新增领用单，自动生成领用单号

src/main/java/com/jeeplus/modules/warehouse/materialrequisition/web/MaterialRequisitionController.java

@@ -6,6 +6,7 @@ package com.jeeplus.modules.warehouse.materialrequisition.web;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -92,6 +93,9 @@ public class MaterialRequisitionController extends BaseController {
 	@RequiresPermissions(value={"warehouse:materialrequisition:materialRequisition:view","warehouse:materialrequisition:materialRequisition:add","warehouse:materialrequisition:materialRequisition:edit"},logical=Logical.OR)
 	@RequestMapping(value = "form/{mode}")
 	public String form(@PathVariable String mode, MaterialRequisition materialRequisition, Model model) {
+		if(materialRequisition.getNumber()==null|| Objects.equals(materialRequisition.getNumber(), "")){
+			materialRequisition.setNumber(materialRequisitionService.createLYDH());
+		}
 		model.addAttribute("materialRequisition", materialRequisition);
 		model.addAttribute("mode", mode);
 		return "modules/warehouse/materialrequisition/materialRequisitionForm";