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正则表达式 - 如何用 php 抓取微信文章正文?

WBOY
WBOYOriginal
2016-06-06 20:32:371284browse

我是一个新手,想使用php抓取微信页面的正文和标题,标题直接用正则表达式|<title>(.*?)|i</title>就抓取到了,但是正文我想的是|>(.*?)匹配标签间的内容,再去掉空格,但是还是会匹配到一堆标签,是怎么回事?或者说有其他更好的方法吗?求指教!

http://mp.weixin.qq.com/s?__biz=MzA5NTQ2NjUzMA==&mid=207136729&...

这是一般的微信文章内容链接

下面是这链接的页面代码

<code><br>             <script type="text/javascript">
    var sampling = Math.random() < 0.001;
    var page_begintime = (+new Date());
    (sampling) && ((new Image()).src = "http://isdspeed.qq.com/cgi-bin/r.cgi?flag1=7839&flag2=7&flag3=8&15=1000&r=" + Math.random());

    var biz = "MzA5NTQ2NjUzMA==";
    var sn = "a82af7b7ba0bee9a7017b607dc7e5d4b" || "";
    var mid = "207136729" || "";
    var idx = "1" || "" ;

    //辟谣需求
    var is_rumor = ""*1;
    var norumor = ""*1;
    if (!!is_rumor&&!norumor){
      if (!document.referrer || document.referrer.indexOf("mp.weixin.qq.com/mp/rumor") == -1){
        location.href = "http://mp.weixin.qq.com/mp/rumor?action=info&__biz=" + biz + "&mid=" + mid + "&idx=" + idx + "&sn=" + sn + "#wechat_redirect";
      }
    }

    //原创需求,需要跳转到中间页
    /*
    var copyrightInfo = {
        display_source : ""*1,
        nocopyrightsource : ""*1
    };
    if (!!copyrightInfo.display_source&&!copyrightInfo.nocopyrightsource){
      if (!document.referrer || document.referrer.indexOf("mp.weixin.qq.com/mp/reprint") == -1){
        location.href = "http://mp.weixin.qq.com/mp/reprint?action=info&__biz=" + biz + "&mid=" + mid + "&idx=" + idx + "&sn=" + sn + "#wechat_redirect";
      }
    }*/
</script>        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="dns-prefetch" href="//res.wx.qq.com">
<link rel="dns-prefetch" href="//mmbiz.qpic.cn">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0">
<link rel="shortcut icon" type="image/x-icon" href="http://res.wx.qq.com/mmbizwap/zh_CN/htmledition/images/icon/common/favicon22c41b.ico">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="format-detection" content="telephone=no">
<script type="text/javascript">
    var uin = "";
    var key = "";
    var pass_ticket = "";

String.prototype.html= function(encode) {
    var replace =["&#39;", "'", """, '"', " ", " ", ">", ">", "<", "<", "&", "&", "&yen;", "¥"];
    //console.log(replace);
    if(encode){
        replace.reverse();
    }
    for (var i=0,str=this;i< replace.length;i+= 2){
         str=str.replace(new RegExp(replace[i],'g'),replace[i+1]);
    }

    return str;
};
pass_ticket = encodeURIComponent(pass_ticket.html(false).html(false).replace(/\s/g,"+"));
</script>        <title>Living Music校园歌唱大赛半决赛距离开赛还有???</title>        <link rel="stylesheet" type="text/css" href="http://res.wx.qq.com/mmbizwap/zh_CN/htmledition/style/page/appmsg/page_mp_article_improve251980.css"><style>         </style><!--[if lt IE 9]><link rel="stylesheet" type="text/css" href="http://res.wx.qq.com/mmbizwap/zh_CN/htmledition/style/page/appmsg/page_mp_article_improve_pc25624b.css"><![endif]--><script type="text/javascript">
    document.domain = "qq.com";
</script>    </head>    <body id="activity-detail" class="zh_CN mm_appmsg" ontouchstart="">            <script type="text/javascript">
        var write_sceen_time = (+new Date());
        (sampling) && ((new Image()).src = "http://isdspeed.qq.com/cgi-bin/r.cgi?flag1=7839&flag2=7&flag3=8&16=1000&r=" + Math.random());
    </script>        <div id="js_cmt_mine" class="discuss_container editing access" style="display:none;">        <div class="discuss_container_inner">            <h2 class="rich_media_title">Living Music校园歌唱大赛半决赛距离开赛还有???</h2>            <div class="frm_textarea_box_wrp">                <span class="frm_textarea_box">                    <textarea id="js_cmt_input" class="frm_textarea" placeholder="评论将由公众帐号筛选后显示,对所有人可见。"></textarea>                </span>            </div>            <div class="discuss_btn_wrp"><a id="js_cmt_submit" class="btn btn_primary btn_discuss btn_disabled" href="javascript:;">提交</a></div>            <div class="discuss_list_wrp" style="display:none">                <div class="rich_tips with_line title_tips discuss_title_line">                    <span class="tips">我的评论</span>                </div>                <ul class="discuss_list" id="js_cmt_mylist"></ul>            </div>            <div class="rich_tips tips_global loading_tips" id="js_mycmt_loading"> 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      var aid = "";
      var appuin = "MzA5NTQ2NjUzMA==";

      var source = "5";
      var scene = 75;
      
