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uniapp04/node_modules/@dcloudio/uni-ui/lib/uni-file-picker/choose-and-upload-file.js

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+'use strict';
+
+const ERR_MSG_OK = 'chooseAndUploadFile:ok';
+const ERR_MSG_FAIL = 'chooseAndUploadFile:fail';
+
+function chooseImage(opts) {
+	const {
+		count,
+		sizeType = ['original', 'compressed'],
+		sourceType,
+		extension
+	} = opts
+	return new Promise((resolve, reject) => {
+		// 微信由于旧接口不再维护，针对微信小程序平台改用chooseMedia接口
+		// #ifdef MP-WEIXIN
+		uni.chooseMedia({
+			count,
+			sizeType,
+			sourceType,
+			mediaType: ['image'],
+			extension,
+			success(res) {
+				res.tempFiles.forEach(item => {
+					item.path = item.tempFilePath;
+				})
+				resolve(normalizeChooseAndUploadFileRes(res, 'image'));
+			},
+			fail(res) {
+				reject({
+					errMsg: res.errMsg.replace('chooseImage:fail', ERR_MSG_FAIL),
+				});
+			},
+		})
+		// #endif
+		// #ifndef MP-WEIXIN
+		uni.chooseImage({
+			count,
+			sizeType,
+			sourceType,
+			extension,
+			success(res) {
+				resolve(normalizeChooseAndUploadFileRes(res, 'image'));
+			},
+			fail(res) {
+				reject({
+					errMsg: res.errMsg.replace('chooseImage:fail', ERR_MSG_FAIL),
+				});
+			},
+		});
+		// #endif
+
+	});
+}
+
+function chooseVideo(opts) {
+	const {
+		count,
+		camera,
+		compressed,
+		maxDuration,
+		sourceType,
+		extension
+	} = opts;
+	return new Promise((resolve, reject) => {
+		// 微信由于旧接口不再维护，针对微信小程序平台改用chooseMedia接口
+		// #ifdef MP-WEIXIN
+		uni.chooseMedia({
+			count,
+			compressed,
+			maxDuration,
+			sourceType,
+			extension,
+			mediaType: ['video'],
+			success(res) {
+				const {
+					tempFiles,
+				} = res;
+				resolve(normalizeChooseAndUploadFileRes({
+					errMsg: 'chooseVideo:ok',
+					tempFiles: tempFiles.map(item => {
+						return {
+							name: item.name || '',
+							path: item.tempFilePath,
+							thumbTempFilePath: item.thumbTempFilePath,
+							size:item.size,
+							type: (res.tempFile && res.tempFile.type) || '',
+							width:item.width,
+							height:item.height,
+							duration:item.duration,
+							fileType: 'video',
+							cloudPath: '',
+						}
+					}),
+				}, 'video'));
+			},
+			fail(res) {
+				reject({
+					errMsg: res.errMsg.replace('chooseVideo:fail', ERR_MSG_FAIL),
+				});
+			},
+		})
+		// #endif
+		// #ifndef MP-WEIXIN
+		uni.chooseVideo({
+			camera,
+			compressed,
+			maxDuration,
+			sourceType,
+			extension,
+			success(res) {
+				const {
+					tempFilePath,
+					duration,
+					size,
+					height,
+					width
+				} = res;
+				resolve(normalizeChooseAndUploadFileRes({
+					errMsg: 'chooseVideo:ok',
+					tempFilePaths: [tempFilePath],
+					tempFiles: [{
+						name: (res.tempFile && res.tempFile.name) || '',
+						path: tempFilePath,
+						size,
+						type: (res.tempFile && res.tempFile.type) || '',
+						width,
+						height,
+						duration,
+						fileType: 'video',
+						cloudPath: '',
+					}, ],
+				}, 'video'));
+			},
+			fail(res) {
+				reject({
+					errMsg: res.errMsg.replace('chooseVideo:fail', ERR_MSG_FAIL),
+				});
+			},
+		});
+		// #endif
+	});
+}
+
+function chooseAll(opts) {
