原生JS移动端实现: 下拉刷新和上滑加载

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Document</title>
    <style type="text/css">
        html,body,header,div,main,p,span,ul,li{ margin: 0; padding: 0; }
        #refreshContainer li{ background-color: #eee; margin-bottom: 1px; padding: 20px 10px; }
        .refreshText{ position: absolute; width: 100%; line-height: 50px; text-align: center; left: 0; top: 0; }
    </style>
</head>
<body>
<main>
    <p class="refreshText"></p>
    <ul id="refreshContainer">
        <li>111</li>
        <li>222</li>
        <li>333</li>
        <li>444</li>
        <li>555</li>
        <li>111</li>
        <li>222</li>
        <li>333</li>
        <li>444</li>
        <li>555</li>
        <li>111</li>
        <li>222</li>
        <li>333</li>
        <li>444</li>
        <li>555</li>
    </ul>
</main>

<script type="text/javascript">
    (function(window) {
        var _element = document.getElementById('refreshContainer'),
            _refreshText = document.querySelector('.refreshText'),
            _startPos = 0,
            _transitionHeight = 0;
        _element.addEventListener('touchstart', function(e) {
            console.log('初始位置：', e.touches[0].pageY);
            _startPos = e.touches[0].pageY;
            _element.style.position = 'relative';
            _element.style.transition = 'transform 0s';
        }, false);

        _element.addEventListener('touchmove', function(e) {
            console.log('当前位置：', e.touches[0].pageY);
            _transitionHeight = e.touches[0].pageY - _startPos;

            if (_transitionHeight > 0 && _transitionHeight < 60) {
                _refreshText.innerText = '下拉刷新';
                _element.style.transform = 'translateY('+_transitionHeight+'px)';
                if (_transitionHeight > 55) {
                    _refreshText.innerText = '释放更新';
                }
            }
        }, false);
        _element.addEventListener('touchend', function(e) {
            _element.style.transition = 'transform 0.5s ease 1s';
            _element.style.transform = 'translateY(0px)';
            _refreshText.innerText = '更新中...';
            // todo...
        }, false);
    })(window);
</script>
</body>
</html>
原生JS移动端实现: 下拉刷新 和 上滑加载

猜你喜欢

原生JS移动端实现: 下拉刷新和上滑加载
