iscroll实现下拉刷新功能

程序员文章站 2023-09-08 20:35:20

本文实例为大家分享了android九宫格图片展示的具体代码，供大家参考，具体内容如下版本号：iscroll4.2.5.js iscroll 版本很有关系 ...

本文实例为大家分享了android九宫格图片展示的具体代码，供大家参考，具体内容如下

版本号：iscroll4.2.5.js

iscroll 版本很有关系在线： demo链接有出现白屏的bug,将iscroll版本改成iscroll4.2.5就可以了

html

<!doctype html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<title>iscroll demo: simple</title>

<script type="text/javascript" src="../../src/iscroll.js"></script>

<script type="text/javascript">

var myscroll,
  pulldownel, pulldownoffset,
  pullupel, pullupoffset,
  generatedcount = 0;

function pulldownaction () {
  settimeout(function () {  // <-- simulate network congestion, remove settimeout from production!
    var el, li, i;
    el = document.getelementbyid('thelist');

    for (i=0; i<3; i++) {
      li = document.createelement('li');
      li.innertext = 'generated row ' + (++generatedcount);
      el.insertbefore(li, el.childnodes[0]);
    }
    
    myscroll.refresh();    // remember to refresh when contents are loaded (ie: on ajax completion)
  }, 1000);  // <-- simulate network congestion, remove settimeout from production!
}

function pullupaction () {
  settimeout(function () {  // <-- simulate network congestion, remove settimeout from production!
    var el, li, i;
    el = document.getelementbyid('thelist');

    for (i=0; i<3; i++) {
      li = document.createelement('li');
      li.innertext = 'generated row ' + (++generatedcount);
      el.appendchild(li, el.childnodes[0]);
    }
    
    myscroll.refresh();    // remember to refresh when contents are loaded (ie: on ajax completion)
  }, 1000);  // <-- simulate network congestion, remove settimeout from production!
}

function loaded() {
  pulldownel = document.getelementbyid('pulldown');
  pulldownoffset = pulldownel.offsetheight;
  pullupel = document.getelementbyid('pullup');  
  pullupoffset = pullupel.offsetheight;
  
  myscroll = new iscroll('wrapper', {
    usetransition: true,
    topoffset: pulldownoffset,
    onrefresh: function () {
      if (pulldownel.classname.match('loading')) {
        pulldownel.classname = '';
        pulldownel.queryselector('.pulldownlabel').innerhtml = 'pull down to refresh...';
      } else if (pullupel.classname.match('loading')) {
        pullupel.classname = '';
        pullupel.queryselector('.pulluplabel').innerhtml = 'pull up to load more...';
      }
    },
    onscrollmove: function () {
      if (this.y > 5 && !pulldownel.classname.match('flip')) {
        pulldownel.classname = 'flip';
        pulldownel.queryselector('.pulldownlabel').innerhtml = 'release to refresh...';
        this.minscrolly = 0;
      } else if (this.y < 5 && pulldownel.classname.match('flip')) {
        pulldownel.classname = '';
        pulldownel.queryselector('.pulldownlabel').innerhtml = 'pull down to refresh...';
        this.minscrolly = -pulldownoffset;
      } else if (this.y < (this.maxscrolly - 5) && !pullupel.classname.match('flip')) {
        pullupel.classname = 'flip';
        pullupel.queryselector('.pulluplabel').innerhtml = 'release to refresh...';
        this.maxscrolly = this.maxscrolly;
      } else if (this.y > (this.maxscrolly + 5) && pullupel.classname.match('flip')) {
        pullupel.classname = '';
        pullupel.queryselector('.pulluplabel').innerhtml = 'pull up to load more...';
        this.maxscrolly = pullupoffset;
      }
    },
    onscrollend: function () {
      if (pulldownel.classname.match('flip')) {
        pulldownel.classname = 'loading';
        pulldownel.queryselector('.pulldownlabel').innerhtml = 'loading...';        
        pulldownaction();  // execute custom function (ajax call?)
      } else if (pullupel.classname.match('flip')) {
        pullupel.classname = 'loading';
        pullupel.queryselector('.pulluplabel').innerhtml = 'loading...';        
        pullupaction();  // execute custom function (ajax call?)
      }
    }
  });
  
  settimeout(function () { document.getelementbyid('wrapper').style.left = '0'; }, 800);
}

document.addeventlistener('touchmove', function (e) { e.preventdefault(); }, false);

document.addeventlistener('domcontentloaded', function () { settimeout(loaded, 200); }, false);
</script>

<style type="text/css" media="all">
body,ul,li {
  padding:0;
  margin:0;
  border:0;
}

body {
  font-size:12px;
  -webkit-user-select:none;
  -webkit-text-size-adjust:none;
  font-family:helvetica;
}

#header {
  position:absolute; z-index:2;
  top:0; left:0;
  width:100%;
  height:45px;
  line-height:45px;
  background-color:#d51875;
  background-image:-webkit-gradient(linear, 0 0, 0 100%, color-stop(0, #fe96c9), color-stop(0.05, #d51875), color-stop(1, #7b0a2e));
  background-image:-moz-linear-gradient(top, #fe96c9, #d51875 5%, #7b0a2e);
  background-image:-o-linear-gradient(top, #fe96c9, #d51875 5%, #7b0a2e);
  padding:0;
  color:#eee;
  font-size:20px;
  text-align:center;
}

