Java连接SQL server

//加载驱动
 Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
 url = "jdbc:sqlserver://" + SsqlBean.getSQLIP() + ";DatabaseName=" + SsqlBean.getSQLDataBase();
//创建数据库连接对象
 Connection conn = DriverManager.getConnection(url, SsqlBean.getSQLUserName(), SsqlBean.getSQLPassword());    
 String sql="insert into SKUbus(WarehouseCode,ClientCode,ClientRefNo,SKUNo) "
                              + "values(?,?,?,?)";
//创建预编译的数据库操作对象：PreparedStatement
 PreparedStatement pre=conn.prepareStatement(sql);
 pre.setQueryTimeout(60);
 //WarehouseCode
 pre.setString(1, listBean.get(i).getStr_warehouseCode());
 //ClientCode
 pre.setString(2, ClientCode[j]);
 //ClientRefNo
 pre.setString(3, listBean.get(i).getStr_RefNoDate());
 //SKUNo
 pre.setString(4, listBean.get(i).getStr_itemCode());
 //执行
 pre.executeUpdate();