48 lines
1.4 KiB
PHP
48 lines
1.4 KiB
PHP
<?php
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namespace top\traits;
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trait Magic
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{
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private static $magicParameters = [];
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/**
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* 使用成员变量调用某些类
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* @param string $name
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* @return mixed
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*/
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public function __get($name)
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{
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if (!isset(self::$magicParameters[$name])) {
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$stringArray = str_split($name);
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$length = count($stringArray);
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$start = 0;
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$prefix = '';
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for ($i = 0; $i < $length; $i++) {
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$ord = ord($stringArray[$i]);
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if ($ord > 64 && $ord < 91 && $i != 0) { // 找大写字母
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$start = $i;
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break;
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}
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$prefix .= $stringArray[$i];
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}
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if ($prefix != '' && $start > 0) { // 存在前缀，并且存在大写字母
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$value = substr($name, $start, $length);
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switch ($prefix) {
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case 'model':
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self::$magicParameters[$name] = model($value);
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break;
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case 'logic':
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self::$magicParameters[$name] = logic($value);
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break;
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}
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} else {
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// 无法被处理，抛出异常
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throw new \Exception('变量' . $name . '不存在');
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}
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}
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return self::$magicParameters[$name];
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}
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}
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