不能删除ASN 组中的最后一个ASN IP，做了前台Ajax验证

src/main/java/com/nis/web/controller/basics/AsnIpController.java

@@ -118,4 +118,12 @@ public class AsnIpController extends BaseController{
 		}
 		return false;
 	}
+	@RequestMapping(value="ajaxIsLast",method=RequestMethod.POST)
+	@ResponseBody
+	public boolean ajaxIsLast(Model model,@RequestParam(required=true,value="serviceGroupIds")String serviceGroupIds){
+		if(StringUtils.isNotBlank(serviceGroupIds)) {
+			return asnIpCfgService.hasLastIp(serviceGroupIds);
+		}
+		return false;
+	}
 }