package com.gkhy.exam.system.service; import com.baomidou.mybatisplus.extension.service.IService; import com.gkhy.exam.common.api.CommonPage; import com.gkhy.exam.common.api.CommonResult; import com.gkhy.exam.system.domain.PurchaseContract; public interface PurchaseContractService extends IService { CommonPage selectContractList(PurchaseContract purchaseContract); CommonResult insertContract(PurchaseContract purchaseContract); CommonResult updateContract(PurchaseContract purchaseContract); CommonResult deletedContract(Integer contractId); }