PHP ADOdb、PDO、ODBC连接Access数据库代码教程
在PHP网站开发中,PHP与Mysql是最好的组合,但是当你想将其他平台的网站移植到PHP平台时,必然遇到移植性的问题,如ASP+ACCESS平台如何移植?首当其冲便是PHP连接Access数据库问题,在不改变数据库的情况下,PHP如何与Access数据库建立连接?
PHP提供多种连接数据库解决方案,在此详解如何使用PHP ADOdb、PDO、ODBC与Access数据库建立连接的代码实例,作为抛砖引玉。
准备工作
使用OFFICE工具建立Access数据库文件
一、使用PHP ADOdb连接Access数据库
1、首先你需要安装PHP ADOdb类库。
2、使用PHP ADOdb连接Access数据库代码如下
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说明:与使用PHP ADOdb与Mysql数据库建立连接类似,首先把ADOdb类库包含进来,然后调用ADONewConnection、Connect、Execute与Access数据库建立连接并执行查询操作。
二、使用PHP PDO连接Access数据库
PDO功能需PHP5以上支持,在使用PDO之前你必须确保安装了PDO功能,如何配置安装PDO呢?
只要在PHP.INI配置文件中找到extension_dir,使之指向扩展库目录地址,同时去除你想要使用的PDO驱动DLL之前的分号(;),重启Apache,PDO就算安装好了。这里由于我们使用PDO连接Access数据库,所以至少确保php_pdo.dll,php_pdo_odbc.dll能支持。
使用PDO连接Access数据库代码实例
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说明:首先初始化PDO对象,建立PHP与Access数据库之间的连接,然后通过PDO query函数执行查询操作。
三、使用ODBC连接Access数据库
使用ODBC连接Access数据库代码实例
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说明:首先使用odbc_connect连接access数据库,前三个参数分别为:$DSN,数据库用户名,密码,第四个参数设置为SQL_CUR_USE_ODBC主要是为了避免连接Access数据库发生意外错误;然后使用odbc_do执行查询操作,并调用odbc_fetch_row、odbc_result输出查询内容,最后使用odbc_close关闭Access数据库连接。
至此使用PHP ADOdb、PDO、ODBC连接Access数据库并进行操作的代码实例就介绍完了,通过上述实例,我们可以看到其实PHP连接Access数据库的方法大同小异,使用哪种方法取决于PHP环境的配置情况。
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