本文实例讲述了jQuery实现鼠标跟随提示层效果代码。分享给大家供大家参考，具体如下：

运行效果截图如下：

Web网站有不少需要用到tip提示层的地方，结合jquery的jquery.cluetip.js ，可以实现本地字符或ajax异步调用显示提示层。如以上购评分明细提示。(优势：宽度需要调用页加载时定义，高度auto , 且三角指定图标能根据显示层的大小位置来调用它的位置，达到醒目直观的效果)

jquery.cluetip.css

/* global */ #cluetip-close img { border: 0; } #cluetip-title { overflow: hidden; } #cluetip-title #cluetip-close { float: right; position: relative; } #cluetip-waitimage { width: 43px; height: 11px; position: absolute; background-image: url(../img_new/cluetipwait.gif); } .cluetip-arrows { display: none; position: absolute; top: 0; left: -11px; height: 22px; width: 11px; background-repeat: no-repeat; background-position: 0 0; } #cluetip-extra { display: none; } /*************************************** =cluetipClass: 'default' -------------------------------------- */ .cluetip-default { background-color: #d9d9c2; } .cluetip-default #cluetip-outer { position: relative; margin: 0; background-color: #d9d9c2; } .cluetip-default h3#cluetip-title { margin: 0 0 5px; padding: 8px 10px 4px; font-size: 14px; font-weight: normal; background-color: #87876a; color: #fff; } .cluetip-default #cluetip-title a { color: #d9d9c2; font-size: 0.95em; } .cluetip-default #cluetip-inner { padding: 10px; } .cluetip-default div#cluetip-close { text-align: right; margin: 0 5px 5px; color: #900; } /* default arrows */ .clue-right-default .cluetip-arrows { background-image: url(../img_new/cluetipdarrowleft.gif); } .clue-left-default .cluetip-arrows { background-image: url(../img_new/cluetipdarrowright.gif); left: 100%; margin-right: -11px; } .clue-top-default .cluetip-arrows { background-image: url(../img_new/cluetipdarrowdown.gif); top: 100%; left: 50%; margin-left: -11px; height: 11px; width: 22px; } .clue-bottom-default .cluetip-arrows { background-image: url(../img_new/cluetipdarrowup.gif); top: -11px; left: 50%; margin-left: -11px; height: 11px; width: 22px; } /*************************************** =cluetipClass: 'jtip' -------------------------------------- */ .cluetip-jtip { background-color: transparent; display:none; } .cluetip-jtip #cluetip-outer { border: 1px solid #559EF8; position: relative; background-color: #fff; } .cluetip-jtip h3#cluetip-title { margin: 0 0 5px; padding: 2px 5px; font-size: 12px; font-weight: normal; background-color: #559EF8; color: #fff; } .cluetip-jtip #cluetip-inner { padding: 0 5px 5px; display: inline-block; } .cluetip-jtip div#cluetip-close { text-align: right; margin: 0 5px 5px; color: #900; display:none; } /* jtip arrows */ .clue-right-jtip .cluetip-arrows { background-image: url(../img_new/cluetiparrowleft.gif); } .clue-left-jtip .cluetip-arrows { background-image: url(../img_new/cluetiparrowright.gif); left: 100%; margin-right: -11px; } .clue-top-jtip .cluetip-arrows { background-image: url(../img_new/cluetiparrowdown.gif); top: 100%; left: 50%; margin-left: -11px; height: 11px; width: 22px; } .clue-bottom-jtip .cluetip-arrows { background-image: url(../img_new/cluetiparrowup.gif); top: -11px; left: 50%; margin-left: -11px; height: 11px; width: 22px; } /*************************************** =cluetipClass: 'rounded' -------------------------------------- */ .cluetip-rounded { background: transparent url(../img_new/cluetipbl.gif) no-repeat 0 100%; margin-top: 10px; margin-left: 12px; } .cluetip-rounded #cluetip-outer { background: transparent url(../img_new/cluetiptl.gif) no-repeat 0 0; margin-top: -12px; } .cluetip-rounded #cluetip-title { background-color: transparent; padding: 12px 12px 0; margin: 0 -12px 0 0; position: relative; } .cluetip-rounded #cluetip-extra { position: absolute; display: block; background: transparent url(../img_new/cluetiptr.gif) no-repeat 100% 0; top: 0; right: 0; width: 12px; height: 30px; margin: -12px -12px 0 0; } .cluetip-rounded #cluetip-inner { background: url(../img_new/cluetipbr.gif) no-repeat 100% 100%; padding: 5px 12px 12px; margin: -18px -12px 0 0; position: relative; } .cluetip-rounded div#cluetip-close { text-align: right; margin: 0 5px 5px; color: #009; background: transparent; } .cluetip-rounded div#cluetip-close a { color: #777; } /* rounded arrows */ .clue-right-rounded .cluetip-arrows { background-image: url(../img_new/cluetiprarrowleft.gif); } .clue-left-rounded .cluetip-arrows { background-image: url(../img_new/cluetiprarrowright.gif); left: 100%; margin-left: 12px; } .clue-top-rounded .cluetip-arrows { background-image: url(../img_new/cluetiprarrowdown.gif); top: 100%; left: 50%; margin-left: -11px; height: 11px; width: 22px; } .clue-bottom-rounded .cluetip-arrows { background-image: url(../img_new/cluetiprarrowup.gif); top: -23px; left: 50%; margin-left: -11px; height: 11px; width: 22px; } /* stupid IE6 HasLayout hack */ .cluetip-rounded #cluetip-title, .cluetip-rounded #cluetip-inner { zoom: 1; } .float-left { float: left; margin-right: .5em; display: inline; position: relative; } .float-right { float: right; margin-left: .5em; display: inline; position: relative; }

