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php 连接数据库并显示所要的数据

WBOY
Release: 2016-05-24 13:25:31
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这是一篇php入门教程,讲得就是关于php 连接数据库并显示所要的数据,也就是简单的php+mysql数据库在web网页上的应用实例了,代码如下:

<?php
$Host = "localhost";
$MySQL_UserName = "root";
$MySQL_UserPass = "password";
$MySQL_Database = "db";
$Query = "SELECT * FROM domain";
if (!mysql_connect($Host, $MySQL_UserName, $MySQL_UserPass)) { //开源代码phprm.com
    print "Cannot connect to MySQL: " . mysql_error();
    exit;
}
if (!mysql_select_db($MySQL_Database)) {
    print "Cannot select db<BR>";
    exit;
}
if (!$Result_ID = mysql_query($Query)) {
    print "Query Error: " . mysql_error();
    exit;
}
while ($Result = mysql_fetch_row($Result_ID)) {
    print "------------------<BR>";
    print "$Result[0]<BR>";
    print "$Result[1]<BR>";
    print "$Result[2]<BR>";
    print "$Result[3]<BR>";
    print "-------------------<BR>";
}
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