92 lines
2.7 KiB
JavaScript
92 lines
2.7 KiB
JavaScript
/**
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* 下载API返回的PDF文件
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* @param {Object} apiResponse - 接口返回的数据
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* @param {boolean} [showLoading=true] - 是否显示加载提示
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*/
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import {IMAGE_BASE_URL,BASE_URL} from '@/utils/config';
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export const downloadPdfFiles = (file, showLoading = true) => {
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return new Promise((resolve, reject) => {
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const filesToDownload = [{url:file.url,name:file.name}];
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// 2. 收集需要下载的文件
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// if (applyPdf) filesToDownload.push({ url: BASE_URL+applyPdf, name: '申请表.docx' });
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// if (covenantPdf) filesToDownload.push({ url: BASE_URL+covenantPdf, name: '协议书.docx' });
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if (filesToDownload.length === 0) {
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return reject(new Error('未找到可下载的文件'));
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}
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// 3. 显示加载提示
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if (showLoading) {
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wx.showLoading({
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title: `正在下载文件(0/${filesToDownload.length})`,
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mask: true
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});
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}
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// 4. 逐个下载文件
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const downloadedFiles = [];
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let completedCount = 0;
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const updateProgress = () => {
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if (showLoading) {
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wx.showLoading({
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title: `正在下载文件(${completedCount}/${filesToDownload.length})`,
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mask: true
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});
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}
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};
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filesToDownload.forEach((file, index) => {
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wx.downloadFile({
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url: file.url,
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success: (res) => {
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if (res.statusCode === 200) {
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downloadedFiles.push({
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tempPath: res.tempFilePath,
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name: file.name,
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});
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// 下载完成后自动打开
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wx.openDocument({
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filePath: res.tempFilePath,
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fileType: 'docx',
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showMenu: true,// 显示Android分享菜单
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success: () => {
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console.log(`${file.name} 打开成功`);
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},
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fail: (err) => {
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console.error(`${file.name} 打开失败:`, err);
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}
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});
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} else {
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console.error(`${file.name} 下载失败，状态码: ${res.statusCode}`);
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}
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},
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fail: (err) => {
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console.error(`${file.name} 下载失败:`, err);
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},
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complete: () => {
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completedCount++;
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updateProgress();
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// 全部下载完成
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if (completedCount === filesToDownload.length) {
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if (showLoading) wx.hideLoading();
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if (downloadedFiles.length > 0) {
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resolve({
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success: true,
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files: downloadedFiles,
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message: `成功下载 ${downloadedFiles.length} 个文件`
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});
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} else {
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reject(new Error('所有文件下载失败'));
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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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}; |