代码：

/*** 2014年11月13日* 提示插件*/(function ($) {    $.fn.tips = function (text) {        var divtipsstyle = "position: absolute; left: 0; top: 0; background-color: #dceaf2; padding: 3px; border: solid 1px #6dbde4; visibility: hidden; line-height:20px; ";        $("body").append("
      
       " + text + "
      
");        var divtips = $(".div-tips");        divtips.css("visibility", "visible");        var top = this.offset().top - divtips.height() - 8;        var left = this.offset().left;        divtips.css("top", top);        divtips.css("left", left);        $(document).mousemove(function (e) {            var top = e.clientY + $(window).scrollTop() - divtips.height() - 12;            var left = e.clientX;            divtips.css("top", top);            divtips.css("left", left);        });    };    $.fn.removetips = function (text) {        $(".div-tips").remove();    };})($);

效果图(鼠标移到商品上面，会在下面显示一个方形的商品详情框)：