该用户从未签到
|
代码案例:, F# _" c3 P3 J8 ]: O5 @& P
- package com.cjg.servlet;
# a& D+ m9 \7 P5 C. J6 N" z q9 J - & q! Z- I2 F4 ~, h
- import java.io.IOException;+ q7 G2 @( l6 A0 K. P6 X
- import java.text.SimpleDateFormat;
2 I* L* E: Q/ q1 i% _ t/ H - import javax.servlet.ServletException;
. T9 k# h1 X; g& P S, i- d - import javax.servlet.http.*;
4 Q( f4 y% j8 g9 w9 e8 v: x$ w - import com.cjg.tool.*;4 ~1 G4 C' l" L% |
7 _, a! K6 W8 T7 c$ x1 |- public class AddMessageServlet extends HttpServlet {% g* W& l! c2 o
- private static final long serialVersionUID = -8349454122547148005L;5 \: b! i% V, g! m
# P8 g a e4 W# }$ l- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
, d$ u# _! S7 J - String sql = "insert into guestbook (id,name,email,phone,title,content,time) values(gb_seq.nextval,?,?,?,?,?,?)";
0 k$ a8 `& ^, o# ], ]( [ G - int result = 0;
; H" F, }+ R! e) n( [1 a k - String message = "";
: ^' c7 V) e9 q7 c4 H - String name = request.getParameter("name");
9 ^4 l! I& Y& A) [; c x$ V6 A; R - String title = request.getParameter("title");6 N3 o9 i9 H. i# Z, Y. \
- 9 b1 Q) C' n9 z. N/ B+ e
- if (StringTool.validateNull(name)) {
. T: H# Q7 u: j+ A; F& a - message = "对不起,姓名不能为空,请您重新输入!<br>";; H3 Q: m$ I B# B6 w- r* p$ U
- } else if (StringTool.validateNull(title)) {+ X" J2 v/ {3 r) s/ e* W+ m) l
- message = "对不起,主题不能为空,请您重新输入!<br>";
, ^! ~7 X. i4 r) L - } else {
! K8 P& P* W9 }! X ~4 k - SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");4 N3 w2 H8 @0 C) K. C# O
- String param[] = { StringTool.filterHtml(name), StringTool.filterHtml(request.getParameter("email")),1 L3 I' I E8 ~# `
- StringTool.filterHtml(request.getParameter("phone")), StringTool.filterHtml(title),4 X! z% m7 I, y5 g' _: t% m/ Z
- request.getParameter("content"), sdf.format(new java.util.Date()) };! c9 b/ B3 {( [2 U' C% c! m' u& Z
- OracleTool db = new OracleTool("java:/comp/env/jdbc/oracleds");
6 c/ l' T; t$ Z3 Q1 U - db.init();$ S7 f1 F8 T+ s
- result = db.update(sql, param);- P6 P, {' s6 p# H
- if (result == 0) {
2 h4 l8 t9 S5 O+ T8 m. m4 v Z - message = "对不起,添加留言不成功,请您重新输入!";
S- ~& o0 |8 t0 M - } else {" Y0 p) o: Z; y; f+ q
- message = "祝贺您,成功添加留言。";
/ I F/ g1 {& \* i" B5 i9 \ - }) T# b5 n- F; g
- }4 ?3 x& X1 E0 X$ L) E# E
- request.setAttribute("message", message);
7 p: s7 `: t1 x, B- u! ] - request.getRequestDispatcher("/addResult.jsp").forward(request, response);- f' ^* x! ?) N2 z. Y- E
- }
' R# X+ ]; a" [% @ - }
7 c& U1 H) g8 U
复制代码- package com.cjg.servlet;
% b- L! a2 g- L% r0 h - import java.io.IOException;
* m/ ?2 N/ B: h6 d; h$ f - import java.util.List;
- I) P& }; E) {( _ ^ - import javax.servlet.ServletException;
+ j- o0 f- @2 m$ M( Y1 ]7 W) \ - import javax.servlet.http.*;
1 ]% u# z; g! `4 m1 A - import org.apache.commons.dbutils.handlers.BeanListHandler;
' i4 C) z; o' b% z2 i, f. s - 6 w% `* |8 E- L) I5 g& z
- import com.cjg.tool.OracleTool;: B2 N t' I7 P
- ! h3 v. e5 b, t3 r, E+ q& C
- public class ManageServlet extends HttpServlet {
# V' X& x& [$ D# u: p& h& k: u - OracleTool db = null;$ [0 F( ^, g. A& o+ x& Q2 R: c$ b$ Z
- private static final long serialVersionUID = 204655027689309554L;
. d- e5 {0 s) q3 H: K
$ P: c, V+ B9 Y8 t- public void edit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {. L2 Z: J/ j9 B; S
- String params[] = { request.getParameter("id") };
1 a9 q" I. ?% z0 a* F - String sql = "select * from guestbook where id=?";( G& ]: c, Q k/ k. j1 }' C
- List list = (List) db.query(sql, params, new BeanListHandler(MessageBook.class));8 i) t- H0 n1 J+ v6 C' W# Q
- request.setAttribute("guestbook.admin.edit", list.get(0)); 2 h# R2 G+ g( ]% M
- request.getRequestDispatcher("/admin/secure/edit.jsp").forward(request, response);
6 Y3 B% \! e, n: U# f - }. X/ V+ D3 w( g N3 V" A/ ?) H
- K1 v' w, n4 W' {- public void update(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
