package com.tools;
import java.sql.*;
import java.io.*;
import java.util.*;
public class ConnDB {
public Connection conn = null;
public Statement stmt = null;
public ResultSet rs = null;
private static String propFileName = "/com/connDB.properties"; //指定资源文件保存的位置
private static Properties prop = new Properties();
private static String dbClassName =
"com.microsoft.jdbc.sqlserver.SQLServerDriver";
private static String dbUrl =
"jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=db_shop";
private static String dbUser = "sa";
private static String dbPwd = "";
public ConnDB(){
try {
InputStream in=getClass().getResourceAsStream(propFileName);
prop.load(in); //通过输入流对象加载Properties文件
dbClassName = prop.getProperty("DB_CLASS_NAME"); //获取数据库驱动
dbUrl = prop.getProperty("DB_URL",dbUrl);
dbUser=prop.getProperty("DB_USER",dbUser);
dbPwd=prop.getProperty("DB_PWD",dbPwd);
}
catch (Exception e) {
e.printStackTrace(); //输出异常信息
}
}
public static Connection getConnection() {
Connection conn = null;
try {
Class.forName(dbClassName).newInstance();
conn = DriverManager.getConnection(dbUrl, dbUser, dbPwd);
}
catch (Exception ee) {
ee.printStackTrace();
}
if (conn == null) {
System.err.println(
"警告: DbConnectionManager.getConnection() 获得数据库链接失败.\r\n\r\n链接类型:" +
dbClassName + "\r\n链接位置:" + dbUrl + "\r\n用户/密码" + dbUser + "/" +
dbPwd);
}
return conn;
}
/*
*功能:执行查询语句
*/
public ResultSet executeQuery(String sql) {
try {
conn = getConnection();
stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
rs = stmt.executeQuery(sql);
}
catch (SQLException ex) {
System.err.println(ex.getMessage());
}
return rs;
}
/*
*功能:执行更新操作
*/
public int executeUpdate(String sql) {
int result = 0;
try {
conn = getConnection();
stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
result = stmt.executeUpdate(sql);
}catch (SQLException ex) {
result = 0;
}
try {
stmt.close();
}catch (SQLException ex1) {
}
return result;
}
public int executeUpdate_id(String sql) {
int result = 0;
try {
conn = getConnection();
stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
result = stmt.executeUpdate(sql);
String ID = "select @@IDENTITY as id";
rs = stmt.executeQuery(ID);
if (rs.next()) {
int autoID = rs.getInt("id");
result = autoID;
}
}
catch (SQLException ex) {
result = 0;
}
return result;
}
/*
*功能:关闭数据库的连接
*/
public void close() {
try { //捕捉异常
if (rs != null) { //当ResultSet对象的实例rs不为空时
rs.close(); //关闭ResultSet对象
}
if (stmt != null) { //当Statement对象的实例stmt不为空时
stmt.close(); //关闭Statement对象
}
if (conn != null) { //当Connection对象的实例conn不为空时
conn.close(); //关闭Connection对象
}
} catch (Exception e) {
e.printStackTrace(System.err); //输出异常信息
}
}
}
没有合适的资源?快使用搜索试试~ 我知道了~
网上商店源码<适用于毕业设计>
![preview](https://csdnimg.cn/release/downloadcmsfe/public/img/white-bg.ca8570fa.png)
共272个文件
gif:104个
jsp:68个
jpg:43个
![preview-icon](https://csdnimg.cn/release/downloadcmsfe/public/img/scale.ab9e0183.png)
需积分: 9 37 下载量 161 浏览量
2009-03-17
17:05:20
上传
评论
收藏 1.94MB RAR 举报
温馨提示
网络商店源代码的源代码, 硬件平台: CPU:P41.8GHz; 内存:512MB以上。 软件平台: 操作系统:Windows Server 2003; 数据库:SQL Server 2000或MySQL; 开发工具包:JDK Version1.5; JSP服务器:Tomcat 6.0;
资源推荐
资源详情
资源评论
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![rar](https://img-home.csdnimg.cn/images/20210720083606.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![rar](https://img-home.csdnimg.cn/images/20210720083606.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![txt](https://img-home.csdnimg.cn/images/20210720083642.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![pdf](https://img-home.csdnimg.cn/images/20210720083512.png)
收起资源包目录
![package](https://csdnimg.cn/release/downloadcmsfe/public/img/package.f3fc750b.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/BMP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/BMP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/BMP.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/UNKNOWN.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/DOC.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
![file-type](https://csdnimg.cn/release/download/static_files/pc/images/minetype/GIF.png)
共 272 条
- 1
- 2
- 3
资源评论
![avatar-default](https://csdnimg.cn/release/downloadcmsfe/public/img/lazyLogo2.1882d7f4.png)
![avatar](https://profile-avatar.csdnimg.cn/default.jpg!1)
guihaiyixiao
- 粉丝: 0
- 资源: 1
上传资源 快速赚钱
我的内容管理 展开
我的资源 快来上传第一个资源
我的收益
登录查看自己的收益我的积分 登录查看自己的积分
我的C币 登录后查看C币余额
我的收藏
我的下载
下载帮助
![voice](https://csdnimg.cn/release/downloadcmsfe/public/img/voice.245cc511.png)
![center-task](https://csdnimg.cn/release/downloadcmsfe/public/img/center-task.c2eda91a.png)
安全验证
文档复制为VIP权益,开通VIP直接复制
![dialog-icon](https://csdnimg.cn/release/downloadcmsfe/public/img/green-success.6a4acb44.png)