MD_YOSwechat/utils/checkFile.js

module.exports.checkFile = (item) => {
    if (['image', 'video'].includes(item.fileType)) {
        preViewMedia(item)
    } else if (['word', 'excel', 'ppt', 'pdf'].includes(item.fileType)) {
        openDocument(item)
    } else {
        wx.setClipboardData({
            data: item.url,
            success: function () {
                wx.showToast({
                    title: '当前文件类型不支持在线浏览，已将文件下载地址复制到剪切板，您可在浏览器中打开链接下载到本地浏览',
                    icon: "none",
                    duration: 5000
                });
            }
        })
    }
}

function preViewMedia(item) {
    wx.previewMedia({
        sources: [{
            url: item.url,
            type: item.fileType,
        }],
        current: 0,
        showmenu: true
    })
}

function openDocument(item) {
    wx.downloadFile({
        url: item.url,
        success: function (res) {
            console.log(res.tempFilePath)
            wx.openDocument({
                filePath: res.tempFilePath,
                fileType: item.postfix,
                showMenu: true,
                success: function (res) {
                    console.log(res)
                    console.log('打开文档成功')
                },
                fail: (err) => {
                    wx.showToast({
                        title: '打开失败',
                        icon: "none"
                    })
                }
            })
        }
    })
}