jquery-1.3.2.min.js -- 官方网可下载，这里不再表述。(必须)

jquerycluetipLoad.js --提示层的基本参数和属性的定义。

/* Jquery 鼠标跟随提示层。 * 创建人：fooo * 创建日期：09-09-23 * 修改人： * 修改日期： * 本地字符提示示例：<span title="标题|<%=Str()%>"><a href="#" >我们的</a></span> * Ajax异步调用文件且提示示例：<ol><li><a href="#" title="评分项目明细" rel="HandlerAjax.ashx?Name=<%=Security.EncryptQueryString("我们的我我我人大")%>" >clueTip - Ajax异步提示1</a> </li></ol> * * 改变提示层宽度大小，只需在调用页加入： $.fn.cluetip.defaults.width = '100'; -根据大小调整。 */ // $.fn.cluetip.defaults.tracking = true; // $.fn.cluetip.defaults.width = 'auto'; $(document).ready(function() { //default theme $('a.title').cluetip({splitTitle: '|'}); $('a.basic').cluetip(); $('a.custom-width').cluetip({width: '200px', showTitle: false}); $('h4').cluetip({attribute: 'id', hoverClass: 'highlight'}); $('#sticky').cluetip({sticky: true, closePosition: 'title', arrows: true }); $('#examples a:eq(5)').cluetip({ hoverClass: 'highlight', sticky: true, closePosition: 'bottom', closeText: '<img src="../img_new/cluetipcross.png" alt="close" width="16" height="16" />', truncate: 60 }); $('a.load-local').cluetip({local:true, hideLocal: true, sticky: true, arrows: true, cursor: 'pointer'}); $('#clickme').cluetip({activation: 'click', sticky: true, width: 250}); $('ol:first a:last').cluetip({tracking: true}); //jTip theme $('a.jt:eq(0)').cluetip({ cluetipClass: 'jtip', arrows: true, dropShadow: false, sticky: true, mouseOutClose: true, closePosition: 'title', closeText: '<img src="../img_new/cluetipcross.png" alt="close" />' }); $('a.jt:eq(1)').cluetip({cluetipClass: 'jtip', arrows: true, dropShadow: false, hoverIntent: false}); $('span[title]').css({borderBottom: '0px solid #900'}).cluetip({splitTitle: '|', arrows: true, dropShadow: false, cluetipClass: 'jtip'}); $('a.jt:eq(2)').cluetip({ cluetipClass: 'jtip', arrows: true, dropShadow: false, height: '150px', sticky: true, positionBy: 'bottomTop' }); $('a.jt:eq(3)').cluetip({local: true, hideLocal: false}); $('a.jt:eq(4)').cluetip({ cluetipClass: 'jtip', arrows: true, dropShadow: false, onActivate: function(e) { var cb = $('#cb')[0]; return !cb || cb.checked; } }); // Rounded Corner theme $('ol.rounded a:eq(0)').cluetip({splitTitle: '|', dropShadow: false, cluetipClass: 'rounded', showtitle: false}); $('ol.rounded a:eq(1)').cluetip({cluetipClass: 'rounded', dropShadow: false, showtitle: false, positionBy: 'mouse'}); $('ol.rounded a:eq(2)').cluetip({cluetipClass: 'rounded', dropShadow: false, showtitle: false, positionBy: 'bottomTop', topOffset: 70}); $('ol.rounded a:eq(3)').cluetip({cluetipClass: 'rounded', dropShadow: false, sticky: true, ajaxCache: false, arrows: true}); $('ol.rounded a:eq(4)').cluetip({cluetipClass: 'rounded', dropShadow: false}); });

希望本文所述对大家jQuery程序设计有所帮助。