今天给大家分享一款基于jQuery九宫格遮罩显示文字效果。图片类似windows8 图标布局，鼠标经过时，显示祥细描述。这款适用浏览器：IE8、360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗。

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实现的代码。

html代码：

<dl class="sgw_img">
        <dt>
            <img src="images/t1.png" width="315" height="382" />
            <div class="box">
                <h3>
                    揭秘化妆水四大隐藏功效</h3>
                <p>
                    介绍...</p>
                <a href="http://www.w2bc.com/">查看详细</a>
            </div>
        </dt>
        <div class="sgw_img_dd1">
            <dd>
                <img src="images/t2.png" width="196" height="125" />
                <div class="box">
                    <h3>
                        标题</h3>
                    <p>
                        介绍...</p>
                    <a href="http://www.w2bc.com/">查看详细</a>
                </div>
            </dd>
            <dd id="dd2">
                <img src="images/t3.png" width="196" height="126" />
                <div class="box">
                    <h3>
                        标题</h3>
                    <p>
                        介绍...</p>
                    <a href="http://www.w2bc.com/">查看详细</a>
                </div>
            </dd>
            <dd>
                <img src="images/t4.png" width="196" height="125" />
                <div class="box">
                    <h3>
                        标题</h3>
                    <p>
                        介绍...</p>
                    <a href="http://www.w2bc.com/">查看详细</a>
                </div>
            </dd>
        </div>
        <div class="sgw_img_dd2">
            <dd id="dd5">
                <img src="images/t5.png" width="284" height="172" />
                <div class="box">
                    <h3>
                        标题</h3>
                    <p>
                        介绍...</p>
                    <a href="http://www.w2bc.com/">查看详细</a>
                </div>
            </dd>
            <dd id="dd3">
                <img src="images/t6.png" width="176" height="172" />
                <div class="box">
                    <h3>
                        标题</h3>
                    <p>
                        介绍...</p>
                    <a href="http://www.w2bc.com/">查看详细</a>
                </div>
            </dd>
            <dd>
                <img src="images/t7.png" width="152" height="207" />
                <div class="box">
                    <h3>
                        标题</h3>
                    <p>
                        介绍...</p>
                    <a href="http://www.w2bc.com/">查看详细</a>
                </div>
            </dd>
            <dd>
                <img src="images/t8.jpg" width="152" height="207" />
                <div class="box">
                    <h3>
                        标题</h3>
                    <p>
                        介绍...</p>
                    <a href="http://www.w2bc.com/">查看详细</a>
                </div>
            </dd>
            <dd id="dd4">
                <img src="images/t9.png" width="152" height="207" />
                <div class="box">
                    <h3>
                        标题</h3>
                    <p>
                        介绍...</p>
                    <a href="http://www.w2bc.com/">查看详细</a>
                </div>
            </dd>
        </div>
    </dl>

css3代码：

*
        {
            margin: 0;
            padding: 0;
            list-style-type: none;
        }
        a, img
        {
            border: 0;
        }
        body
        {
            color: #898989;
            font: 12px/180% Arial, Helvetica, sans-serif, "新宋体";
        }
        a
        {
            color: #898989;
            text-decoration: none;
        }
        a:hover
        {
            cursor: pointer;
            color: #9f8054;
        }
        /* sgw_img */
        .sgw_img
        {
            width: 981px;
            height: 382px;
            overflow: hidden;
            border: 1px solid #dcdcdc;
            padding: 3px;
            margin: 40px auto 0 auto;
        }
        .sgw_img dt
        {
            margin-right: 3px;
            float: left;
            display: inline;
            width: 315px;
            height: 382px;
            position: relative;
            overflow: hidden;
        }
        .sgw_img dd
        {
            float: left;
            position: relative;
            overflow: hidden;
        }
        
        .sgw_img_dd1
        {
            width: 196px;
            height: 382px;
            float: left;
            margin-right: 3px;
            display: inline;
        }
        .sgw_img_dd1 dd
        {
            height: 125px;
            overflow: hidden;
            float: left;
        }
        .sgw_img_dd1 #dd2
        {
            margin: 3px 0px 4px 0;
        }
        
        .sgw_img_dd2
        {
            float: left;
            width: 464px;
            height: 382px;
            overflow: hidden;
        }
        .sgw_img_dd2 dd
        {
            margin-right: 3px;
            height: 207px;
            overflow: hidden;
            display: inline;
        }
        .sgw_img_dd2 dd#dd3, .sgw_img_dd2 dd#dd4
        {
            margin: 0;
        }
        .sgw_img_dd2 dd#dd3, .sgw_img_dd2 dd#dd5
        {
            margin-bottom: 3px;
            height: 172px;
        }
        
        .box
        {
            width: 100%;
            height: 100%;
            background: url(images/sgw_bg.jpg) no-repeat left top #020000;
            position: absolute;
            left: 0;
            line-height: 18px;
            color: #e69714;
            top: -382px;
            filter: alpha(Opacity=80);
            -moz-opacity: 0.8;
            opacity: 0.8;
            text-align: center;
            padding-top: 30px;
        }
        .box h3
        {
            color: #fff;
            font-size: 14px;
            font-weight: bold;
        }
        .box a
        {
            display: block;
            margin-top: 5px;
        }
        .sgw_img dt .box
        {
            padding-top: 100px;
            top: -482px;
        }

js代码：

  $(function () {
            $('.sgw_img dt').hover(function () {
                $(this).children('.box').stop(true, true).delay(100).animate({ 'top': 0, opacity: 0.8 }, 300);
            }, function () {
                $(this).children('.box').stop(true, true).animate({ 'top': -482, opacity: 0 }, 200);
            })
            $('.sgw_img dd').hover(function () {
                $(this).children('.box').stop(true, true).delay(100).animate({ 'top': 0, opacity: 0.8 }, 300);
            }, function () {
                $(this).children('.box').stop(true, true).animate({ 'top': -382, opacity: 0 }, 200);
            })
        })

via：http://www.w2bc.com/Article/19355

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