JAVA爬取网站查询网络IP所在地
网络中我们上网都是一个ip地址，在获取对象网络ip的时候，如果想查询他所在网络的地址怎么搞呢？上代码
1.写一个方法通过站长工具网站查询到你输入的ip的地址，需要用URL去爬取网站数据
/**ip就是需要查询的网络ip地址，返回的就是一个html*/
public static String getUntil(String ip) {String str = "";try {//创建一个URL实例URL url = new URL("http://ip.tool.chinaz.com/" + ip);try {//通过URL的openStrean方法获取URL对象所表示的自愿字节输入流InputStream is = url.openStream();InputStreamReader isr = new InputStreamReader(is, "utf-8");//为字符输入流添加缓冲BufferedReader br = new BufferedReader(isr);String data = br.readLine();//读取数据while (data != null) {//循环读取数据//System.out.println(data);//输出数据data = br.readLine();str += data;}br.close();isr.close();is.close();} catch (IOException e) {e.printStackTrace();}} catch (MalformedURLException e) {e.printStackTrace();}return str;}然后把返回的html进行解析，先看一下原型的返回的html
<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><title>IP/服务器***.*.***.**的信息 - 站长工具</title><meta name="keywords" content="ip,ip地址查询,ip查询,ip地址,网站ip查询,服务器ip查询" /><meta name="description" content="快速查询用户的IP和浏览器、操作系统。可以批量查询IP地址所在地，可以解析域名的多个IP地址"/><script>var jsurlbase = '//csstools.chinaz.com/tools/js';var imgurlbase = '//csstools.chinaz.com/tools/images';var styleurlbase = '//csstools.chinaz.com/tools/styles';</script><script type="text/javascript" src="//csstools.chinaz.com/common/js/mobilepage.js?v=201702"></script><link rel="stylesheet" type="text/css" href="//csstools.chinaz.com/common/styles/all-base.css?v=201803"><link rel="stylesheet" type="text/css" href="//csstools.chinaz.com/common/styles/publicstyle.css?v=201902"><link rel="shortcut icon" type="image/ico" href="//img.chinaz.com/favicon.ico"><script type="text/javascript" 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clearfix"><div class="IpMainWrap-Left fl" id="leftinfo"><div class="Tool-MainWrap"><p class="ClassHead-wrap03 clearfix"><a href="javascript:" class="CHeadcur ml15">IP查询</a><a href="//ip.tool.chinaz.com/ipbatch">IP批量查询</a><a href="//ip.tool.chinaz.com/siteip">IP所在地批量查询</a><a href="//ip.tool.chinaz.com/Same/">同IP网站查询</a><a href="//tool.chinaz.com/ipwhois">IP WHOIS查询</a><a href="//ip.tool.chinaz.com/linksip">友情链接同IP检测</a></p></div><!--PingSearch-begin--><div class="publicSearch w622 auto"><form autocomplete="off" method="post"><div class="search-write-wrap clearfix pr"><div class="search-write-left w442 pr"><input id="address" type="text" name="ip" url="true" value="***.*.***.**"class="search-write-cont w412 WrapHid" /><a href="javascript:" title="清空" class="quickdelete _CentHid"></a><b class="search-hint CentHid" style="display:none">请输入IP/域名</b></div><div class="search-write-right"><input class="search-write-btn" type="submit" value="查询" /></div><div class="BomreWa" id="history-box"><div class="BomreWrap"><a class="IMSearBtn ml10 lh40 tdbone" id="selecthis" href="javascript:">查询记录<i class="corner icon"></i></a><div class="Bomrecord" id="selecthis-box" style="display: none"><div class="BomCor-arrow"><em>◆</em><i>◆</i></div><div class="BomreList"></div></div></div></div></div><input type="hidden" id="tnum" n="1" /></form></div><!--PingSearch-end--><!--IcpMain02-begin--><div class="IcpMain02 bor-t1s02"><div class="col-gray lh30 fz12 pl10 mt10 jspu"><p class="col-gray03 YaHei pr10 pSallTxt">IP/域名***.*.***.**的信息</p><p class="clearfix"><span class="fl">如果该IP实际地址与我们所记录的不符，请<a href="http://wpa.qq.com/msgrd?v=3&uin=168660461&site=qq&menu=yes" target="_blank">更改IP地址</a>帮助我们更好地为您服务！