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/1.2/docs/html/demo/component/datalazyload/demo3.html

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  8. <title>DataLazyload 手动模式 &mdash; KISSY v1.2 Documentation</title>
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    54. 

  54.     <h1 class="logo"><a alt="KISSY" href="http://docs.kissyui.com">
    55. 

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    64. 

  64.         <li><a href="../../../../html/demo/index.html" >DEMO</a></li>
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  65.         <li><a href="https://groups.google.com/group/kissy-ui" >Google Group</a></li>
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  66.         <li><a href="http://www.github.com/kissyteam" >Source Code</a></li>
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  67.         <li><a href="http://docs.kissyui.com/kissy/docs/" >English API Docs</a></li>
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    69. 

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    71. 

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  73.       <input type="hidden" name="check_keywords" value="yes" />
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  74.       <input type="hidden" name="area" value="default" />
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  75.     </form>
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  77. <script type="text/javascript">$('#searchbox').show(0);</script>
    78. 

  78. 

  79. </div>
    80. 

  80. 

  81. <div id="content">
    82. 

  82. 

  83. 	<div  class="layout grid-s6m0">
    84. 

  84. 			<div class="col-main">
    85. 

  85. 				<div class="main-wrap">
    86. 

  86.                     
    87. 

  87. 

  88. <div class='related'>
    89. 

  89.     <h3>Navigation</h3>
    90. 

  90.     
    91. 

  91.     <ul>
    92. 

  92.     <li class="right" style="margin-right: 10px">
    93. 

  93.       <a href="../../../genindex.html" title="General Index"
    94. 

  94.          accesskey="I">index</a></li>
    95. 

  95.     <li class="right" >
    96. 

  96.       <a href="../../../py-modindex.html" title="Python Module Index"
    97. 

  97.          >modules</a> | </li>
    98. 

  98.     <li class="right" >
    99. 

  99.       <a href="demo4.html" title="textarea 延迟加载"
    100. 

  100.          accesskey="N">next</a> | </li>
    101. 

  101.     <li class="right" >
    102. 

  102.       <a href="demo2.html" title="DataLazyload 自动模式"
    103. 

  103.          accesskey="P">previous</a> | </li>
    104. 

  104.     <li><a href="../../../index.html">KISSY v1.2 Documentation</a> &#187; </li>
    105. 

  105.       <li><a href="../../index.html" >Demos</a> &#187; </li>
    106. 

  106.       <li><a href="../index.html" >Component</a> &#187; </li>
    107. 

  107.       <li><a href="index.html" accesskey="U">DataLazyload 使用示例</a> &#187; </li> 
    108. 

  108.     </ul>
    109. 

  109. </div>
    110. 

  110. 					
    111. 

  111.   <div class="section" id="datalazyload">
    112. 

  112. <h1>DataLazyload 手动模式<a class="headerlink" href="#datalazyload" title="Permalink to this headline"></a></h1>
    113. 

  113. <div class="section" id="class">
    114. 

  114. <h2>Class<a class="headerlink" href="#class" title="Permalink to this headline"></a></h2>
    115. 

  115. <blockquote>
    116. 

  116. <div><ul class="simple">
    117. 

  117. <li><a class="reference internal" href="../../../api/component/datalazyload/index.html#datalazyload.DataLazyload" title="datalazyload.DataLazyload"><tt class="xref py py-class docutils literal"><span class="pre">DataLazyload</span></tt></a></li>
    118. 

  118. </ul>
    119. 

  119. </div></blockquote>
    120. 

  120. </div>
    121. 

  121. <div class="section" id="id1">
    122. 

  122. <h2>DataLazyload 手动模式<a class="headerlink" href="#id1" title="Permalink to this headline"></a></h2>
    123. 

  123. <blockquote>
    124. 

  124. <div><iframe width="100%" height="450" class="iframe-demo" src="../../../_static/demo/datalazyload/manual_demo.html"></iframe><p>页面加载的时候采用了懒加载，向下滚动的时候才会加载后面的图片，网速快的时候不很明显，网速慢的时候就会显示出懒加载的优点。你可以使用firefox或者ie开发工具中的网络工具查看懒加载过程。</p>
    125. 

  125. <p><strong>载入1.2的 kissy</strong></p>
    126. 

