用 PHP 函数变量数组改变代码结构

 1 private function makeXML($xmlName, $xmlNameParam)
 2 {
 3     $requestData = null;
 4 
 5     switch ($xmlName) {
 6         // ...
 7         case 'sendOrder':
 8             $requestData = $this->sendOrder($xmlNameParam);
 9             break;
10         case 'ecfareQuery':
11             $requestData = $this->ecfareQuery($xmlNameParam);
12             break;
13         case 'getInterAV':
14             $requestData = $this->getInterAV($xmlNameParam);
15             break;
16         // ...
17     }
18     
19     return $requestData;
20 }

 1 protected $arr = [];
 2 
 3 public function __construct()
 4 {
 5     // 初始化接口方法
 6     $this->arr = [
 7         'getAV'                    => 'getAV',
 8         'sendOrder'                => 'sendOrder',
 9         'ecfareQuery'              => 'ecfareQuery',
10         'getInterAV'               => 'getInterAV',
11         // ...
12     ];
13 }

 1 private function makeXML($xmlName, $xmlNameParam)
 2 {
 3     $requestData = null;
 4     
 5     $fun = $this->arr[$xmlName];
 6     
 7     $requestData = $this->$fun($xmlNameParam);
 8     
 9     return $requestData;
10 }

 1 function come() {                   //定义com函数
 2 　　echo "来了<p>";
 3 }
 4 
 5 function go($name = "jack") {       //定义go函数
 6 　　echo $name."走了<p>";
 7 }
 8 
 9 function back($string)              //定义back函数
10 {
11 　　echo "又回来了，$string<p>";
12 }
13 
14 $func = "come";                     //声明一个变量，将变量赋值为“come”
15 $func();                            //使用变量函数来调用函数come()
16 $func = "go";                       //重新给变量赋值
17 $func("Tom");                       //使用变量函数来调用函数go()
18 $func = "back";                     //重新给变量赋值
19 $func("Lily");                      //使用变量函数来调用函数back();

 1 <?php
 2 
 3 class test
 4 {
 5     public $arr = [];
 6     
 7     public function __construct()
 8     {
 9         $this->arr = array(
10             'func1'=>'func1',
11             'func2'=>'func2',
12             'func3'=>'func3',
13             'func4'=>'func4',
14             'func5'=>'func5',
15         );
16     }
17     
18     public function submit($func, $str)
19     {
20         $f = $this->arr[$func];
21         $this->$f($str);
22     }
23         
24     static public function func1($str)
25     {
26         print 'func1' . ' ' . $str . "\n";
27     }
28 
29     static public function func2($str)
30     {
31         print 'func2' . ' ' . $str . "\n";
32     }
33 
34     public function func3($str)
35     {
36         print 'func3' . ' ' . $str . "\n";
37     }
38 
39     private function func4($str)
40     {
41         print 'func4' . ' ' . $str . "\n";
42     }
43 
44     private function func5($str)
45     {
46         print 'func5' . ' ' . $str . "\n";
47     }
48 }
49 
50 $t = new test();        // 实例化类
51 
52 $f = $t->arr['func1'];
53 test::$f('abc');        // func1 func2 是静态方法
54 $f = $t->arr['func2'];
55 test::$f('abc');
56 
57 $f = $t->arr['func3'];  // func3 的调用
58 $t->$f('abc');
59 
60 // func4 func5 的调用需要使用 submit 方法进行分发
61 $t->submit('func4', 'abc');
62 $t->submit('func5', 'bcd');

1 func1 abc
2 func2 abc
3 func3 abc
4 func4 abc
5 func5 bcd