Upload data from the server to the client in Android

Source: Internet
Author: User

 

Server:

Response. setContentType ("text/plain ");

Response. setCharacterEncoding ("UTF-8 ");

PrintWriter out = response. getWriter ();

UserDAO userDAO = new UserDAO ();

ArrayList list = userDAO. queryUser ();

JSONArray array = JSONArray. fromObject (list );

Out. write (array. toString ());

Out. flush ();

Out. close ();

Client:

Note: on the server side, convert the list set to a JSONArray object, upload it to the Android client in the form of a string, and then convert the string to a JSONArray object on the client to traverse the JSONArray object.

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