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代码案例:9 Z: z5 `& N) [$ g9 n
- package com.cjg.servlet;! F3 i: Q9 q/ I$ @+ u. _
- * C" k* S v3 E; T
- import java.io.IOException;
+ Y2 `) S5 @$ z( \( m - import java.text.SimpleDateFormat;
( i+ R# @' O1 a+ y - import javax.servlet.ServletException;( U. _# G- O1 M* Y- p+ S, \
- import javax.servlet.http.*;
; M. A2 x5 w) o" S$ s3 S - import com.cjg.tool.*;6 q% G( k# {1 H6 g
5 P4 B" c+ ^: ~! f$ O5 R9 ]- public class AddMessageServlet extends HttpServlet {
+ D. u9 W5 n* }& c6 ?6 Z* N8 H - private static final long serialVersionUID = -8349454122547148005L;
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- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {4 G+ ~' M9 E5 {* c5 M6 i6 p6 a; S
- String sql = "insert into guestbook (id,name,email,phone,title,content,time) values(gb_seq.nextval,?,?,?,?,?,?)";
5 ^$ a5 q8 q/ P$ a* F - int result = 0;
; U* ?. Z$ r- w) | - String message = "";" ]: a5 R' K J
- String name = request.getParameter("name");& |- s9 j; X8 w0 U' w/ J
- String title = request.getParameter("title");& | S. q( q5 k4 \( S& m J
- : Y c- z# e2 a I' A
- if (StringTool.validateNull(name)) { e2 }2 T4 t5 f
- message = "对不起,姓名不能为空,请您重新输入!<br>";
8 }: Y) u0 A2 s! N. D - } else if (StringTool.validateNull(title)) {8 }( d8 b, I! R! ?
- message = "对不起,主题不能为空,请您重新输入!<br>";
3 V4 w9 _# j' S6 N2 ] - } else {: y4 n, e1 j6 z2 _# T3 p! [9 [$ N3 |
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");% |: ]% j6 I9 _: Y
- String param[] = { StringTool.filterHtml(name), StringTool.filterHtml(request.getParameter("email")),
* Y9 c1 Q3 @, ]. O/ w/ c& E - StringTool.filterHtml(request.getParameter("phone")), StringTool.filterHtml(title),
7 o6 i3 `" o, r" o: {$ I4 e - request.getParameter("content"), sdf.format(new java.util.Date()) };# u4 _ f$ ] ]! p9 U
- OracleTool db = new OracleTool("java:/comp/env/jdbc/oracleds");
" t x( \. B/ x- a) ~ - db.init();3 v0 Z) r, y+ b. e$ P
- result = db.update(sql, param);0 _ x# j, L8 E
- if (result == 0) {
0 z+ M* h" ?( J) r% n - message = "对不起,添加留言不成功,请您重新输入!";- h+ t7 X# e g# X- S0 ~. D; ~
- } else {! n5 r5 a/ H* r2 X, F3 h
- message = "祝贺您,成功添加留言。";
# S- C F7 U5 b! B' g1 l. _ - }
" b% h8 o& {& D# a4 U2 u - }
( ]5 Z C0 F7 b% C* P - request.setAttribute("message", message);( {) m) D$ I0 g7 N! B7 Z
- request.getRequestDispatcher("/addResult.jsp").forward(request, response);
+ J% a2 D$ a/ f( a1 j - }
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复制代码- package com.cjg.servlet;3 A' c* ^6 Q; ~ @7 b' P, Z
- import java.io.IOException;3 d+ o5 s- q! i0 B" z4 Z
- import java.util.List;
9 S2 b. C2 L4 C - import javax.servlet.ServletException;4 Q& g- |! W, w5 P4 y
- import javax.servlet.http.*;
7 x6 O$ p& y/ t8 y1 c - import org.apache.commons.dbutils.handlers.BeanListHandler;
: y; z* }+ L4 ^" Y. o* x
1 }7 _- ~4 X, r6 X! Q3 t' N$ [% h0 Y3 X- import com.cjg.tool.OracleTool;
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- public class ManageServlet extends HttpServlet {
$ r+ w& k! N. T+ d/ H1 [ - OracleTool db = null;& a- Y1 t: Q( U5 A }) C
- private static final long serialVersionUID = 204655027689309554L;9 N! Q2 f7 ?& [
- / x& l, p# S% K) H9 o; B* Z+ m5 J
- public void edit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
# o6 s+ k3 E( z8 U, h9 k& t - String params[] = { request.getParameter("id") }; 2 M) J7 x p r v9 @6 V
- String sql = "select * from guestbook where id=?";7 W) h. O% w _* l6 J. [- D
- List list = (List) db.query(sql, params, new BeanListHandler(MessageBook.class));
4 R# u1 g k; t7 l- M" g - request.setAttribute("guestbook.admin.edit", list.get(0)); ]7 m0 `$ F* A& U% E" S1 [
- request.getRequestDispatcher("/admin/secure/edit.jsp").forward(request, response);