9 Q8 w% q2 S# T9 |$ @& E2 W) K - String params[] = { request.getParameter("name"), request.getParameter("email"), request.getParameter("phone"),2 E) N* D+ z' }
- request.getParameter("title"), request.getParameter("content"), request.getParameter("id") }; 7 ~/ S4 ^: q2 ^: B
- int i = db.update("update guestbook set name=?,email=?,phone=?,title=? ,content=? where id=?", params);
" J+ J( V) N& E$ l5 Y: z' D - if (i == 1) {" p0 d! d9 N# g/ M/ I9 a
- request.setAttribute("guestbook.admin.update.message", "更新成功!");
& Q, K$ o* @0 X: }5 _ - MessageBook gb = new MessageBook();
5 J4 K4 U$ _' W. Z$ x+ |" h& N8 T - gb.setId(Integer.parseInt(request.getParameter("id")));/ x" z9 W5 f6 D1 r# R& |% V2 J( h
- gb.setName(request.getParameter("name"));
0 Q" B% o+ _+ F - gb.setEmail(request.getParameter("email"));5 z4 E! N1 Z5 h% E3 U' Y1 X s
- gb.setPhone(request.getParameter("phone"));
' l9 M' A9 v) { - gb.setTitle(request.getParameter("title"));$ O( N$ p. C2 e+ H% O
- gb.setContent(request.getParameter("content"));
, F! x$ e0 F6 X6 [3 y, ? - request.setAttribute("guestbook.admin.edit", gb);
& i( X$ {4 e6 J- _" `" N - } else {
7 J. V0 r2 N* R3 \; S2 p - request.setAttribute("guestbook.admin.update.message", "更新失败!");4 U- t/ d s% G
- } request.getRequestDispatcher("/admin/secure/updateResult.jsp").forward(request, response);
o3 `& |# I* ^1 N - }
& d9 B& {: q; t8 P: M
( H! M$ f) ^) t. ]( l8 {: ^( i: Z- public void delete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {5 b" K" q& K7 } b
- String params[] = { request.getParameter("id") };4 b3 Y4 K, ? S0 n0 G9 ~ w
- int i = db.update("delete from guestbook where id=?", params);
( H1 b$ `4 z) {6 S: h - if (i == 1) {
. a# `% A% P& |+ [ - request.setAttribute("guestbook.admin.delete.message", "删除成功");
+ h0 T" X6 x h' I - } else {
' E$ ^$ t% m4 }1 `- O. b! R' C - request.setAttribute("guestbook.admin.delete.message", "删除失败");
% ^! i! ~+ x$ k j/ c$ V* ^7 z - } request.getRequestDispatcher("/admin/secure/deleteResult.jsp").forward(request, response);
4 B" u/ ^1 A% A' {4 L - }
: _9 B5 g" }- i - 4 N* S' l/ z3 f& C6 O' F" `2 M+ [
- public void list(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {* F5 o6 X5 t/ n
- List list = (List) db.query("select id,name,title from guestbook order by id desc", null, new BeanListHandler(. h# e+ L# h4 `5 Z/ `' y$ J
- MessageBook.class));
* ^& I1 N+ ]0 |" p; s3 J% V3 D - request.setAttribute("guestbook.admin.list", list);
$ P+ S6 x8 X4 u% o. e - request.getRequestDispatcher("/admin/secure/list.jsp").forward(request, response);) G6 V8 h/ Q0 u
- }& b3 U# B; b9 \! `3 v: B0 L+ y7 m# L
9 E8 F# e& L7 ?/ c+ B! Z% v- public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
$ v4 h. v( r m A - db = new OracleTool("java:/comp/env/jdbc/oracleds");7 V; a6 I7 j' X" N% N
- db.init();
: X3 F) r. h5 B, d' ?) r - String method = request.getParameter("q");+ m6 A' T9 l$ N9 C4 F7 |' m
- if(method==null){+ h- N. t5 q3 k
- method="list";4 m, B1 P& O6 P: M& Y% R
- }
8 L: x+ u, A3 @: z' _' |5 V; U' a% o* m - if (method.equals("edit")) {
- q* t- L' V: A u/ M - edit(request, response);+ Z" X, d2 \! n
- } else if (method.equals("delete")) {. a; X9 [3 N7 N# \+ c! ^
- delete(request, response);# b! T, P6 }( @2 u
- } else if (method.equals("update")) {6 X" e4 C0 \6 r/ X7 b
- update(request, response);2 h& Q b Z+ |
- } else {
( M c0 w1 y+ ~" j - list(request, response);
# t' c: c, {/ M) S0 X/ n - }
3 h3 h7 \/ y, [6 R2 l6 i - }
) M. A/ @( b' j' T- P2 k! p - 1 d% `" k7 x% \+ _$ u
- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {. h5 _2 }0 @/ ]4 s7 V8 s
- doGet(request, response);
2 N1 N/ H" Q2 Z3 U1 _ - }2 k) P2 Y& h$ R) P
- }' H; i, X5 l( E
复制代码
2 a' o1 Q" d1 f% Z! J8 ?7 Q资料下载地址:点击下载2 Z3 J8 f& @7 J
7 c+ o; C5 ~0 R l
' a& S+ \6 ~$ ~& m8 w, `6 H |
|