Discussion :

[abdel1025]

bonjour
je suis debutant en J2EE et j'aimerais comprendre cette servlet si vous pouvez m'aider je vous en serais reconnaissant.

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
public class ClientCtrl extends HttpServlet implements Constantes {
	private static final long serialVersionUID = 1L;
 
	public void doIt(HttpServletRequest req, HttpServletResponse resp)
			throws IOException {
		resp.setContentType(GetInHtml);
		try {
 
			String action = req.getParameter("_action");
			if (action.equals("0")) {
				listAll(req, resp);
				return;
			}
 
			if (action.equals("Edit")) {
				editClient(req, resp);
				return;
			}
 
 
			if (action.equals("Maj")) {
				doMaj(req, resp);
				return;
			}
 
		} catch (Exception e) {
			e.printStackTrace();
			resp.getWriter().write("Erreur:" + e.getMessage());
		}
 
	}
 
	private void listAll(HttpServletRequest req, HttpServletResponse resp)
			throws IOException {
		resp.setContentType(GetInHtml);
		try {
			ArrayList<Client> listeClt = new ArrayList<Client>();
			listeClt=ServiceFactory.getInstance().clientService.listAll();
			req.getSession().setAttribute("listeClt", listeClt);
			resp.sendRedirect(pageAPP + "Client.jsp");
			return;
 
		} catch (Exception e) {
			resp.getWriter().write("1//" + e.getMessage());
 
		}
	}
 
	private void editClient(HttpServletRequest req, HttpServletResponse resp)
			throws IOException {
		resp.setContentType(GetInHtml);
		try {
			Client clt=new Client();
             req.getSession().setAttribute("op", req.getParameter("op"));
             req.getSession().setAttribute("id", req.getParameter("id"));
             if(req.getParameter("op").equals("2")){
               	 clt=ServiceFactory.getInstance().clientService.getById(new Integer(req.getParameter("id")));
             }
             req.getSession().setAttribute("clt", clt);
			resp.sendRedirect(pageAPP + "ClientEdit.jsp");
			return;
 
		} catch (Exception e) {
			resp.getWriter().write("1//" + e.getMessage());
 
		}
	}
 
 
	private void doMaj(HttpServletRequest req, HttpServletResponse resp)
			throws IOException {
		resp.setContentType(GetInHtml);
		Client client = new Client();
		try {
			if ((req.getParameter("txtOp").equals("1"))
					|| (req.getParameter("txtOp").equals("2"))) {
 
				client.setLibelle(req.getParameter("txtLibelle"));
				client.setAdresse(req.getParameter("txtAdresse"));
 
				if (req.getParameter("txtOp").equals("1")) {
					ServiceFactory.getInstance().clientService.create(client);
				}
				if (req.getParameter("txtOp").equals("2")) {
					client.setId(new Integer(req.getParameter("txtId")));
					ServiceFactory.getInstance().clientService.update(client);
				}
 
			}
			// delete
			// -------------------------------------------------------------------------
			if (req.getParameter("txtOp").equals("3")) {
				ServiceFactory.getInstance().clientService.delete(req
						.getParameter("id"));
			}
			resp.sendRedirect(pageAPP + "Client.jsp");
 
		} catch (Exception e) {
			e.printStackTrace();
			resp.getWriter().write("1//" + e.getMessage());
		}
 
	}
 
	public void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws IOException
 
	{
		doIt(req, resp);
	}
 
	public void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws IOException
 
	{
		doIt(req, resp);
	}
}
   // FIN

j'en ai vraiment besoin merci;

[abdel1025]

merci beaucoup kmdkaci

ca marche maintenant merci beaucoup