我正在尝试将图像从Android设备上传到远程服务器.到目前为止,我有以下代码,但保存在远程服务器上的图像始终为零字节.
HttpURLConnection conn;
String serverpath = "http://110.172.27.47:9499";
String MREPORTER_SERVLET_PATH="/mreporter/servlet/MReporterServlet";
url = serverpath + MREPORTER_SERVLET_PATH;
try
{
URL url = new URL( serverpath + MREPORTER_SERVLET_PATH );
conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setUseCaches(false);
conn.setRequestMethod("POST");
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setRequestProperty("Content-Type", "multipart/form-data;boundary="+ "*****" );
conn.setRequestProperty(USER_NAME_REQUEST_PARAMETER, "parth");
conn.setRequestProperty(EVENT_NAME_REQUEST_PARAMETER, "null" );
conn.setRequestProperty(CAMERAID_REQUEST_PARAMETER, "1");
conn.setRequestProperty(ACTION_MODE_PARAMETER, "POST_DATA_ACTION" );
DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
Log.i("Response", conn.getResponseCode() + "" );
int response = conn.getResponseCode();
if ( response == 200 )
{
Log.i("size",data.length + "");
if ( data.length > 0 )
{
dos.write(data);
Log.i("200","OK" );
}
else
{
Log.i( "Error", response + "" );
}
}
解决方法:
我查看了代码,并在此处获得解决方案,确实可行.
HttpURLConnection conn;
String serverpath = "http://110.172.27.47:9499";
String MREPORTER_SERVLET_PATH="/mreporter/servlet/MReporterServlet";
url = serverpath + MREPORTER_SERVLET_PATH;
try
{
URL url = new URL( serverpath + MREPORTER_SERVLET_PATH );
conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setUseCaches(false);
conn.setRequestMethod("POST");
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setRequestProperty("Content-Type", "multipart/form-data;boundary="+ "*****" );
conn.setRequestProperty(USER_NAME_REQUEST_PARAMETER, "parth");
conn.setRequestProperty(EVENT_NAME_REQUEST_PARAMETER, "null" );
conn.setRequestProperty(CAMERAID_REQUEST_PARAMETER, "1");
conn.setRequestProperty(ACTION_MODE_PARAMETER, "POST_DATA_ACTION" );
DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
Log.i("Response", conn.getResponseCode() + "" );
int response = conn.getResponseCode();
dos.write(data);
}
标签:android,image-uploading 来源: https://codeday.me/bug/20190704/1382139.html
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