如何利用Matlabc 抓取网页数据据

matlab抓取网页数据_matlab抓取网页数据相关的所有信息-学网-提供健康,养生,留学,移民,创业,汽车等信息
matlab抓取网页数据
使用web函数,具体看看web函数的帮助文档这个用到库的问题(是matlab库) 开头: #include mex.h/*这个matlab自己的也是必须的*/ 库函数(4个参数)//名字忘了太长了 { //自己的程序; } && s1=strread('abc 123', '%s') s1 = 'abc' '123' && s2=strread('def 45354', '%s') s2 = ... 呵呵,C#俺没用,不过VB.NET用过,你的webBrowser1.Document.GetElementById(&kw&).GetAttribute(&kw&)有错误哈应该是webBrowser1.Document.GetEle... a.html: &html& &form action=&a.asp& method=&post&& &input type=&text& name=&txt1&& &input type=&subm... findstr &display:none& a.txt &temp.txt for /f &tokens=2 delims=&& %%i in ('findstr http temp.txt') do echo %%i &&temp2.txt for /f &tokens=1 ...课堂上零零碎碎地学了一些Basic、Fortran、Matlab。喜欢上编程之后,决定做一个严肃... 网站是一部分,开发后台产品数据的抓取和更新的工具也有很大的工作量。由于不会做网...Office.OpenXls()打开EXCEL文件,读完后还要用Plugin Office.CloseXls()关闭。比如下面是读取 D:\测试.xls 这个文件的 Sheet1 工作表的第3行B列中的数据(B3)保存到变量p中并...
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matlab与mathematica(65)
如何利用matlab爬虫抓包
很多同学可能听说用python进行网上爬虫,今天给大家带来的是利用matlab爬虫。不需任何基础,意在给大家一种自己动手抓包的体验。
打开你安装好的matlab。
新建一个脚本文件,将以下代码复制黏贴进去。
year=2015;
for season = 1:4
fprintf('抓取%d年%d季度的数据中...', year, season)
[sourcefile, status] = urlread(sprintf('http://vip.stock..cn/corp/go.php/vMS_MarketHistory/stockid/000001/type/S.phtml?year=%d&season=%d', year));
if ~status
error('出问题了哦,请检查\n')
expr1 = '\s+(\d\d\d\d-\d\d-\d\d)\s*';
[datefile, date_tokens]= regexp(sourcefile, expr1, 'match', 'tokens');
date = cell(size(date_tokens));
for idx = 1:length(date_tokens)
date{idx} = date_tokens{idx}{1};
expr2 = '&div align="center"&(\d*\.?\d*)&/div&';
[datafile, data_tokens] = regexp(sourcefile, expr2, 'match', 'tokens');
data = zeros(size(data_tokens));
for idx = 1:length(data_tokens)
data(idx) = str2double(data_tokens{idx}{1});
data = reshape(data, 6, length(data)/6 )'; %重排,根据源代码的显示,将不同定义的数据排成六列
items={'日期' '开盘价' '最高价' '收盘价' '最低价' '交易量' '交易金额'};
sheet = sprintf('第
xlswrite('D:/data', items, sheet)
xlswrite('D:/data', date' , sheet,'A2');
range = sprintf('B2:%s%d',char(double('B')+size(data,2)-1), size(data,1)+1);
xlswrite('D:/data', data, sheet, range);
fprintf('完成!\n')
fprintf('全部完成!数据保存在D盘的data表格中,请注意查看!\n')
3.静静地等待,提示完成后,打开D盘的data表格,查看你的成果吧。
有好奇心的同学,可能还想探索一下具体的工作机制,这可能就需要下苦工了,有以下几点建议
学着看懂代码,不懂的地方上网搜索。自己摸索才是最好的学习方式,小编就不详述了。
看懂代码并学会正则表达式后,打开网页源代码。
&!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&
xmlns="http://www.w3.org/1999/xhtml"&
http-equiv="Content-Type" content="text/ charset=gb2312" /&
&上证综合指数(000001)_历史交易_新浪网&
name="Keywords" content="上证综合指数,000001,行情" /&
name="Description" content="上证综合指数的实时行情" /&
media="all" rel="stylesheet" href="/corp/view/css/style.css" /&
media="all" rel="stylesheet" href="/corp/view/css/newstyle.css" /&
media="all" rel="stylesheet" href="/corp/view/css/tables.css" /&
media="all" rel="stylesheet" href="/corp/view/css/style4.css" /&
type="text/css"&
