JSP + servlet + JSON

bonjour ;
j’espère que tu trouve cet exemple utile..
page :jsp

Code:

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<script>
$(document).ready(function(){
 $("#comboUserName").change(function() {
 var selectedValue = $(this).val();
 $.post("NomduServlet",{ 
   Request : "getinfocombo",UserName : selectedValue},
function(user){
$("#Firstname").val(user.First_name);
$("#lastname").val(user.Last_name);
$("#Emailadress").val(user.Email);                             
                },"json");
               });
         });
</script>
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<form action="NomduServlet" method="POST">
<input type="text" id="Firstname" name="Firstname"
value="<%out.print(UserOne.getFirst_name();%>"/>
 
<input type="text" id="lastname" name="lastname"
value="<%out.print(UserOne.getLast_name();%>"/>
 
<input type="text" id="Emailadress" name="Emailadress"
value="<%out.print(UserOne.getEmail();%>"/>
</form>

servlet :

Code:

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if (req.equals("getinfocombo")) {
			String username=request.getParameter("UserName");
			PrintWriter out= response.getWriter(); 
			JSONObject json=new JSONObject();
 
			try {
				User user=new user();
			       json.put("Client", user.getClient());
				json.put("First_name", user.getFirst_name());
				json.put("Last_name", user.getLast_name());
				json.put("Email", user.getEmail());
				out.print(json);  
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}