Jquery Ajax requests return Object List Data

(1) required files:

JSON-simple jar package

 

: Http://code.google.com/p/json-simple/

 

(2) List of server-side encapsulated objects

 

1)
Create a list

 

List <Map <string, string> testlist
= Newshortlist <Map <string, string> ();

 

2)
Put the object in map, and put the map in list cyclically

 

For (...) {// This can be the list of objects found from the database, and then put the required attributes into the map

Map <string, string> testmap = new linkedhashmap <string, string> ();

Testmap. Put ("key", "value ");

 

Testlist. Add (testmap );

}

 

3)
Convert list to JSON string

 

String jsonstring = jsonvalue. tojsonstring (testlist );

 

4)
Back to client

Printwriter out = response. getwriter ();

Out. Print (jsonstring );

Out. Flush ();

 

(3) list information displayed on the client

$. Each (data, function (houseindex, house ){

// Houseindex is the index and house is an object

VaR houseid = House ['key'] // retrieves the corresponding value based on a key value