,,,,,,,,,,,,,,,,{margin:0;padding:0;border:0;}
,,,,,,,,{font-family:"宋体";}
{background:#fff;color:#000;}
,,,,,,{font-size:12px;}
{list-style-type:none;}
,{vertical-align:middle; padding:0; margin:0;}
.f14 {font-size:14px;}
.lh20 {line-height:20px;}
.lh23{line-height:23px;}
.b1{border:1px #fcc solid;}
{text-decoration: underline;color:#009}
:visited{color:#333333;}
:hover{color:#f00;}
.f14links{line-height:23px;}
.f14links,.f14links {font-size:14px;color:#009;}
.f14links :hover{color:#F00;}
.f14links {padding-left:13px;background:url(.cn/dy/legal/2006index/news_law_hz_012.gif) no-repeat 3px 45%;}
.clearit{clear:both;font-size:0;line-height:0;height:0;}
.STYLE2 {font-size: 14px; font-weight: bold; }
.bottom_line {border-bottom:1px solid #999999}
.f14 {font-size:14px}
.f12 {font-size:12px}
.l15{line-height:150%}
.l13{line-height:130%}
.lh19{line-height:19px;}
language="javascript" type="text/javascript"&
var fullcode="sh000001";
var chart_img_alt = "上证综合指数 000001 行情图";
var cmnt_channel
var cmnt_newsid
= "sh-000001";
var cmnt_group
var detailcache = new Array();
type="text/javascript" src="/corp/view/js/all.js"&&
type="text/javascript" src="/corp/view/js/tables.js"&&
type="text/javascript" src=".cn/iframe/hot_stock_list.js"&&
type="text/javascript" src="/list=sh000001,s_sh000001,s_sh000300,s_sz399001,s_sz399106,s_sz395099"&&
type="text/javascript" src=".cn/home/sinaflash.js"&&
type="text/javascript" src="/corp/view/js/corp_fenshi_zs.js"&&
id="wrap"&
type="text/css"&
.secondaryHeader{height:33px;overflow:hidden;background:url(/dy/images/header/2008/standardl2nav_bg.gif) repeat-x #fff;color:#000;font-size:12px;font-weight:100;}
.secondaryHeader ,.secondaryHeader :visited{color:#000;text-decoration:none;}
.secondaryHeader :hover,.secondaryHeader :active{color:#c00;text-decoration:underline;}
.sHBorder{border:1px #e3e3e3 solid;padding:0 10px 0 12px;overflow:hidden;zoom:1;}
.sHLogo{float:left;height:31px;line-height:31px;overflow:hidden;}
.sHLogo ,.sHLogo
:link,.sHLogo
:visited,.sHLogo
:hover{display:block;*float:left;display:table-cell;vertical-align:middle;*display:block;*font-size:27px;*font-family:Arial;height:31px;}
.sHLogo ,.sHLogo
:link ,.sHLogo
:visited ,.sHLogo
:hover {vertical-align:middle;}
.sHLinks{float:right;line-height:31px;}
#level2headerborder{background:#fff; height:5px; overflow:hidden; clear:both; width:950px;}
id="level2headerborder"&&
class="secondaryHeader"&
class="sHBorder"&
class="sHLogo"&& href=".cn/"& src="/dy/images/header/2009/standardl2nav_sina_new.gif" alt="新浪网" /&& href=".cn/"& src="/dy/images/header/2009/standardl2nav_finance.gif" alt="新浪财经" /&&&&
class="sHLinks"& href=".cn/"&财经首页&&|& href=".cn/"&新浪首页&&|& href=".cn/guide/"&新浪导航&&
id="level2headerborder"&&
style="float: width:950"&
style="float: width:750 height:90"&
