//连接
String connString = "jdbc:jtds:sqlserver://localhost:1433;DatabaseName=test;";
String userString = "sa";
String passwordString = "123456";
try {
Class.forName("net.sourceforge.jtds.jdbc.Driver").newInstance();
theConnection = DriverManager.getConnection(connString, userString,
passwordString);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
//查询
String sqlString = "select * from dbo.tbl";
try {
Statement statement = theConnection.createStatement();
ResultSet resultSet = statement.executeQuery(sqlString);
if (resultSet != null) {
while (resultSet.next()) {
//进行数据操作
String var1 = resultSet.getString(1);
String var2 = resultSet.getString(2); }
resultSet.close();
statement.close();
}
} catch (SQLException e) {
e.printStackTrace();
} catch (ParseException e) {
e.printStackTrace();
} catch (ProductionException e) {
e.printStackTrace();
}
//sqlserver的必要设置,实例为AA
1.打开SQL Server Configuration Manager -> AA的协议 -> TCP/IP
2.右键单击启动TCP/IP,如果没有启动的话
3.双击这个TCP/IP进入属性,把IP地址中的IPAll中的TCP端口设置为1433
4.重新启动AA服务器
如果连接还有问题就将其他一些服务都重启一次