option = {
title: {
subtext: '单位：%',
left:100
},
tooltip: {
trigger: 'axis',
formatter: function(params) {
var str = ''; //声明一个变量用来存储数据
const [a, b] = params;
console.log(params)
var a1 = `${a.seriesName}: ${a.value > 0 ? a.value : -a.value}`;
var b1 = `${b.seriesName}: ${b.value > 0 ? b.value : -b.value}`;
str = a1 + '</br>' + b1;
return str;
},
},
legend: {
//位置需要与color对应，方可得到相应颜色
data: ['2019年', '2018年']
},
grid: {
left: '10%',
right: '10%',
bottom: '3%',
containLabel: true
},
xAxis: [{
type: 'category',
data: ['周一', '周二', '周三', '周四', '周五']
}],
yAxis: [{
type: 'value',
axisLabel: {
formatter: function(v) {
return v > 0 ? v : -v;
}
}
}],
series: [
{
name: '2019年',
type: 'bar',
stack: '总量',
data: [19.7,34.7,17.6,8.1,19.9]
},
{
name: '2018年',
type: 'bar',
stack: '总量',
data: [-37.6,-31.9,-11.4,-6.6,-12.9]
},
]
};