单个柱子

const data = [{value: 1,per: 2},{value: 22,per: 2},{value: 222,per: 3}
];

tooltip: {trigger: 'axis',show: true,axisPointer: {type: 'line',lineStyle: {color: 'rgba(0, 0, 0, 0.03)',type: 'solid',width: 60,},},formatter(params) {return `${params[0].name}: ${params[0].value}元 | ${data[params[0].dataIndex].per}%`;},transitionDuration: 0, // 让toolltip紧跟鼠标，移入页面不抖动
},

多个柱子堆叠

tooltip: {trigger: 'axis',axisPointer: {type: 'shadow',label: {show: true,color: '#4E5258',},},formatter(params) {const xname = params[0].axisValue;let str = `${xname}<br>`;params.forEach((el, index) => {str += `${el.marker}${el.seriesName.split('(')[0]}：${el.value}元<br>`;});return str;},transitionDuration: 0, // 让toolltip紧跟鼠标，移入页面不抖动},