{"id":147,"title":"\u7c7b\u5e38\u91cf","good":0,"bad":0,"hit":2499,"created_at":"2015-01-12 15:22:19","content":"<p>&lt;?php<br\/>\/\/\u4e00\u4e2a\u7c7b\u91cc\u9762\u53ea\u5141\u8bb8\u51fa\u73b0\uff0c\u5c5e\u6027\u3001\u65b9\u6cd5\u3001\u9759\u6001\u5c5e\u6027\u3001\u9759\u6001\u65b9\u6cd5\u3001\u7c7b\u5e38\u91cf\u4e94\u79cd\u8bed\u6cd5<br\/>class Student{&nbsp;&nbsp; &nbsp;<br\/>&nbsp;&nbsp; &nbsp;<br\/>&nbsp;&nbsp; &nbsp;const pi=3.14;\/\/\u7c7b\u5e38\u91cf<br\/>&nbsp;&nbsp; &nbsp;public function __construct(){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;define(&#39;PAI&#39;,3.1415);\/\/\u7c7b\u5185\u5b9a\u4e49\u7684\u5e38\u91cf<br\/>&nbsp;&nbsp; &nbsp;}<br\/>&nbsp;&nbsp; &nbsp;<br\/>}<br\/>\/\/\u5bf9\u8c61\u5b9e\u4f8b\u5316\u65f6\u5b9a\u4e49\u4e00\u4e2a\u5e38\u91cfPAI<br\/>$o=new Student();<br\/>echo PAI;<br\/>echo &#39;&lt;br\/&gt;&#39;;<br\/><br\/>\/\/\u7c7b\u5e38\u91cf\u7528\u7c7b\u540d::\u5e38\u91cf\u540d\u7684\u65b9\u5f0f\u8bbf\u95ee<br\/>echo Student::pi;<br\/>?&gt;<\/p><p><br\/><\/p><p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p><p>3.1415<br\/>3.14<\/p>"}