JS 代码

function $(id) {
  return document.getElementById(id);
}
//缓动轮播图
var fhTimer;
var fhNum = 0;
var barNum = 0;
fhTimer = setInterval(marquee, 20);
function marquee() {
  fhNum--;
  barNum = fhNum;
  if (fhNum < -2400) {
    fhNum = 0;
  }
  $("fhc_ul").style.left = fhNum + "px";
  if (fhNum < -2400) {
    barNum = fhNum + 2400;
  }
  $("fhc_dBar").style.left = -(barNum / 2.75) + "px";
}
$("fhcShow").onmouseover = function () {
  $("fhc_d_box").style.display = "block";
  clearInterval(fhTimer);
};
$("fhc_d_box").onmouseover = function () {
  $("fhc_d_box").style.display = "block";
};
$("fhcShow").onmouseout = function () {
  $("fhc_d_box").style.display = "none";
  fhTimer = setInterval(marquee, 20);
};
//鼠标悬浮在标题也在暂停滚动
$("fhTit").onmouseover = function () {
  clearInterval(fhTimer);
};
$("fhTit").onmouseout = function () {
  fhTimer = setInterval(marquee, 20);
};
//滑块
$("fhc_dBar").onmousedown = function (event) {
  var event = event || window.event;
  var leftValue = event.clientX - this.offsetLeft;
  document.onmousemove = function (event) {
    var evt = event || window.event;
    var locationX = evt.clientX - leftValue;
    if (locationX < 0) {
      locationX = 0;
    } else if (locationX > 960 - 99) {
      locationX = 960 - 99;
    }
    $("fhc_dBar").style.left = locationX + "px";
    fhNum = -locationX * 2.75;
    //如果选中了，就取消选中，防止出现bug
    window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty();
  };
  document.onmouseup = function () {
    document.onmousemove = null; //取消注册的这个事件
  };
};

HTML 代码

<div class="fxhh_ctt">
  <div class="fh_c_show" id="fhcShow">
    <ul class="fh_c_under" id="fhc_ul">
      <li>
        <a href=" ">
          <p class="topTit">商品1</p>
          <img src="" alt="" />
        </a>
      </li>
      <li>
        <a href=" ">
          <img src="" alt="" />
          <p class="botTit">商品2</p>
        </a>
      </li>
      <li>
        <a href=" ">
          <p class="topTit">商品3</p>
          <img src="" alt="" />
        </a>
      </li>
      <li>
        <a href=" ">
          <img src="" alt="" />
          <p class="botTit">商品4</p>
        </a>
      </li>
      <li>
        <a href=" ">
          <p class="topTit">商品5</p>
          <img src="" alt="" />
        </a>
      </li>
      <li>
        <a href=" ">
          <img src="" alt="" />
          <p class="botTit">商品6</p>
        </a>
      </li>
      <li>
        <a href=" ">
          <p class="topTit">商品7</p>
          <img src="" alt="" />
        </a>
      </li>
      <li>
        <a href=" ">
          <img src="" alt="" />
          <p class="botTit">商品8</p>
        </a>
      </li>
      <li>
        <a href=" ">
          <p class="topTit">商品9</p>
          <img src="" alt="" />
        </a>
      </li>
      <li>
        <a href=" ">
          <img src="" alt="" />
          <p class="botTit">商品10</p>
        </a>
      </li>
      <li>
        <a href=" ">
          <p class="topTit">商品11</p>
          <img src="" alt="" />
        </a>
      </li>
      <li>
        <a href=" ">
          <img src="" alt="" />
          <p class="botTit">商品12</p>
        </a>
      </li>
      <li>
        <a href=" ">
          <p class="topTit">商品1</p>
          <img src="" alt="" />
        </a>
      </li>
      <li>
        <a href=" ">
          <img src="" alt="" />
          <p class="botTit">商品2</p>
        </a>
      </li>
      <li>
        <a href=" ">
          <p class="topTit">商品3</p>
          <img src="" alt="" />
        </a>
      </li>
      <li>
        <a href=" ">
          <img src="" alt="" />
          <p class="botTit">商品4</p>
        </a>
      </li>
      <li>
        <a href=" ">
          <p class="topTit">商品5</p>
          <img src="" alt="" />
        </a>
      </li>
    </ul>
  </div>
  <!-- 滑块 -->
  <div class="fhc_box" id="fhc_d_box">
    <div class="fhc_drop" id="fhc_dBar"></div>
  </div>
  <!-- 滑块end -->
</div>

CSS 代码

.fxhh .fxhh_ctt {
  width: 990px;
  background-color: #fff;
  float: left;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under img {
  width: 150px;
  height: 150px;
}
.fxhh .fxhh_ctt .fh_c_show {
  width: 990px;
  height: 260px;
  background-color: #fff;
  overflow: hidden;
  position: relative;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under {
  width: 2000%;
  position: absolute;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under li {
  float: left;
  text-align: center;
  width: 150px;
  height: 180px;
  margin-top: 40px;
  margin-right: 50px;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under li .topTit {
  margin-bottom: 10px;
}
.fxhh .fxhh_ctt .fh_c_show .fh_c_under li .botTit {
  margin-top: 10px;
}
.fxhh .fxhh_ctt .fhc_box {
  display: none;
  width: 960px;
  height: 4px;
  background-color: #f3f3f3;
  margin: 0 auto;
  position: absolute;
  top: 250px;
  left: 210px;
}
.fxhh .fxhh_ctt .fhc_drop {
  width: 99px;
  height: 9px;
  border-radius: 4px;
  background-color: #d8d8d8;
  position: absolute;
  top: -3px;
}