jsp网页制作连接数据库java代码

}
}
public void closeStmt(){
try{
stmt.close();
}
catch(SQLException e){
e.printStackTrace();
}
}
public void closeConn(){
try{
conn.close();
}
catch(SQLException e){
private Statement stmt = null;
ResultSet rs = null;
public类名() {
try {
Class.forName(sDBDriver);
}
catch(java.lang.ClassNotFoundException e) {
System.err.println("类名(): " + e.getMessage());
}
catch(SQLException ex) {
System.err.println("aq.executeQuery: " + ex.getMessage());
}
return rs;
}
public void executeUpdate(String sql) {
try {
conn = DriverManager.getConnection(sConnStr);
stmt = conn.createStatement();
stmt.executeQuery(sql);
stmt.close();
conn.close();
}
catch(SQLException ex) {
System.err.println("aq.executeQuery: " + ex.getMessage());
package包名;
import java.sql.*;
public class类名{
String sDBDriver = "sun.jdbc.odbc.JdbcOdbcDriver";
String sConnStr = "jdbc:odbc:数据源名";
private Connection conn = null;
}
}
public ResultSet executeQuery(String sql) {
try {
conn = DriverManager.getConnection(sConnStr);
stmt = conn.createStatement();
rs = stmt.executeQuery(sql);
e.printStackTrace();
}Βιβλιοθήκη Baidu
}
}