php 对象示例 

 1 <?php
 2 header("content-type:text/html; charset=utf-8");
 3 error_reporting(E_ALL);
 4 
 5 class MyClass {
 6     
 7     var $id;//声明变量
 8     
 9     function __construct($name){
10         echo "构造函数:类被实例化后自动调用<br/>";
11         $this->name = $name;//声明并初始化变量
12     }
13     
14     function printer($con){
15         echo isset($con) ? $con : "空";
16         echo "<br/>";
17     }
18     
19     function sayName(){
20         echo $this->name;
21         echo "<br/>";
22     }
23     
24     function getID(){
25         return $this->id;
26     }
27 
28     function __destruct(){
29         echo "析构函数:对象结束生命周期时自动调用";
30     }
31     
32 }
33 
34 $obj = new MyClass("weihexin");
35 
36 $obj->sayName();
37 
38 $obj->printer($obj->getID());

 

posted @ 2020-02-19 00:47  鸡儿er  阅读(152)  评论(0)    收藏  举报