该用户从未签到
|
代码案例:$ b6 B8 N9 u) P' v0 \2 X
- package com.cjg.servlet;* x0 j3 ], N" ]8 m
' B4 v3 _; Z8 K9 A$ X6 k- import java.io.IOException;
7 \1 W9 n" ^0 r2 ~" P( q - import java.text.SimpleDateFormat;6 o; f! B7 D* u/ q3 W, Z
- import javax.servlet.ServletException;
& K; p3 f! i, C9 y" @ - import javax.servlet.http.*;0 ], d2 B" a% N5 Q9 f) G3 }( j
- import com.cjg.tool.*;
: N+ K" u R' [& E4 l9 D7 y - 7 A0 a; X( ]( e. g7 A. x
- public class AddMessageServlet extends HttpServlet {
! S3 \4 E# a, K4 T2 Q- t - private static final long serialVersionUID = -8349454122547148005L;
% C, m- a3 ~& Q& U4 `/ G: y
4 o$ C& L( q2 ^9 R5 ^- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {3 c) w3 t9 }2 y. t
- String sql = "insert into guestbook (id,name,email,phone,title,content,time) values(gb_seq.nextval,?,?,?,?,?,?)";) v/ O% N. X+ t+ z' |2 w6 K! j* T
- int result = 0;
7 d9 l. B4 q$ ~2 P - String message = "";: p, w& Q5 U% ~3 y6 ~; H
- String name = request.getParameter("name");
) n( o5 b$ h& f - String title = request.getParameter("title");
- d; W" @, g5 _
$ j4 y' F3 i" D! h+ ^; M, B, \- if (StringTool.validateNull(name)) {3 K9 P. i: m" w' Z
- message = "对不起,姓名不能为空,请您重新输入!<br>";
: [% x7 t2 K; ^+ Z& S& M% T1 ^. h1 I - } else if (StringTool.validateNull(title)) {; Z, {( F* l3 g6 {% l0 K3 _ \& j; t" z
- message = "对不起,主题不能为空,请您重新输入!<br>";9 G* ?/ J9 l g4 P
- } else {
! d) t7 s# U" @# X1 o* P. T - SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");9 Q& s. L% P: m h' _- v8 j
- String param[] = { StringTool.filterHtml(name), StringTool.filterHtml(request.getParameter("email")),5 I$ `8 n5 H5 ]7 N4 @- l2 c: v
- StringTool.filterHtml(request.getParameter("phone")), StringTool.filterHtml(title),
* Q" ] @& r+ H- R8 e - request.getParameter("content"), sdf.format(new java.util.Date()) };
, n& D8 l. o9 S3 P( `0 B - OracleTool db = new OracleTool("java:/comp/env/jdbc/oracleds");
2 U% k2 S1 Y4 Q: p: I3 X - db.init();
- v i: e' @" R" i R2 T6 R0 L - result = db.update(sql, param);8 U3 q' [% e! C1 X( y$ r, T
- if (result == 0) {. c a5 R+ A' Q' z
- message = "对不起,添加留言不成功,请您重新输入!";( x) g* m" q# _" a5 k
- } else {# F" x( o; ?( B
- message = "祝贺您,成功添加留言。";
- a4 u: H7 |/ F. P - }. p' ~' o1 y/ {9 A$ c/ U
- }
: v6 j r( G" p E2 y! p8 ] ^: W - request.setAttribute("message", message);
* y1 @' n) f: [3 v! p - request.getRequestDispatcher("/addResult.jsp").forward(request, response);
! N" c! h% e& W4 K - }% t2 P8 v- O$ f9 o- L, X8 ~ A
- }* U2 @/ s- c* {& m
复制代码- package com.cjg.servlet;9 W7 E2 B( ^4 K" O
- import java.io.IOException;! F3 E( Y7 J* e$ k5 \$ U
- import java.util.List;
" ~! F, d, S/ f* N; c- e" l) K - import javax.servlet.ServletException;- x2 U5 \" H$ [ e" ] M
- import javax.servlet.http.*;- m. s0 ~) |! T0 @
- import org.apache.commons.dbutils.handlers.BeanListHandler;
; P+ _/ I6 X2 d" t
0 H# L. @! t, a8 H, Q* i) G- import com.cjg.tool.OracleTool;
7 L; w& j W j8 H% L) h
# h8 N9 V7 r( y- U- public class ManageServlet extends HttpServlet {4 @2 Y1 P' F' C2 Y4 U/ ?5 g
- OracleTool db = null;
/ O+ z- H; S1 ~1 t - private static final long serialVersionUID = 204655027689309554L;6 q% _2 K( H: H
- % {5 \4 ~8 h0 M+ a
- public void edit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
6 `' R. F! C2 G$ X - String params[] = { request.getParameter("id") };
- B- h% G4 e! I, M/ R8 \+ J* z: h - String sql = "select * from guestbook where id=?";
3 n" \# J7 ]& s- Y: Q - List list = (List) db.query(sql, params, new BeanListHandler(MessageBook.class));, e A8 N/ i) H/ |/ v
- request.setAttribute("guestbook.admin.edit", list.get(0)); 3 y2 v, u. P: `1 J* I. \- F; y! [
- request.getRequestDispatcher("/admin/secure/edit.jsp").forward(request, response);
8 G! X- H- r; Q- @- Y& L - }
- o; ~/ c7 Z: U4 u' @% O2 G - ' I. K w9 Z- s3 H) [
- public void update(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {- Q+ ?! S' l0 G; b8 q) I+ @
