wl-vue-select (npm): 提供带全选快捷操作的下拉框和树形下拉框功能，基于el-select和el-tree实现 El-select based select with full selection
Keywords: select tree-select 全选下拉框 树形下拉框 select-all el-select vue elementUi|element-ui|select|tree-select|tree-selection|vue