后盾传过来的是一个列表数据，列表的数据排序可能是乱的，根父集ID为0，但也有可能轻易删了其中一个，导致本条数据父集id基本追溯不到0，临时就这样写，或者有更好的办法！
export const create = function (config) { /** * 革除掉追溯不到父集ID是0的数据 * @param list */ this.clearNopid = function (list) { const ids = []; const arr = []; for (let i = 0; i < list.length; i++) { let item = list[i]; let flag = this.hasParents(list, item, ids); if (flag) { ids.push(item.id); let obj={}; for(let key in config.props){ obj[key]=item[config.props[key]]; } arr.push(obj); } else { list.splice(i, 1); i--; } } return this.createTree(arr, []); } /** * 判断根菜单是否是0 */ this.hasParents = function (list, node, ids) { let flag = false; if (node.pid === 0 || ids.indexOf(node.id) !== -1) { flag = true; } else { for (let i = 0; i < list.length; i++) { let item = list[i]; if (item.id === node.pid) { flag = this.hasParents(list, item, ids); } } } return flag; } /** * 结构树菜单 * @param list */ this.createTree = function (list, data) { for (let i = 0; i < list.length; i++) { let item = list[i]; //判断是否根目录 if (item.pid == 0) { data.push(item); list.splice(i, 1); i--; } else { let flag = this.findChild(data, item); if (flag) { list.splice(i, 1); i--; } } } if (list.length > 0) { data = this.createTree(list, data); } return data; } /** * 查找父集ID * @param list * @param node */ this.findChild = function (list, node) { let flag = false; for (let i = 0; i < list.length; i++) { let item = list[i]; if (item.id === node.pid) { item.children = item.children || []; item.children.push(node); flag = true; break; } else { if (item.children) { flag = this.findChild(item.children, node); if (flag) { break; } } } } return flag; } //调用 const data = this.clearNopid(config.list); return data;};//调用形式const config = { list: [], props: { id: 'id', //必须 pid: 'pid', //必须 name: 'menuName', //可选项，名字能够改 menuState: 'menuState' //可选项，名字能够改 } } this.menuNodes = createdTree.create(config);