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我正在尝试编写一个应用程序,将数据添加到SD卡上的现有电子表格。JXL和Android I/O权限被拒绝
我有一个问题,当我尝试创建一个可写的工作簿:
outputWorkbook = Workbook.createWorkbook(outputWorkbookFile,inputWorkbook);
我得到的logcat错误在Eclipse:
04-05 13:29:54.809: W/System.err(32653): java.io.FileNotFoundException: /mnt/sdcard/Dev/Spreadsheets/in.xls (Permission denied)
我可以读取输入文件并获取单元格的内容,我可以实例化一个可写入的工作簿或实例化一个输入工作簿,但不能同时存在。
private void doStuff() {
File directory = Environment.getExternalStorageDirectory();
inputWorkbookFile = new File(directory + "/Dev/Spreadsheets/in.xls");
outputWorkbookFile = new File(directory + "/Dev/Spreadsheets/out.xls");
try {
// Put data into an array for easier iteration
double data[];
data = new double[7];
data[0] = income;
data[1] = diesel;
data[2] = carHire;
data[3] = radio;
data[5] = 0;
data[6] = itemCost;
inputWorkbook = Workbook.getWorkbook(inputWorkbookFile);
Log.e("Testing", "Opened workbook");
if (isExternalStorageAvailable() && isExternalStorageReadable()) {
Log.e("Testing", "storage readable and available");
outputWorkbook = Workbook.createWorkbook(outputWorkbookFile,
inputWorkbook);
}
奇妙的工作。我昨天晚上想到了那个,但忘了试一下,我的头被那个点炸了。谢谢 – 2012-04-05 13:48:27