发货计划库存可用量计算优化

src/custom/restcontroller/webmanage/sale/sendplan/sendplandetail.java

@@ -162,11 +162,12 @@ public class sendplandetail extends Controller {
 
 
         ArrayList<String> list = new ArrayList<>();
-        Rows sendplandetailsgroupitemid = dbConnect.runSqlQuery("select t2.itemid,t1.sa_sendplandetailid,t1.sendqty from sa_sendplandetail t1  inner join sa_orderitems t2 on t1.sa_orderitemsid=t2.sa_orderitemsid and t1.siteid=t2.siteid where t1.sa_sendplanid=" + sendplandetails.get(0).getLong("sa_sendplanid") + " and t2.itemid="+sendplandetails.get(0).getLong("itemid")+" and t1.siteid='" + siteid + "' order by t2.sa_orderid desc");
+        Rows sendplandetailsgroupitemid = dbConnect.runSqlQuery("select t2.itemid,t1.sa_sendplandetailid,t1.sendqty,t1.canuseqty from sa_sendplandetail t1  inner join sa_orderitems t2 on t1.sa_orderitemsid=t2.sa_orderitemsid and t1.siteid=t2.siteid where t1.sa_sendplanid=" + sendplandetails.get(0).getLong("sa_sendplanid") + " and t2.itemid="+sendplandetails.get(0).getLong("itemid")+" and t1.siteid='" + siteid + "' order by t2.sa_orderid desc");
         BigDecimal sendqtyold = BigDecimal.ZERO;
+        BigDecimal canuseqty= sendplandetailsgroupitemid.max("canuseqty");
         for(int a=0; a<sendplandetailsgroupitemid.size();a++){
             if(a>0){
-                list.add("update sa_sendplandetail set canuseqty=canuseqty-"+sendqtyold+" where sa_sendplandetailid="+sendplandetailsgroupitemid.get(a).getLong("sa_sendplandetailid"));
+                list.add("update sa_sendplandetail set canuseqty="+canuseqty.subtract(sendqtyold)+" where sa_sendplandetailid="+sendplandetailsgroupitemid.get(a).getLong("sa_sendplandetailid"));
             }
             sendqtyold=sendqtyold.add(sendplandetailsgroupitemid.get(a).getBigDecimal("sendqty"));
         }