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@@ -0,0 +1,77 @@
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+<?php
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+namespace Core;
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+/**
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+ * 工具类,使用该类来实现自动依赖注入。
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+ */
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+class Ioc {
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+ /**
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+ * 获得类的对象实例
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+ * @param $className
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+ * @return mixed
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+ */
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+ public static function getInstance($className) {
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+
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+ $paramArr = self::getMethodParams($className);
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+
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+ return (new \ReflectionClass($className))->newInstanceArgs($paramArr);
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+ }
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+
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+ /**
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+ * 执行类的方法
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+ * @param [type] $className [类名]
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+ * @param [type] $methodName [方法名称]
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+ * @param [type] $params [额外的参数]
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+ * @return [type] [description]
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+ */
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+ public static function make($className, $methodName, $params = []) {
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+
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+ // 获取类的实例
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+ $instance = self::getInstance($className);
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+
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+ // 获取该方法所需要依赖注入的参数
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+ $paramArr = self::getMethodParams($className, $methodName);
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+
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+ return $instance->{$methodName}(...array_merge($paramArr, $params));
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+ }
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+
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+ /**
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+ * 获得类的方法参数,只获得有类型的参数
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+ * @param [type] $className [description]
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+ * @param [type] $methodsName [description]
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+ * @return [type] [description]
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+ */
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+ protected static function getMethodParams($className, $methodsName = '__construct') {
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+
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+ // 通过反射获得该类
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+ $class = new \ReflectionClass($className);
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+ $paramArr = []; // 记录参数,和参数类型
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+
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+ // 判断该类是否有构造函数
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+ if ($class->hasMethod($methodsName)) {
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+ // 获得构造函数
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+ $construct = $class->getMethod($methodsName);
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+
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+ // 判断构造函数是否有参数
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+ $params = $construct->getParameters();
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+
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+ if (count($params) > 0) {
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+
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+ // 判断参数类型
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+ foreach ($params as $key => $param) {
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+
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+ if ($paramClass = $param->getClass()) {
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+
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+ // 获得参数类型名称
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+ $paramClassName = $paramClass->getName();
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+
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+ // 获得参数类型
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+ $args = self::getMethodParams($paramClassName);
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+ $paramArr[] = (new \ReflectionClass($paramClass->getName()))->newInstanceArgs($args);
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+ }
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+ }
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+ }
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+ }
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+
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+ return $paramArr;
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+ }
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+}
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