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我尝试使用下面的代码来自Android的几个SQL数据库上传到网上的服务器:SQL数据库损坏的上传后(安卓)
public static void uploadFile(String file,String folder) {
HttpURLConnection conn = null;
String lineEnd = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
try {
// ------------------ CLIENT REQUEST
FileInputStream fileInputStream = new FileInputStream(new File(
path));
// open a URL connection to the Servlet
URL url = new URL("http://myserver/upload_file.php");
// Open a HTTP connection to the URL
conn = (HttpURLConnection) url.openConnection();
// Allow Inputs
conn.setDoInput(true);
// Allow Outputs
conn.setDoOutput(true);
// Don't use a cached copy.
conn.setUseCaches(false);
// Use a post method.
conn.setRequestMethod("POST");
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setRequestProperty("Content-Type",
"multipart/form-data;boundary=" + boundary);
DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: post-data; name=uploadedfile;filename="
+ path + "" + lineEnd);
dos.writeBytes(lineEnd);
// create a buffer of maximum size
int bytesAvailable = fileInputStream.available();
int maxBufferSize = 1000;
// int bufferSize = Math.min(bytesAvailable, maxBufferSize);
byte[] buffer = new byte[bytesAvailable];
// read file and write it into form...
int bytesRead = fileInputStream.read(buffer, 0, bytesAvailable);
while (bytesRead > 0) {
dos.write(buffer, 0, bytesAvailable);
bytesAvailable = fileInputStream.available();
bytesAvailable = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bytesAvailable);
}
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
// close streams
fileInputStream.close();
dos.flush();
dos.close();
} catch (MalformedURLException ex) {
Log.e(TAG, "error: " + ex.getMessage(), ex);
} catch (IOException ioe) {
Log.e(TAG, "error: " + ioe.getMessage(), ioe);
}
try {
BufferedReader rd = new BufferedReader(new InputStreamReader(conn
.getInputStream()));
String line;
while ((line = rd.readLine()) != null) {
Log.e(TAG, "Message: " + line);
}
rd.close();
} catch (IOException ioex) {
Log.e(TAG, "error: " + ioex.getMessage(), ioex);
}
return;
}
所有看似顺利,但如果我尝试打开生成的文件与SQLite管理员它抛出一个错误阅读“不能在一个封闭的数据集上执行此操作”。
有没有人有一个想法,为什么这可能会发生?原件和副本的文件大小看起来是相同的。
更新1: 这里,如果试图访问该数据库通过我的应用程序抛出的错误:
android.database.sqlite.SQLiteDatabaseCorruptException: malformed database schema (?) (code 11): , while compiling: SELECT * FROM Table
任何帮助是极大的赞赏。
感谢, 乔希
您使用SQL Server 2008吗? –
如果您使用的是SQL Server 2008,那么您可能未将'setAppRole'应用于数据库。这可能会导致这个问题。请参阅:http://stackoverflow.com/questions/13288084/cannot-perform-this-operation-on-a-closed-dataset –
我没有在线使用SQL服务器。我只备份要在其他用户的设备上本地共享和使用的文件。 – Josh