+	const {
+		count,
+		extension
+	} = opts;
+	return new Promise((resolve, reject) => {
+		let chooseFile = uni.chooseFile;
+		if (typeof wx !== 'undefined' &&
+			typeof wx.chooseMessageFile === 'function') {
+			chooseFile = wx.chooseMessageFile;
+		}
+		if (typeof chooseFile !== 'function') {
+			return reject({
+				errMsg: ERR_MSG_FAIL + ' 请指定 type 类型，该平台仅支持选择 image 或 video。',
+			});
+		}
+		chooseFile({
+			type: 'all',
+			count,
+			extension,
+			success(res) {
+				resolve(normalizeChooseAndUploadFileRes(res));
+			},
+			fail(res) {
+				reject({
+					errMsg: res.errMsg.replace('chooseFile:fail', ERR_MSG_FAIL),
+				});
+			},
+		});
+	});
+}
+
+function normalizeChooseAndUploadFileRes(res, fileType) {
+	res.tempFiles.forEach((item, index) => {
+		if (!item.name) {
+			item.name = item.path.substring(item.path.lastIndexOf('/') + 1);
+		}
+		if (fileType) {
+			item.fileType = fileType;
+		}
+		item.cloudPath =
+			Date.now() + '_' + index + item.name.substring(item.name.lastIndexOf('.'));
+	});
+	if (!res.tempFilePaths) {
+		res.tempFilePaths = res.tempFiles.map((file) => file.path);
+	}
+	return res;
+}
+
+function uploadCloudFiles(files, max = 5, onUploadProgress) {
+	files = JSON.parse(JSON.stringify(files))
+	const len = files.length
+	let count = 0
+	let self = this
+	return new Promise(resolve => {
+		while (count < max) {
+			next()
+		}
+
+		function next() {
+			let cur = count++
+			if (cur >= len) {
+				!files.find(item => !item.url && !item.errMsg) && resolve(files)
+				return
+			}
+			const fileItem = files[cur]
+			const index = self.files.findIndex(v => v.uuid === fileItem.uuid)
+			fileItem.url = ''
+			delete fileItem.errMsg
+
+			uniCloud
+				.uploadFile({
+					filePath: fileItem.path,
+					cloudPath: fileItem.cloudPath,
+					fileType: fileItem.fileType,
+					onUploadProgress: res => {
+						res.index = index
+						onUploadProgress && onUploadProgress(res)
+					}
+				})
+				.then(res => {
+					fileItem.url = res.fileID
+					fileItem.index = index
+					if (cur < len) {
+						next()
+					}
+				})
+				.catch(res => {
+					fileItem.errMsg = res.errMsg || res.message
+					fileItem.index = index
+					if (cur < len) {
+						next()
+					}
+				})
+		}
+	})
+}
+
+
+
+
+
+function uploadFiles(choosePromise, {
+	onChooseFile,
+	onUploadProgress
+}) {
+	return choosePromise
+		.then((res) => {
+			if (onChooseFile) {
+				const customChooseRes = onChooseFile(res);
+				if (typeof customChooseRes !== 'undefined') {
+					return Promise.resolve(customChooseRes).then((chooseRes) => typeof chooseRes === 'undefined' ?
+						res : chooseRes);
+				}
+			}
+			return res;
+		})
+		.then((res) => {
+			if (res === false) {
+				return {
+					errMsg: ERR_MSG_OK,
+					tempFilePaths: [],
+					tempFiles: [],
+				};
+			}
+			return res
+		})
+}
+
+function chooseAndUploadFile(opts = {
+	type: 'all'
+}) {
+	if (opts.type === 'image') {
+		return uploadFiles(chooseImage(opts), opts);
+	} else if (opts.type === 'video') {
+		return uploadFiles(chooseVideo(opts), opts);
+	}
+	return uploadFiles(chooseAll(opts), opts);
+}
+
+export {
+	chooseAndUploadFile,
+	uploadCloudFiles
+};