2019-01-22jQ实现轮播图

不墨迹,直接看代码注释




    
    




css代码:

.container {
    position: absolute;
    top: 100px;
    left: 100px;
    width: 600px;
    height: 270px; 
}
/*使用绝对定位,使全部图片叠加到一块*/
.box, .box img {
    position: absolute;
    top: 0;
    left: 0;
}
/*下面小圆点,使用绝对定位,位于图片的正下方*/
.circle {
    width: 200px;
    height: 14px;
    position: absolute;
    bottom: 15px;
    left: 50%;
    margin-left: -100px;
    text-align: center;
    cursor: pointer;
}
/*每个小圆点的样式*/
.circle b {
    display: inline-block;
    width: 14px;
    height: 14px;
    background-color: #000;
    border-radius: 50%;
    margin: 3px;
}
/*小圆点的当前样式,也是鼠标移上去的样式*/
.circle .current {
    background-color: #fff;
}
/*左右两侧的按钮,采用绝对定位*/
.btn {
    position: absolute;
    top: 50%;
    width: 40px;
    height: 50px;
    margin-top: -25px;
    background-color: rgba(255, 255, 255, .7);
    text-align: center;
    line-height: 50px;
    font-size: 50px;
    cursor: pointer;
}
.left {
    position: absolute;
    top: 100px;
    width: 30px;
    height: 30px;
    left: 0;
    color: red;
    background-color: #fff;

}
.right {
    position: absolute;
    top: 100px;
    width: 30px;
    height: 30px;
    right: 0;
    color:red;
    background-color: #fff;

}

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