自适应分辨率导航切换效果

作者: 废弃的种子 | 来源:发表于2022-10-15 20:34 被阅读0次

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2018-07-28
tab切换效果（点击导航切换显示内容）

image.png

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      * {
        margin: 0;
        padding: 0;
        font-size: 12px;
      }

      ul {
        list-style: none;
      }

      .slider {
        /* width: 760px; */
        width: 80%;
        border: 1px #708090 solid;
        padding: 10px 20px;
        height: 130px;
        margin: 100px auto;
        position: relative;
        cursor: pointer;
        min-width: 620px;
      }

      #slider_pic {
        /* width: 630px; */
        /* width: 70%; */
        min-width: 500px;
        margin: 0 auto;
        overflow: hidden;
        height: 130px;
        position: relative;
        background-color: #daa520;
      }

      .prev,
      .next {
        position: absolute;
        width: 20px;
        height: 20px;
        cursor: pointer;
        top: 60px;
        background-color: #daa520;
        text-align: center;
        line-height: 20px;
        font-weight: bold;
        color: #fff;
        user-select: none;
        display: none;
      }

      .next {
        right: 2%;
      }

      .no_click {
        background-color: #808080;
      }

      #slider_pic li {
        float: left;
        margin-right: 10px;
        border: 1px solid red;
      }

      #slider_pic ul {
        position: absolute;
        left: 0;
      }
      #slider_pic ul li img {
        width: 100px;
        height: 130px;
      }
    </style>
  </head>

  <body>
    <div class="slider">
      <span class="prev" id="prev"><<</span>
      <span class="next" id="next">>></span>
      <div id="slider_pic">
        <ul>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/1231571400_-1521539850.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/1150988978_1109774436.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/1231571400_-1521539850.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/1231571400_-1521539850.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/1231571400_-1521539850.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/1231571400_-1521539850.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/257742608_1593433674.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/257742608_1593433674.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/257742608_1593433674.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/257742608_1593433674.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
          <li>
            <img
              src="https://ms.bdimg.com/pacific/0/pic/257742608_1593433674.png?x=0&y=0&h=150&w=242&vh=150.00&vw=242.00&oh=150.00&ow=242.00"
            />
          </li>
        </ul>
      </div>
    </div>
  </body>
</html>

<script src="./jquery1.42.min.js"></script>
<script>
  $(function () {
    var oPic = $("#slider_pic").find("ul");
    var oImg = oPic.find("li");
    var oLen = oImg.length + 1;
    var oLi = oImg.width();
    var prev = $("#prev");
    var next = $("#next");
    var emptyDiv = 3; //填补
    var itemWidth = 100; //一个item的宽度
    oPic.width(oLen * itemWidth); //计算总长度
    var iNow = 0;
    var iTimer = null;
    prev.click(function () {
      if (iNow > 0) {
        iNow--;
      }
      ClickScroll();
    });
    next.click(function () {
      if (iNow < oLen - emptyDiv) {
        iNow++;
      }
      ClickScroll();
    });

    function ClickScroll() {
      // iNow == 0 ? prev.addClass("no_click") : prev.removeClass("no_click");
      // iNow == oLen - emptyDiv
      //   ? next.addClass("no_click")
      //   : next.removeClass("no_click");
      oPic.animate({
        left: -iNow * itemWidth,
      });
    }
    function getCompareWidth() {
      // 箭头的显示与隐藏(item总宽度大于可视区域宽度时)
      if (oPic.width() >= $("#slider_pic").width()) {
        $(".prev").css({ display: "block" });
        $(".next").css({ display: "block" });
      } else {
        $(".prev").css({ display: "none" });
        $(".next").css({ display: "none" });
      }
      //设置可视区域的宽度
      $("#slider_pic").css({ width: 80 + "%" });
      //不同分辨率下，边界值
      emptyDiv = ($("#slider_pic").width() / itemWidth).toFixed() * 1;
    }
    // 获取分辨率
    getCompareWidth();
    window.onresize = function (e) {
      getCompareWidth();
    };
  });
</script>