实现的效果图样式
修改代码:
tooltip: {
className: "custom-tooltip-bk-box", //添加一个类名
triggerOn: "mousemove", // 鼠标移动时触发
axisPointer: {
type: "none",
},
// 鼠标移到图里面的浮动提示框
// formatter详细配置: https://echarts.baidu.com/option.html#tooltip.formatter
formatter(params, ticket, callback) {
// params.data 就是series配置项中的data数据遍历
let deptTotal, schoolTotal, studentTotal;
if (params.data) {
deptTotal = params.data.value;
schoolTotal = params.data.schoolTotal;
studentTotal = params.data.studentTotal;
} else {
// 为了防止没有定义数据的时候报错写的
deptTotal = 0;
schoolTotal = 0;
stude