修改空字符串可能导致出现异常

JiuLing-zhang · Dec 15, 2024 · 1b122c8 · 1b122c8
1 parent db5e5b5
commit 1b122c8
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/src/JiuLing.CommonLibs/Security/Signature/SignatureBuilder.cs b/src/JiuLing.CommonLibs/Security/Signature/SignatureBuilder.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using JiuLing.CommonLibs.ExtensionMethods;
+using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Web;
@@ -63,6 +64,10 @@ public SignatureBuilder OrderBy()
         /// <returns></returns>
         public SignatureBuilder FetchParameterValue(string separator = "&")
         {
+            if (_signValue.IsEmpty())
+            {
+                return this;
+            }
             var parameterKeyValueList = _signValue.Split('&').ToList();
             var parameterValueList = parameterKeyValueList.Select(x => x.Split('=')[1]).ToList();
             _signValue = string.Join(separator, parameterValueList);
@@ -76,6 +81,10 @@ public SignatureBuilder FetchParameterValue(string separator = "&")
         /// <returns></returns>
         public SignatureBuilder FetchParameterNameAndValue(string separator = "")
         {
+            if (_signValue.IsEmpty())
+            {
+                return this;
+            }
             var parameterKeyValueList = _signValue.Split('&').ToList();
             parameterKeyValueList = parameterKeyValueList.Select(x => x.Replace("=", "")).ToList();
             _signValue = string.Join(separator, parameterKeyValueList);