Pemalam jQuery melaksanakan penukaran karusel imej fokus dengan dots

Pemalam jQuery melaksanakan penukaran karusel imej fokus dengan dots_jquery

WBOY

Lepaskan： 2016-05-16 15:19:26

asal

1337 orang telah melayarinya

Kod yang dikongsi kali ini ialah pemalam jQuery HovertreeImg ialah pemalam jquery untuk karusel imej Ia mudah digunakan dan boleh menetapkan saiz, kedudukan titik, dsb. Kodnya ringkas

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  <base target="_blank" />
  <meta charset="utf-8" />
  <style>#img {width:768px;height:66px;overflow:hidden}
#img img{width:100%;height:100%;}
#img #imgcontent{display:none}a{color:blue}</style>
</head>
<body>
  <div id="img">
    <a href="/h/bjaf/hovertreeimg.htm" title="Img" target="_blank"><img src="/jq/img/img.jpg" alt="Img插件" /></a>
    <div id="imgcontent">
      <a href="/h/bjaf/easysector.htm" title="HTML5百分比饼图" target="_blank"><img src="/themes/img/easysector.gif" alt="EasySector插件" /></a>
      <a href="/texiao/game/" title="见缝插针" target="_blank"><img src="/themes/img/jfcz.gif" alt="见缝插针" /></a>
     </div>
  </div>
  <div>
    <br /><br />
</div>
   
  <script src="/ziyuan/jquery/jquery-1.12.0.min.js"></script>
  <script src="/jq/hovertreeimg/jquery.img.js"></script>
  <script>
    $("#img").hovertreeimg({
      "h_circlePosition": "",//left,right,center
      "h_width": 768,
      "h_height": 66,
      "h_borderColor":"silver",
      "h_circleWidth": 14      
    });
  </script>
</body>
</html>

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jquery.img.js

/*!
* HovertreeImg(jQuery Plugin)
* version: 1.0.0
* Copyright (c) 2016 HoverTree 
*/
(function ($) {
  $.fn.hovertreeimg = function (options) {

    var settings = $.extend({
      h_time:"3000",//切换时间
      h_borderColor: "transparent",//边框颜色
      h_width: "500",//宽度
      h_height: "200",//高度
      h_circleWidth: "18",//方框边长
      h_circleColor:"silver",//圆点颜色
      h_currentCircleColor: "red",//当前圆点颜色
      h_circlePosition:"right"//圆点位置
    }, options);

    var h_hovertreeimg = $(this);
    if (h_hovertreeimg.length < 1)
      return;

    h_hovertreeimg.css({
      "position": "relative", "border":"solid 1px "+ settings.h_borderColor
      , "width": settings.h_width, "height": settings.h_height
      , "overflow": "hidden"
    })

    var h_hovertreeimgcontent = h_hovertreeimg.find(">div#hovertreeimgcontent");
    h_hovertreeimgcontent.hide();

    var h_hovertreeimgcurrent = h_hovertreeimg.find(">a");
    h_hovertreeimgcurrent.wrap("<div id='replaceframe'></div>");
    h_replaceFrame = h_hovertreeimg.find("#replaceframe").css({ "width": "100%", "height": "100%" });

    //构造圆点框
    $('<div class="hovertreeimgpoint"></div>').appendTo(h_hovertreeimg);
    var h_hovertreeimgpoint = h_hovertreeimg.find(".hovertreeimgpoint");

    h_hovertreeimgcontent.prepend(h_hovertreeimgcurrent.clone(true));//复制到总a集合
    var h_hovertreeimgitems = h_hovertreeimgcontent.children();//所有a标签集合
    var h_hovertreeimglength = h_hovertreeimgitems.length;//所有轮播项数量
    var h_isswitch = true;//是否轮播


    var h_circleWidth = parseInt(settings.h_circleWidth);

    //加边框与间隔
    var h_circleFrameWidth = (h_circleWidth + 4) * h_hovertreeimglength+2;

    
    h_hovertreeimgpoint.css({
      "height": (h_circleWidth + 4), "position": "absolute", "bottom": "0px",
      "display": "inline-block"
    })
    //设置圆点位置
    switch (settings.h_circlePosition) {
      case 'right':
        h_hovertreeimgpoint.css({
          "right": "0px"
        })
        break;
      case 'left':
        h_hovertreeimgpoint.css({
          "left": "0px"
        })
        break;
      default:
        h_hovertreeimgpoint.css({
          "left": "0px",
          "right": "0px",
          "width": h_circleFrameWidth + "px",
          "margin": "0px auto"
        })
        break;
    }

    //切换索引
    var h_hovertreeimgindex = 1;
    if (h_hovertreeimglength < 2)
      h_hovertreeimgindex = 0;

    //构造圆点
    for (var h_i = 0; h_i < h_hovertreeimglength; h_i++) {
      h_hovertreeimgpoint.append("<div hovertreeimgdata='" + h_i + "' id='hovertreeimgpoint" + h_i + "'></div>");
    }
    h_pointset = h_hovertreeimgpoint.find("div");//圆点集合
    h_pointset.css({
      "background-color": settings.h_circleColor, "width": settings.h_circleWidth
      , "height": settings.h_circleWidth
    , "border": "1px solid white"
      , "margin-left": "2px",
      "display": "inline-block",
      "border-radius": "50%"
    })
    h_pointset.eq(0).css({ "background-color": settings.h_currentCircleColor });

    
    //设置当前图片
    function imgswitch(imgindex) {
      h_replaceFrame.html(h_hovertreeimgitems.eq(imgindex));
      h_pointset.css({ "background-color": settings.h_circleColor });
      h_pointset.eq(imgindex).css({ "background-color": settings.h_currentCircleColor });
    }

    h_replaceFrame.find("img").css({
      "width": settings.h_width
      , "height": settings.h_height
    })

    //圆点操作
    h_pointset.hover(function () {
      h_isswitch = false;//光标悬停到圆点停止切换
      imgswitch($(this).attr('hovertreeimgdata'));
    }
    , function () {
      h_isswitch = true;
    }
    )

    //切换
    setInterval(function () {
      if (!h_isswitch)
        return;
      imgswitch(h_hovertreeimgindex);
      h_hovertreeimgindex = (h_hovertreeimgindex + 1) % h_hovertreeimglength;
    }, settings.h_time)

    //光标悬停到图片停止切换
    h_replaceFrame.hover(function () { h_isswitch = false; }, function () { h_isswitch = true; })

  }
}(jQuery));

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