PHP regular method to obtain the top 500 Baidu music rankings

This article introduces how to use php regular expressions to obtain the top500 data of Baidu music rankings and display it on our own web page.

The code has been successfully debugged by me and can be used as a reference

The code is as follows:

取百度音乐排行榜top500 
<title>百度音乐top500</title>
<style>
body{
font-size:12px;
font-family:Verdana, Arial, Helvetica, sans-serif;
}
ul{
clear:both;
padding:0;
margin:0;
list-style:none;
}
#inner{
width:960px;
margin-left:auto;
margin-right:auto;
text-align:center;
}
#tableFrame{
width:960px; /*需要修改*/
border-top:#000 1px solid;
border-left:#000 1px solid;
font-size:12px;
}
#tableFrame:after {
content: "."; 
display: block;
height: 0; 
clear: both; 
visibility: hidden;
}
li{
float:left;
display: block;
width:190px; /*需要修改*/
height:41;
padding:2px;
margin:0;
border-right:#000 1px solid;
border-bottom:#000 1px solid;
line-height:16px;
color:000;
overflow:scroll;
}
/* 表格标题*/
#tableFrameTitle ul{}
#tableFrameTitle ul li{
background:gray; 
text-align:center;
color:#fff;
}
/* 表格内容*/
#tableCase ul{}
#tableCase ul li{}
/* 单个表格特定样式*/
.tableCaseThree{color:#329A02;}
.tableCaseFive{color:#f00;}
.tableCaseSeven{color:#f00;}
</style>
<p id=inner>
<p id="tableFrame">
    <p id="tableFrameTitle">
        <ul>
            <li>排名</li>
            <li>歌名</li>
            <li>排名变化趋势</li>
            <li>红雨</li>
            <li>RedRain</li>
        </ul>
    </p>
    <p id="tableCase">
<ul>
<?php
$contents=file_get_contents("http://music.baidu.com/top/dayhot");
$pattern="{<[^>]+song-title[^>]+><a href=\"(.*)\" title=\"(.*)\">}U";
preg_match_all($pattern,$contents,$out,PREG_PATTERN_ORDER);
$pattern1="{[1-9][0-9]{0,2}.*<i class=\"(.*)\"></i>}U";
preg_match_all($pattern1,$contents,$out1,PREG_PATTERN_ORDER);
$c=0;
for($i=0;$i<500;$i++){
if($c==5){
$c=1;
?>
</ul><ul>
<?php
}else{
$c++;
}
$get=$out[1][$i];
$get1=$out[2][$i];
$get2=$out1[1][$i];
echo "<li>".iconv("utf-8","gb2312",($i+1).".<a href=&#39;http://music.baidu.com$get&#39; target=&#39;_blank&#39;>".$get1."</a><img src=&#39;../$get2.jpg&#39;>")."</li>";
}
?>
</ul>
</p>
</p>
</p>

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