
// subtext: 'Fake Data',
left: 'center',
top: 5
},
series: [
{
name: 'Access From',
type: 'pie',
radius: '55%',
data: num_json,
// data: [
// {value: 1048, name: 'Search Engine'}
// ],
emphasis: {
itemStyle: {
shadowBlur: 10,
shadowOffsetX: 0,
shadowColor: 'rgba(0, 0, 0, 0.5)'
}
}
}
],
tooltip: {
trigger: 'item'
},
legend: {
orient: 'vertical',
left: 'bottom'
// left: 'left'
},
// 保存图片
toolbox: {
show: true,
feature: {
saveAsImage: {}
}
},
color: color,
};
return option;
}
原文地址:
https://www.couragesteak.com/article/407
更多前端文章:
https://www.couragesteak.com/article/414