  126. <div class="highlight-html"><div class="highlight"><pre><span class="nt">&lt;script </span><span class="na">src=</span><span class="s">&quot;http://a.tbcdn.cn/s/kissy/1.2.0/kissy-min.js&quot;</span><span class="nt">&gt;&lt;/script&gt;</span>
    127. 

  127. </pre></div>
    128. 

  128. </div>
    129. 

  129. <p><strong>使用DataLazyload</strong></p>
    130. 

  130. <div class="highlight-js"><div class="highlight"><pre><span class="nx">KISSY</span><span class="p">.</span><span class="nx">use</span><span class="p">(</span><span class="s1">&#39;datalazyload&#39;</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">S</span><span class="p">,</span> <span class="nx">DataLazyload</span><span class="p">)</span> <span class="p">{</span>
    131. 

  131.         <span class="nx">S</span><span class="p">.</span><span class="nx">ready</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">S</span><span class="p">)</span> <span class="p">{</span>
    132. 

  132.                 <span class="kd">var</span> <span class="nx">dataLazyload</span><span class="o">=</span> <span class="nx">DataLazyload</span><span class="p">();</span>
    133. 

  133.         <span class="p">});</span>
    134. 

  134. <span class="p">});</span>
    135. 

  135. </pre></div>
    136. 

  136. </div>
    137. 

  137. <p><strong>注意事项</strong></p>
    138. 

  138. <blockquote>
    139. 

  139. <div>采用手动模式时, 需要自行在输出页面时, 可以不设置 img 的 src 属性, 但是必须设置 img 的 <tt class="docutils literal"><span class="pre">data-ks-lazyload</span></tt> 自定义属性为真实图片地址,当滚动导致该图片出现在当前视窗时会将 src 设置为真实地址,  如:</div></blockquote>
    140. 

  140. <div class="highlight-html"><div class="highlight"><pre><span class="nt">&lt;img</span> <span class="na">data-ks-lazyload=</span><span class="s">&quot;xx.jpg&quot;</span> <span class="nt">/&gt;</span>
    141. 

  141. </pre></div>
    142. 

  142. </div>
    143. 

  143. <p><strong>使用回调函数</strong></p>
    144. 

  144. <p>使用回调函数 addCallback() 方法可以让我们定义的部分将要显示的时候出发函数，执行我们的代码,如：</p>
    145. 

  145. <div class="highlight-js"><div class="highlight"><pre><span class="nx">dataLazyload</span><span class="p">.</span><span class="nx">addCallback</span><span class="p">(</span><span class="s1">&#39;#test-callback&#39;</span><span class="p">,</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
    146. 

  146.         <span class="nx">alert</span><span class="p">(</span><span class="s1">&#39;#test-callback will come!&#39;</span><span class="p">);</span>
    147. 

  147. <span class="p">});</span>
    148. 

  148. </pre></div>
    149. 

  149. </div>
    150. 

  150. </div></blockquote>
    151. 

  151. </div>
    152. 

  152. </div>
    153. 

  153. 

  154. 

  155.                     
    156. 

  156. 

  157. <div class='related'>
    158. 

  158.     <h3>Navigation</h3>
    159. 

  159.     
    160. 

  160.     <ul>
    161. 

  161.     <li class="right" style="margin-right: 10px">
    162. 

  162.       <a href="../../../genindex.html" title="General Index"
    163. 

  163.          accesskey="I">index</a></li>
    164. 

  164.     <li class="right" >
    165. 

  165.       <a href="../../../py-modindex.html" title="Python Module Index"
    166. 

  166.          >modules</a> | </li>
    167. 

  167.     <li class="right" >
    168. 

  168.       <a href="demo4.html" title="textarea 延迟加载"
    169. 

  169.          accesskey="N">next</a> | </li>
    170. 

  170.     <li class="right" >
    171. 

  171.       <a href="demo2.html" title="DataLazyload 自动模式"
    172. 

  172.          accesskey="P">previous</a> | </li>
    173. 

  173.     <li><a href="../../../index.html">KISSY v1.2 Documentation</a> &#187; </li>
    174. 

  174.       <li><a href="../../index.html" >Demos</a> &#187; </li>
    175. 

  175.       <li><a href="../index.html" >Component</a> &#187; </li>
    176. 

