物料分页查询结果为空时返回值null改为默认值

src/main/java/com/uas/platform/b2b/ps/ProductUtils.java

@@ -127,7 +127,7 @@ public class ProductUtils {
                 throw new RuntimeException("批量更新物料出现异常:" + e.getMessage());
             }
         }
-        return null;
+        return new ArrayList<>();
     }
 
     /**
@@ -151,7 +151,7 @@ public class ProductUtils {
         } else {
             throw new RuntimeException("单个更新物料异常");
         }
-        return null;
+        return 0L;
     }
 
     /**
@@ -441,7 +441,7 @@ public class ProductUtils {
             String resultCode = null != res ? String.valueOf(res.getStatusCode()) : "access error";
             logger.error("findByEnUUAndCode http response status error: " + resultCode);
         }
-        return null;
+        return new ArrayList<>();
     }
 
     /**
@@ -465,7 +465,7 @@ public class ProductUtils {
             String resultCode = null != res ? String.valueOf(res.getStatusCode()) : "access error";
             logger.error("findByIds http response status error: " + resultCode);
         }
-        return null;
+        return new ArrayList<>();
     }
 
     /**
@@ -494,17 +494,17 @@ public class ProductUtils {
             String resultCode = null != res ? String.valueOf(res.getStatusCode()) : "access error";
             logger.error("findByPageInfo http response status error: " + resultCode);
         }
-        return null;
+        return new Page<>();
     }
 
     /**
      * 搜索物料资料
      *
-     * @param pageParams 分页参数
      * @param keyword 关键字
+     * @param pageParams 分页参数
      * @return
      */
-    public static SPage<Product> searchProducts(String keyword, PageParams pageParams) {
+    public static SPage searchProducts(String keyword, PageParams pageParams) {
         Response res = null;
         try {
             JSONObject formData = JSON.parseObject(JSON.toJSONString(pageParams));
@@ -522,7 +522,7 @@ public class ProductUtils {
             String resultCode = null != res ? String.valueOf(res.getStatusCode()) : "access error";
             logger.error("searchProducts http response status error: " + resultCode);
         }
-        return null;
+        return new SPage<>();
     }
 
     /**
@@ -550,7 +550,7 @@ public class ProductUtils {
             String resultCode = null != res ? String.valueOf(res.getStatusCode()) : "access error";
             logger.error("searchProducts http response status error: " + resultCode);
         }
-        return null;
+        return new SPage<>();
     }
 
     /**