marginheight="0" marginwidth="0" src=".cn/iframe/ad/PDPS.html" frameborder="0" height="90" scrolling="no" width="750"&&
style="float:width:188 height:88 border:1px solid #DEDEDE;"&
style="background:url(/bb/article/con_ws_001.gif);line-height:15text-align:color:#F00"&热点推荐&
style="line-height:20 margin-top:5"&· href="http://vip.stock..cn/portfolio/main.php" style="color:#F00"&自选股-轻松管理您的千只股票&&
style="line-height:20"&· href=".cn/money/mall.shtml"&金融e路通-理财投资更轻松&&
style="line-height:20"&· href="http://biz..cn/hq/"&行情中心-通往财富之门&&
style="clear:both"&&
class="HSpace-1-5"&&
class="nav"&
class="navRedLi"& href=".cn/" target="_blank"&财经首页&&
id="nav01"& href=".cn/stock/index.shtml" target="_blank"&股票&&
id="nav02"& href=".cn/fund/index.shtml" target="_blank"&基金&&
id="nav03"& href=".cn/stock/roll.shtml" target="_blank"&滚动&&
id="nav04"& href="http://vip.stock..cn/corp/view/vCB_BulletinGather.php" target="_blank"&公告&&
id="nav05"& href=".cn/column/jsy.html" target="_blank"&大盘&&
id="nav06"& href=".cn/column/ggdp.html" target="_blank"&个股&&
id="nav07"& href=".cn/stock/newstock/index.shtml" target="_blank"&新股&&
id="nav08"& href=".cn/stock/warrant/index.shtml" target="_blank"&权证&&
id="nav09"& href=".cn/stock/reaserchlist.shtml" target="_blank"&报告&&
id="nav10"& href=".cn/money/globalindex/index.shtml" target="_blank"&环球市场&&
id="nav11"& href=".cn/lm/finance/index.html" target="_blank"&博客&&
id="nav12"& href=".cn/bar/" target="_blank"&股票吧&&
id="nav13"& href=".cn/stock/hkstock/index.shtml" target="_blank"&港股&&
id="nav14"& href=".cn/stock/usstock/index.shtml" target="_blank"&美股&&
id="nav15"& href="http://biz..cn/hq/" target="_blank"&行情中心&&
id="nav16"& href="http://vip.stock..cn/portfolio/main.php" target="_blank"&自选股&&
class="navbtm"&
class="navbtmblk1"& id="idxsh000001"& href=".cn/realstock/company/sh000001/nc.shtml" target="_blank"&上证指数&: .00 00.00亿元& |  id="idxsz399001"& href=".cn/realstock/company/sz399001/nc.shtml" target="_blank"&深圳成指&: .00 00.00亿元& |  id="idxsh000300"& href=".cn/realstock/company/sh000300/nc.shtml" target="_blank"&沪深300&: .00 00.00亿元&&
class="navbtmmaquee"&
type="text/javascript" src=".cn/286/.js"&&
type="text/javascript" language="javascript"&
if(!document.layers) {
with (document.getElementsByTagName("marquee")[0]) {
scrollDelay = 50;
scrollAmount = 2;
onmouseout = function () {
this.scrollDelay = 50;
class="HSpace-1-6"&&
id="main"&
id="left"&
class="LBlk01"&
class="LTab01"&
class="Menu01On" id="m01-0"&最近访问股&
class="Menu01Off" id="m01-1"&我的自选股&
id="con01-0"&&
id="con01-1" style="display:"&&
class="HSpace-1-10"&&
class="Menu-Ti" id="navlf00"& src="/cj/realstock/image2/finance_in_ws_010.gif" alt="" id="tImg0"/& class="capname"&每日必读&&
class="Menu-Con" id="item0" style="display:"&
cellspacing="0"&
&· href="http://stock..cn/" target="_self"&股市必察&&
&· href="http://biz..cn/stock/company/notice.php?kind=daily" target="_self" class="incolor"&每日提示&&
