百家搜索：在站点中加入Google、百度等搜索引擎

来源：http://www.ido321.com/1143.html

看到一些站点上加入了各种搜索引擎。

如Google、百度、360、有道等。就有点好奇。这个怎么实现？研究了一各个搜索引擎怎么传送keyword，找到了小窍门。于是乎，自家弄了一个百家搜索：

效果：

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演示地址戳此：http://sousuodaquan.sinaapp.com/

ps：在列表中加入了糯米汇（http://www.nuomihui.com）的站内搜索，仅用于演示，别无它用。特此声明。

HTML代码：

<div class="sdiv">
        <form id="sform" method="get" target="_blank" action="http://www.baidu.com/s">
            <div class="mains">
                <ul id="selectul">
                    <li id="selectedli" style="background-color: white;">百度</li>
                    <li>百度</li>
                    <li>谷歌</li>
                    <li>必应</li>
                    <li>有道</li>
                    <li>搜搜</li>
                    <li>搜狗</li>
                    <li>360</li>
                    <li>爱淘宝</li>
                    <li>亚马逊</li>
                    <li>当当</li>
                    <li>知道</li>
                    <li>维基</li>
                    <li>Crea</li>
                    <li class="lastli">糯米汇</li>

                </ul>
                <input type="text" name="wd" id="findParam"/>
            </div>
            <input type="submit" value="搜索" id="btn" />
        </form>
        <h4 style="margin-left:100px">出处：<a href="http://www.ido321.com/" target="_blank">淡忘~浅思</a></h4>
    </div>

JavaScript：

window.onload = function()
        {
            var selectul = document.getElementById('selectul');
            var lis = selectul.getElementsByTagName('li');
            var selectedli = document.getElementById('selectedli');
            var findParam = document.getElementById('findParam');
            var sform = document.getElementById("sform");
            var lislen = lis.length;
            for (var i = 0; i < lislen; i++) {
                lis[i].onmouseover=function()
                {
                    selectul.style.overflow = "visible";
                };
                lis[i].onmouseout=function()
                {
                    selectul.style.overflow = "hidden";
                };
                lis[i].onclick = function()
                {
                    selectedli.innerHTML = this.innerHTML;
                    switch(this.innerHTML)
                    {
                        case "百度":
                             findParam.name='wd';
                             sform.action = "http://www.baidu.com/s";
                             break;
                        case "谷歌":
                             findParam.name='q';
                              sform.action = "http://www.google.com.hk/search";
                             break;
                        case "必应":
                             findParam.name='q';
                              sform.action = "http://cn.bing.com/search";
                             break;
                        case "有道":
                             findParam.name='query';
                              sform.action = "http://www.sogou.com/web";
                             break;
                        case "搜搜":
                             findParam.name='w';
                              sform.action = "http://www.soso.com/q";
                             break;
                        case "搜狗":
                             findParam.name='q';
                              sform.action = "http://www.youdao.com/search";
                             break;
                        case "360":
                             findParam.name='q';
                              sform.action = "http://www.youdao.com/search";
                             break;
                        case "爱淘宝":
                             findParam.name='key';
                              sform.action = "http://ai.taobao.com/search/index.htm";
                             break;
                         case "亚马逊":
                             findParam.name='field-keywords';
                              sform.action = "http://www.amazon.cn/s/ref=nb_sb_noss";
                             break;
                         case "当当":
                             findParam.name='key';
                              sform.action = "http://search.dangdang.com/";
                             break;
                         case "知道":
                             findParam.name='word';
                              sform.action = "http://zhidao.baidu.com/search";
                             break;
                         case "维基":
                             findParam.name='search';
                              sform.action = "ttp://zh.wikipedia.org/w/index.php";
                             break;
                         case "Crea":
                             findParam.name='q';
                              sform.action = "http://search.creativecommons.org/";
                             break;
                         case "糯米汇":
                             findParam.name='s';
                              sform.action = "http://www.nuomihui.com/";
                             break;
                    }
                    selectul.style.overflow = "hidden";
                };
            };
        };

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