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+<?php
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+
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+namespace app\utils;
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+
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+use ReflectionClass;
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+
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+/**
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+ * 智能枚举验证器
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+ * 自动发现并验证请求参数中的枚举字段
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+ */
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+class EnumUtil
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+{
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+ /**
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+ * 自动验证请求参数中的枚举字段
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+ *
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+ * @param string|object $enumClassOrInstance 枚举类名或实例
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+ * @param array $requestData 请求数据
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+ * @return array 验证结果 ['valid' => bool, 'errors' => array]
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+ */
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+ public static function autoValidate($enumClassOrInstance, array $requestData): array
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+ {
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+ $errors = [];
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+
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+ try {
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+ $reflection = new ReflectionClass($enumClassOrInstance);
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+ $constants = $reflection->getConstants();
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+
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+ foreach ($constants as $constName => $enumValues) {
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+ if (!is_array($enumValues)) {
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+ continue;
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+ }
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+
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+ // 跳过MAP格式的枚举定义(包含code字段的)
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+ if (self::isMapFormat($enumValues)) {
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+ continue;
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+ }
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+
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+ // 将枚举常量名转换为可能的请求字段名
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+ $fieldName = self::constToFieldName($constName);
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+
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+ // 检查请求数据中是否存在该字段
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+ if (array_key_exists($fieldName, $requestData)) {
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+ $value = $requestData[$fieldName];
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+ $result = self::validateEnumValue($value, $enumValues, $constName);
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+ if (!$result['valid']) {
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+ $errors[] = $result['error'];
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+ }
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+ }
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+ }
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+
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+ } catch (\ReflectionException $e) {
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+ return [
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+ 'valid' => false,
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+ 'errors' => ["枚举验证异常: " . $e->getMessage()]
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+ ];
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+ }
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+
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+ if (!empty($errors)) {
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+ return [
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+ 'valid' => false,
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+ 'errors' => $errors
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+ ];
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+ }
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+
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+ return [
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+ 'valid' => true,
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+ 'errors' => []
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+ ];
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+ }
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+
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+ /**
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+ * 将枚举常量名转换为字段名
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+ *
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+ * @param string $constName 常量名称
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+ * @return string 字段名
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+ */
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+ private static function constToFieldName(string $constName): string
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+ {
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+ // 将下划线命名转换为蛇形命名(小写+下划线)
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+ return strtolower($constName);
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+ }
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+
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+ /**
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+ * 验证单个枚举值
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+ *
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+ * @param mixed $value 要验证的值
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+ * @param array $enumValues 枚举值数组
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+ * @param string $constName 常量名称
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+ * @return array 验证结果 ['valid' => bool, 'error' => string|null]
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+ */
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+ private static function validateEnumValue($value, array $enumValues, string $constName): array
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+ {
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+ if (!is_array($enumValues) || empty($enumValues)) {
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+ return [
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+ 'valid' => false,
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+ 'error' => '枚举值配置错误'
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+ ];
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+ }
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+
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+ // 提取所有有效值(简单格式的键)
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+ $validValues = array_keys($enumValues);
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+
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+ // 处理字符串数字和整数的类型转换
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+ $normalizedValue = is_numeric($value) ? (int)$value : $value;
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+
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+ if (!in_array($normalizedValue, $validValues, true)) {
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+ $fieldName = self::constToFieldName($constName);
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+ return [
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+ 'valid' => false,
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+ 'error' => "{$fieldName}参数错误,值:{$value}"
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+ ];
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+ }
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+
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+ return [
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+ 'valid' => true,
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+ 'error' => null
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+ ];
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+ }
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+
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+ /**
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+ * 获取枚举类的所有字段映射
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+ *
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+ * @param string|object $enumClassOrInstance 枚举类名或实例
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+ * @return array 字段映射 [字段名 => 枚举值数组]
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+ */
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+ public static function getFieldMappings($enumClassOrInstance): array
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+ {
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+ $mappings = [];
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+
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+ try {
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+ $reflection = new ReflectionClass($enumClassOrInstance);
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+ $constants = $reflection->getConstants();
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+
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+ foreach ($constants as $constName => $enumValues) {
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+ if (is_array($enumValues) && !self::isMapFormat($enumValues)) {
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+ $fieldName = self::constToFieldName($constName);
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+ $mappings[$fieldName] = $enumValues;
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+ }
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+ }
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+
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+ } catch (\ReflectionException $e) {
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+ // 忽略异常,返回空数组
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+ }
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+
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+ return $mappings;
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+ }
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+
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+ /**
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+ * 检查枚举值数组是否为MAP格式(包含code字段)
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+ *
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+ * @param array $enumValues 枚举值数组
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+ * @return bool
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+ */
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+ private static function isMapFormat(array $enumValues): bool
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+ {
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+ // 如果是空数组,跳过
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+ if (empty($enumValues)) {
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+ return false;
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+ }
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+
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+ // 检查第一个元素是否包含code字段
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+ $firstValue = reset($enumValues);
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+ return is_array($firstValue) && isset($firstValue['code']);
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+ }
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+}
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