空指针异常处理

haoban-manage3-service/src/main/java/com/gic/haoban/manage/service/service/impl/MaterialServiceImpl.java

@@ -208,6 +208,11 @@ public class MaterialServiceImpl implements MaterialService {
               url = entity.getImgUrl() ;
           }
           String[] arr = null ;
+          //空指针异常处理
+          if (url == null){
+              logger.info("url不存在！");
+              return jp;
+          }
           if(url.contains("?")) {
               arr = url.split("\\?")[0].split("/") ;
           }else {