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<?php |
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namespace suda\orm\struct; |
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use ReflectionClass; |
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use ReflectionProperty; |
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use suda\orm\TableStruct; |
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use suda\orm\struct\Field; |
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/** |
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* 数据表构建 |
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*/ |
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class TableStructBuilder |
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{ |
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/** |
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* 解析对象 |
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* |
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* @var string |
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*/ |
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protected $object; |
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/** |
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* 反射对象 |
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* |
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* @var ReflectionClass |
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*/ |
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protected $reflectObject; |
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public function __construct(string $object) |
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{ |
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$this->object = $object; |
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$this->reflectObject = new ReflectionClass($object); |
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} |
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/** |
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* 创建表结构 |
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* |
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* @return TableStruct |
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*/ |
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public function createStruct():TableStruct |
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{ |
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$name = $this->getName(); |
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$struct = new TableStruct($name); |
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foreach ($this->reflectObject->getProperties(ReflectionProperty::IS_PUBLIC | ReflectionProperty::IS_PROTECTED | ReflectionProperty::IS_PRIVATE) as $property) { |
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if ($this->isTableField($property)) { |
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$field = $this->createField($name, $property); |
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$struct->addField($field); |
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} |
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} |
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return $struct; |
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} |
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/** |
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* 获取表名 |
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* |
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* @return string |
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*/ |
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protected function getName() |
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{ |
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if ($doc = $this->reflectObject->getDocComment()) { |
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if (is_string($doc) && \preg_match('/\@table\s+(\w+)/', $doc, $match)) { |
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return $match[1]; |
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} |
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} |
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return static::createName($this->reflectObject->getShortName()); |
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} |
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/** |
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* 创建字段 |
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* |
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* @param string $tableName |
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* @param \ReflectionProperty $property |
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* @return \suda\orm\struct\Field |
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*/ |
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protected function createField(string $tableName, ReflectionProperty $property): Field |
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{ |
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$name = static::getFieldName($property); |
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list($type, $length, $modifier) = static::getFieldType($property); |
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$field = new Field($tableName, $name, $type, $length); |
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$field->alias($property->getName()); |
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$parser = new FieldModifierParser; |
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$parser->parse($modifier)->modify($field); |
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return $field; |
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} |
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/** |
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* 转换名称 |
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* |
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* @param string $name |
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* @return string |
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*/ |
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public static function createName(string $name):string |
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{ |
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$name = preg_replace('/([A-Z]+)/', '_$1', $name); |
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$name = \preg_replace('/_+/', '_', $name); |
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$name = trim($name, '_'); |
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return \strtolower($name); |
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} |
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/** |
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* 获取表字段名 |
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* |
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* @param string $object |
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* @param string $name |
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* @return string |
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*/ |
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public static function getTableFieldName(string $object, string $name) |
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{ |
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$property = new ReflectionProperty($object, $name); |
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return static::getFieldName($property); |
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} |
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/** |
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* 获取字段名 |
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* |
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* @param \ReflectionProperty $property |
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* @return string |
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*/ |
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public static function getFieldName(ReflectionProperty $property) |
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{ |
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if ($doc = $property->getDocComment()) { |
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if (is_string($doc) && preg_match('/@field-?name\s+(\w+)/i', $doc, $match)) { |
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return $match[1]; |
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} |
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} |
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return $property->getName(); |
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} |
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/** |
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* 获取字段类型 |
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* |
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* @param \ReflectionProperty $property |
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* @return array|null |
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*/ |
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public static function getFieldType(ReflectionProperty $property) |
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{ |
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if ($doc = $property->getDocComment()) { |
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if (is_string($doc) && preg_match('/@field\s+(\w+)(?:\((.+?)\))?\s+(.+)?$/im', $doc, $match)) { |
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$type = strtoupper($match[1]); |
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$length = static::parseLength($match[2] ?? ''); |
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return [$type, $length , trim($match[3] ?? '')]; |
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} |
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} |
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return ['text', null, '']; |
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} |
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/** |
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149
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* 解析字符串 |
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* |
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* @param string $length |
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* @return string|array|null |
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*/ |
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protected static function parseLength(string $length) |
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{ |
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if (strlen($length)) { |
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$length = \explode(',', $length); |
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if (count($length) === 1) { |
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$length = $length[0]; |
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} |
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} else { |
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$length = null; |
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} |
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return $length; |
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} |
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/** |
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168
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* 检查是否为数据库字段 |
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* |
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* @param \ReflectionProperty $property |
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* @return boolean |
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*/ |
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public static function isTableField(ReflectionProperty $property) |
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{ |
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if ($doc = $property->getDocComment()) { |
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if (is_string($doc) && stripos($doc, '@field')) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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dxkite /
suda
