自定义element树表格图标

如下图：

  

 css代码:

/deep/.el-icon-arrow-right:before {

content: "\e6d9";

}

/deep/.el-table__expand-icon--expanded .el-icon-arrow-right:before{

content: "\e6d8"!important;

}

/deep/.el-table__expand-icon--expanded {

-webkit-transform: rotate(0deg);

transform: rotate(0deg);

}

/deep/.el-table__expand-icon {

border: 1px solid #e7e7e7;

padding:1px;

}