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唐明明
188
components/tki-file-manager/tki-file-manager.vue
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188
components/tki-file-manager/tki-file-manager.vue
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<template xlang="wxml" minapp="mpvue">
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<view>
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</view>
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</template>
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<script>
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export default {
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name: 'tki-file-manager',
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props: {},
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data() {
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return {}
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},
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methods: {
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_openFile() {
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// #ifdef APP-PLUS
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if (plus.os.name.toLowerCase() != "android") {
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uni.showModal({
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title: '提示',
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content: '仅支持Android平台',
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success: function(res) {}
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});
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return false
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}
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let that = this
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// java 代码来自 http://www.cnblogs.com/panhouye/archive/2017/04/23/6751710.html
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let main = plus.android.runtimeMainActivity();
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let Intent = plus.android.importClass("android.content.Intent");
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//
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let fileIntent = new Intent(Intent.ACTION_GET_CONTENT)
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//fileIntent.setType(“image/*”);//选择图片
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//fileIntent.setType(“audio/*”); //选择音频
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//fileIntent.setType(“video/*”); //选择视频 （mp4 3gp 是android支持的视频格式）
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//fileIntent.setType(“video/*;image/*”);//同时选择视频和图片
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fileIntent.setType("*/*"); //无类型限制
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fileIntent.addCategory(Intent.CATEGORY_OPENABLE);
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main.startActivityForResult(fileIntent, 1);
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// 获取回调
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main.onActivityResult = function(requestCode, resultCode, data) {
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let Activity = plus.android.importClass("android.app.Activity");
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let ContentUris = plus.android.importClass("android.content.ContentUris");
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let Cursor = plus.android.importClass("android.database.Cursor");
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let Uri = plus.android.importClass("android.net.Uri");
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let Build = plus.android.importClass("android.os.Build");
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let Environment = plus.android.importClass("android.os.Environment");
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let DocumentsContract = plus.android.importClass("android.provider.DocumentsContract");
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let MediaStore = plus.android.importClass("android.provider.MediaStore");
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// 给系统导入 contentResolver
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let contentResolver = main.getContentResolver()
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plus.android.importClass(contentResolver);
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// 返回路径
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let path = '';
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if (resultCode == Activity.RESULT_OK) {
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let uri = data.getData()
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if ("file" == uri.getScheme().toLowerCase()) { //使用第三方应用打开
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path = uri.getPath();
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return;
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}
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if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) { //4.4以后
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path = getPath(this, uri);
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} else { //4.4以下下系统调用方法
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path = getRealPathFromURI(uri)
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}
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// 回调
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that.$emit('result', path)
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}
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// 4.4 以上 从Uri 获取文件绝对路径
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function getPath(context, uri) {
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let isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
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let scheme = uri.getScheme().toLowerCase()
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if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
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// ExternalStorageProvider
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if (isExternalStorageDocument(uri)) {
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let docId = DocumentsContract.getDocumentId(uri);
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let split = docId.split(":");
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let type = split[0];
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// 如果是手机内部存储
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if ("primary" == type.toLowerCase()) {
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return Environment.getExternalStorageDirectory() + "/" + split[1];
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} else {
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return '/storage/' + type + "/" + split[1];
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}
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}
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// DownloadsProvider
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else if (isDownloadsDocument(uri)) {
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let docId = DocumentsContract.getDocumentId(uri);
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let split = docId.split(":");
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return split[1]
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// console.log(id)
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// let contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), id);
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// return getDataColumn(context, contentUri, null, null);
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}
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// MediaProvider
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else if (isMediaDocument(uri)) {
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let docId = DocumentsContract.getDocumentId(uri);
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let split = docId.split(":");
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let type = split[0];
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let contentUri = null;
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if ("image" == type.toLowerCase()) {
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contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
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} else if ("video" == type.toLowerCase()) {
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contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
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} else if ("audio" == type.toLowerCase()) {
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contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
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}
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let selection = "_id=?";
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let selectionArgs = [split[1]];
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return getDataColumn(context, contentUri, selection, selectionArgs);
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}
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}
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// MediaStore (and general)
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else if ("content" == scheme) {
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return getDataColumn(context, uri, null, null);
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}
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// File
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else if ("file" == scheme) {
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return uri.getPath();
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}
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}
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// 4.4 以下 获取 绝对路径
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function getRealPathFromURI(uri) {
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let res = null
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let proj = [MediaStore.Images.Media.DATA]
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let cursor = contentResolver.query(uri, proj, null, null, null);
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if (null != cursor && cursor.moveToFirst()) {
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;
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let column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
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res = cursor.getString(column_index);
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cursor.close();
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}
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return res;
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}
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// 通过uri 查找出绝对路径
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function getDataColumn(context, uri, selection, selectionArgs) {
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let cursor = null;
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let column = "_data";
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let projection = [column];
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// let contentResolver = context.getContentResolver()
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// plus.android.importClass(contentResolver);
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cursor = contentResolver.query(uri, projection, selection, selectionArgs, null);
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if (cursor != null && cursor.moveToFirst()) {
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let column_index = cursor.getColumnIndexOrThrow(column);
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return cursor.getString(column_index);
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}
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}
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function isExternalStorageDocument(uri) {
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return "com.android.externalstorage.documents" == uri.getAuthority() ? true : false
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}
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function isDownloadsDocument(uri) {
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return "com.android.providers.downloads.documents" == uri.getAuthority() ? true : false
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}
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function isMediaDocument(uri) {
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return "com.android.providers.media.documents" == uri.getAuthority() ? true : false
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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.showModal({
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title: '提示',
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content: '仅支持Android平台',
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success: function(res) {
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}
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});
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// #endif
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},
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},
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onLoad() {
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// plus.io.resolveLocalFileSystemURL( '/storage/emulated/0', function(fs) {
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// var directoryReader = fs.createReader();
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// directoryReader.readEntries(function(entries) {
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// var i;
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// for (i = 0; i < entries.length; i++) {
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// console.log(entries[i].name);
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// }
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// }, function(e) {
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// console.log("Read entries failed: " + e.message);
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// });
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// }, function(e) {
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// console.log("Request file system failed: " + e.message);
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// });
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}
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}
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</script>
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