该用户从未签到
|
代码案例:
7 _9 P/ V' e1 |: W# y7 ]- package com.cjg.servlet;
3 m* k" m9 E1 s
$ T$ E/ h+ H0 n, x4 l) w: R- import java.io.IOException;
* d& V! ^2 x7 n1 v - import java.text.SimpleDateFormat;
( _: S# S: ~- h! y, d* L' `7 K; u - import javax.servlet.ServletException;0 E/ u- ^: @- {( ?- x- q
- import javax.servlet.http.*;
% |$ W: X( r4 ~/ W% u M - import com.cjg.tool.*;; R: z5 s5 \, V# ^
5 m8 P% \6 e3 T8 L: H( l: @5 o- public class AddMessageServlet extends HttpServlet {5 ~# W R- V/ {4 J
- private static final long serialVersionUID = -8349454122547148005L;. z) b4 ]/ p1 L& ?' E. ?8 z4 p
" N! m- c. p$ m' k9 }0 M* i- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {% V. ]1 a* H: b: m5 r
- String sql = "insert into guestbook (id,name,email,phone,title,content,time) values(gb_seq.nextval,?,?,?,?,?,?)";
9 v8 A* v4 E4 @9 ?% O3 H4 B - int result = 0;3 L% I/ V% [0 B9 J
- String message = "";
. V) V0 A) E q Z; f0 Q/ W5 g5 e - String name = request.getParameter("name");
0 H" N, N3 j4 e) ?# X7 b - String title = request.getParameter("title");
8 P) s5 T- ^# v! @9 `
9 K/ V2 h8 Q6 T: ^" Z- if (StringTool.validateNull(name)) {
# C6 a; B8 N* x+ x/ } - message = "对不起,姓名不能为空,请您重新输入!<br>";5 u _8 Z! X$ F4 b; q! a5 A( Z N
- } else if (StringTool.validateNull(title)) {# q! `! u# w7 W7 e+ H, A
- message = "对不起,主题不能为空,请您重新输入!<br>";1 P* ]/ O2 l! ~
- } else {
4 N$ m A2 R/ ~7 f) ? - SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");6 U7 P: n: n/ e4 E4 Y
- String param[] = { StringTool.filterHtml(name), StringTool.filterHtml(request.getParameter("email")),( v; i" ]) h. n" t* k; A
- StringTool.filterHtml(request.getParameter("phone")), StringTool.filterHtml(title),
" v6 [, n; j4 n' e3 x - request.getParameter("content"), sdf.format(new java.util.Date()) };
7 E& S" q. A2 L5 w- i7 r - OracleTool db = new OracleTool("java:/comp/env/jdbc/oracleds");
5 ]+ g7 m* |( ~ - db.init();
+ G( `) J! \1 ]9 p5 D - result = db.update(sql, param);- m9 N* f! C1 k
- if (result == 0) {3 T: Z8 X5 G# f7 L3 a
- message = "对不起,添加留言不成功,请您重新输入!";# n. k8 d; M: C
- } else {
|) B% ]4 s* _ - message = "祝贺您,成功添加留言。";
. P$ X) }% l" e( X3 U - }
* ~7 `1 x# W/ u7 N) [" x - }' t/ [1 C& X. Y0 M( v
- request.setAttribute("message", message);
) C4 {& j( s) }' E4 ~ - request.getRequestDispatcher("/addResult.jsp").forward(request, response); b2 E# S1 v" I; Y
- }4 n4 p0 {' R3 {
- }
0 Q6 u1 ]$ Z) ~5 O5 O% W0 {
复制代码- package com.cjg.servlet;
1 _/ y+ o: y L: z) k - import java.io.IOException;1 U% v* s, ~1 k4 X+ `& x2 n( r
- import java.util.List;
1 a6 w' i3 [. w' Q& ^( R5 R8 X3 E - import javax.servlet.ServletException;
) O `0 l8 n5 R8 j$ X; G* i$ k" Y$ ?7 z - import javax.servlet.http.*;% B9 P! a( ]4 I3 {+ W
- import org.apache.commons.dbutils.handlers.BeanListHandler;8 B) J; W# X: g. } a) }
3 o* }+ _7 C/ n# c/ H8 X d8 K4 R- import com.cjg.tool.OracleTool;# q6 F( l" m$ }2 k
! c: B" Y9 O; l' k% S+ o- ^- public class ManageServlet extends HttpServlet {: ^0 A o9 ^0 ^
- OracleTool db = null;/ B0 k% L; D( m t A. @
- private static final long serialVersionUID = 204655027689309554L;9 R+ _+ X9 y- v! n1 m% J
. s L% @$ _' Y0 [3 h' X7 h; H' M4 \- public void edit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
7 n" w# B0 X0 b% k1 ]9 ^5 O - String params[] = { request.getParameter("id") };
8 H) \# a7 {4 M( g - String sql = "select * from guestbook where id=?";$ W0 X- A( c" N' \& O
- List list = (List) db.query(sql, params, new BeanListHandler(MessageBook.class));- L' \. `1 m3 |% g& b8 @
- request.setAttribute("guestbook.admin.edit", list.get(0)); 9 z8 i! q: O- m: g3 \+ l# W
- request.getRequestDispatcher("/admin/secure/edit.jsp").forward(request, response);
K/ n6 K( `" N1 h6 O1 X - }" W9 ~, ~1 @" K% V* N
- 7 B1 p3 ?. E& B1 r6 \- J! D! E
- public void update(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
