修改

2024-09-26 15:03:01 +08:00
parent ea48967492
commit 3d6d64175b
5 changed files with 70 additions and 9 deletions
@@ -50,5 +50,25 @@ namespace IRaCIS.Core.Infrastructure.Extention
            }
        }

+        /// <summary>
+        /// 查询字符串 为null 返回指定字符
+        /// </summary>
+        /// <typeparam name="TSource"></typeparam>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static string FirstIsNullReturnValue(this IEnumerable<string> source,string value)
+        {
+            var result = source.FirstOrDefault();
+
+            if (result == null || result == string.Empty)
+            {
+                return value;
+            }
+            else
+            {
+                return result;
+            }
+        }
+
    }
 }