|
该用户从未签到
|
- package s2.jsp.zhangxiao.dao;
2 j! E! P% l7 U+ F7 Q - # ?8 Y" \8 J9 |4 C) x' u
- import java.util.List;2 ^- ?8 O8 `. W- S+ N; z- Q1 d
- 4 G$ A( j- T8 C3 c H2 g
- import s2.jsp.zhangxiao.entity.Photo;2 j+ C* S1 D- P7 r3 _* G4 d
- ! s/ P2 m: @1 L8 A+ D
- /**2 \9 k1 X, h: e2 w" i: E6 d
- * 照片信息的操作所需要的接口- r; g" c9 h) N; W
- * @author Administrator
1 q5 y# u- [+ a - *
# ]. w t( O7 s# G- d, n; i - */
6 G; ]8 `0 W" N8 O# r7 Q4 B" z) I2 ^4 V - public interface PhotoInfo {' b0 g2 V0 S+ U' F4 Q
- //增加照片信息
- u, e. `0 d/ z - public int photoInfoAdd(Photo photo);0 K1 m7 H! F& `9 }0 U! D
- //查询所有照片信息! A: C3 k) y3 T
- public List photoListAll();
! C: T; U* {) r) G - }3 x2 Q# Y9 I2 k, g2 S
复制代码- package s2.jsp.zhangxiao.dao;5 M, s& p$ {# |4 _, b" j2 M
- import java.sql.ResultSet;
' P! Z$ `6 w/ u+ ?8 x* p6 ? - import java.sql.PreparedStatement;7 Y5 _# `$ V5 O0 a8 W/ Y
- import java.sql.DriverManager;
* M. i9 Q2 s' ^$ p* j+ q6 F - import java.sql.SQLException;& F8 a- n$ { ~
- import java.sql.Connection;
4 r, e. W8 `5 X! W' ~/ Z2 t7 l
) f; C3 u, {1 u; f5 Z0 s
5 u5 e& S7 O' X* n6 Q- /**
; j3 F2 o9 I \6 u" r - * 连接数据库$ {. j, E' c3 ?9 \9 D/ p) N# k- c
- * @author Administrator
+ Q) o$ b+ o N' `* Y - *5 R: s/ h! j# S: F5 m; Y" k
- */0 X; Y4 d+ a5 Z. L2 l
- public class PhotoInfoBase {
0 V3 m# Z4 R2 O - //链接数据库
! h4 S0 p6 _, @" @8 g, `/ I - private static final String DRIVER="com.microsoft.sqlserver.jdbc.SQLServerDriver";8 t. \0 X2 i- c
- private static final String URL="jdbc:sqlserver://localhost:1433;DataBaseName=pictureDB";0 @! S# P- U7 R& |: v
- private static final String DBNAME="sa";
9 R& {( C/ B% @3 G, h* e0 v2 B - private static final String DBPASS="1234";* B9 w2 p% f5 p* q* F, l" D& J; g; F
- /**0 J8 `7 _" J1 J/ `: K, z
- * 打开数据库连接
' ?3 i" X' K R. U# | - * @return
: Y: P8 k( p2 g6 q2 r - */& i; N3 R0 t# |
- public static Connection GetConnection()8 K2 G+ v* t1 n1 g
- {' ], d. }+ z6 n+ V$ A+ C
- : v6 s% R! U/ _* F+ s8 G( f
- Connection con=null;
' q2 T' c& C# h' t - try {9 m7 l8 o: X+ p+ o
- Class.forName(DRIVER);- P1 A8 h2 U) m
- con=DriverManager.getConnection(URL, DBNAME, DBPASS);" h# R! {& M" A* F3 d* z A8 G6 Z
- } catch (ClassNotFoundException e) {
6 A- s# p. w' G' \ - System.out.println("加载驱动出现异常");
7 _& p+ m. t* T1 z - e.printStackTrace();
! I# E" p# b! {% z" r: `( i) x" @% W - } catch (SQLException e) {0 z6 F }, c6 B; t$ H) w
- System.out.println("数据库连接出现异常");1 o8 Z, n m; y
- e.printStackTrace();
# a# o% L9 W) X- Z) O- D% C - }* U0 {) Y% f! ?% s, R
- return con;
9 Y% l1 z8 [0 \ z( w - ! z2 c H/ T: `3 ]: O" i( p
- }" w3 s5 _" l3 n- l, Y+ ?% c) {
- /**8 E# x9 z' s1 F( t5 [! }
- * 关闭数据库: A- L. _) G* j! n$ f
- * @param con
$ M$ r$ x9 I! w$ `: G- S - * @param past
6 E! @7 W, l: z: m, J o8 @9 T - * @param res3 }4 p! T( `/ E# ~0 Z
- */- |/ |) B% f5 o5 c* f; ~: l
- public static void CloseAll(Connection con,PreparedStatement past,ResultSet rs)& l. x0 X6 X8 y+ j& F
- {: L, Y! a7 s1 L3 ^) F3 `# K' g" X
