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<body><div id="u"><a href="http://www.baidu.com/gaoji/preferences.html" name="tj_setting">搜索设置</a>&nbsp;|&nbsp;<a href="http://passport.baidu.com/?login&tpl=mn" name="tj_login">登录</a></div>
<div id="m"><p id="lg"><img src="http://www.baidu.com/img/baidu_sylogo1.gif" width="270" height="129" usemap="#mp"><map name="mp"><area shape="rect" coords="40,25,230,95" href="http://hi.baidu.com/baidu/" target="_blank" title="点此进入 百度的空间" ></map></p><p id="nv"><a href="http://news.baidu.com">新&nbsp;闻</a> <b>网&nbsp;页</b> <a href="http://tieba.baidu.com">贴&nbsp;吧</a> <a href="http://zhidao.baidu.com">知&nbsp;道</a> <a href="http://mp3.baidu.com">MP3</a> <a href="http://image.baidu.com">图&nbsp;片</a> <a href="http://video.baidu.com">视&nbsp;频</a> <a href="http://map.baidu.com">地&nbsp;图</a></p><div id="fm"><form name="f" action="/s"><input type="text" name="wd" id="kw" maxlength="100"><input type="hidden" name="rsv_bp" value="0"><input type="hidden" name="rsv_spt" value="3"><span class="btn_wr"><input type="submit" value="百度一下" id="su" class="btn" onmousedown="this.className='btn btn_h'" onmouseout="this.className='btn'"></span></form><span class="tools"><span id="mHolder"><div id="mCon"><span>输入法</span></div></span></span><ul id="mMenu"><li><a href="#" name="ime_hw">手写</a></li><li><a href="#" name="ime_py">拼音</a></li><li class="ln"></li><li><a href="#" name="ime_cl">关闭</a></li></ul></div>
<p id="lk"><a href="http://hi.baidu.com">空间</a> <a href="http://baike.baidu.com">百科</a> <a href="http://www.hao123.com">hao123</a><span> | <a href="/more/">更多&gt;&gt;</a></span></p><p id="lm"></p><p><a id="sh" onClick="this.setHomePage('http://www.baidu.com')" href="http://utility.baidu.com/traf/click.php?id=215&url=http://www.baidu.com" onmousedown="return ns_c({'fm':'behs','tab':'homepage','pos':0})">把百度设为主页</a></p>
<p id="lh"><a href="http://e.baidu.com/?refer=888">加入百度推广</a> | <a href="http://top.baidu.com">搜索风云榜</a> | <a href="http://home.baidu.com">关于百度</a> | <a href="http://ir.baidu.com">About Baidu</a></p><p id="cp">&copy;2011 Baidu <a href="/duty/">使用百度前必读</a> <a href="http://www.miibeian.gov.cn" target="_blank">京ICP证030173号</a> <img src="http://gimg.baidu.com/img/gs.gif"></p></div></body>
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这个使用string里的查找方法, 怎么查询出所以有超链接???