该用户从未签到
|
代码案例:4 X ~; q: i. @4 {& p7 n
- package com.cjg.servlet;
1 i1 K8 ?& F) o0 l - 2 ]6 u! ~+ E$ R: i$ r4 u
- import java.io.IOException;
$ ~! |. ], j( j$ w) t - import java.text.SimpleDateFormat;
6 I. P" ^" t o - import javax.servlet.ServletException;! R4 _9 p* X3 z4 k0 ] H- }( H: @
- import javax.servlet.http.*;& ~* b; N" t8 u+ I9 J7 q
- import com.cjg.tool.*;
0 Z0 r; T7 @) q F - " W, y$ o9 ]: j' y
- public class AddMessageServlet extends HttpServlet {
. @& S( G* a" P2 E6 o- \ - private static final long serialVersionUID = -8349454122547148005L;3 E. z* E! w- X% B8 U
% X' O2 O7 W7 W) @; }- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {, ?3 i% ~9 }% Q' Z1 I
- String sql = "insert into guestbook (id,name,email,phone,title,content,time) values(gb_seq.nextval,?,?,?,?,?,?)";* `' h ~, ~. m4 y
- int result = 0;+ i) `4 ], W5 S
- String message = "";( l+ b6 U2 z( r3 Z! X
- String name = request.getParameter("name");
" D. S& _% @* g4 v T" |* \, v2 D - String title = request.getParameter("title");, w4 H! D, e4 U: s! @# T% U+ A0 ?# U
* V' G6 e; a( i- if (StringTool.validateNull(name)) {
( U: A2 h6 @# |4 H - message = "对不起,姓名不能为空,请您重新输入!<br>";
1 @' r; Q. ~) e/ B4 T8 D - } else if (StringTool.validateNull(title)) {
9 ^! i* K$ j1 @ A# e1 v - message = "对不起,主题不能为空,请您重新输入!<br>";( `* D+ K# J% O) ?
- } else {
* e4 Q& i( k; A - SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");: X2 t* D: V3 d- a J3 V6 O
- String param[] = { StringTool.filterHtml(name), StringTool.filterHtml(request.getParameter("email")),
2 t% _7 q% f/ o9 o3 B - StringTool.filterHtml(request.getParameter("phone")), StringTool.filterHtml(title),( X4 a. Z. G- [& e3 ?3 U! Q4 }
- request.getParameter("content"), sdf.format(new java.util.Date()) };
! x8 l% z9 k9 M - OracleTool db = new OracleTool("java:/comp/env/jdbc/oracleds");
0 }4 |4 }, x" v - db.init();
7 M& ~" n* _! F' s. B - result = db.update(sql, param);3 G4 I9 a3 c) |- V0 m4 ^3 W
- if (result == 0) {7 X& K+ D* H! n- H
- message = "对不起,添加留言不成功,请您重新输入!";1 `8 p7 s: N2 Z/ Z
- } else {8 z1 |+ Z3 G4 W. F( D3 g7 ~% |
- message = "祝贺您,成功添加留言。";
4 C2 o' {2 ^8 g& Q - }. H: B9 [6 j/ Q) b
- }
. p# Q( M9 E5 Z H# ^% w* O3 I - request.setAttribute("message", message);& S! x" o1 `( u" @4 Z! }8 u" H; Z9 G
- request.getRequestDispatcher("/addResult.jsp").forward(request, response);
' u" l2 s! |) h" J; w - }
8 R2 W# X: {2 D0 E$ Y( \7 p0 W- w- p - }
9 R+ @# V- p4 @! @& W" {
复制代码- package com.cjg.servlet;
% o0 W2 O! _1 L4 K) W+ s3 o) g - import java.io.IOException;
7 H6 j! }6 x- X a - import java.util.List;
7 | |8 t& M& ^# G8 c; p8 g - import javax.servlet.ServletException;
7 r$ a* Q9 \; E3 N - import javax.servlet.http.*;
- z' [, K( k0 _+ X# q - import org.apache.commons.dbutils.handlers.BeanListHandler;
, E+ {6 p( Q$ y; N3 i - 3 U* r- c$ N. ]) H1 J/ w3 ?$ J
- import com.cjg.tool.OracleTool;
, l' o. w+ Y8 i" }/ C
5 e" O5 R6 o/ z' u! [) J& D- public class ManageServlet extends HttpServlet {3 @; r& J0 J0 x% \/ y" f
- OracleTool db = null;
i( A2 R7 W& @$ f) A3 _6 ? - private static final long serialVersionUID = 204655027689309554L;' _. \3 C, y% p- G* R0 T, A
- ) c% n# D1 R0 z6 n
- public void edit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {5 H5 R- X4 F: O& ?. |
- String params[] = { request.getParameter("id") }; . w. V! {2 }. X* J7 U5 Q1 Z
- String sql = "select * from guestbook where id=?";
' u+ {! u Q8 \8 `) c - List list = (List) db.query(sql, params, new BeanListHandler(MessageBook.class));" }; p$ L: k) _4 v2 b: E
- request.setAttribute("guestbook.admin.edit", list.get(0)); : ?' g7 r% f3 [6 O% t9 }
- request.getRequestDispatcher("/admin/secure/edit.jsp").forward(request, response);
4 s0 C: X, I' q3 ` - }
; F; I$ y9 E! b* C3 @/ o8 S1 T
9 C3 S- e& a$ v. L* s( J- public void update(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
