yijianbao_user_uniapp/pages_im/pages/conversation/chating/components/ChatingFooter/chooseFile.js

function chooseFile(callback, acceptType) {
  //acceptType为你要查的文件类型"image/*"，"audio/*"，"video/*;image/*"
  // intent.setType("image/*");
  //intent.setType("audio/*");
  //选择音频
  //intent.setType("video/*;image/*");
  //选择视频 （mp4 3gp 是android支持的视频格式）
  var CODE_REQUEST = 1000;
  var main = plus.android.runtimeMainActivity();
  if (plus.os.name == "Android") {
    var Intent = plus.android.importClass("android.content.Intent");
    var intent = new Intent(Intent.ACTION_GET_CONTENT);
    intent.addCategory(Intent.CATEGORY_OPENABLE);
    if (acceptType) {
      intent.setType(acceptType);
    } else {
      intent.setType("*/*");
    }
    main.onActivityResult = function (requestCode, resultCode, data) {
      if (requestCode == CODE_REQUEST) {
        var uri = data.getData();
        plus.android.importClass(uri);
        var Build = plus.android.importClass("android.os.Build");
        var isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

        var DocumentsContract = plus.android.importClass(
          "android.provider.DocumentsContract",
        );
        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(main, uri)) {
          // console.log("版本大于 4.4 ");
          // ExternalStorageProvider
          if ("com.android.externalstorage.documents" == uri.getAuthority()) {
            var docId = DocumentsContract.getDocumentId(uri);
            var split = docId.split(":");
            var type = split[0];

            if ("primary" == type) {
              var Environment = plus.android.importClass(
                "android.os.Environment",
              );
              callback(
                Environment.getExternalStorageDirectory() + "/" + split[1],
              );
            } else {
              var System = plus.android.importClass("java.lang.System");
              var sdPath = System.getenv("SECONDARY_STORAGE");
              if (sdPath) {
                callback(sdPath + "/" + split[1]);
              }
            }
          }
          // DownloadsProvider
          else if (
            "com.android.providers.downloads.documents" == uri.getAuthority()
          ) {
            var id = DocumentsContract.getDocumentId(uri);
            var ContentUris = plus.android.importClass(
              "android.content.ContentUris",
            );
            var contentUri = ContentUris.withAppendedId(
              //    Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
              Uri.parse("content://downloads/public_downloads"),
              id,
            );
            callback(getDataColumn(main, contentUri, null, null));
          }
          // MediaProvider
          else if (
            "com.android.providers.media.documents" == uri.getAuthority()
          ) {
            var docId = DocumentsContract.getDocumentId(uri);
            var split = docId.split(":");
            var type = split[0];

            var MediaStore = plus.android.importClass(
              "android.provider.MediaStore",
            );
            if ("image" == type) {
              contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
            } else if ("video" == type) {
              contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
            } else if ("audio" == type) {
              contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
            }

            var selection = "_id=?";
            var selectionArgs = new Array();
            selectionArgs[0] = split[1];

            callback(getDataColumn(main, contentUri, selection, selectionArgs));
          }
        }
        // MediaStore (and general)
        else if ("content" == uri.getScheme()) {
          callback(getDataColumn(main, uri, null, null));
        }
        // File
        else if ("file" == uri.getScheme()) {
          callback(uri.getPath());
        }
      }
    };
    main.startActivityForResult(intent, CODE_REQUEST);
  }
}

function getDataColumn(main, uri, selection, selectionArgs) {
  plus.android.importClass(main.getContentResolver());
  let cursor = main
    .getContentResolver()
    .query(uri, ["_data"], selection, selectionArgs, null);
  plus.android.importClass(cursor);
  if (cursor != null && cursor.moveToFirst()) {
    var column_index = cursor.getColumnIndexOrThrow("_data");
    var result = cursor.getString(column_index);
    cursor.close();
    return result;
  }
  return null;
}

export default chooseFile;