�已经判断过了</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>    }</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>    <span class="comment">// 根据传输层协议类型解析相应属性</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>    <span class="keywordflow">if</s