- if (rs!=null) {- m% I- _7 g8 v4 l% X/ N/ k. M3 Z7 U
- try {4 x0 [0 j b- i7 i0 h7 R2 m3 Y9 @
- rs.close();
1 [6 @. w4 N0 u$ d" Z2 V" L - } catch (SQLException e) {
6 n9 {' S. S6 ]: G0 g& M - System.out.println("rs 关闭出现异常");
) s5 ^$ b: ?4 x! \( p6 x - e.printStackTrace();
% n. Q5 t- @: T4 ]' v# G - }
: n O, z0 G: _& c* e# t7 H - if (past!=null) {* s8 P) O1 p: @; ?2 V, p" l M; h! O
- try {$ E2 h$ T j3 @: t0 ]" v0 Z
- past.close();
( _4 X4 K2 D1 Z* }7 x - } catch (SQLException e) {! ~6 S7 } o# J2 B" p2 t& C
- System.out.println("past 关闭出现异常");
5 G- W; |7 y4 |1 ~4 K- y - e.printStackTrace();
; R' F! i5 q# M- {* v- p - }4 a+ H1 u: T6 d3 m( B0 d& y) H8 b
- }
# \ a- T5 |" y3 p0 f( ] - if (con!=null) {
- D/ U6 s Z `- C( \, \ - try {0 O8 B$ Y- A1 U" a. V, l+ X/ R. O
- con.close();# O" d/ m. l) w5 g' `4 E7 _. _
- } catch (SQLException e) {8 T1 q, E" a* I
- System.out.println("con 关闭出现异常");
* X) z& n' C/ u1 ~& k - e.printStackTrace();
" X# J. q0 I: W4 \/ s5 A. z, q - }4 q9 j& G/ h9 X4 V
- }
8 a4 Q5 R' ]4 s' N7 A5 ~4 x6 ~ - }8 J# ^% }3 m9 ^2 J5 r5 g3 b
- }9 P* n3 \9 D8 P# J
- /**) t4 {% u# j- @
- * 数据的增删改
4 x& O+ s( p8 \3 r2 K - * @return
5 O6 z3 ~: k9 G: C" G - */: G4 M' I3 O) g
- public static int ExecuteUpdate(String sql,String[] getValues)7 r, l& y7 V- {$ \
- {6 ?2 ~$ O* M8 j% u, m
- int i=0;, |: ^1 k9 ?6 Q) W z1 \2 S
- PreparedStatement past=null;: s( i+ O3 P/ s+ c6 S
- Connection con=null;
; D$ z( G0 t4 S* r$ T - //连接数据库
" t I0 f$ t R6 \ f; N% V - con=GetConnection();; H6 o& k4 p% ]) q: G* B2 w
- try {. K% q* d* @& J7 w- s" F4 M- s
- past=con.prepareStatement(sql);# i' F5 i. R3 F0 ^7 f
- if (getValues!=null) {
: m( r- \# f; `/ w8 y - for (int j = 0; j < getValues.length; j++) {2 P0 l6 G7 t* R( V' \9 a
- past.setString(j+1, getValues[j]);7 | W5 x* M# i
- }
) _+ B4 Z6 q# r5 w" ~% d" S' Z - }
- c4 W v' V$ I! v0 n% G& T - i=past.executeUpdate();
+ {8 ^ x* Z8 A+ v - } catch (SQLException e) {& {% j$ ~6 y& L, x1 C
- System.out.println("执行增删改语句发生异常");+ ]( E& f) v6 t9 W
- e.printStackTrace();
* m: u2 a) q8 x% Q9 F* g - }finally{$ c( y N. k# j9 j6 C4 D7 m& h
- CloseAll(con,past,null);
# b% f) U/ g2 \ - }; c6 b) m. E8 r
- return i;
- U! e5 }; A5 I+ d: F -
, R. Q. V @& Z# d: N& e( h - }$ W, D' V( d* q1 Y1 J
- /**7 [# g- C. v7 d) l9 `' K
- * 测试数据库连接
. U$ A9 \; N! H - * @param args
' ?& v9 e/ e9 l - */& N1 @; ~3 F5 ?7 w
- /**
% v0 m0 ?' J. q - * 测试连接
& b" i" X6 u5 B, h5 \ - * @param args
: p1 a. `. J' L* _. R7 L - */3 g- V: r, m& Q0 y& E( e
- public static void main(String[] args) {" ?) y% h o: O" j
- Connection conn=GetConnection();
% S. e1 Z% p: b" a" k0 A/ a - if(conn!=null){
/ W7 x' V4 F! g# i0 _& _% Y# L - System.out.println("连接成功");
% `: h$ S3 K U K* |/ E5 J - }else{* V3 u3 }/ g! T$ F1 A; I' Z# s
- System.out.println("连接失败");
* q" I+ ^6 i3 x" [ - }- g! {2 c/ H7 s$ F3 P1 O0 S
- }5 E; z9 _' y! Y" z. T0 }3 K
-
' ?" `9 M7 a. V9 q6 O: p - }
Q! \& [, x/ Z
复制代码 源码下载地址: 点击下载 提取码 8 ]5 J! V0 j; Z
0 }$ J$ F9 g) o# N w5 Q) N1 c7 t* d9 j2 x# p2 n8 B. e
|
|