try {
    Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
    System.out.println("加载:com.microsoft.sqlserver.jdbc.SQLServerDriver");
} catch (ClassNotFoundException e) {
    e.printStackTrace();
}
Connection conn = null;
Statement st = null;
ResultSet rs = null;
try {
    System.out.println("获取连接...");
    conn = DriverManager.getConnection("jdbc:sqlserver://localhost:1533;databaseName=test", "sa", "admini");
    System.out.println("连接获取完毕");
    st = conn.createStatement();
    System.out.println("st");
    rs = st.executeQuery("select id from test");
    System.out.println(rs);
    while(rs.next()){
        System.out.println(rs.getString("id"));
    }
} catch (SQLException e) {
    e.printStackTrace();
}finally{
    try {
        rs.close();
        st.close();
        conn.close();
    } catch (SQLException e) {
        e.printStackTrace();
    }
}