完成采购订单功能。

src/main/resources/sql/dev/id.sql

@@ -7,4 +7,6 @@ ALTER TABLE yy_sysrolechannelmapping ADD temp_id BIGINT AUTO_INCREMENT PRIMARY K
 UPDATE yy_sysrolechannelmapping SET id = temp_id;
 ALTER TABLE yy_sysrolechannelmapping DROP temp_id;
 ALTER TABLE yy_sysrolechannelmapping ADD PRIMARY KEY (id);
-ALTER TABLE yy_sysrolechannelmapping MODIFY id BIGINT NOT NULL AUTO_INCREMENT;
+ALTER TABLE yy_sysrolechannelmapping MODIFY id BIGINT NOT NULL AUTO_INCREMENT;
+
+ALTER TABLE purchaseplandetails ADD Order_item_id BIGINT DEFAULT NULL COMMENT "关联 purchasematerial 的 ID， 订单明细 ID";