//color改变颜色 这里用这个属性改变组件中关闭的颜色,开启的话直接在结构标签中书写即可 /deep/ uni-switch .uni-switch-input:before{ background-color: red; } 官方文档: [https://uniapp.dcloud.net.cn/component/switch.html#switch](https://link.segmentfault.com/?enc=t3%2BQyN0MHeu7luw%2FQgN2dw%3D%3D.6d1Oc%2Bn27FMGLjoLmHcDZmaJ5PX6Dsa3dRpnq5T%2B7FmNCcWAnmIE3X91z8C%2F9jbCRBsgAv5qMr27C5sGR%2B45Ww%3D%3D) 还不行的话就在APP.vue 增加 在app.vue里加入这段样式 /deep/ uni-switch .uni-switch-input:before{ background-color: #ccc; }