  176.       <li><a href="index.html" accesskey="U">DataLazyload 使用示例</a> &#187; </li> 
    177. 

  177.     </ul>
    178. 

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    215. 

  215. 				</div>
    216. 

  216. 			</div>
    217. 

  217.     <div class="col-sub"><ul class="s-box demo-toctree">
    218. 

  218.     <h2 class="s-box-hd">Seed</h2>
    219. 

  219.     <ul class="s-box-bd">
    220. 

  220.         <li><a href="../../seed/loader/index.html">loader</a></li>
    221. 

  221.         <li><a href="../../seed/lang/index.html">lang</a></li>
    222. 

  222.         <!--<li><a href="../../seed/kissy/index.html">kissy</a></li>
    223. 

  223.         <li><a href="../../seed/web/index.html">web</a></li>-->
    224. 

  224.     </ul>
    225. 

  225. </ul>
    226. 

  226. 

  227. <ul class="s-box core-toctree">
    228. 

  228.     <h2 class="s-box-hd">Core</h2>
    229. 

  229.     <ul class="s-box-bd">
    230. 

  230.         <!--<li><a href="../../core/ua/index.html">ua</a></li>
    231. 

  231.         <li><a href="../../core/dom/index.html">DOM</a></li>
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  232.         <li><a href="../../core/event/index.html">event</a></li>
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  233.         <li><a href="../../core/node/index.html">node</a></li>
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  234.         <li><a href="../../core/json/index.html">json</a></li>
    235. 

  235.         <li><a href="../../core/ajax/index.html">ajax</a></li>
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  236.         <li><a href="../../core/cookie/index.html">cookie</a></li>
    237. 

  237.         <li><a href="../../core/base/index.html">base</a></li>-->
    238. 

  238.         <li><a href="../../core/anim/index.html">anim</a></li>
    239. 

  239.     </ul>
    240. 

  240. </ul>
    241. 

  241. 

  242. <ul class="s-box component-toctree">
    243. 

  243.     <h2 class="s-box-hd">Component</h2>
    244. 

  244.     <ul class="s-box-bd">
    245. 

  245.         <li><a href="../mvc/index.html">mvc</a></li>
    246. 

  246.         <!--<li><a href="https://github.com/jquery/sizzle/wiki/Sizzle-Home">sizzle</a></li>
    247. 

  247.         <li><a href="../template/index.html">template</a></li>-->
    248. 

  248.         <li><a href="index.html">datalazyload</a></li>
    249. 

  249.         <!--<li><a href="../flash/index.html">flash</a></li>-->
    250. 

  250.         <li><a href="../dd/index.html">dd</a></li>
    251. 

  251.         <li><a href="../resizable/index.html">resizable</a></li>
    252. 

  252.         <li><a href="../switchable/index.html">switchable</a></li>
    253. 

  253.         <li><a href="../suggest/index.html">suggest</a></li>
    254. 

  254.         <li><a href="../calendar/index.html">calendar</a></li>
    255. 

  255.         <li><a href="../imagezoom/index.html">imagezoom</a></li>
    256. 

  256.         <li><a href="../overlay/index.html">overlay</a></li>
    257. 

  257.         <li><a href="../button/index.html">button</a></li>
    258. 

  258.         <li><a href="../menu/index.html">menu</a></li>
    259. 

  259.         <li><a href="../menubutton/index.html">menubutton</a></li>
    260. 

  260.         <li><a href="../tree/index.html">tree</a></li>
    261. 

  261.         <li><a href="../waterfall/index.html">waterfall</a></li>
    262. 

  262.         <li><a href="http://docs.kissyui.com/kissy/src/validation/demo/" target="_blank">validation</a></li>
    263. 

  263.         <li><a href="../editor/index.html">editor</a></li>
    264. 

  264.     </ul>
    265. 

  265. </ul>
    266. 

  266.         
    267. 

  267.     </div>
    268. 

  268. 	</div>
    269. 

  269. </div>
    270. 

  270. <div id="footer">
    271. 

  271.     &copy; Copyright 2010~2012, KISSY Team. Created using <a href="http://sphinx.pocoo.org/">Sphinx</a>
    272. 

  272. </div>
    273. 

  273. </body>
    274. 

  274. </html>
    275.