product-inventory-management-after.git

			@@ -36,6 +36,11 @@
			*/
			@Override
			public void saveSupplier(SupplierManage supplierManage) {
			LambdaQueryWrapper<SupplierManage> supplierManageLambdaQueryWrapper = new LambdaQueryWrapper<>();
			supplierManageLambdaQueryWrapper.eq(SupplierManage::getSupplierName,supplierManage.getSupplierName());
			if (supplierMapper.selectCount(supplierManageLambdaQueryWrapper) > 0) {
			throw new RuntimeException("供应商已存在");
			}
			supplierMapper.insert(supplierManage);
			}