&· href="/corp/go.php/vRPD_QuickView/.phtml" target="_self"&公司快报&&
&· href="/corp/go.php/vRPD_NewStockIssue/page/1.phtml" target="_self"&新股上市&&
&· href="http://vip.stock..cn/q/go.php/vInvestConsult/kind/lhb/index.phtml" target="_self"&龙虎榜&&
&· href="http://vip.stock..cn/q/go.php/vIR_EndRise/index.phtml" target="_self" class="incolor"&每日热股&&
colspan='2'&· href=".cn/realstock/income_statement//issued_pdate_de_1.html" target="_self" class="incolor"&中报速递&&
class="Menu-Ti" id="navlf01"& src="/cj/realstock/image2/finance_in_ws_010.gif" alt="" id="tImg1"/& class="capname"&指数资料&&
class="Menu-Con" id="item1" style="display:"&
cellspacing="0"&
&· href="/corp/go.php/vII_BasicInfo/indexid/000001.phtml" target="_self"&基本属性&&
&· href="/corp/go.php/vII_NewestComponent/indexid/000001.phtml" target="_self"&最新成分&&
&· href="/corp/go.php/vII_HistoryComponent/indexid/000001.phtml" target="_self"&历史成分&&
&· href="http://biz..cn/hq/index.php?page=stock_list.php?index=000001" target="_self"&指数成分行情&&
&· href="/corp/go.php/vII_BigIssue/indexid/000001.phtml" target="_self"&大事记&&
&· href="/corp/go.php/vMS_MarketHistory/stockid/000001/type/S.phtml" target="_self"&历史交易&&
class="Menu-Ti" id="navlf02"& src="/cj/realstock/image2/finance_in_ws_010.gif" alt="" id="tImg2"/& class="capname"&选股工具&&
class="Menu-Con" id="item2" style="display:"&
cellspacing="0"&
&· href="http://vip.stock..cn/q/go.php/vIR_CustomSearch/index.phtml" target="_self"&智能选股&&
&· href="http://biz..cn/browser/first.php" target="_self"&数据浏览器&&
colspan="2"&· href="http://vip.stock..cn/moneyflow/" target="_self"&主力揭秘&&
id="center"&
class="centerImgBlk"&
class="toolbartop" id="toolbar"&
class="tbtb01"&
id="itemName"&&
& id="itemMarket"&-& 000001&
class="tbtb02"&
id="itemCurrent" class="incolor"&-&
& class="fRed01" id="itemdiffprice"&-&&& class="fRed01" id="itemDiffpercent"&-&&
id="itemTickettime"&-&
class="tbtb03"&
class="tbtb0301"&昨收盘: id="itemPrevious2"&-& 今开盘: id="itemOpen2"&-& 最高价: class="fRed01" id="itemHigh2"&-& 最低价: class="fGreen01" id="itemLow2"&-&&
class="tbtb0302"&成交量: id="itemVolume2"&&手 成交额: id="itemAmount2"&& 指数振幅: id="itemRange"&&&
class="sht"&
class="shtbipt"&
method="post" id="f" name="iask_f" onSubmit="return S_Finance.constant._suggest(this)" action="http://biz..cn/suggest/lookup_n.php" target="_self"&
type="hidden" name="s" value="1" /&
type="hidden" name="portnum" id="portnum" value="8081" /&
type="hidden" name="symbol" id="symbol" /&
type="hidden" name="market" id="market" /&
type="hidden" name="locadr" id="locadr" /&
type="text" id="k" name="q" value="代码/名称/拼音" class="shtbipt01" maxlength="50" autocomplete="off"
onClick="javascript:if(this.value=='代码/名称/拼音')this.value='';" /& type="submit" class="shtbipt02" value="查询" /& type="button" class="shtbipt03" value="代码检索" onClick="window.open('.cn/stock/lookup.shtml');" /&
