jquery设计轮播图

css布局
 
        
            
            
            
            
            
            
        
        
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 * {
        padding: 0;
        margin: 0;
        list-style: none;
        text-decoration: none;
    }
    
    #banner {
        width: 1000px;
        height: 460px;
        overflow: hidden;
        position: relative;
        margin: 100px auto 0;
    }
    
    #imgList a {
        float: left;
        width: 100%;
        height: 100%;
    }
    
    .item {
        position: absolute;
    }
    
    .item img {
        width: 100%;
        height: 100%;
    }
    
    #icon div {
        width: 30px;
        height: 45px;
        line-height: 40px;
        font-size: 48px;
        text-align: center;
        color: #ddd;
        position: absolute;
        top: 45%;
        padding-right: 5px;
    }
    
    #icon #prev {
        right: 20px;
    }
    
    #icon #next {
        left: 10px;
    }
    
    #icon div:hover {
        background: #000;
        opacity: .4;
        color: #fff;
        border-radius: 5px;
    }
    
    #iconList {
        position: absolute;
        right: 20px;
        bottom: 10px;
    }
    
    .tab {
        float: left;
        width: 6px;
        height: 6px;
        border: 2px solid rgba(184, 178, 182, .8);
        border-radius: 100%;
        line-height: 6px;
        background: #999497;
        cursor: pointer;
        margin-right: 10px;
    }
    
    .active {
        background-color: #fff;
        border-color: #999497;
    }

js: