javascript淘宝评星简版


【实例演示】

  你对我人品的评价:

  【程序源码】

  这个效果主要体现在CSS和javascript的配合上

  CSS代码

ul, li {margin: 0; padding: 0; border: 0;}
.shop-rating {
    height: 25px;
    overflow: hidden;
    zoom: 1;
    padding: 2px 0;
    position: relative;
    z-index: 999;
    font:12px Arial;
    color:#000;
    line-height:1.2em
}
.shop-rating span {
    height: 23px;
    display: block;
    line-height: 23px;
    float: left;
}
.shop-rating span.title {
    width: 125px;
    text-align: right;
    margin-right: 5px;
}
.shop-rating ul {
    float: left;
}
.shop-rating .result {
    margin-left: 20px;
    padding-top: 2px;
}
.shop-rating .result span {
    color: #ff6d02;
}
.rating-level,
.rating-level a {
     background: url(http://images.cnblogs.com/cnblogs_com/bluedream2009/201609/o_star.png) no-repeat scroll 1000px 1000px;
}
.rating-level {
    background-position: 0px 0px;
    width: 120px;
    height: 23px;
    position: relative;
    z-index: 1000;
}
.shop-rating .result em {
    color: #f60;
    font-family: arial;
    font-weight: bold;
}
.rating-level li {
    display: inline;
}
.rating-level a {
    line-height: 23px;
    height: 23px;
    position: absolute;
    top: 0px;
    left: 0px;
    text-indent: -999em;
    *zoom: 1;
    outline: none;
}
.rating-level a.one-star {
    width: 20%;
    z-index: 6;
}
.rating-level a.two-stars {
    width: 40%;
    z-index: 5;
}
.rating-level a.three-stars {
    width: 60%;
    z-index: 4;
}
.rating-level a.four-stars {
    width: 80%;
    z-index: 3;
}
.rating-level a.five-stars {
    width: 100%;
    z-index: 2;
}
.rating-level .current-rating, .rating-level a:hover {background-position:0 -28px}
.rating-level a.one-star:hover,.rating-level a.two-stars:hover,.rating-level a.one-star.current-rating,.rating-level a.two-stars.current-rating{background-position:0 -116px;}
.rating-level .three-stars .current-rating,.rating-level .four-stars .current-rating,.rating-level .five-stars .current-rating{background-position:0 -28px;}

HTML结构

<div class="shop-rating">
    <span class="title">你对我人品的评价:</span>
    <ul class="rating-level" id="stars2">
        <li><a href="javascript:void(0);" class="one-star" star:value="20">20</a></li>
        <li><a href="javascript:void(0);" class="two-stars" star:value="40">40</a></li>
        <li><a href="javascript:void(0);" class="three-stars" star:value="60">60</a></li>
        <li><a href="javascript:void(0);" class="four-stars" star:value="80">80</a></li>
        <li><a href="javascript:void(0);" class="five-stars" star:value="100">100</a></li>
    </ul>
    <span id="stars2-tips" class="result"></span>
    <input type="hidden" id="stars2-input" name="b" value="" size="2" />
</div>

  Javascript代码

var TB = function() {
    var T{$selection}nbsp;= function(id) { return document.getElementById(id) }
    var T$ = function(r, t) { return (r || document).getElementsByTagName(t) }
    var Stars = function(cid, rid, hid, config) {
            var lis = T$(T$(cid), 'li'), curA;
            for (var i = 0, len = lis.length; i < len; i++) {
                lis[i]._val = i;
                lis[i].onclick = function() {
                    T$(rid).innerHTML = '<em>' + (T$(hid).value = T$(this, 'a')[0].getAttribute('star:value')) + '分</em> - ' + config.info[this._val];
                    curA = T$(T$(cid), 'a')[T$(hid).value / config.step - 1];
                };
                lis[i].onmouseout = function() {
                    curA && (curA.className += config.curcss);
                }
                lis[i].onmouseover = function() {
                    curA && (curA.className = curA.className.replace(config.curcss, ''));
                }
            } 
    };
    return {Stars: Stars}
}().Stars('stars2', 'stars2-tips', 'stars2-input', {
            'info' : ['人品极差', '人品不咋地', '人品一般吧', '人品不错', '人品极好啊'],
            'curcss': ' current-rating',
            'step': 20
        });

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