就那些熟悉做网站的人而言, 若想把网站做成动态的, 必然得有数据库加以支持, 借助特定的脚本去跟数据库相连, 接着从数据库里提取资料, 再往数据库里添加资料, 还要对资料库进行删除资料的操作等。在此, 我借由一个实例来讲明怎样运用php去连接到数据库的。我打算着手去构建一个处于简单状态的通讯录, 其数据库所拥有的名字是txl, 这个数据库仅仅存在着一个被称作表的对象, 在该表之中有着5个字段。pi_id首先我们要创建数据库txl;然后我们建立表TABLE (pi_id (20) NOT NULL , (50) NOT NULL, (15) NULL,pi_qq (15) NULL, (50) NULL,KEY (pi_id)) utf8 4 ;上面的sql语句很简单通过字面都能猜出什么意思。下面是连接到数据库并且显示表的所有字段信息// .phpphp$mysql_server_namelocalhost;//数据库服务器名称$mysql_usernameroot;//连接数据库用户名$mysql_passwordroot;//连接数据库密码$mysql_databaselxr;//数据库的名字 // 连接到数据库$connmysql_connect($mysql_server_name,$mysql_username,$mysql_password);//从表中提取信息的sql语句$strsqlselect * from personal_info;//执行sql查询$resultmysql_db_query($mysql_database,$strsql,$conn);//获取查询结果$rowmysql_fetch_row($result);echo;echo[PROTECTED_3a1ba65fb5bfbce73bdbf075b9a284ff]/n;echo;//释放资源 hovertree.commysql_free_result($result);//关闭连接mysql_close();?下面是运行结果pi_id12 Lisi3虽说“万变不离其宗”, 可再繁杂的操作, 皆是依据上面而来的, 都离不开上面那些基本的步骤, 一旦有需要, 去查阅一下相关的手册, 便可将其解决。附参考代码插入操作phpif(!isset($_POST[submit])){//如果没有表单提交显示一个表单?动物名称英文动物名称中文php } else { //如果提交了表单 hovertree.com //数据库连接参数 $host localhost; $user root; $pass zq19890319; $db phpdev; //取得表单中的值检查表单中的值是否符合标准并做适当转义防止SQL注入 $country empty($_POST[country])? die(请输入名称): mysql_escape_string($_POST[country]); $animal empty($_POST[animal])? die(请输入英文名): mysql_escape_string($_POST[animal]); $cname empty($_POST[cname])? die(请输入中文名): mysql_escape_string($_POST[cname]); //打开数据库连接 何问起 $connection mysql_connect($host, $user, $pass) or die(Unable to connect!); //选择数据库 mysql_select_db($db) or die(Unable to select database!); //构造一个SQL查询 $query INSERT INTO symbols(country, animal, cname) VALUE($country, $animal, $cname); //执行该查询 $result mysql_query($query) or die(Error in query: $query. .mysql_error()); //插入操作成功后显示插入记录的记录号 echo 记录已经插入 mysql_insert_id() .mysql_insert_id(); //关闭当前数据库连接 mysql_close($connection); } 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