option = { xAxis: { type: 'category', data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] }, yAxis: { type: 'value' }, series: [ { data: [120, 200, 150, 80, 70, 110, 130], type: 'bar', selectedMode: true, select: { itemStyle: { color: 'red' } } } ] }; Demo: > [https://echarts.apache.org/examples/zh/editor.html?c=bar-> back...](https://link.segmentfault.com/?enc=ECrDXmWLEQSL1K0kBYj24w%3D%3D.DRD%2FJQ4PWOTKanPSvsBr9jVDUw%2FpPZpGGRSV%2BAw%2BeNMJW4h3R2RmJGdjwUD50gmZejWOgw95EAqswjo9U40%2BYNxlmHEyU5fvI%2B6Flro6xwhOd0SvsUeqKW72y8CtXwMZqVXDU3l8CXrh%2FZXqsohLQqXGpx%2B1ynzTTkoYF4KiNDGjMm4yKNsZ%2FHeWyxFp%2Byv9BLs74%2BCoC2rDyz7offWV7Mxn7Ci%2BGb1QNOcpoYdDnUI0nseanOvueZhG8RlEafcpLpOt1LKFUvwljSX7GgkGCK2ji%2F6hIsrvkkA40D2N1L%2FkrNa8nRxYRdu%2BpvYSKrEn6Rk5jpycSow9ahR345dD3k%2BFSqHVaT12cRYQ0pwBdhUf2p982SkmjMWTsf5nRKK2xTIe6iF%2FLjSNqX7iu6LEMJHx41JK7VWDDd5vLW7HWrIlWN5FijkjbSO%2FEN52NUmBBGSGX%2BqGJLxz%2FrI1AkWlL3xEkHBSZ6Hnti324vnXUi0%3D) >  配置文档: > [https://echarts.apache.org/zh/option.html#series-> bar.select.i...](https://link.segmentfault.com/?enc=ZyXgI6jLS86nFQnYf%2B%2BAzw%3D%3D.WcX6xaBjEsgPqixxVGa%2BX3kLieLbq1Sfe5oOOGUroCSTeD0zk%2F5OfGAg0U5ua3ftjH8r%2B29gwSpi0B%2Bz%2F4Jb%2BYHOX1NSk4QP32BDHcLq12U%3D)