300 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
			
		
		
	
	
			300 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
'use strict';
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import FileApi from '@/sheep/api/infra/file';
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const ERR_MSG_OK = 'chooseAndUploadFile:ok';
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const ERR_MSG_FAIL = 'chooseAndUploadFile:fail';
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function chooseImage(opts) {
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  const {
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    count,
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    sizeType = ['original', 'compressed'],
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    sourceType = ['album', 'camera'],
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    extension,
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  } = opts;
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  return new Promise((resolve, reject) => {
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    uni.chooseImage({
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      count,
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      sizeType,
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      sourceType,
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      extension,
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      success(res) {
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        resolve(normalizeChooseAndUploadFileRes(res, 'image'));
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      },
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      fail(res) {
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        reject({
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          errMsg: res.errMsg.replace('chooseImage:fail', ERR_MSG_FAIL),
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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 chooseVideo(opts) {
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  const { camera, compressed, maxDuration, sourceType = ['album', 'camera'], extension } = opts;
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  return new Promise((resolve, reject) => {
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    uni.chooseVideo({
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      camera,
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      compressed,
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      maxDuration,
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      sourceType,
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      extension,
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      success(res) {
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        const { tempFilePath, duration, size, height, width } = res;
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        resolve(
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          normalizeChooseAndUploadFileRes(
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            {
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              errMsg: 'chooseVideo:ok',
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              tempFilePaths: [tempFilePath],
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              tempFiles: [
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                {
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                  name: (res.tempFile && res.tempFile.name) || '',
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                  path: tempFilePath,
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                  size,
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                  type: (res.tempFile && res.tempFile.type) || '',
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                  width,
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                  height,
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                  duration,
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                  fileType: 'video',
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                  cloudPath: '',
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                },
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              ],
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            },
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            'video',
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          ),
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        );
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      },
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      fail(res) {
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        reject({
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          errMsg: res.errMsg.replace('chooseVideo:fail', ERR_MSG_FAIL),
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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 chooseAll(opts) {
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  const { count, extension } = opts;
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  return new Promise((resolve, reject) => {
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    let chooseFile = uni.chooseFile;
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    if (typeof wx !== 'undefined' && typeof wx.chooseMessageFile === 'function') {
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      chooseFile = wx.chooseMessageFile;
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    }
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    if (typeof chooseFile !== 'function') {
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      return reject({
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        errMsg: ERR_MSG_FAIL + ' 请指定 type 类型,该平台仅支持选择 image 或 video。',
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      });
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    }
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    chooseFile({
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      type: 'all',
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      count,
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      extension,
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      success(res) {
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        resolve(normalizeChooseAndUploadFileRes(res));
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      },
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      fail(res) {
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        reject({
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          errMsg: res.errMsg.replace('chooseFile:fail', ERR_MSG_FAIL),
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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 normalizeChooseAndUploadFileRes(res, fileType) {
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  res.tempFiles.forEach((item, index) => {
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    if (!item.name) {
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      item.name = item.path.substring(item.path.lastIndexOf('/') + 1);
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    }
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    if (fileType) {
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      item.fileType = fileType;
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    }
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    item.cloudPath = Date.now() + '_' + index + item.name.substring(item.name.lastIndexOf('.'));
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  });
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  if (!res.tempFilePaths) {
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    res.tempFilePaths = res.tempFiles.map((file) => file.path);
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  }
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  return res;
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}
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function convertToArrayBuffer(uniFile) {
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  return new Promise((resolve, reject) => {
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    const fs = uni.getFileSystemManager();
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    fs.readFile({
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      filePath: uniFile.path, // 确保路径正确
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      success: (fileRes) => {
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        try {
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          // 将读取的内容转换为 ArrayBuffer
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          const arrayBuffer = new Uint8Array(fileRes.data).buffer;
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          resolve(arrayBuffer);
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        } catch (error) {
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          reject(new Error(`转换为 ArrayBuffer 失败: ${error.message}`));
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        }
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      },
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      fail: (error) => {
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        reject(new Error(`读取文件失败: ${error.errMsg}`));
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      },
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    });
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  });
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}
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function uploadCloudFiles(files, max = 5, onUploadProgress) {
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  files = JSON.parse(JSON.stringify(files));
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  const len = files.length;
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  let count = 0;
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  let self = this;
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  return new Promise((resolve) => {
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    while (count < max) {
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      next();
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    }
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    function next() {
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      let cur = count++;
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      if (cur >= len) {