#header a {
  color:#f3f3f3;
  text-decoration:none;
  font-weight:bold;
  text-shadow:0 -1px 0 rgba(0,0,0,0.5);
}

#footer {
  position:absolute; z-index:2;
  bottom:0; left:0;
  width:100%;
  height:48px;
  background-color:#222;
  background-image:-webkit-gradient(linear, 0 0, 0 100%, color-stop(0, #999), color-stop(0.02, #666), color-stop(1, #222));
  background-image:-moz-linear-gradient(top, #999, #666 2%, #222);
  background-image:-o-linear-gradient(top, #999, #666 2%, #222);
  padding:0;
  border-top:1px solid #444;
}

#wrapper {
  position:absolute; z-index:1;
  top:45px; bottom:48px; left:-9999px;
  width:100%;
  background:#aaa;
  overflow:auto;
}

#scroller {
  position:absolute; z-index:1;
/*  -webkit-touch-callout:none;*/
  -webkit-tap-highlight-color:rgba(0,0,0,0);
  width:100%;
  padding:0;
}

#scroller ul {
  list-style:none;
  padding:0;
  margin:0;
  width:100%;
  text-align:left;
}

#scroller li {
  padding:0 10px;
  height:40px;
  line-height:40px;
  border-bottom:1px solid #ccc;
  border-top:1px solid #fff;
  background-color:#fafafa;
  font-size:14px;
}

#myframe {
  position:absolute;
  top:0; left:0;
}



/**
 *
 * pull down styles
 *
 */
#pulldown, #pullup {
  background:#fff;
  height:40px;
  line-height:40px;
  padding:5px 10px;
  border-bottom:1px solid #ccc;
  font-weight:bold;
  font-size:14px;
  color:#888;
}
#pulldown .pulldownicon, #pullup .pullupicon {
  display:block; float:left;
  width:40px; height:40px;
  background:url(pull-icon@2x.png) 0 0 no-repeat;
  -webkit-background-size:40px 80px; background-size:40px 80px;
  -webkit-transition-property:-webkit-transform;
  -webkit-transition-duration:250ms;  
}
#pulldown .pulldownicon {
  -webkit-transform:rotate(0deg) translatez(0);
}
#pullup .pullupicon {
  -webkit-transform:rotate(-180deg) translatez(0);
}

#pulldown.flip .pulldownicon {
  -webkit-transform:rotate(-180deg) translatez(0);
}

#pullup.flip .pullupicon {
  -webkit-transform:rotate(0deg) translatez(0);
}

#pulldown.loading .pulldownicon, #pullup.loading .pullupicon {
  background-position:0 100%;
  -webkit-transform:rotate(0deg) translatez(0);
  -webkit-transition-duration:0ms;

  -webkit-animation-name:loading;
  -webkit-animation-duration:2s;
  -webkit-animation-iteration-count:infinite;
  -webkit-animation-timing-function:linear;
}

@-webkit-keyframes loading {
  from { -webkit-transform:rotate(0deg) translatez(0); }
  to { -webkit-transform:rotate(360deg) translatez(0); }
}

</style>
</head>
<body>

<div id="header"><a href="http://cubiq.org/iscroll" rel="external nofollow" >iscroll</a></div>
<div id="wrapper">
  <div id="scroller">
    <div id="pulldown">
      <span class="pulldownicon"></span><span class="pulldownlabel">pull down to refresh...</span>
    </div>

    <ul id="thelist">
      <li>pretty row 1</li>
      <li>pretty row 2</li>
      <li>pretty row 3</li>
      <li>pretty row 4</li>
      <li>pretty row 5</li>
      <li>pretty row 6</li>
      <li>pretty row 7</li>
      <li>pretty row 8</li>
      <li>pretty row 9</li>
      <li>pretty row 10</li>
      <li>pretty row 11</li>
      <li>pretty row 12</li>
      <li>pretty row 13</li>
      <li>pretty row 14</li>
      <li>pretty row 15</li>
      <li>pretty row 16</li>
      <li>pretty row 17</li>
      <li>pretty row 18</li>
      <li>pretty row 19</li>
      <li>pretty row 20</li>
      <li>pretty row 21</li>
      <li>pretty row 22</li>
      <li>pretty row 23</li>
      <li>pretty row 24</li>
      <li>pretty row 25</li>
      <li>pretty row 26</li>
      <li>pretty row 27</li>
      <li>pretty row 28</li>
      <li>pretty row 29</li>
      <li>pretty row 30</li>
      <li>pretty row 31</li>
      <li>pretty row 32</li>
      <li>pretty row 33</li>
      <li>pretty row 34</li>
      <li>pretty row 35</li>
      <li>pretty row 36</li>
      <li>pretty row 37</li>
      <li>pretty row 38</li>
      <li>pretty row 39</li>
      <li>pretty row 40</li>
    </ul>
    <div id="pullup">
      <span class="pullupicon"></span><span class="pulluplabel">pull up to refresh...</span>
    </div>
  </div>
</div>
<div id="footer"></div>

</body>
</html>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。

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