echarts自定义修改tooltip样式内容

此时的样式与官方tooltip样式相同，可根据回调函数中的数据进行自定义的数值修改

tooltip: {
                  // formatter: '{a}<br />{b}: {c}'
                  formatter: (params) => {
                    const content = `
                    <div style="height: 25px; line-height: 25px;">
                      <span style="display: inline-block; margin-right: 10px; border-radius: 50%; width: 10px; height: 10px;background-color: ${params.color};"></span>
                    </div>
                    `;
                    const html = `
                    <div>${params.seriesName}</div>
                    <div style="display: flex;align-items: center;">
                      ${content}${params.name} <span style="padding-left: 25px;font-weight: bolder;">${params.data.total}</span>
                    </div>
                    `;
                    return html
                  },
                },