- String params[] = { request.getParameter("name"), request.getParameter("email"), request.getParameter("phone"),6 V' i0 E1 E; g
- request.getParameter("title"), request.getParameter("content"), request.getParameter("id") }; 6 A& e! R9 j& i* f. x" X% l9 T
- int i = db.update("update guestbook set name=?,email=?,phone=?,title=? ,content=? where id=?", params);' ^( B. @9 x# t; w1 ]. a( A1 }. o( p
- if (i == 1) {, w6 h9 i& C, H
- request.setAttribute("guestbook.admin.update.message", "更新成功!");& q, L( ?+ o! m" O
- MessageBook gb = new MessageBook();
$ ?$ R9 r5 W ]0 h& T0 S' ^/ k - gb.setId(Integer.parseInt(request.getParameter("id")));; r" O7 ^+ I/ v0 B- F0 t- w
- gb.setName(request.getParameter("name"));+ j0 c" O. O1 ]" |: x+ R; A7 z- c
- gb.setEmail(request.getParameter("email"));
( A+ `, J, G" W. k. O - gb.setPhone(request.getParameter("phone"));
. q( {, x: U0 G2 e# \ - gb.setTitle(request.getParameter("title"));1 _5 x3 i s6 W
- gb.setContent(request.getParameter("content"));
. C9 X. ~7 W" a7 z# {! ^. k2 q! _ `( m1 U - request.setAttribute("guestbook.admin.edit", gb);
' F4 P' t5 ]8 P% z - } else {: \8 L8 h; E; c' y3 c
- request.setAttribute("guestbook.admin.update.message", "更新失败!");
' I! q/ |( I( I2 ~ - } request.getRequestDispatcher("/admin/secure/updateResult.jsp").forward(request, response);* w8 I9 R0 J' k. z, }# Z
- }+ g. `6 I9 \5 O& R2 i0 X! ^
! D5 t" r6 D* I4 K u# m- public void delete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {2 D6 J$ I; K' Y/ M. c6 |2 k
- String params[] = { request.getParameter("id") };
& Q3 O& ~1 H- T; C8 F - int i = db.update("delete from guestbook where id=?", params);
F( s) |) Z; n* E/ i, H& {- E0 S - if (i == 1) {
" f( ?/ U" F4 p6 y3 [ - request.setAttribute("guestbook.admin.delete.message", "删除成功");/ b E5 i# I7 T- h
- } else {0 ?( x* v6 ? Y7 _
- request.setAttribute("guestbook.admin.delete.message", "删除失败");! O7 D1 U1 R# v; m
- } request.getRequestDispatcher("/admin/secure/deleteResult.jsp").forward(request, response);. {0 H8 o2 T$ h; Z
- }
! v& v8 t" c, X2 Y# e; R
* w. [% w9 v" g# Y7 ]( c6 o# J- public void list(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
2 X0 N* H; S) a - List list = (List) db.query("select id,name,title from guestbook order by id desc", null, new BeanListHandler(. w9 k7 @: W+ v' M3 K% R7 N
- MessageBook.class));% I+ n6 V0 i4 p, z6 N; X' H" Z( l
- request.setAttribute("guestbook.admin.list", list);
+ |+ w& f! C% J" B( M, F - request.getRequestDispatcher("/admin/secure/list.jsp").forward(request, response);
! H; w% ]" B1 }; i - }' w4 \; i# A* D0 u
- " e9 S, l* z ?, i# z- T$ O7 T; A
- public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {; U. }! \* a1 }0 P- k+ s
- db = new OracleTool("java:/comp/env/jdbc/oracleds");" K* D/ h2 m( A4 m% j
- db.init();
4 H7 a$ e/ s! P. w" B9 I9 ^" s" W - String method = request.getParameter("q");
s2 J8 `$ }* n$ |/ a% q* o0 x) J7 s) R - if(method==null){8 ^* K% H1 [ c: Y+ Y g1 ~
- method="list";8 T# I0 y& [$ w4 H
- } + O( w* _+ ^7 X5 O' S
- if (method.equals("edit")) {
2 ]! c! z$ M. {- R" w( E - edit(request, response);
' X6 k7 t( C r5 r - } else if (method.equals("delete")) {
' p" c( B) f k. o - delete(request, response);
0 Z6 Y; X4 |, S$ d! x - } else if (method.equals("update")) {9 H: G( f2 p1 Q9 `3 @7 t7 l
- update(request, response);1 S/ W0 q- Q; e0 L, k7 X6 K! Z
- } else {1 Y& n W6 W- B+ u' h( c* m+ ^
- list(request, response);4 Q K7 L4 Z: y' m0 B7 c
- }. M9 v1 |: V* e; y# L- X
- }, r7 A) H1 A9 L, M
- X8 o O: w9 h+ x! T- x+ j4 }- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
) R& N3 Y2 N+ @5 {0 I4 | - doGet(request, response);7 Z P. }- D3 A" n
- }
. z& N, |% I+ B4 @ - }6 D3 u# I( U" L; p% ~% |
复制代码 - u& P n1 y- z( [: A$ Z5 R
资料下载地址:点击下载5 ? \9 u3 [( `( ~" ^
2 s% Y }& ^9 C' {
. ?6 `) f; e# k& I% v& H; L7 i
|
|