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	<tr><th class="h"><strong class="fl w"><b>本页主题:</b> iphone的API的问题</strong> <span class="fr w"> <a class="fn" href="http://www.cocoachina.com/bbs/simple/index.php?t162.html"> 打印</a> | <a class="fn" style="cursor:pointer;" onclick="Addtoie('http://www.cocoachina.com/bbs/read.php?fid=6&tid=162','Cocoa China 开发讨论区--iphone的API的问题');"> 加为IE收藏</a> | <a style="cursor:pointer;" title="http://www.cocoachina.com/bbs/read.php?fid=6&tid=162" onclick="clipboardData.setData('Text','http://www.cocoachina.com/bbs/read.php?fid=6&tid=162&u=1386')">复制链接</a> | <a class="fn" style="cursor:pointer;" onclick="sendmsg('pw_ajax.php?action=favor&tid=162','',this.id)" id="favor">收藏主题</a> | <a href="job.php?action-previous-fid-6-tid-162-fpage-7-goto-previous.html" class="fn">上一主题</a> | <a href="job.php?action-previous-fid-6-tid-162-fpage-7-goto-next.html" class="fn">下一主题</a></span> </th>
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<b>jerrylying</b>
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发帖: <span class="s1 f9">18</span><br />
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			<h1 id="subject_tpc" class="fl"><img src="images/post/emotion/1.gif" align="left" border="0" />&nbsp;iphone的API的问题</h1>

			<div id="p_tpc" class="c"></div>

			<div class="tpc_content" id="read_tpc">iphone上哪个系统API能够实现windows上类似GetTickCount()类似的功能吗？<br />还有Iphone的API能够直接在C++里调用吗？<br />谢谢</div>
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		<div class="tipad"><span style="float:right">

			<a href="javascript:scroll(0,0)" title="顶端" >顶端</a></span>
			<span class="gray">Posted: 2008-07-10 10:16 |  </span>

			<span><a class="s3" title="回复此楼" style="cursor:pointer;" onclick="postreply('回 楼主(jerrylying) 的帖子');">[楼 主]</a></span>

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<b>gagaga</b>
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可可豆: <span class="s3 f9">5230 CB</span><br />

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		iChat:<br />


		GTalk:<br />


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		<span class="gray">注册时间:2008-03-29<br />
		最后登录:2008-11-22 </span>
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			<div class="tiptop">
			<span class="fr" style="margin:0 0 0 1em"><a style="cursor:pointer" onclick="fontsize('small','740')">小</a> <a style="cursor:pointer" onclick="fontsize('middle','740')">中</a> <a style="cursor:pointer" onclick="fontsize('big','740')">大</a></span>
			<span class="fl" style="white-space:nowrap;">
			<a href="post.php?action-quote-fid-6-tid-162-pid-740-article-1.html" onclick="return sendurl(this,4,event)" id="quote_740" title="引用回复这个帖子">引用</a> <a id="recommend_740" href="operate.php?action-recommend-tid-162.html" onclick="return sendurl(this,8)" title="推荐此帖">推荐</a> <a href="post.php?action-modify-fid-6-tid-162-pid-740-article-1.html" id="modify_740" onclick="return sendurl(this,4,event)">编辑</a>

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			<h1 id="subject_740" class="fl">&nbsp;</h1>

			<div id="p_740" class="c"></div>

			<div class="tpc_content" id="read_740">应该是NSDate里面的<br />– timeIntervalSinceDate:&nbsp; <br />– timeIntervalSinceNow&nbsp; <br />+ timeIntervalSinceReferenceDate&nbsp; <br />– timeIntervalSinceReferenceDate&nbsp; <br />– timeIntervalSince1970&nbsp; <br />这几个吧。<br /><a href="http://developer.apple.com/documentation/Cocoa/Reference/Foundation/Classes/NSDate_Class/Reference/Reference.html" target="_blank">http://developer.apple.com/documentation/Cocoa/Reference/Foundation/Classes/NSDate_Class/Reference/Reference.html</a><br /><br />不过如果需要用类似timer的东西，直接用NSTimer就可以了。<br /><br />第二个问题是可以的，我记得谁好像问过类似的问题，可以翻翻旧贴。objective-c的实质其实就是c。</div>
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			<a href="javascript:scroll(0,0)" title="顶端" >顶端</a></span>
			<span class="gray">Posted: 2008-07-10 12:40 |  </span>

			<span><a class="s3" title="回复此楼" style="cursor:pointer;" onclick="postreply('回 1楼(gagaga) 的帖子');">1 楼</a></span>

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<b>huajun</b>
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