修复单据‘销售人员’显示的bug

src/main/webapp/js/pages/materials/in_out.js

@@ -2050,6 +2050,7 @@
 				var SalesmanStr = "";
 				if(listSubType === "销售" || listSubType === "销售退货"){
 					var Salesman = $('#Salesman').combobox('getValues').toString(); //销售人员
+					if(Salesman) {
 						var SalesmanArray = Salesman.split(",");
 						for (var i = 0; i < SalesmanArray.length; i++) {
 							if (i === SalesmanArray.length - 1) {
@@ -2060,6 +2061,7 @@
 							}
 						}
 					}
+				}
 				var getAccountID = $.trim($("#AccountId").val());
 				if($("#AccountId").val() === "many"){ //多账户
 					getAccountID = null;