关键词匹配搜索仿百度
<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>关键词匹配搜索仿百度</title><meta name="description" content=" 内容介绍不超过100个中文"><meta name="keywords" content=" 内容相关关键词3-5个"><style>body, ul, li { margin: 0; padding: 0;}body{ font-size:12px; font-family:sumsun,arial;background:#FFFFFF;}.gover_search{ position:relative; z-index:99; height:63px; padding:15px 0 0 20px; border:1px solid #b8cfe6; border-bottom:0; background:url(../images/gover_search_bg.gif) repeat-x 0 0;}.gover_search_form{height:36px;}.gover_search .search_t{ float:left; width:112px; line-height:26px; color:#666;}.gover_search .input_search_key{ float:left; width:462px; height:18px; padding:3px; margin-right:5px; border:1px solid #ccc; line-height:18px; background:#fff;}.gover_search .search_btn{ float:left; width:68px; height:26px; overflow:hidden; border:1px solid #ccc; text-align:center; color:#ff3300; letter-spacing:5px; background:url(../images/gover_search_bg.gif) no-repeat 0 -79px; cursor:pointer; font-weight:bold;}.gover_search .search_suggest{ position:absolute; z-index:999; left:132px; top:41px; width:468px; border:1px solid #ccc;border-top:none; display:none;color:#004080; }.gover_search .search_suggest li{height:24px; overflow:hidden; padding-left:3px; line-height:24px; background:#fff; cursor:default;}.gover_search .search_suggest li.hover{background:#ddd;}.num_right{float:right;text-align:right;line-height:24px;padding-right:10px}</style></head><body><div class="gover_search"> <div class="gover_search_form clearfix"> <span class="search_t">关键词匹配搜索</span> <input type="text" class="input_search_key" id="gover_search_key" placeholder="请输入关键词直接搜索" /> <button type="submit" class="search_btn">搜索</button> <div class="search_suggest" id="gov_search_suggest"> <ul> </ul> </div> </div> </div><script type="text/javascript" src="http://jt.875.cn/js/jquery.js"></script><script type="text/javascript">//实现搜索输入框的输入提示js类function oSearchSuggest(searchFuc){var input = $('#gover_search_key');var suggestWrap = $('#gov_search_suggest');var key = "";var init = function(){input.bind('keyup',sendKeyWord);input.bind('blur',function(){setTimeout(hideSuggest,100);})}var hideSuggest = function(){suggestWrap.hide();}//发送请求,根据关键字到后台查询var sendKeyWord = function(event){//键盘选择下拉项if(suggestWrap.css('display')=='block'&&event.keyCode == 38||event.keyCode == 40){var current = suggestWrap.find('li.hover');if(event.keyCode == 38){if(current.length>0){var prevLi = current.removeClass('hover').prev();if(prevLi.length>0){prevLi.addClass('hover');input.val(prevLi.html());}}else{var last = suggestWrap.find('li:last');last.addClass('hover');input.val(last.html());}}else if(event.keyCode == 40){if(current.length>0){var nextLi = current.removeClass('hover').next();if(nextLi.length>0){nextLi.addClass('hover');input.val(nextLi.html());}}else{var first = suggestWrap.find('li:first');first.addClass('hover');input.val(first.html());}}//输入字符}else{ var valText = $.trim(input.val());if(valText ==''||valText==key){return;}searchFuc(valText);key = valText;}}//请求返回后,执行数据展示this.dataDisplay = function(data){if(data.length<=0){ suggestWrap.hide();return;}//往搜索框下拉建议显示栏中添加条目并显示var li;var tmpFrag = document.createDocumentFragment();suggestWrap.find('ul').html('');for(var i=0; i<data.length; i++){li = document.createElement('LI');li.innerHTML = data[i];tmpFrag.appendChild(li);}suggestWrap.find('ul').append(tmpFrag);suggestWrap.show();//为下拉选项绑定鼠标事件suggestWrap.find('li').hover(function(){suggestWrap.find('li').removeClass('hover');$(this).addClass('hover');},function(){$(this).removeClass('hover');}).bind('click',function(){ $(this).find("span").remove();input.val(this.innerHTML);suggestWrap.hide();});}init();};//实例化输入提示的JS,参数为进行查询操作时要调用的函数名var searchSuggest = new oSearchSuggest(sendKeyWordToBack);//这是一个模似函数,实现向后台发送ajax查询请求,并返回一个查询结果数据,传递给前台的JS,再由前台JS来展示数据。本函数由程序员进行修改实现查询的请求//参数为一个字符串,是搜索输入框中当前的内容function sendKeyWordToBack(keyword){ /* var obj = { "keyword" : keyword }; $.ajax({ type: "POST", url: "${ctx}/front/suqiu2/search/prompt-keyword.action", async:false, data: obj, dataType: "json", success: function(data){ //var json = eval("("+data+")"); var key=data.split(","); var aData = []; for(var i=0;i<key.length;i++){//以下为根据输入返回搜索结果的模拟效果代码,实际数据由后台返回if(key[i]!=""){ aData.push(key[i]);} }//将返回的数据传递给实现搜索输入框的输入提示js类 searchSuggest.dataDisplay(aData); } }); */ //以下为根据输入返回搜索结果的模拟效果代码,实际数据由后台返回var aData = [];aData.push('<span class="num_right">约100个</span>'+keyword+'返回数据1');aData.push('<span class="num_right">约200个</span>'+keyword+'返回数据2');aData.push('<span class="num_right">约100个</span>'+keyword+'返回数据3');aData.push('<span class="num_right">约50000个</span>'+keyword+'返回数据4');aData.push('<span class="num_right">约1044个</span>'+keyword+'2012是真的');aData.push('<span class="num_right">约100个</span>'+keyword+'2012是假的');aData.push('<span class="num_right">约100个</span>'+keyword+'2012是真的');aData.push('<span class="num_right">约100个</span>'+keyword+'2012是假的');//将返回的数据传递给实现搜索输入框的输入提示js类searchSuggest.dataDisplay(aData);}</script></body></html>