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& c8 O4 |9 ^' U) k% i1 f- public void update(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
7 ^. B/ D( ^+ v$ `; g$ ] - String params[] = { request.getParameter("name"), request.getParameter("email"), request.getParameter("phone"),9 i6 a) z8 U! E K8 I7 t
- request.getParameter("title"), request.getParameter("content"), request.getParameter("id") }; r Q7 i3 m2 f8 i0 N
- int i = db.update("update guestbook set name=?,email=?,phone=?,title=? ,content=? where id=?", params);, x4 \! ?. {/ D5 S( R
- if (i == 1) { j% w* b1 P$ D& V; o( u
- request.setAttribute("guestbook.admin.update.message", "更新成功!");
7 H7 Y1 {( |" A9 ^1 V - MessageBook gb = new MessageBook();+ p% \$ K: c9 b3 ^6 G- n0 n
- gb.setId(Integer.parseInt(request.getParameter("id")));
3 L) D0 S7 ^6 G; U% b - gb.setName(request.getParameter("name"));, b8 P' L0 F5 h
- gb.setEmail(request.getParameter("email"));) Z, u; w8 R7 M. w5 [9 W' D. S
- gb.setPhone(request.getParameter("phone"));, h3 S/ L0 { k( [% F7 g" U# }5 I
- gb.setTitle(request.getParameter("title"));
% W; s# A& {$ Y- r# o - gb.setContent(request.getParameter("content"));
2 Z1 d$ }( g$ k# [ - request.setAttribute("guestbook.admin.edit", gb);
5 s3 Z% s: K- ~! K+ C# w$ E - } else {* o9 |" ]" ^$ E0 w
- request.setAttribute("guestbook.admin.update.message", "更新失败!");
0 g, d7 U0 b. f1 ?1 @. O8 ]9 V. k - } request.getRequestDispatcher("/admin/secure/updateResult.jsp").forward(request, response);
% F, P$ U0 j3 ~/ R5 E8 P' S - }
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# B# J- j! K/ L* @- S- public void delete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {& @. r1 } y5 z
- String params[] = { request.getParameter("id") };
7 }1 b% O, Q$ E8 r - int i = db.update("delete from guestbook where id=?", params);, u& v. _ y7 w( o6 v
- if (i == 1) {- E: t% l8 s+ M
- request.setAttribute("guestbook.admin.delete.message", "删除成功");9 t; X' @& M# F" j$ ^% y( {3 W
- } else {" w# F+ I6 }6 C* N! I
- request.setAttribute("guestbook.admin.delete.message", "删除失败");
" |& H/ X; v- P% C" k6 D - } request.getRequestDispatcher("/admin/secure/deleteResult.jsp").forward(request, response);8 j, {6 n2 R0 c
- }
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- public void list(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {+ L8 N- V1 ?; t) C: r5 Z
- List list = (List) db.query("select id,name,title from guestbook order by id desc", null, new BeanListHandler(: B- T2 H9 t" W1 D7 ^8 D# h
- MessageBook.class));
* K$ s' Z. r$ S5 c3 f O6 O - request.setAttribute("guestbook.admin.list", list);8 v; W* P& U$ E1 }/ S' c- `3 M
- request.getRequestDispatcher("/admin/secure/list.jsp").forward(request, response);5 b1 e4 X( M5 X! f5 W
- }
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7 O: O' }6 Q& N% c Q% j- public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {! }) s7 U( i; x6 e
- db = new OracleTool("java:/comp/env/jdbc/oracleds");
8 @; ]* l; ^/ |. d" m+ \% D - db.init();4 G! g8 k& X4 K( _# f2 E/ H- f
- String method = request.getParameter("q");
$ M0 b8 {1 y$ U7 B6 I& B V - if(method==null){9 @# |- K+ L0 J" r
- method="list";+ A: {0 {8 E- u# ]( L
- } $ K& s, F9 x" g# P$ a
- if (method.equals("edit")) {+ a: a! V: e2 N. I+ I
- edit(request, response);
' V `! ?) b% f - } else if (method.equals("delete")) {
* ~- e& D$ ^1 M: w - delete(request, response);* E3 w( ?+ K7 S4 j+ L
- } else if (method.equals("update")) { M; [2 }3 \/ ^0 }$ M
- update(request, response); ~- E! |" F& E8 d; n
- } else {! }/ q7 I) Z; h {4 R4 S; `
- list(request, response);7 \; l8 s( `1 H4 }; J# [
- }
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" x4 F0 Q" Q: r% ?7 T U) f4 @- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {5 t8 P, D" q6 X* o
- doGet(request, response);3 K) F* W) C6 p0 C$ E# c$ F
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