import java.sql.*;
public class ConnDB {
private Connection ct = null;
public static void main(String args[]){
ConnDB cdb = new ConnDB();
System.out.println(cdb.getConn());
}
public Connection getConn()
{
try{
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
Connection ct = DriverManager.getConnection("jdbc:sqlserver://127.0.0.1:1433;DatabaseName=spdb1","sa","123456");
System.out.println(ct);
}catch(Exception e)
{
e.printStackTrace();
}
return ct;
}
}
代码如上,最后得到的ct值为null,一直找不到原因,请各位帮忙解释下