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      var nickname = "gzgsytw";
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      var msg_desc = "Living Music校园歌唱大赛半决赛距离开赛还有???精彩绝伦的复赛没有来观看?没关系!30进15的淘";
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</code>

回复内容:

我是一个新手,想使用php抓取微信页面的正文和标题,标题直接用正则表达式|<title>(.*?)<\/title>|i就抓取到了,但是正文我想的是|>(.*?)<\/|i匹配标签间的内容,再去掉空格,但是还是会匹配到一堆标签,是怎么回事?或者说有其他更好的方法吗?求指教!

http://mp.weixin.qq.com/s?__biz=MzA5NTQ2NjUzMA==&mid=207136729&...

这是一般的微信文章内容链接

下面是这链接的页面代码

<code><br><!DOCTYPE html><html>    <head>         <script type="text/javascript">
    var sampling = Math.random() < 0.001;
    var page_begintime = (+new Date());
    (sampling) && ((new Image()).src = "http://isdspeed.qq.com/cgi-bin/r.cgi?flag1=7839&flag2=7&flag3=8&15=1000&r=" + Math.random());

    var biz = "MzA5NTQ2NjUzMA==";
    var sn = "a82af7b7ba0bee9a7017b607dc7e5d4b" || "";
    var mid = "207136729" || "";
    var idx = "1" || "" ;

    //辟谣需求
    var is_rumor = ""*1;
    var norumor = ""*1;
    if (!!is_rumor&&!norumor){
      if (!document.referrer || document.referrer.indexOf("mp.weixin.qq.com/mp/rumor") == -1){
        location.href = "http://mp.weixin.qq.com/mp/rumor?action=info&__biz=" + biz + "&mid=" + mid + "&idx=" + idx + "&sn=" + sn + "#wechat_redirect";
      }
    }

    //原创需求,需要跳转到中间页
    /*
    var copyrightInfo = {
        display_source : ""*1,
        nocopyrightsource : ""*1
    };
    if (!!copyrightInfo.display_source&&!copyrightInfo.nocopyrightsource){
      if (!document.referrer || document.referrer.indexOf("mp.weixin.qq.com/mp/reprint") == -1){
        location.href = "http://mp.weixin.qq.com/mp/reprint?action=info&__biz=" + biz + "&mid=" + mid + "&idx=" + idx + "&sn=" + sn + "#wechat_redirect";
      }
    }*/
</script>        <meta http-equiv="Content-Type" content="text/html; charset=utf-8"><link rel="dns-prefetch" href="//res.wx.qq.com"><link rel="dns-prefetch" href="//mmbiz.qpic.cn"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0" /><link rel="shortcut icon" type="image/x-icon" href="http://res.wx.qq.com/mmbizwap/zh_CN/htmledition/images/icon/common/favicon22c41b.ico"><meta name="apple-mobile-web-app-capable" content="yes"><meta name="apple-mobile-web-app-status-bar-style" content="black"><meta name="format-detection" content="telephone=no"><script type="text/javascript">
    var uin = "";
    var key = "";
    var pass_ticket = "";

String.prototype.html= function(encode) {
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    //console.log(replace);
    if(encode){
        replace.reverse();
    }
    for (var i=0,str=this;i< replace.length;i+= 2){
         str=str.replace(new RegExp(replace[i],'g'),replace[i+1]);
    }

    return str;
};
pass_ticket = encodeURIComponent(pass_ticket.html(false).html(false).replace(/\s/g,"+"));
</script>        <title>Living Music校园歌唱大赛半决赛距离开赛还有???</title>        <link rel="stylesheet" type="text/css" href="http://res.wx.qq.com/mmbizwap/zh_CN/htmledition/style/page/appmsg/page_mp_article_improve251980.css">
<style>         </style>
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    document.domain = "qq.com";
</script>                    <script type="text/javascript">
        var write_sceen_time = (+new Date());
        (sampling) && ((new Image()).src = "http://isdspeed.qq.com/cgi-bin/r.cgi?flag1=7839&flag2=7&flag3=8&16=1000&r=" + Math.random());
    </script>        <div id="js_cmt_mine" class="discuss_container editing access" style="display:none;">        <div class="discuss_container_inner">            <h2 class="rich_media_title">Living Music校园歌唱大赛半决赛距离开赛还有???</h2>            <div class="frm_textarea_box_wrp">                <span class="frm_textarea_box">                    <textarea id="js_cmt_input" class="frm_textarea" placeholder="评论将由公众帐号筛选后显示,对所有人可见。"></textarea>                </span>            </div>            <div class="discuss_btn_wrp"><a id="js_cmt_submit" class="btn btn_primary btn_discuss btn_disabled" href="javascript:;">提交</a></div>            <div class="discuss_list_wrp" style="display:none">                <div class="rich_tips with_line title_tips discuss_title_line">                    <span class="tips">我的评论</span>                </div>                <ul class="discuss_list" id="js_cmt_mylist"></ul>            </div>            <div class="rich_tips tips_global loading_tips" id="js_mycmt_loading"> 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