7 Y9 @! z. r7 a9 m# _& R0 b - String params[] = { request.getParameter("name"), request.getParameter("email"), request.getParameter("phone"),
# z8 T2 m% ?8 H4 b' u5 v. c - request.getParameter("title"), request.getParameter("content"), request.getParameter("id") };
& i0 L3 ~. I% @ - int i = db.update("update guestbook set name=?,email=?,phone=?,title=? ,content=? where id=?", params);
0 C' F7 L. i5 f3 h8 I - if (i == 1) {
+ e. G8 S4 u5 z. D8 } - request.setAttribute("guestbook.admin.update.message", "更新成功!");- n# K/ p+ l' J0 W
- MessageBook gb = new MessageBook();
4 O6 c2 [/ z$ I# n0 @% ] f& e0 Z - gb.setId(Integer.parseInt(request.getParameter("id")));
' V& j x$ U; C% c: f - gb.setName(request.getParameter("name"));8 T g* f8 k! B
- gb.setEmail(request.getParameter("email"));
5 L2 s; f6 t+ h6 x: ?" _5 X* q" P - gb.setPhone(request.getParameter("phone"));
Y& |! q e+ V8 _' M) M, ]9 t - gb.setTitle(request.getParameter("title"));
* f# V4 g J( U. [ - gb.setContent(request.getParameter("content"));
# \0 A( X7 z7 |8 ^% m( [+ p# ~* o" x - request.setAttribute("guestbook.admin.edit", gb);
; T. {6 r% j" I1 Y& N* X - } else {
b5 O3 Q W3 r* o - request.setAttribute("guestbook.admin.update.message", "更新失败!");
, ]% B3 i' B7 h7 F k' B - } request.getRequestDispatcher("/admin/secure/updateResult.jsp").forward(request, response);' O0 k. o0 z2 N1 s/ y
- }" @5 }0 ]6 s8 `' S* Y; G( d5 J1 z
- & O L9 P0 G9 @+ y
- public void delete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {# g! t- t3 G0 |* I, c* G0 j3 y
- String params[] = { request.getParameter("id") };
( y* n1 E8 x$ _% y$ n7 U - int i = db.update("delete from guestbook where id=?", params);
- [! ?8 f f. m. b7 R - if (i == 1) {) i: k6 G7 q' x8 W& L
- request.setAttribute("guestbook.admin.delete.message", "删除成功");4 B- w0 o5 Y) E% P: g
- } else {. h& u1 [/ g1 p) ~7 x
- request.setAttribute("guestbook.admin.delete.message", "删除失败");' T( X" O+ G" j0 g: c* }( u7 w
- } request.getRequestDispatcher("/admin/secure/deleteResult.jsp").forward(request, response);- j! A. @9 G% F% c4 Z3 }3 x
- }
B( A) n% D o7 `0 H2 _0 M6 D - ; A* g4 f, o5 X5 F
- public void list(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
$ E1 R8 n( D3 t5 ~5 o Y' | - List list = (List) db.query("select id,name,title from guestbook order by id desc", null, new BeanListHandler(. Q1 H, h$ S/ O$ w; L
- MessageBook.class));
! \0 ?. m2 Y! b4 K7 F - request.setAttribute("guestbook.admin.list", list);& m5 m/ F3 `& a2 |7 _
- request.getRequestDispatcher("/admin/secure/list.jsp").forward(request, response);& v6 ^+ b; B h
- }" b: n( M! J, [. _
- % r/ d3 c. E, B+ H5 F6 t/ `
- public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {6 C6 G; A0 }9 U$ h
- db = new OracleTool("java:/comp/env/jdbc/oracleds");
# ]' B- ^0 `0 O/ t - db.init();
, ~0 Z& A3 t/ v1 J - String method = request.getParameter("q");7 {3 E+ f+ W7 b1 `
- if(method==null){: Q0 ` p! r5 D6 {* ^0 C) c# Q
- method="list";# d4 n# J. a! N) g; L2 o( w; J4 X
- }
0 B( _" b5 L# e0 w4 @ - if (method.equals("edit")) {+ d. S4 j/ a5 H) T: o' G
- edit(request, response);
8 Y6 q& f+ U; ] - } else if (method.equals("delete")) {
6 I+ ]6 y7 }5 K w9 c" q1 F - delete(request, response);% a" d0 Q" U) D T& `- t4 q. r
- } else if (method.equals("update")) {
) U" W A" |5 H3 U) S - update(request, response);
$ Q g3 R3 S/ e W - } else {
8 h$ X* b: N' N - list(request, response);( n7 e: h1 \0 R Y' q( G
- }
* ^/ ~) L& M. \0 K - }1 t1 J# K e+ f5 a
0 X9 o( k- q3 I3 i0 h- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {' _5 T' f- g: Q$ q, P
- doGet(request, response);% F0 h, y4 E4 ?6 \" l! t$ |
- }
7 b) r2 r5 j* d2 E3 n0 @- e Y* d& b3 [ - }
) x" B0 A6 V3 ?: z8 A
复制代码
1 R" \( a7 Z/ F' J; y资料下载地址:点击下载
8 M3 \/ H- [3 y' w3 w* V1 ~/ a b/ P* J7 \5 e* @
8 k8 Y" F, a4 x9 n# X |
|