'{$className}' => array( 'mapping_type' => self::{$mappingType}, 'class_name' => '{$className}',        'mapping_name' => '{$mappingName}', 'foreign_key' => '{$foreignKey}',        'relation_foreign_key' => '{$relationForeignKey}', 'relation_table' => '{$relationTable}' //此处应显式定义中间表名称,且不能使用C函数读取表前缀 ), //@more