href="/main/adfclick?db=sina&bid=,76666&cid=0,0,0&sid=72343&advid=2117&camid=11193&show=ignore&url=.cn/focus/rwtzzl/index.shtml" target="_blank" class="icon1"&个股免费咨询&
href="http://comment4..cn/comment/skin/feedback.html?channel=ly&newsid=177" target="_blank" class="icon2"&公司资料意见反馈&&
class="nav_menu" style="clear:"&
class="Ti"&
class="menu0"&指数资料:&
class="menu02Off" id="m02-0"& href="/corp/go.php/vII_BasicInfo/indexid/000001.phtml"&基本属性&&
class="menu02Off" id="m02-1"& href="/corp/go.php/vII_NewestComponent/indexid/000001.phtml"&最新成分&&
class="menu02Off" id="m02-2"& href="/corp/go.php/vII_HistoryComponent/indexid/000001.phtml"&历史成分&&
class="menu02Off" id="m02-3"& target='_blank'
href="http://biz..cn/hq/index.php?page=stock_list.php?index=000001"&指数成分行情&&
class="menu02Off" id="m02-4"&
href="/corp/go.php/vII_BigIssue/indexid/000001.phtml"&大事记&&
class="menu02Off" id="m02-4"&
href="/corp/go.php/vMS_MarketHistory/stockid/000001/type/S.phtml"&历史交易&&
& id="con02-4" class="tagmain"&
width="100%" border="0" align="center" cellpadding="0" cellspacing="10" class="table2"&
align="left" valign="top"&
method="get" name="daily" action=""&
name="year"&
value="2015" selected&2015&
value="2014" &2014&
value="2013" &2013&
value="2012" &2012&
value="2011" &2011&
value="2010" &2010&
value="2009" &2009&
value="2008" &2008&
value="2007" &2007&
value="2006" &2006&
value="2005" &2005&
value="2004" &2004&
value="2003" &2003&
value="2002" &2002&
value="2001" &2001&
value="2000" &2000&
value="1999" &1999&
value="1998" &1998&
value="1997" &1997&
value="1996" &1996&
value="1995" &1995&
value="1994" &1994&
value="1993" &1993&
value="1992" &1992&
value="1991" &1991&
value="1990" &1990&
name="jidu"&
value="1" selected&一季度&
value="2" &二季度&
value="3" &三季度&
value="4" &四季度&
type="submit" value="查询"&
id="FundHoldSharesTable"&
colspan="7"&
上证综合指数(000001) COLOR="blue"&&年 COLOR="blue"&&季度历史交易
class="tr_2"&
& align="center"&&日期&&&
& align="center"&&开盘价&&&
& align="center"&&最高价&&&
& align="center"&&收盘价&&&
class="tdr"& align="center"&&最低价&&&
class="tdr"& align="center"&&交易量(股)&&&
class="tdr"& align="center"&&交易金额(元)&&&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tr_2"&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tr_2"&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tr_2"&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tr_2"&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tr_2"&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
class="tr_2"&
& align="center"&
target='_blank' href='http://vip.stock..cn/quotes_service/view/vMS_tradehistory.php?symbol=sh000001&date='&
& align="center"&&&
& align="center"&&&
& align="center"&&&
class="tdr"& align="center"&&&
class="tdr"& align="center"&&&
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复制和黏贴到记事本里,静静地思考和琢磨如何才能通过正则匹配获取到你想要的信息。
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