<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
哈哈哈
<div id="chartmain" style="width:600px; height: 400px;"></div>
</body>
<script type="text/javascript" src="js/jquery-3.3.1.min.js"></script>
<script type="text/javascript" src="js/echarts.js"></script>
<script>
option = {
title: {
//标题相对x、y轴的位置
x: ‘center‘,
y: ‘bottom‘,
text: ‘ECharts例子个数统计‘,
subtext: ‘Rainbow bar example‘,
link: ‘http://echarts.baidu.com/doc/example.html‘
},
// 鼠标滑过柱状图显示值
tooltip: {
trigger: ‘item‘
},
// 右上角工具按钮
toolbox: {
show: true,
feature: {
dataView: {show: true, readOnly: false},
restore: {show: true},
saveAsImage: {show: true}
}
},
calculable: true,
grid: {
borderWidth: 0,
y: 80,
y2: 60
},
xAxis: [
{
type: ‘category‘,
//x轴不显示(在鼠标滑过时，会显示在值前面)
show: false,
data: [‘Line‘, ‘Bar‘, ‘Scatter‘, ‘K‘, ‘Pie‘, ‘Radar‘, ‘Chord‘, ‘Force‘, ‘Map‘, ‘Gauge‘, ‘Funnel‘]
}
],
yAxis: [
{
type: ‘value‘,
show: false
}
],
series: [
{
name: ‘ECharts例子个数统计‘,
type: ‘bar‘,
//定义每个bar的颜色和其上是否显示值
itemStyle: {
normal: {
color: function(params) {
// build a color map as your need.
//定义一个颜色集合
var colorList = [
‘#C1232B‘,‘#B5C334‘,‘#FCCE10‘,‘#E87C25‘,‘#27727B‘,
‘#FE8463‘,‘#9BCA63‘,‘#FAD860‘,‘#F3A43B‘,‘#60C0DD‘,
‘#D7504B‘,‘#C6E579‘,‘#F4E001‘,‘#F0805A‘,‘#26C0C0‘
];
//对每个bar显示一种颜色
return colorList[params.dataIndex]
},
label: {
//每个bar的最高点值显示在bar顶部
show: true,
position: ‘top‘,
//值和x轴分类的显示格式(这里是换行显示)
formatter: ‘{b}\n{c}‘
}
}
},
data: [12,21,10,4,12,5,6,5,25,23,7],
markPoint: {
tooltip: {
trigger: ‘item‘,
backgroundColor: ‘rgba(0,0,0,0)‘,
formatter: function(params){
return ‘<img src="‘
+ params.data.symbol.replace(‘image://‘, ‘‘)
+ ‘"/>‘;
}
},
data: [
{xAxis:0, y: 350, name:‘Line‘, symbolSize:20, symbol: ‘image://../asset/ico/折线图.png‘},
{xAxis:1, y: 350, name:‘Bar‘, symbolSize:20, symbol: ‘image://../asset/ico/柱状图.png‘},
{xAxis:2, y: 350, name:‘Scatter‘, symbolSize:20, symbol: ‘image://../asset/ico/散点图.png‘},
{xAxis:3, y: 350, name:‘K‘, symbolSize:20, symbol: ‘image://../asset/ico/K线图.png‘},
{xAxis:4, y: 350, name:‘Pie‘, symbolSize:20, symbol: ‘image://../asset/ico/饼状图.png‘},
{xAxis:5, y: 350, name:‘Radar‘, symbolSize:20, symbol: ‘image://../asset/ico/雷达图.png‘},
{xAxis:6, y: 350, name:‘Chord‘, symbolSize:20, symbol: ‘image://../asset/ico/和弦图.png‘},
{xAxis:7, y: 350, name:‘Force‘, symbolSize:20, symbol: ‘image://../asset/ico/力导向图.png‘},
{xAxis:8, y: 350, name:‘Map‘, symbolSize:20, symbol: ‘image://../asset/ico/地图.png‘},
{xAxis:9, y: 350, name:‘Gauge‘, symbolSize:20, symbol: ‘image://../asset/ico/仪表盘.png‘},
{xAxis:10, y: 350, name:‘Funnel‘, symbolSize:20, symbol: ‘image://../asset/ico/漏斗图.png‘},
]
}
}
]
};
//初始化echarts实例
var myChart = echarts.init(document.getElementById(‘chartmain‘));
//使用制定的配置项和数据显示图表
myChart.setOption(option);
</script>
</html>
效果：
上面是普通柱状图每个bar显示不同颜色的方法。
下面是分组柱状图，不同图例类型显示不同 自定义颜色 的设置方法：
原文地址：https://www.cnblogs.com/libin6505/p/10341754.html
时间： 2024-11-05 21:48:47