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        !files.find((item) => !item.url && !item.errMsg) && resolve(files);
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        return;
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      }
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      const fileItem = files[cur];
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      const index = self.files.findIndex((v) => v.uuid === fileItem.uuid);
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      fileItem.url = '';
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      delete fileItem.errMsg;
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      uniCloud
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        .uploadFile({
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          filePath: fileItem.path,
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          cloudPath: fileItem.cloudPath,
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          fileType: fileItem.fileType,
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          onUploadProgress: (res) => {
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            res.index = index;
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            onUploadProgress && onUploadProgress(res);
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          },
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        })
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        .then((res) => {
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          fileItem.url = res.fileID;
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          fileItem.index = index;
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          if (cur < len) {
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            next();
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          }
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        })
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        .catch((res) => {
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          fileItem.errMsg = res.errMsg || res.message;
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          fileItem.index = index;
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          if (cur < len) {
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            next();
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          }
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        });
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    }
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  });
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}
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async function uploadFiles(choosePromise, { onChooseFile, onUploadProgress }) {
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  // 获取选择的文件
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  const res = await choosePromise;
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  // 处理文件选择回调
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  let files = res.tempFiles || [];
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  if (onChooseFile) {
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    const customChooseRes = onChooseFile(res);
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    if (typeof customChooseRes !== 'undefined') {
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      files = await Promise.resolve(customChooseRes);
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      if (typeof files === 'undefined') {
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        files = res.tempFiles || []; // Fallback
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      }
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    }
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  }
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  // 如果是前端直连上传
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  if (UPLOAD_TYPE.CLIENT === import.meta.env.SHOPRO_UPLOAD_TYPE) {
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    // 为上传创建一组 Promise
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    const uploadPromises = files.map(async (file) => {
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      try {
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        // 1.1 获取文件预签名地址
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        const { data: presignedInfo } = await FileApi.getFilePresignedUrl(file.name);
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        // 1.2 获取二进制文件对象
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        const fileBuffer = await convertToArrayBuffer(file);
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        // 返回上传的 Promise
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        return new Promise((resolve, reject) => {
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          uni.request({
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            url: presignedInfo.uploadUrl, // 预签名的上传 URL
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            method: 'PUT', // 使用 PUT 方法
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            header: {
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              'Content-Type':
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                file.fileType + '/' + file.name.substring(file.name.lastIndexOf('.') + 1), // 设置内容类型
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            },
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            data: fileBuffer, // 文件的路径,适用于小程序
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            success: (res) => {
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              // 1.4. 记录文件信息到后端(异步)
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              createFile(presignedInfo, file);
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              // 1.5. 重新赋值
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              file.url = presignedInfo.url;
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              console.log('上传成功:', res);
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              resolve(file);
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            },
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            fail: (err) => {
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              console.error('上传失败:', err);
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              reject(err);
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            },
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          });
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        });
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      } catch (error) {
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        console.error('上传失败:', error);
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        throw error;
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      }
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    });
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    // 等待所有上传完成
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    return await Promise.all(uploadPromises); // 返回已上传的文件列表
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  } else {
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    // 后端上传
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    for (let file of files) {
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      const { data } = await FileApi.uploadFile(file.path);
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      file.url = data;
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    }
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    return files;
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  }
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}
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function chooseAndUploadFile(
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  opts = {
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    type: 'all',
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  },
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) {
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  if (opts.type === 'image') {
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    return uploadFiles(chooseImage(opts), opts);
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  } else if (opts.type === 'video') {
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    return uploadFiles(chooseVideo(opts), opts);
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  }
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  return uploadFiles(chooseAll(opts), opts);
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}
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/**
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 * 创建文件信息
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 * @param vo 文件预签名信息
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 * @param file 文件
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 */
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function createFile(vo, file) {
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  const fileVo = {
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    configId: vo.configId,
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    url: vo.url,
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    path: file.name,
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    name: file.name,
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    type: file.fileType,
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    size: file.size,
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  };
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  FileApi.createFile(fileVo);
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  return fileVo;
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}
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/**
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 * 上传类型
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 */
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const UPLOAD_TYPE = {
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  // 客户端直接上传(只支持S3服务)
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  CLIENT: 'client',
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  // 客户端发送到后端上传
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  SERVER: 'server',
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};
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export { chooseAndUploadFile, uploadCloudFiles };
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