E-MD/utils/FormatTheAttachment.js

function fileList(list) {
    let suffixList = {
            image: ['png', 'jpg', 'jpeg', 'bmp', 'gif', 'webp', 'svg', 'tiff'],
            video: ['mp4', 'ogg', 'webm'],
            word: ['doc', 'docx'],
            excel: ['xls', 'xlsx'],
            ppt: ['ppt', 'pptx'],
            txt: ['txt', 'md', 'js', 'json'],
            pdf: ['pdf'],
            rar: ['7z', 'zip', 'rar', 'kz', 'ace', 'arj', 'bz2', 'cab', 'gz', 'iso', 'jar', 'lzh', 'tar', 'z'],
            folder: ['"folder"']
        },
        typeList = [];
    for (let key in suffixList) typeList.push(key);
    for (let i = 0; i < list.length; i++) {
        // 处理文件URL，确保是完整的URL
        list[i].url = getImageUrl(list[i].url);
        
        list[i].fileType = 'unknown';
        list[i].cover = `/static/image/file/unknown.png`
        const suffix = list[i].postfix.toLowerCase();
        if (suffix != "folder") {
            for (let key in suffixList) {
                if (suffixList[key].some(value => value == suffix)) {
                    list[i].fileType = key;
                    if (key == 'image') {
                        list[i].cover = list[i].url;
                    } else if (typeList.includes(key)) {
                        list[i].cover = `/static/image/file/${key}.png`;
                    }
                }
            }
        } else {
            list[i].fileType = "folder";
            list[i].cover = `/static/image/file/folder.png`
        }
        
        // 处理子文件的URL
        if (list[i].subfiles && list[i].subfiles.length > 0) {
            list[i].subfiles.forEach(subfile => {
                subfile.url = getImageUrl(subfile.url);
            });
        }
    }
    return list;
};

//得到缩略图或者压缩图  getType默认得到缩略图传true得到压缩图
function getSpecifiedImage(obj, getType = false) {
    obj.url = getImageUrl(obj.url)
    try {
        let type = getType ? 'compressed' : 'thumbnail';
        let imgObj = obj.subfiles.find(v => v.type == type);
        return getImageUrl(imgObj.url || obj.url);
    } catch (error) {
        return getImageUrl(obj.url);
    }
}


// 判断图片是本地还是云存储
function getImageUrl(url) {
    const _Http = getApp().globalData.http;
    if (!url) return '';
    //判断url中是否存在http,没有的话要拼接 this.baseUrl
    if (!/^https?:\/\//.test(url)) {
        url = _Http.baseUrl + url;
    }
    return url;
}

module.exports = {
    fileList,
    getSpecifiedImage,
    getImageUrl
}