使用iscroll插件实现下拉刷新功能
1 <!DOCTYPE html>
2 <html>
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
5 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
6 <meta name="apple-mobile-web-app-capable" content="yes">
7 <meta name="apple-mobile-web-app-status-bar-style" content="black">
8 <title>html5+css3实现上拉和下拉刷新</title>
9
10 <script type="text/javascript" src="http://statics.webkfa.com/js/iscroll.js"></script>
11
12 <script type="text/javascript">
13
14 var myScroll,
15 pullDownEl,
16 pullDownOffset,
17 pullUpEl,
18 pullUpOffset,
19 generatedCount = 0;
20
21 function pullDownAction () {
22 setTimeout(function () { // <-- Simulate network congestion, remove setTimeout from production!
23 var el, li, i;
24 el = document.getElementById('thelist');
25
26 for (i=0; i<3; i++) {
27 li = document.createElement('li');
28 li.innerText = 'Generated row ' + (++generatedCount);
29 el.insertBefore(li, el.childNodes[0]);
30 }
31
32 myScroll.refresh(); // Remember to refresh when contents are loaded (ie: on ajax completion)
33 }, 1000); // <-- Simulate network congestion, remove setTimeout from production!
34 }
35
36 function pullUpAction () {
37 setTimeout(function () { // <-- Simulate network congestion, remove setTimeout from production!
38 var el, li, i;
39 el = document.getElementById('thelist');
40
41 for (i=0; i<3; i++) {
42 li = document.createElement('li');
43 li.innerText = 'Generated row ' + (++generatedCount);
44 el.appendChild(li, el.childNodes[0]);
45 }
46
47 myScroll.refresh(); // Remember to refresh when contents are loaded (ie: on ajax completion)
48 }, 1000); // <-- Simulate network congestion, remove setTimeout from production!
49 }
50
51 function loaded() {
52 pullDownEl = document.getElementById('pullDown');
53 pullDownOffset = pullDownEl.offsetHeight;
54 pullUpEl = document.getElementById('pullUp');
55 pullUpOffset = pullUpEl.offsetHeight;
56
57 myScroll = new iScroll('wrapper', {
58 useTransition: true,
59 topOffset: pullDownOffset,
60 onRefresh: function () {
61 if (pullDownEl.className.match('loading')) {
62 pullDownEl.className = '';
63 pullDownEl.querySelector('.pullDownLabel').innerHTML = 'Pull down to refresh...';
64 } else if (pullUpEl.className.match('loading')) {
65 pullUpEl.className = '';
66 pullUpEl.querySelector('.pullUpLabel').innerHTML = 'Pull up to load more...';
67 }
68 },
69 onScrollMove: function () {
70 if (this.y > 5 && !pullDownEl.className.match('flip')) {
71 pullDownEl.className = 'flip';
72 pullDownEl.querySelector('.pullDownLabel').innerHTML = 'Release to refresh...';
73 this.minScrollY = 0;
74 } else if (this.y < 5 && pullDownEl.className.match('flip')) {
75 pullDownEl.className = '';
76 pullDownEl.querySelector('.pullDownLabel').innerHTML = 'Pull down to refresh...';
77 this.minScrollY = -pullDownOffset;
78 } else if (this.y < (this.maxScrollY - 5) && !pullUpEl.className.match('flip')) {
79 pullUpEl.className = 'flip';
80 pullUpEl.querySelector('.pullUpLabel').innerHTML = 'Release to refresh...';
81 this.maxScrollY = this.maxScrollY;
82 } else if (this.y > (this.maxScrollY + 5) && pullUpEl.className.match('flip')) {
83 pullUpEl.className = '';
84 pullUpEl.querySelector('.pullUpLabel').innerHTML = 'Pull up to load more...';
85 this.maxScrollY = pullUpOffset;
86 }
87 },
88 onScrollEnd: function () {
89 if (pullDownEl.className.match('flip')) {
90 pullDownEl.className = 'loading';
91 pullDownEl.querySelector('.pullDownLabel').innerHTML = 'Loading...';
92 pullDownAction(); // Execute custom function (ajax call?)
93 } else if (pullUpEl.className.match('flip')) {
94 pullUpEl.className = 'loading';
95 pullUpEl.querySelector('.pullUpLabel').innerHTML = 'Loading...';
96 pullUpAction(); // Execute custom function (ajax call?)
