import java.sql.*;
class test 
{
public static void main(String[] args) 
{
java.sql.Connection sqlCon; //数据库连接对象 
java.sql.Statement sqlStmt; //SQL语句对象 
java.sql.ResultSet sqlRst; //结果集对象 
java.lang.String strCon; //数据库连接字符串 
java.lang.String strSQL; //SQL语句 

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); 
strCon = "jdbc:odbc:wind"; 
sqlCon = java.sql.DriverManager.getConnection(strCon,"root","123"); 
sqlStmt = sqlCon.createStatement();
strSQL = "select name,email,body from [Test_DB].[dbo].[guestbook]"; 
sqlRst = sqlStmt.executeQuery(strSQL);
while(sqlRst.next()){
System.out.println(sqlRst.getString(1));
}
}
}

出错信息
E:javatest.java:12: unreported exception java.lang.ClassNotFoundException; must be caught or declared to be thrown
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); 
                     ^
E:javatest.java:14: unreported exception java.sql.SQLException; must be caught or declared to be thrown
sqlCon = java.sql.DriverManager.getConnection(strCon,"root","123"); 
                                               ^
E:javatest.java:15: unreported exception java.sql.SQLException; must be caught or declared to be thrown
sqlStmt = sqlCon.createStatement();
                                ^
E:javatest.java:17: unreported exception java.sql.SQLException; must be caught or declared to be thrown
sqlRst = sqlStmt.executeQuery(strSQL);
                                ^
E:javatest.java:18: unreported exception java.sql.SQLException; must be caught or declared to be thrown
while(sqlRst.next()){
                            ^
E:javatest.java:19: unreported exception java.sql.SQLException; must be caught or declared to be thrown
System.out.println(sqlRst.getString(1));
                                                 ^
6 errors
输出完成 (耗时 1 秒) - 正常终止

try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

strCon = "jdbc:odbc:wind"; 

sqlCon = java.sql.DriverManager.getConnection(strCon,"root","123");

sqlStmt = sqlCon.createStatement();
strSQL = "select name,email,body from [Test_DB].[dbo].[guestbook]"; 
sqlRst = sqlStmt.executeQuery(strSQL);
while(sqlRst.next()){
System.out.println(sqlRst.getString(1));
}
} catch (ClassNotFoundException e) {
} catch (SQLException e) {
}