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@@ -0,0 +1,286 @@
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+function formattedFiles(list) {
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+ if (list.length == 0) return [];
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+ let suffixList = {
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+ image: ['png', 'jpg', 'jpeg', 'bmp', 'gif', 'webp', 'svg', 'tiff'],
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+ video: ['mp4', 'ogg', 'webm'],
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+ word: ['doc', 'docx'],
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+ excel: ['xls', 'xlsx'],
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+ ppt: ['ppt', 'pptx'],
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+ txt: ['txt', 'md', 'js', 'json'],
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+ pdf: ['pdf'],
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+ rar: ['7z', 'zip', 'rar', 'kz', 'ace', 'arj', 'bz2', 'cab', 'gz', 'iso', 'jar', 'lzh', 'tar', 'z'],
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+ folder: ['folder']
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+ },
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+ typeList = [];
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+ for (let key in suffixList) typeList.push(key);
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+ for (let i = 0; i < list.length; i++) {
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+ list[i].fileType = 'unknown';
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+ const suffix = list[i].postfix.toLowerCase();
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+ if (suffix != "folder") {
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+ for (var key in suffixList) {
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+ if (suffixList[key].some(value => value == suffix)) list[i].fileType = key;
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+ }
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+ } else {
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+ list[i].fileType = "folder";
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+ }
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+ }
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+ return list;
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+}
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+
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+/* 预览媒体 */
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+function viewMedias(files, index, type) {
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+ // #ifndef MP
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+ if (type == 'image') {
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+ uni.previewImage({
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+ current: index,
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+ urls: files,
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+ loop: true,
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+ })
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+ } else {
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+ window.open(files[index].url)
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+ }
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+ // #endif
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+ // #ifdef MP-WEIXIN
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+ uni.previewMedia({
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+ current: index,
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+ sources: files,
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+ })
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+ // #endif
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+}
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+
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+/* 预览图片 */
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+function viewImage(url) {
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+ // #ifndef MP
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+ uni.previewImage({
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+ current: 0,
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+ urls: [url],
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+ loop: true,
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+ })
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+ // #endif
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+ // #ifdef MP-WEIXIN
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+ uni.previewImage({
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+ urls: [url]
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+ })
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+ // #endif
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+}
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+
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+/* 预览文档 */
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+function viewFlies(item) {
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+ uni.showLoading({
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+ title: '加载中...',
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+ })
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+ uni.downloadFile({
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+ url: item.url,
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+ complete({
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+ statusCode,
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+ tempFilePath
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+ }) {
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+ if (statusCode != 200) return;
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+ uni.openDocument({
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+ filePath: tempFilePath,
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+ fileType: item.postfix,
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+ showMenu: true,
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+ complete({
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+ errMsg
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+ }) {
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+ uni.hideLoading();
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+ if (errMsg != "openDocument:ok") uni.showToast({
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+ title: '打开失败',
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+ icon: "none"
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+ })
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+ }
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+ })
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+ }
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+ })
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+}
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+
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+function wxSaveFile(file) {
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+ const fs = uni.getFileSystemManager(),
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+ basePath = String(`${uni.env.USER_DATA_PATH}/${file.postfix}`);
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+ fs.access({
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+ path: basePath,
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+ success(res) {
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+ fs.getSavedFileList({
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+ success: res => {
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+ console.log("临时文件列表", res)
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+ }
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+ })
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+ },
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+ fail(res) {
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+ fs.mkdir({
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+ dirPath: basePath,
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+ recursive: true,
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+ success(res) {
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+ console.log("创建目录", res)
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+ },
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+ fail(res) {
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+ console.error("创建目录", res)
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+ }
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+ })
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+ }
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+ })
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+ const downloadTask = uni.downloadFile({
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+ url: file.url,
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+ filePath: basePath + '/' + file.document,
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+ timeout: 6000000,
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+ success(res) {
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+ console.log("下载文件", res)
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+ if (file.fileType == "video") {
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+ saveVideo(res.filePath)
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+ } else {
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+ saveImage(res.filePath)
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+ }
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+
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+ function shareVideo() {
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+ uni.shareVideoMessage({
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+ videoPath: res.tempFilePath,
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+ complete(res) {
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+ console.log("转发", res)
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+ clearFile(filePath)
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+ /* uni.showToast({
