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117 lines
3.0 KiB
117 lines
3.0 KiB
3 years ago
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<?php
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/**
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* Date: 2020/11/4 16:56
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* User: chenlong <vip_chenlong@163.com>
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*/
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namespace sdModule\common;
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/**
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* 静态调用组件
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* Class StaticCallGetInstance
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* @package sdModule\common
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*/
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abstract class StaticCallGetInstance
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{
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/**
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* @var static
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*/
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private static $instance;
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/**
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* 组件实例组
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* @var array
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*/
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private array $instances = [];
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/**
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* 返回命名空间
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* @return string|array
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*/
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abstract protected function getNamespace();
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/**
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* @param $method
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* @param $vars
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* @return object
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* @throws \ReflectionException
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*/
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public static function __callStatic($method, $vars)
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{
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self::getStatic();
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$classname = self::$instance->getClassname($method);
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$class = self::$instance->getIncludeNamespaceClassname($classname, $method);
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return self::$instance->getInstance($class, $vars);
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}
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/**
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* 返回自身实例
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* @return StaticCallGetInstance|static
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*/
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private static function getStatic()
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{
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if (!self::$instance instanceof static) {
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self::$instance = new static();
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}
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return self::$instance;
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}
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/**
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* 获取包含命名空间的类名
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* @param string $classname 类名
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* @param string $method
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* @return string
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*/
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private function getIncludeNamespaceClassname(string $classname, string $method):string
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{
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if (is_string($namespace = $this->getNamespace())) {
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return rtrim($namespace, '\\') . '\\' . $classname;
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}else{
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return $namespace[$method] ?? $classname;
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}
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}
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/**
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* 获取组件实例
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* @param string $class
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* @param array $vars
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* @return object
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* @throws \ReflectionException
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*/
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private function getInstance(string $class, array $vars)
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{
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if (!empty($this->instances[$class])) {
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return $this->instances[$class];
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}
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$reflex_class = new \ReflectionClass($class);
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if (($construct = $reflex_class->getConstructor()) && $construct->getParameters()){
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return $reflex_class->newInstanceArgs($vars);
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}
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return $this->instances[$class] = $reflex_class->newInstance();
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}
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/**
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* 获取参数名字
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* @param string $method 方法名字
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* @return string
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* @throws \ReflectionException
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*/
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private function getClassname(string $method)
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{
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$s = new \ReflectionClass($this);
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$line_doc = explode("\r\n", $s->getDocComment());
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foreach ($line_doc as $doc) {
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if (preg_match('/\* (@method\s)(static(\s)+)?(\w+(\s)+)[A-Za-z]\w*\(.*\)$/', $doc)){
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preg_match_all('/[A-Za-z]\w*\(/', $doc, $match);
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if ($match && substr(current($match[0]), 0, -1) === $method){
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preg_match('/(\s)+(static(\s)+)+([A-Za-z]+[0-9]*(\s)+)/', $doc, $class);
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return trim(strtr(current($class), [' static ' => '']));
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}
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}
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}
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return '';
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}
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}
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