Maison > Article > développement back-end > php与Mysql之间的关系以及一些简单的操作,phpmysql关系_PHP教程
先贴代码
<html> <head> <title>数据库相关</title> </head> <body> <?<span>php </span><span>$con</span> = <span>mysql_connect</span>("localhost","root","root"); <span>//</span><span>链接数据库</span> <span>if</span>(!<span>$con</span><span>){ </span><span>die</span>('连接失败!' . <span>mysql_error</span>()); <span>//</span><span>判断是否成功</span> <span> } </span><span>/*</span><span> if(mysql_query("CREATE DATABASE testdb",$con)){ //通过mysql_query 查询或者发送命令 echo "创建testdb成功"; } else{ echo "失败原因:" . mysql_error(); //判断是否创建成功 } </span><span>*/</span> <span>mysql_select_db</span>("testdb",<span>$con</span>); <span>//</span><span>选择链接刚刚创建的数据库</span> <span>$sql</span> = "<span>CREATE TABLE Persons (personID int NOT NULL AUTO_INCREMENT, PRIMARY KEY(personID), FirstName varchar(15), LastName varchar(15), Age int) </span>"; <span>//</span><span>Mysql 语句 创建表</span> <span>mysql_query</span>(<span>$sql</span>,<span>$con</span>); <span>//</span><span>执行sql语句</span> <span>mysql_close</span>(<span>$con</span>); <span>//</span><span>关闭mysql连接</span> ?> </body> </html>
关键内容在于
1、链接数据库
2、创建表
3、根据需求充实表内容