</span><a href="//api.chinaz.com/ApiDetails/IP" target="_blank" class="getapi ml5 mr10 fr"style="line-height:18px">获取API</a></p></div><div class="WhoIpWrap jspu"><p class="WhwtdWrap bg-blue08 col-gray03"><span class="Whwtdhalf w15-0">域名/IP</span><span class="Whwtdhalf w15-0">获取的IP地址</span><span class="Whwtdhalf w15-0">数字地址</span><span class="Whwtdhalf w50-0">IP的物理位置</span></p><p class="WhwtdWrap bor-b1s col-gray03"><span class="Whwtdhalf w15-0">***.*.***.**</span><span class="Whwtdhalf w15-0">***.*.***.**</span><span class="Whwtdhalf w15-0">***.*.***.**</span><span class="Whwtdhalf w50-0">***.*.***.**</span></p><div class="clearfix plr10"><label class="fl lh30 pt5 w70">最近查询：</label><p class="lastsearch plr10 fl w86-0"><a href="//ip.tool.chinaz.com/?IP= ***.*.***.**">***.*.***.**</a><a href="//ip.tool.chinaz.com/?IP= ***.*.***.**">***.*.***.**</a><a href="//ip.tool.chinaz.com/?IP= ***.*.***.**">***.*.***.**</a><a href="//ip.tool.chinaz.com/?IP= ***.*.***.**">***.*.***.**</a><a href="//ip.tool.chinaz.com/?IP= ***.*.***.**">***.*.***.**</a><a href="//ip.tool.chinaz.com/?IP=1 ***.*.***.**">***.*.***.**</a><a href="//ip.tool.chinaz.com/?IP=2 ***.*.***.**">***.*.***.**</a></p></div></div></div><!--IcpMain02-end--></div><div class="IpMainWrap-right fr" id="rightinfo"><dl class="IpMRig-tit"><dt>您的IP</dt><dd class="fz24">***.*.***.**</dd><dt>来自</dt><dd>***.*.***.**<a href="http://tool.chsinaz.com/cosnstacts" target="_blank" class="col-blue02 pl5">(纠错)</a></dd><dt>操作系统</dt><dd>Unknown</dd><dt>分辨率</dt><dd id="screen"></dd><dt>语言</dt><dd></dd><dt>浏览器</dt><dd><strong>Unknown 0.0</strong>***.*.***.**</dd></dl><div class="IpMRig-Btn"><a href="javascript:">***.*.***.**</a></div></div></div><!--Tool-MainWrap-begin--><script>$("form").submit(function() {var v = $("#address").val();var nv = v.substring(0, v.indexOf('?') > 0 ? v.indexOf('?') : v.length);$("#address").val(nv);$(this).attr("action", "/" + $("#address").val());});$(".IpMRig-Btn a").click(function() {if ($(this).text().indexOf("展开") >= 0) {$(".IpMRig-tit").css({height: "auto",overflow: "auto"});$(this).text("收起");} else {$(".IpMRig-tit").css({height: "183px",overflow: "hidden"});$(this).text("展开更多");}});$("#screen").text(window.screen.width + "*" + window.screen.height)</script><!--footer-public-begin--><div class="wrapper mt10"><div id="centerTxt"></div><!--<div class="ToolsWrap" id="centerImg"></div>--><div class="bg-gray02"><div class="ToolsImgWrap clearfix"><div class="fl mr10 ToolsFive" id="ctImgLeft"></div><div class="fl mr10 ToolsFour" id="ctImgCenter"></div><div class="fl ToolsFive" id="ctImgRight"></div></div></div><div class="ToolAbout wrapper03"><div class="clearfix"><h4 class="HeadH4 YaHei fz16 col-blue02 fwnone fl">工具简介</h4><div class="fr fz14" id="toolsIntro"></div></div><div class="col-gray01 ToolAbCont"><p>通过该工具可以查询指定IP的物理地址或域名服务器的IP和物理地址，及所在国家或城市，甚至精确到某个网吧，机房或学校等；查出的结果仅供参考！</p><p>数字地址：即IP地址的数字化形式，复制在浏览器中访问就和访问IP一样</p></div></div></div><!--siteBar-begin--><div class="wrapper mt10 bor-b1s06 clearfix"><div class="ToFooter fl w24-0"><a href="javascript:" class="ToCurt">SEO相关</a><a href="javascript:">其他工具相关</a></div><div class="fr lh43 pr10 new_fea"><a href="//icp.chinaz.com/" target="_blank">网站备案</a><a 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class="fz14 fwnone col-blue02 pb5">IP类</h5><p class="plist"><a href="http://ip.tool.chinaz.com" target="_blank">IP 查询</a><a href="http://ip.tool.chinaz.com/ipbatch" target="_blank">IP 批量</a><a href="//tool.chinaz.com/Same/" target="_blank">同IP网站查询</a><a href="//tool.chinaz.com/ipwhois/" target="_blank">IP WHOIS查询</a><!