java语言用jdbc操作sql2000数据库
package com.cnnct.jxmz.shsw.hygl.lhdj;
/**
* 本类封装所有对数据库的操作
* @author songxf
* @version 1.0 2008.02
*/
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.sql.*;
import java.util.*;
import com.cnnct.exception.*;
import com.cnnct.util.*;
import com.lbs.sieaf.exception.*;
import com.lbs.sieaf.util.GlobalNames;
public class DB2Util{
private static DB2Util db = null;
private static Connection conn;
private static PreparedStatement pStatement;
// private ResultSet m_rs;
private static String driver_class = null;
private static String url = null;
private static String username = null;
private static String password = null;
public DB2Util(){
try {
Class.forName(driver_class);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
static {
try {
driver_class = GlobalNames.DB_JDBC_DRIVER;
url = GlobalNames.DB_JDBC_URL;
username = GlobalNames.DB_USERNAME;
password = GlobalNames.DB_PASSWORD;
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static DB2Util getInstance() {
if (db == null) {
db = new DB2Util();
}
return db;
}
/**
* This method is used to update the current object in DB
* @see com.lbs.sieaf.dao.DAO#doUpdate(Connection, Object)
* @param conn java.sql.Connection
* @param obj an Object being to update
* @throws SQLException
*/
public void doUpdate( Object obj) throws SQLException {
LhdjDTO dto = (LhdjDTO) obj;
Void uid = new UID();
uid.toString();
StringBuffer sbSQL = new StringBuffer();
sbSQL.append("UPDATE MZ_HY_LHDJ SET ");
sbSQL.append(" XM = ? , ");
try {
conn=DriverManager.getConnection(url, username, password);
pStatement = conn.prepareStatement(sbSQL.toString());
pStatement.clearParameters();
int i = 1;
pStatement.setString(i++, dto.getXm()); try {
pStatement.executeUpdate();
}
catch (SQLException se) {
throw se;
}
}
finally {
close();
sbSQL = null;
}
}
public void doStore( Object obj) throws SQLException {
LhdjDTO dto = (LhdjDTO) obj;
StringBuffer sbSQL = new StringBuffer();
sbSQL.append(" INSERT INTO MZ_HY_LHDJ (");
sbSQL.append(" XM , "); sbSQL.append(" ) VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? ,?,?)");//*******************
try {
conn=DriverManager.getConnection(url, username, password);
pStatement = conn.prepareStatement(sbSQL.toString());
pStatement.clearParameters();
int i = 1;
pStatement.setString(i++, dto.getXm());
try {
pStatement.executeUpdate();
}
catch (SQLException se) {
throw se;
}
}
finally {
close();
sbSQL = null;
}
}
public void doDelete( Object obj) throws SQLException {
LhdjDTO dto = (LhdjDTO) obj;
StringBuffer sbSQL = new StringBuffer();
sbSQL.append(" DELETE FROM MZ_HY_LHDJ ");
sbSQL.append(" WHERE 1= 1");
sbSQL.append(" AND LHDJXH= ? ");
try {
conn=DriverManager.getConnection(url, username, password);
pStatement = conn.prepareStatement(sbSQL.toString());
pStatement.clearParameters();
pStatement.setString(1, dto.getLhdjxh());
try {
pStatement.executeUpdate();
}
catch (SQLException se) {
throw se;
}
}
finally {
close();
sbSQL = null;
}
}
public void close() throws SQLException {
try {
if (pStatement != null)
pStatement.close();
if (conn != null)
conn.close();
} catch (SQLException e) {
throw new SQLException("关闭数据库连接出错！");
}
}
public static void main(String []a){
// String driver="com.microsoft.jdbc.sqlserver.SQLServerDriver";
// String url="jdbc:microsoft:sqlserver://localhost:1433;databasename=tempdb";
// String driver="oracle.jdbc.driver.OracleDriver";
// String url="jdbc:oracle:thin:@172.16.200.3:1521:wxcj";
driver_class = "com.microsoft.jdbc.sqlserver.SQLServerDriver";
url = "jdbc:microsoft:sqlserver://192.168.3.5:1433;databasename=DB_CustomSMS";
Statement m_stmt;
try {
Class.forName(driver_class);
conn = DriverManager.getConnection(url, "CustomSms", "SqlMsde@InfoxEie2000");
m_stmt = conn.createStatement();
m_stmt.execute("select * from tbl_SMReceived");
//m_stmt.executeUpdate("insert into cgsj(content,msisdn,longcode) values('你好,这里是测试','13116769533','19')");
// ResultSet resultSet = m_stmt.executeQuery("select t.*, t.rowid from yw_cjydlrz t where logid>39015");
// if (resultSet != null) {
// List list = new ArrayList();
// ResultSetMetaData resultMetaData = resultSet.getMetaData();
// int fieldCount = resultMetaData.getColumnCount();
// while (resultSet.next()) {
// HashMap hm = new HashMap();
// for (int i = 1; i <= fieldCount; i++) {
// String fieldName = resultMetaData.getColumnName(i);
// Object fieldValue = resultSet.getObject(fieldName);
// if(resultMetaData.getColumnType(i) == Types.VARCHAR && fieldValue == null){
// fieldValue = "";
// }
// if(fieldValue instanceof java.util.Date){
// System.out.println(DateUtil.formatDate((Date)resultSet.getObject(fieldName), ""));
// System.out.println(DateUtil.formatDate((Date)resultSet.getTimestamp(fieldName), ""));
// }
// hm.put(fieldName, fieldValue);
// }
// list.add(hm);
// }
// resultSet.close();
// }
if (m_stmt != null)
m_stmt.close();
if (conn != null)
conn.close();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//m_stmt.executeUpdate(sql);
//close();
}
}