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