package ${package}.${moduleName}.service.impl;\n\nimport com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;\nimport ${package}.${moduleName}.entity.${ClassName}Entity;\nimport ${package}.${moduleName}.mapper.${ClassName}Mapper;\nimport ${package}.${moduleName}.service.${ClassName}Service;\nimport org.springframework.stereotype.Service;\n#if($ChildClassName)\nimport cn.hutool.core.collection.CollUtil;\nimport com.baomidou.mybatisplus.core.toolkit.Wrappers;\nimport ${package}.${moduleName}.entity.${ChildClassName}Entity;\nimport ${package}.${moduleName}.mapper.${ChildClassName}Mapper;\nimport org.springframework.transaction.annotation.Transactional;\nimport lombok.RequiredArgsConstructor;\nimport java.util.Objects;\n#end\n/**\n * ${tableComment}\n *\n * @author ${author}\n * @date ${datetime}\n */\n@Service\n#if($ChildClassName)\n@RequiredArgsConstructor\n#end\npublic class ${ClassName}ServiceImpl extends ServiceImpl<${ClassName}Mapper, ${ClassName}Entity> implements ${ClassName}Service {\n#if($ChildClassName)\n  private final ${ChildClassName}Mapper ${childClassName}Mapper;\n\n    @Override\n    @Transactional(rollbackFor = Exception.class)\n    public Boolean saveDeep(${ClassName}Entity ${className}) {\n        baseMapper.insert(${className});\n        for (${ChildClassName}Entity  ${childClassName} : ${className}.get${ChildClassName}List()) {\n            ${childClassName}.$str.setProperty($childField)(${className}.$str.getProperty($mainField)());\n            ${childClassName}Mapper.insert( ${childClassName});\n        }\n\n        return Boolean.TRUE;\n    }\n\n    @Override\n    @Transactional(rollbackFor = Exception.class)\n    public Boolean updateDeep(${ClassName}Entity ${className}) {\n        baseMapper.updateById(${className});\n        for (${ChildClassName}Entity  ${childClassName} : ${className}.get${ChildClassName}List()) {\n#set($getChildPkName=$str.getProperty(${pk.attrName}))\n            if (Objects.isNull(${childClassName}.$getChildPkName())) {\n                ${childClassName}.$str.setProperty($childField)(${className}.$str.getProperty($mainField)());\n                ${childClassName}Mapper.insert(${childClassName});\n            } else {\n                ${childClassName}Mapper.updateById(${childClassName});\n            }\n        }\n        return Boolean.TRUE;\n    }\n\n    @Override\n    @Transactional(rollbackFor = Exception.class)\n    public Boolean removeDeep(Long[] ids) {\n        baseMapper.deleteBatchIds(CollUtil.toList(ids));\n        ${childClassName}Mapper.delete(Wrappers.<${ChildClassName}Entity>lambdaQuery().in(${ChildClassName}Entity::$str.getProperty($childField), ids));\n        return Boolean.TRUE;\n    }\n\n    @Override\n    @Transactional(rollbackFor = Exception.class)\n    public Boolean removeChild(Long[] ids) {\n        ${childClassName}Mapper.deleteBatchIds(CollUtil.toList(ids));\n        return Boolean.TRUE;\n    }\n#end\n}