--<a href="//tool.chinaz.com/port/" target="_blank">端口扫描</a>--></p></li><li class="fl bor-r1s"><h5 class="fz14 fwnone col-blue02 pb5">百度相关</h5><p class="plist"><a href="//tool.chinaz.com/keywords" target="_blank">关键词排名</a><a href="//tool.chinaz.com/baidu/words.aspx" target="_blank">关键词挖掘</a><a href="//outlink.chinaz.com/" target="_blank">反链查询</a><a href="//rank.chinaz.com" target="_blank">权重查询</a><a href="//tool.chinaz.com/baidu/" target="_blank">收录查询</a><a href="//tool.chinaz.com/baidu/entry" target="_blank">收录率查询</a><a href="//tool.chinaz.com/kwevaluate" target="_blank">关键词优化分析</a><a href="//tool.chinaz.com/baidu/metadig.aspx" target="_blank">Meta信息挖掘</a></p></li><li 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class="col-gray02 ml10">亿速云提供<a href="http://www.yisu.com/" target="_blank" rel="nofollow" class="col-blue03">云服务器</a>支持</span></p></div></div><!--ToolFooter-end--><!--footer-public-end--><div id="ToolBox"><div id="xhead"></div><ul id="xlist"></ul><div id="xfoot"></div></div><script src="///stats.chinaz.com/gj_g/tool_a.js" type="text/javascript"></script><script type="text/javascript" src="//my.chinaz.com/js/uc.js" charset="utf-8"></script><div class="TFloat-item" id="toTop"><a href="javascript:" id="TFloat" title="回到顶部" style="display:none;"></a><a href="//tool.chinaz.com/contact" class="feedback" target="_blank"></a><a href="javascript:" class="Record" id="record"></a><div class="Record-show " id="RecordShow" style="display:none;"><div class="Tgroup"><a href="//seo.chinaz.com/" target="_blank">SEO查询</a><a href="//icp.chinaz.com/" target="_blank">备案查询</a><a href="http://ip.tool.chinaz.com/" target="_blank">IP查询</a><a href="//tool.chinaz.com/kws/" target="_blank">关键词查询</a><a href="//link.chinaz.com/" target="_blank">友情链接</a><a href="//tool.chinaz.com/map.aspx" class="col-hint" target="_blank">更多工具</a></div><div class="arr"></div></div></div><div class="autohide"><script src='//s11.cnzz.com/stat.php?id=5082706&web_id=5082706' language='JavaScript'charset='gb2312' type="text/javascript"></script></div><input id="enabled" type="hidden" value="1" /></body></html>我需要把输出信息的那一块筛选出来组成有价值的数据
String ipciom = "";String until = null;try {until = getUntil("***.***.***.**");System.out.printf(until);int lastHtmlBor = until.lastIndexOf("WhwtdWrap bor-b1s col-gray03");if (lastHtmlBor > 0) {int lastHtmlPlr = until.lastIndexOf("clearfix plr10");String whwtdhalf = until.substring(lastHtmlBor, lastHtmlPlr);int whwtdhallfSpan = whwtdhalf.indexOf("<span class=\"Whwtdhalf w15-0\">");int spanLength = whwtdhalf.indexOf("</span>");String spenLengthStr = whwtdhalf.substring(whwtdhallfSpan, spanLength);int whtstrLength = spenLengthStr.lastIndexOf(">");String ip = spenLengthStr.substring(whtstrLength + 1);int wSpanLastOfIndex = whwtdhalf.lastIndexOf("<span class=\"Whwtdhalf w50-0\">");int wSpanLastOfs = whwtdhalf.lastIndexOf("</span> ");String wSpanLastOf = whwtdhalf.substring(wSpanLastOfIndex, wSpanLastOfs);String addressIp = wSpanLastOf.substring(wSpanLastOf.lastIndexOf(">") + 1);ipciom += "您的IP是:" + ip + ",IP地址是来自:" + addressIp;} else {ipciom += "网站解析错误,请检查IP输入！";}} catch (Exception e) {// TODO: handle exceptione.printStackTrace();}System.out.println(ipciom);
OK，这样获取到了ip地址信息，（纯属娱乐）！个人使用