97 }
98 }
99 });
100
101 setTimeout(function () { document.getElementById('wrapper').style.left = '0'; }, 800);
102 }
103
104 document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false);
105
106 document.addEventListener('DOMContentLoaded', function () { setTimeout(loaded, 200); }, false);
107 </script>
108
109 <style type="text/css" media="all">
110 body,ul,li {
111 padding:0;
112 margin:0;
113 border:0;
114 }
115
116 body {
117 font-size:12px;
118 -webkit-user-select:none;
119 -webkit-text-size-adjust:none;
120 font-family:helvetica;
121 }
122
123 #header {
124 position:absolute; z-index:2;
125 top:0; left:0;
126 width:100%;
127 height:45px;
128 line-height:45px;
129 background-color:#d51875;
130 background-image:-webkit-gradient(linear, 0 0, 0 100%, color-stop(0, #fe96c9), color-stop(0.05, #d51875), color-stop(1, #7b0a2e));
131 background-image:-moz-linear-gradient(top, #fe96c9, #d51875 5%, #7b0a2e);
132 background-image:-o-linear-gradient(top, #fe96c9, #d51875 5%, #7b0a2e);
133 padding:0;
134 color:#eee;
135 font-size:20px;
136 text-align:center;
137 }
138
139 #header a {
140 color:#f3f3f3;
141 text-decoration:none;
142 font-weight:bold;
143 text-shadow:0 -1px 0 rgba(0,0,0,0.5);
144 }
145
146 #footer {
147 position:absolute; z-index:2;
148 bottom:0; left:0;
149 width:100%;
150 height:48px;
151 padding: 0px; line-height: 1.5 !important;">;
152 background-image:-webkit-gradient(linear, 0 0, 0 100%, color-stop(0, #999), color-stop(0.02, #666), color-stop(1, #222));
153 background-image:-moz-linear-gradient(top, #999, #666 2%, #222);
154 background-image:-o-linear-gradient(top, #999, #666 2%, #222);
155 padding:0;
156 border-top:1px solid #444;
157 }
158
159 #wrapper {
160 position:absolute; z-index:1;
161 top:45px; bottom:48px; left:-9999px;
162 width:100%;
163 background:#aaa;
164 overflow:auto;
165 }
166
167 #scroller {
168 position:absolute; z-index:1;
169 /* -webkit-touch-callout:none;*/
170 -webkit-tap-highlight-color:rgba(0,0,0,0);
171 width:100%;
172 padding:0;
173 }
174
175 #scroller ul {
176 list-style:none;
177 padding:0;
178 margin:0;
179 width:100%;
180 text-align:left;
181 }
182
183 #scroller li {
184 padding:0 10px;
185 height:40px;
186 line-height:40px;
187 border-bottom:1px solid #ccc;
188 border-top:1px solid #fff;
189 background-color:#fafafa;
190 font-size:14px;
191 }
192
193 #myFrame {
194 position:absolute;
195 top:0; left:0;
196 }
197
198
199
200 /**
201 *
202 * Pull down styles
203 *
204 */
205 #pullDown, #pullUp {
206 background:#fff;
207 height:40px;
208 line-height:40px;
209 padding:5px 10px;
210 border-bottom:1px solid #ccc;
211 font-weight:bold;
212 font-size:14px;
213 color:#888;
214 }
215 #pullDown .pullDownIcon, #pullUp .pullUpIcon {
216 display:block; float:left;
217 width:40px; height:40px;
218 background:url(http://statics.webkfa.com/img/pull-icon@2x.png) 0 0 no-repeat;
219 -webkit-background-size:40px 80px; background-size:40px 80px;
220 -webkit-transition-property:-webkit-transform;
221 -webkit-transition-duration:250ms;
222 }
223 #pullDown .pullDownIcon {
224 -webkit-transform:rotate(0deg) translateZ(0);
225 }
226 #pullUp .pullUpIcon {
227 -webkit-transform:rotate(-180deg) translateZ(0);
228 }
229
230 #pullDown.flip .pullDownIcon {
231 -webkit-transform:rotate(-180deg) translateZ(0);
232 }
233
234 #pullUp.flip .pullUpIcon {
235 -webkit-transform:rotate(0deg) translateZ(0);
236 }
237
238 #pullDown.loading .pullDownIcon, #pullUp.loading .pullUpIcon {
239 background-position:0 100%;
240 -webkit-transform:rotate(0deg) translateZ(0);
241 -webkit-transition-duration:0ms;
242
243 -webkit-animation-name:loading;
244 -webkit-animation-duration:2s;
245 -webkit-animation-iteration-count:infinite;
246 -webkit-animation-timing-function:linear;
247 }
248
249 @-webkit-keyframes loading {
250 from { -webkit-transform:rotate(0deg) translateZ(0); }
251 to { -webkit-transform:rotate(360deg) translateZ(0); }
252 }
253
254 </style>
255 </head>
256 <body>
257
258 <div id="header"><a href="http://cubiq.org/iscroll">iScroll</a></div>
259 <div id="wrapper">
260 <div id="scroller">
261 <div id="pullDown">
262 <span class="pullDownIcon"></span><span class="pullDownLabel">Pull down to refresh...</span>
263 </div>
264
265 <ul id="thelist">
266 <li>Pretty row 1</li>
267 <li>Pretty row 2</li>
268 <li>Pretty row 3</li>
269 <li>Pretty row 4</li>
270 <li>Pretty row 5</li>
271 <li>Pretty row 6</li>
272 <li>Pretty row 7</li>
273 <li>Pretty row 8</li>
274 <li>Pretty row 9</li>
275 <li>Pretty row 10</li>
276 <li>Pretty row 11</li>
277 <li>Pretty row 12</li>
278 <li>Pretty row 13</li>
279 <li>Pretty row 14</li>
280 <li>Pretty row 15</li>
281 <li>Pretty row 16</li>
282 <li>Pretty row 17</li>
283 <li>Pretty row 18</li>
284 <li>Pretty row 19</li>
285 <li>Pretty row 20</li>
286 <li>Pretty row 21</li>
287 <li>Pretty row 22</li>
288 <li>Pretty row 23</li>
289 <li>Pretty row 24</li>
290 <li>Pretty row 25</li>
291 <li>Pretty row 26</li>
292 <li>Pretty row 27</li>
293 <li>Pretty row 28</li>
294 <li>Pretty row 29</li>
295 <li>Pretty row 30</li>
296 <li>Pretty row 31</li>
297 <li>Pretty row 32</li>
298 <li>Pretty row 33</li>
299 <li>Pretty row 34</li>
300 <li>Pretty row 35</li>
301 <li>Pretty row 36</li>
302 <li>Pretty row 37</li>
303 <li>Pretty row 38</li>
304 <li>Pretty row 39</li>
305 <li>Pretty row 40</li>
306 </ul>
307 <div id="pullUp">
308 <span class="pullUpIcon"></span><span class="pullUpLabel">Pull up to refresh...</span>
309 </div>
310 </div>
311 </div>
312 <div id="footer"></div>
313
314 </body>
315 </html>
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