php连接mssql数据库 初学php笔记
代码
php
$serverSite = " . " ;
$db = " phpdemo " ;
$name = " sa " ;
$pass = " sa " ;
$conn = @mssql_connect( $serverSite , $name , $pass ) or die ( " 数据库连接错误! " );
@mssql_select_db( " phpdemo " , $conn );
echo ' this can be use! ' ;
$ok = @mssql_query( " insert into test (name)values('ossem') " , $conn );
echo ' this database is : ' . $conn ;
if ( $ok )
{
echo " ok " ;
} else
{
echo " false " ;
}
?>
如果实现了PHP和MySQL链接了,PHP和MSSQL的链接其实很简单;
支持MSSQL的本地链接和远程链接,以本地链接为例:
机 器上安装了MS SQLServer 2005;
连接前配置系统:
1.检查文件 php5.2.5\ntwdblib.dll 默认下面有一个,不能连接再替换.
下载正确版本的 ntwdblib.dll (2000.80.194.0),地址: http://webzila.com/dll/1/ntwdblib.zip
2.配置php
a、打开php.in将 extension=php_mssql.dll的注释符号去掉。
b、打开php.in将mssql.secure_connection = Off改为on。
c、将php_mssql.dll拷贝到php.in中extension_dir 指定的目录或者系统system32目录下。(php_mssql.dll在php的压缩安装包中有)。
以上步骤完成后需要重启apache。
注意:实际使用中发现 如果通过php压缩文件手工安装php到iis下,必须重启机器而不仅仅是iis。
3.配置 sqlserver
a. 运行 SQL Server 配置管理器:SQL Server Configuration Manager,打开协议 Protocols
b. 允许命名管道 "named pipes" 和 "tcp/ip"
c. 右键点击 "tcp/ip",打开属性 Properties 标签 "IP addresses"
d. 在 TCP 动态端口 "TCP Dynamic Ports" 填入 1433
e. 重启 SQL Server
-------------------------------------------------- ---------------------------------------------
4.使用以下方式连接MS SQL Server 2005:
代码如下:
//链接数据库
$conn=mssql_connect('localhost','sa','123456');
mssql_select_db('gu_dde',$conn);
//query语句
$Query="select * from dde_top";
$AdminResult=mssql_query($Query);
//输出结果
$Num=mssql_num_rows($AdminResult);
for($i=0;$i{
$Row=mssql_fetch_array($AdminResult);
echo($Row[1]);
echo("
");
}
?>
可 以看到这些函数和MySQL的函数都是对应的使用起来很方便!
-------------------------------------------------- ---------------------
5.FAQ常见问题:
1报错:
Fatal error: Call to undefined function mssql_connect()
解决:
使用MSSQL_系列函数
要使用这两种都 需要在php.ini进行设定:
(1)允许 DCOM,需要将php.ini中的 ;com.allow_dcom=TRUE前的分号";"去掉。
(2)使用MSSQL扩展,需要php.ini中的 ;extension=php_mssql.dll前的分号";"去掉。(关键)
(3)确认extension_dir为正确路径,以本机为 例:extension_dir = "c:\AppServ\php5\ext"。
(4)如果仍然机器报错说找不到c:\AppServ \php5\ext\php_mssql.dll但明明存在这个文件。
解决方法:将php_mssql.dll,ntwdblib.dll拷 贝到系统目录\system32下重启测试。。
(注:上面两个dll文件不在相同目录下,我的为c:\AppServ\php5\ext \php_mssql.dll;c:\AppServ\php5\ntwdblib.dll)
另外设置好了后记得重启服务器哦。
6. 其他问题:
如果php apache Sql Server2000都在同一台机器上,访问基本没有问题了。
如果Sql Server2000和php机器是分离的,需要确认ping sqlserver所在机器的机器名能通,如过不通,修改php所在机器的\system32\drivers\etc下的hosts文件,增加一行 sqlserver所在机器的机器ip sqlserver所在机器的机器名字。
如果还是无法访问,需要确认php所在的机器有无暗转 mdac。要不索性安装一下sqlserver的客户端好了。
本文来自CSDN博客,转载请标明出 处:http://blog.csdn.net/gumanren/archive/2009/10/14/4 672966.aspx

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