admin-ui/src/utils/common.ts

import getOrigin from '/@/utils/origin'
/**
 * 通用js方法封装处理
 */

const baseURL: string | undefined | boolean = getOrigin(import.meta.env.VITE_API_URL)


export function getUpFileUrl(url: string) {
    if (!url) {
        return url
    }
    if (/^http|^blob/i.test(url)) {
        return url
    }
    let reg = new RegExp('^/*' + baseURL + "/*");
    return baseURL + "/" + url.replace(reg, '')
}



/**
 * 构造树型结构数据
 * @param {*} data 数据源
 * @param {*} id id字段 默认 'id'
 * @param {*} parentId 父节点字段 默认 'parentId'
 * @param {*} children 孩子节点字段 默认 'children'
 * @param {*} rootId 根Id 默认 0
 */
export function handleTree(data: [], id: string, parentId: string, children: string, rootId: number) {
    id = id || 'id'
    parentId = parentId || 'parentId'
    children = children || 'children'
    rootId = rootId || 0
    //对源数据深度克隆
    const cloneData = JSON.parse(JSON.stringify(data))
    //循环所有项
    const treeData = cloneData.filter((father: any) => {
        let branchArr = cloneData.filter((child: any) => {
            //返回每一项的子级数组
            return father[id] === child[parentId]
        });
        branchArr.length > 0 ? father.children = branchArr : '';
        //返回第一层
        return father[parentId] === rootId;
    });
    return treeData != '' ? treeData : data;
}


// 回显数据字典
export function selectDictLabel(data: any[], value: string): string {
    let actions: string[] = []
    data.map((item) => {
        if (item.value == value) {
            actions.push(item.label);
            return false;
        }
    })
    return actions.join('');
}

export function formatSize(kb:number) {
    if (kb <= 0) {
        return "0 B";
    }

    const units = ["B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
    const i = Math.floor(Math.log(kb) / Math.log(1024));
    return (kb / Math.pow(1024, i)).toFixed(2) + " " + units[i];
}