<?php
$con = mysql_connect("localhost","peter","abc123");
//连接数据库
if (!$con) { die('Could not connect: ' . mysql_error()); }
//如果连接不成功,提示错误
mysql_select_db("my_db", $con);
//不懂
mysql_query("INSERT INTO Persons (FirstName, LastName, Age) VALUES ('Peter', 'Griffin', '35')");
//不懂请注释
mysql_query("INSERT INTO Persons (FirstName, LastName, Age) VALUES ('Glenn', 'Quagmire', '33')"); mysql_close($con);
//不懂
?>
请在//之后写上注释,帮我理解
$con = mysql_connect("localhost","peter","abc123");
//连接数据库
if (!$con) { die('Could not connect: ' . mysql_error()); }
//如果连接不成功,提示错误
mysql_select_db("my_db", $con);
//不懂
mysql_query("INSERT INTO Persons (FirstName, LastName, Age) VALUES ('Peter', 'Griffin', '35')");
//不懂请注释
mysql_query("INSERT INTO Persons (FirstName, LastName, Age) VALUES ('Glenn', 'Quagmire', '33')"); mysql_close($con);
//不懂
?>
请在//之后写上注释,帮我理解