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+ title: `转发失败:${err.errMsg}`,
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+ icon: "none"
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+ }) */
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+ }
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+ })
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+ }
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+
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+ function saveImage(filePath) {
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+ uni.saveImageToPhotosAlbum({
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+ filePath,
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+ success(res) {
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+ console.log("保存图片", res)
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+ uni.showModal({
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+ title: '提示',
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+ content: '图片已保存到系统相册',
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+ showCancel: false
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+ })
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+ uni.hideLoading()
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+ clearFile(filePath)
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+ },
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+ fail(err) {
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+ console.log("保存失败", err)
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+ if (err.errno == 103) {
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+ uni.showModal({
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+ title: '提示',
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+ content: '未获取保存相册权限,无法保存!',
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+ confirmText: "前去授权",
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+ success({
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+ confirm
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+ }) {
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+ if (confirm) uni.openSetting({
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+ success(res) {
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+ console.log(res.authSetting["scope.writePhotosAlbum"])
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+ if (res.authSetting["scope.writePhotosAlbum"]) {
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+ saveVideo(filePath)
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+ } else {
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+ uni.showToast({
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+ title: '未获得授权',
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+ icon: "none"
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+ })
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+ }
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+ }
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+ })
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+ }
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+ })
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+ } else {
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+ clearFile(filePath)
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+ uni.showToast({
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+ title: err,
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+ icon: "none"
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+ })
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+ }
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+ }
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+ })
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+ }
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+
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+ function saveVideo(filePath) {
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+ uni.saveVideoToPhotosAlbum({
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+ filePath,
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+ success(res) {
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+ console.log("保存商品", res)
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+ uni.showModal({
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+ title: '提示',
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+ content: '视频已保存到系统相册',
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+ showCancel: false
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+ })
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+ uni.hideLoading()
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+ clearFile(filePath)
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+ },
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+ fail(err) {
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+ console.log("保存失败", err)
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+ if (err.errno == 103) {
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+ uni.showModal({
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+ title: '提示',
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+ content: '未获取保存相册权限,无法保存!',
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+ confirmText: "前去授权",
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+ success({
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+ confirm
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+ }) {
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+ if (confirm) uni.openSetting({
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+ success(res) {
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+ console.log(res.authSetting["scope.writePhotosAlbum"])
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+ if (res.authSetting["scope.writePhotosAlbum"]) {
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+ saveVideo(filePath)
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+ } else {
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+ uni.showToast({
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+ title: '未获得授权',
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+ icon: "none"
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+ })
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+ }
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+ }
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+ })
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+ }
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+ })
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+ } else {
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+ clearFile(filePath)
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+ uni.showToast({
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+ title: err,
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+ icon: "none"
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+ })
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+ }
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+ }
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+ })
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+ }
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+
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+ function clearFile(filePath) {
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+ let fs = uni.getFileSystemManager()
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+ fs.unlink({
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+ filePath,
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+ success(res) {
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+ console.log("文件删除", res)
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+ },
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+ fail(res) {
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+ console.log("删除失败", res)
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+ }
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+ })
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+ }
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+
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+ },
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+ fail(err) {
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+ console.log("下载失败", err)
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+ uni.showToast({
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+ title: `下载失败:${err.errMsg}`,
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+ icon: "none"
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+ })
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+ if (err.errMsg == 'downloadFile:fail exceed max file size') uni.showToast({
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+ title: '视频体积超大,无法保存！请尝试打开视频长按保存下载',
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+ icon: "none"
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+ })
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+ }
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+ })
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+ downloadTask.onProgressUpdate((res) => {
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+ uni.showLoading({
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+ title: res.progress + `%`,
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+ mask: true
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+ })
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+ if (res.progress == 100) uni.hideLoading()
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+ })
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+}
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+module.exports = {
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+ viewMedias,
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+ viewFlies,
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+ formattedFiles,
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+ viewImage,
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+ wxSaveFile
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+}
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