這是一個示例,如何從http://w3mentor.com/learn/java/android-development/android-http-services/example-of-multipart-post-using-android/上傳XML文件 其中data.xml文件和兩個字段(「一個」和「兩個」)上傳到服務器。請注意,這需要額外的jar庫,您需要下載並放置在與項目中的「res」和「src」文件夾相同級別的「lib」文件夾中。 這裏有您需要的三個jar文件httpmime-4.0.jar,Apache的mime4j-0.6.jar,公共-IO-1.4.jar:
http://james.apache.org/download.cgi#Apache_Mime4J
https://repository.apache.org/content/repositories/releases/org/apache/httpcomponents/httpmime/4.0.1/httpmime-4.0.1.jar
http://code.google.com/p/mapmap/downloads/detail?name=commons-io-1.4.jar&can=2&q=
您可以通過在Exclipse中選擇項目並點擊File> Properties> Java Build Path> Libraries,然後點擊[Add jars]將其添加到項目中。
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import org.apache.commons.io.IOUtils;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.InputStreamBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.DefaultHttpClient;
import android.app.Activity;
public class TestMultipartPost extends Activity
{
public void executeMultipartPost()throws Exception
{
try {
InputStream is = this.getAssets().open("data.xml");
HttpClient httpClient = new DefaultHttpClient();
HttpPost postRequest = new HttpPost("http://w3mentor.com/Upload.aspx");
byte[] data = IOUtils.toByteArray(is);
InputStreamBody isb = new InputStreamBody(new ByteArrayInputStream(data),"uploadedFile");
StringBody sb1 = new StringBody("someTextGoesHere");
StringBody sb2 = new StringBody("someTextGoesHere too");
MultipartEntity multipartContent = new MultipartEntity();
multipartContent.addPart("uploadedFile", isb);
multipartContent.addPart("one", sb1);
multipartContent.addPart("two", sb2);
postRequest.setEntity(multipartContent);
HttpResponse res = httpClient.execute(postRequest);
res.getEntity().getContent().close();
} catch (Throwable e)
{
// handle exception here
}
}
}
還有一件事,你需要在「後臺」運行此作爲異步任務是這樣的:
private class XmlUploadTask extends AsyncTask<Object, String, Boolean> {
private static final String DEBUG_TAG = "XmlUploadTask";
ProgressDialog pleaseWaitDialog;
@Override
protected void onCancelled() {
Log.i(DEBUG_TAG, "onCancelled");
pleaseWaitDialog.dismiss();
}
@Override
protected void onPostExecute(Boolean result) {
Log.i(DEBUG_TAG, "onPostExecute");
pleaseWaitDialog.dismiss();
}
@Override
protected void onPreExecute() {
pleaseWaitDialog = ProgressDialog.show(myActivity.this, "My Application", "Uploading data...", true, true);
pleaseWaitDialog.setOnCancelListener(new OnCancelListener() {
public void onCancel(DialogInterface dialog) {
XmlUploadTask.this.cancel(true);
}
});
}
@Override
protected Boolean doInBackground(Object... params) {
//here you enter the xml upload code above
return null;
}
}
你有安裝phpMyAdmin的你的服務器? – Wacek 2011-01-13 11:58:51