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PHP连接MySQL

2010-09-29 08:25 169 查看
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
">

<html xmlns="http://www.w3.org/1999/xhtml
">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>temp</title>

</head>

<body>

<?php

//连接数据库的参数

$host = "localhost";

$user = "root";

$pass = "zq19890319";

$db = "flower";

//创建一个mysql连接

$connection = mysql_connect($host, $user, $pass) or die ("Unable to connect");



//选择一个数据库

mysql_select_db($db) or die("Unable to select database!");



//开始查询

$query = "select *from login";



//执行SQL语句

$result = mysql_query($query) or die("Error in query:$query.".mysql_error());



//显示返回的记录集行数

if(mysql_num_rows($result)>0){

echo "<table cellpadding=10 border=1>";

while($row=mysql_fetch_row($result)){

echo "<tr>";

echo "<td>".$row[0]."</td>";

echo "<td>".$row[1]."</td>";

echo "<td>".$row[2]."</td>";

}

echo "</table>";

}

else{

echo "记录未找到!";}



//释放记录集所占用的内存

mysql_free_result($result);



//关闭该数据库连接

mysql_close($connection);

?>

</body>

</html>
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