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<title>新時(shí)代軟件教程:操作系統(tǒng) 主頁(yè)制作 服務(wù)器 設(shè)計(jì)軟件 網(wǎng)絡(luò)技術(shù) 編程語(yǔ)言 文字編輯</title>
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<p align="center"><script src="../../1.js"></script></a>
<p align="center"><big><strong>一個(gè)連接數(shù)據(jù)庫(kù)的bean</strong></big></p>
<div align="right">---摘自互聯(lián)網(wǎng)</div>
<br>// substitute your own class path<br>
package com.jspcafe.beans;<br>
<br>
// standard classes to import when using jdbc<br>
import java.sql.*;<br>
import java.io.*;<br>
<br>
public class OdbcBean {<br>
<br>
// db is our connection object<br>
Connection db = null;<br>
<br>
// stmt will hold our jdbc statements<br>
// i.e. sql and stored procedures<br>
Statement stmt = null;<br>
<br>
// result will hold the recordset<br>
ResultSet result = null;<br>
<br>
// default constructor<br>
public OdbcBean() {<br>
}<br>
<br>
/*********************************************<br>
* @dsn String for ODBC Datasource name<br>
* @uid String for ODBC Datasource user name<br>
* @pwn String for ODBC Datasource password<br>
*/<br>
public void OpenConn(<br>
String dsn, <br>
String uid, <br>
String pwd) throws Exception {<br>
<br>
try {<br>
dsn = "jdbc:odbc:" + dsn;<br>
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");<br>
db = DriverManager.getConnection(dsn, uid, pwd);<br>
} catch (Exception e) {<br>
e.printStackTrace();<br>
}<br>
}<br>
<br>
<br>
/*********************************************<br>
* @sproc String for sql statement or stored<br>
* procedure<br>
*/<br>
public ResultSet getResults(String sproc) <br>
throws Exception {<br>
<br>
stmt = db.createStatement();<br>
result = stmt.executeQuery(sproc);<br>
return result;<br>
}<br>
<br>
/*********************************************<br>
* @sproc String for sql statement or stored<br>
* procedure<br>
*/<br>
public void execute(String sproc) <br>
throws Exception {<br>
<br>
stmt = db.createStatement();<br>
stmt.execute(sproc);<br>
}<br>
<br>
// Don't forget to clean up!<br>
public void CloseStmt() <br>
throws Exception {<br>
<br>
stmt.close();<br>
stmt = null;<br>
}<br>
<br>
// Don't forget to clean up!<br>
public void CloseConn() <br>
throws Exception {<br>
<br>
db.close();<br>
db = null;<br>
}<br>
<br>
}
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