dareway-rui/build/taglib/tree/style.css

.rui-Tree {
    display: flex;
    flex-direction: row;
    flex: 1 1 auto; /*Tree默认是fill*/
}

.rui-Tree-treeAreaWrapper {
    position: relative;
    width: 200px;
    flex: 0 0 auto;
    overflow: auto;
}

.rui-Tree-TreeLeafWrapper {
    flex: 1 1 auto;
    display: flex;
    overflow: auto;
}

/**
   todo 覆盖antd的tree样式
 */
.ant-tree.ant-tree-directory > li.ant-tree-treenode-selected > span.ant-tree-node-content-wrapper:before, .ant-tree.ant-tree-directory .ant-tree-child-tree > li.ant-tree-treenode-selected > span.ant-tree-node-content-wrapper:before {
    background: rgb(186, 231, 255);
}

.ant-tree.ant-tree-directory > li span.ant-tree-node-content-wrapper.ant-tree-node-selected, .ant-tree.ant-tree-directory .ant-tree-child-tree > li span.ant-tree-node-content-wrapper.ant-tree-node-selected {
    color: rgba(0, 0, 0, 0.85);
}

.ant-tree.ant-tree-directory > li.ant-tree-treenode-selected > span.ant-tree-switcher, .ant-tree.ant-tree-directory .ant-tree-child-tree > li.ant-tree-treenode-selected > span.ant-tree-switcher {
    color: rgba(0, 0, 0, 0.65);
}


.ant-tree li .ant-tree-node-content-wrapper{
    color: black;
}