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20 lines
502 B
20 lines
502 B
<?php
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/*
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* new时，若类未定义，回去别的文件找这个类
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* 类文件的名称需要与类名相同
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*/
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spl_autoload_register
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(
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function($className)
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{
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include_once("./{$className}.php");
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}
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);
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$obj = new classA(); //因为classA在autoload.php中未定义，当new时，会自动调用spl_autoload_register函数，并且传递类名
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echo $obj->str.'<br>';
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$obj2 = new classB();
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echo $obj2->str.'<br>';
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?>
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