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ZhHealth/components/tki-file-manager/tki-file-manager.vue

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