125 lines
3.6 KiB
JavaScript
125 lines
3.6 KiB
JavaScript
/**
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* 文件打开工具 - 强制弹出应用选择器
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*
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* uni.openDocument 的 showMenu 和 plus.runtime.openFile 在真机上
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* 都可能直接跳转默认应用。用 Android 原生 Intent.createChooser
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* 强制弹出"选择应用"对话框。
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*
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* Android 7.0+ 会阻止 file:// URI 暴露给其他应用，需要禁用此限制。
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*/
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/**
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* 根据文件扩展名获取 MIME 类型
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*/
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function getMimeType(filePath) {
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const ext = filePath.substring(filePath.lastIndexOf('.') + 1).toLowerCase()
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const mimeMap = {
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'pdf': 'application/pdf',
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'doc': 'application/msword',
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'docx': 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'xls': 'application/vnd.ms-excel',
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'xlsx': 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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'ppt': 'application/vnd.ms-powerpoint',
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'pptx': 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
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'txt': 'text/plain',
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'html': 'text/html',
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'htm': 'text/html',
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'xml': 'text/xml',
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'json': 'application/json',
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'csv': 'text/csv',
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'jpg': 'image/jpeg',
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'jpeg': 'image/jpeg',
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'png': 'image/png',
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'gif': 'image/gif',
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'bmp': 'image/bmp',
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'webp': 'image/webp',
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'mp4': 'video/mp4',
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'mp3': 'audio/mpeg',
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'wav': 'audio/wav',
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'zip': 'application/zip',
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'rar': 'application/x-rar-compressed',
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'7z': 'application/x-7z-compressed',
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'apk': 'application/vnd.android.package-archive'
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}
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return mimeMap[ext] || '*/*'
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}
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/**
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* 打开文件，弹出应用选择器
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* @param {string} filePath 本地文件路径
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* @param {Function} onFail 打开失败时的回调
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*/
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export function openFile(filePath, onFail) {
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// #ifdef APP-PLUS
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try {
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const main = plus.android.runtimeMainActivity()
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const Intent = plus.android.importClass('android.content.Intent')
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const Uri = plus.android.importClass('android.net.Uri')
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const File = plus.android.importClass('java.io.File')
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// Android 7.0+ 默认禁止 file:// URI，禁用此限制
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if (plus.os.sdkInt >= 24) {
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const StrictMode = plus.android.importClass('android.os.StrictMode')
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StrictMode.disableDeathOnFileUriExposure()
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}
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const file = new File(filePath)
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if (!file.exists()) {
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throw new Error('文件不存在: ' + filePath)
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}
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const uri = Uri.fromFile(file)
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const mimeType = getMimeType(filePath)
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const intent = new Intent(Intent.ACTION_VIEW)
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intent.setDataAndType(uri, mimeType)
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
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// 核心：createChooser 每次必弹选择器，无视已设置的默认应用
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const chooser = Intent.createChooser(intent, '选择应用打开')
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main.startActivity(chooser)
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console.log('openFile success - chooser shown')
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} catch (e) {
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console.error('openFile native failed, fallback:', e)
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uni.openDocument({
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filePath: filePath,
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showMenu: true,
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fail: typeof onFail === 'function' ? onFail : () => {}
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})
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}
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// #endif
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// #ifndef APP-PLUS
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uni.openDocument({
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filePath: filePath,
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showMenu: true,
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fail: typeof onFail === 'function' ? onFail : () => {}
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})
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// #endif
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}
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/**
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* 下载文件并打开（弹出应用选择器）
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* @param {string} url 远程文件 URL
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* @param {Function} onFail 失败回调
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*/
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export function downloadAndOpen(url, onFail) {
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uni.downloadFile({
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url: url,
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success: (res) => {
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if (res.statusCode === 200) {
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openFile(res.tempFilePath, onFail)
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} else {
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console.error('下载失败, statusCode:', res.statusCode)
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if (typeof onFail === 'function') onFail()
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}
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},
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fail: (err) => {
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console.error('downloadFile fail:', err)
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if (typeof onFail === 'function') onFail()
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}
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})
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}
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