连接 sql server 2000
下载了 jtds-0.6.jar
在G:\JAVA5\lib中拷贝了jtds-0.6.jar, 并在classpath中添加了jtds-0.6.jar
机器重起过了以下代码执行后便跳出异常 SomeThing wrong
java.lang.ClassNotFoundException: net.sourceforge.jtds.jdbc.Driver代码 ;
public static void main(String[] args) {
// TODO Auto-generated method stub
String url="JDBC:jtds:sqlserver://localhost:1433/'NorthWind'";
String driver="net.sourceforge.jtds.jdbc.Driver";
try {
Class.forName(driver);
Connection conn=DriverManager.getConnection(url,"sa","");
if (conn.isClosed()== true)
System.out.println("SomeThing goes wrong");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
System.out.println("SomeThing wrong");
System.out.println(e);
//e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}请问是什么原因 ? 谢谢
下载了 jtds-0.6.jar
在G:\JAVA5\lib中拷贝了jtds-0.6.jar, 并在classpath中添加了jtds-0.6.jar
机器重起过了以下代码执行后便跳出异常 SomeThing wrong
java.lang.ClassNotFoundException: net.sourceforge.jtds.jdbc.Driver代码 ;
public static void main(String[] args) {
// TODO Auto-generated method stub
String url="JDBC:jtds:sqlserver://localhost:1433/'NorthWind'";
String driver="net.sourceforge.jtds.jdbc.Driver";
try {
Class.forName(driver);
Connection conn=DriverManager.getConnection(url,"sa","");
if (conn.isClosed()== true)
System.out.println("SomeThing goes wrong");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
System.out.println("SomeThing wrong");
System.out.println(e);
//e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}请问是什么原因 ? 谢谢
是否还要improt这个包?
那一般的连sql server 的方法是怎样的呢?
import java.sql.*;
import net.sourceforge.jtds.jdbc.Driver.*; public class test {
public static void main(String[] args) {
// TODO Auto-generated method stub
String url="JDBC:jtds:sqlserver://localhost:1433;DatabaseName=northwind";
String driver="net.sourceforge.jtds.jdbc.Driver";
try {
DriverManager.registerDriver(new net.sourceforge.jtds.jdbc.Driver() );
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
Object o=Class.forName(driver).newInstance();
Connection conn;
if (o!=null){
conn=DriverManager.getConnection(
"JDBC:jtds:sqlserver://localhost:1433;DatabaseName=northwind","sa","");
if (conn.isClosed()== true)
System.out.println("SomeThing goes wrong");
}
} catch (InstantiationException e) {
System.out.println(e);
e.getStackTrace();
} catch (IllegalAccessException e) {
System.out.println(e);
e.getStackTrace();
} catch (ClassNotFoundException e) {
System.out.println(e);
e.getStackTrace();
} catch (SQLException e) {
System.out.println(e);
e.getStackTrace();
}
}}
编译通过 但执行出错:
java.sql.SQLException: No suitable driver found for JDBC:jtds:sqlserver://localhost:1433;DatabaseName=northwind出错语句是
conn=DriverManager.getConnection( "JDBC:jtds:sqlserver://localhost:1433;DatabaseName=northwind","sa","");想不出究竟是怎么错了 还请各位帮忙 谢谢了
"jdbc:jtds:sqlserver://localhost:1433;DatabaseName=northwind"应该就可以了