& B3 ^4 X4 D, Q/ b5 }* t - String params[] = { request.getParameter("name"), request.getParameter("email"), request.getParameter("phone"),* \3 V3 B" u, b4 A4 x6 Q
- request.getParameter("title"), request.getParameter("content"), request.getParameter("id") }; : e$ n9 M+ |8 v0 U$ n" S
- int i = db.update("update guestbook set name=?,email=?,phone=?,title=? ,content=? where id=?", params);% ]6 Y& d4 G$ P3 {+ u% {
- if (i == 1) {
8 @7 g4 n4 S. {9 @0 C* \* K4 I - request.setAttribute("guestbook.admin.update.message", "更新成功!"); E9 G v @& ~' f! c8 j
- MessageBook gb = new MessageBook();) N+ L" v1 B# a, _- u& ]7 R* h
- gb.setId(Integer.parseInt(request.getParameter("id")));* x+ p% j3 q1 @' s) n9 G% o
- gb.setName(request.getParameter("name"));/ k, i) I/ S7 _# Q7 W9 n
- gb.setEmail(request.getParameter("email"));
& h0 ]6 ` P: ]9 w4 r% b. s/ `* p- _ - gb.setPhone(request.getParameter("phone"));+ K! L# w- x9 m9 i" R
- gb.setTitle(request.getParameter("title"));
! T6 \# x" w+ q5 Z0 ] - gb.setContent(request.getParameter("content"));
) S' u$ g6 V7 H/ A$ O - request.setAttribute("guestbook.admin.edit", gb);7 v/ S n y5 p9 v" w
- } else {. s4 ^# r5 ?, L, _+ y: U) e' ^
- request.setAttribute("guestbook.admin.update.message", "更新失败!");; |2 M* Q/ R+ G' t2 L7 c. E
- } request.getRequestDispatcher("/admin/secure/updateResult.jsp").forward(request, response);
: c8 Y( Z* \! Q0 y& p( w) i B - }7 Q$ d' T( ^ @0 u7 S5 i
0 q5 Q: G& b( C0 _- public void delete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
* a9 p% k) P2 ~$ O( H/ C - String params[] = { request.getParameter("id") };. B& K; Z& [/ h
- int i = db.update("delete from guestbook where id=?", params);
1 y+ T# F' Q" D - if (i == 1) {
2 e5 V$ G. a1 q- @- u c1 ^3 } - request.setAttribute("guestbook.admin.delete.message", "删除成功");
- c6 G# M+ v, ~& \ - } else {7 M& d/ o5 g9 U/ R& r( S; _0 E5 n
- request.setAttribute("guestbook.admin.delete.message", "删除失败");
$ Q5 L7 L: G' x/ R - } request.getRequestDispatcher("/admin/secure/deleteResult.jsp").forward(request, response);$ K2 L# p% i v7 y
- }
2 i! l$ g& z; A! w5 ~
6 i2 f* V8 L; f, O9 ~- public void list(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
! r, i) e# w! J" N& \$ V# ^ - List list = (List) db.query("select id,name,title from guestbook order by id desc", null, new BeanListHandler(! p. a, Z! S7 m% P! P0 T
- MessageBook.class));
+ D- e% T& G4 c1 O) `$ | - request.setAttribute("guestbook.admin.list", list);3 S. ^) j$ k5 D9 Z8 }! X) I
- request.getRequestDispatcher("/admin/secure/list.jsp").forward(request, response);7 d* K% I" b$ p+ d+ z! v* V6 y% Y2 d
- }( i# Q3 j( M+ x+ j5 w; g
" B/ `8 J5 m) E3 j* G$ E; w- public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
2 j A7 ~, L* x1 q5 @9 H& N - db = new OracleTool("java:/comp/env/jdbc/oracleds");, w" @ w/ r6 t. o
- db.init();
* F/ i4 K$ A- H3 p0 T - String method = request.getParameter("q");
% i1 B5 S: Y1 h3 O4 G - if(method==null){/ C4 m# r( R6 d+ \ h
- method="list";! o7 j1 _0 U: P2 m, e, X+ [& e8 \: G
- } ( f+ q" E0 I! E( l0 Z
- if (method.equals("edit")) {0 t- S& o: d$ {
- edit(request, response);+ n$ D; _" d2 }2 a1 l
- } else if (method.equals("delete")) {
' z% H: q. n+ v! ?6 f - delete(request, response);/ I$ b- g5 e; r6 h- {0 D$ N/ c
- } else if (method.equals("update")) {2 L7 I5 k: q# Y
- update(request, response);$ X! k* n. \; g9 m
- } else {
0 ~/ g- G4 o' s; U - list(request, response);
( B- `, P+ M5 u I8 s5 d; T+ y2 i - }
( o, _# u6 X( W/ e0 O" x# l - }
6 c7 ?+ p7 H) q, i% n0 S2 i - * _8 G8 R$ l1 v f; T7 b
- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
, Y, S9 J* L0 U& e; T - doGet(request, response);
' Y* v9 l4 `. f; Z - }* }* O3 M, \7 J$ }; J3 `3 u
- }
! f/ }" y+ ~. q4 Z
复制代码 X7 O+ C8 {; j0 r5 n
资料下载地址:点击下载2 @5 e$ r( M- W9 s* U
4 M1 e+ E; F. i; k
9 S; X( ^6 h6 @ v9 }6 z. N9 g) h |
|