操作列css每个按钮a后面加竖线.css operation_class
.operation_class {display: inline-block;
}
.operation_class a::after {content: "|";display: inline-block;user-select: none;color: #999;margin: 0 5px;
}
.operation_class a:last-child::after {content: "";margin: 0;display: none;
}