null检查

Author: xljiulang

WebApiClientCore.OpenApi.SourceGenerator/CSharpHtml.cs

@@ -116,8 +116,12 @@ public string RenderText(T model)
         {
             var html = this.RenderHtml(model);
             var doc = XDocument.Parse(html).Root;
-            var builder = new StringBuilder();
+            if (doc == null)
+            {
+                return string.Empty;
+            }
 
+            var builder = new StringBuilder();
             RenderText(doc, builder);
             return builder.ToString();
         }
@@ -157,7 +161,7 @@ private void RenderText(XElement element, StringBuilder builder)
                 builder.Append(text);
                 if (element.NextNode != null)
                 {
-                    builder.Append(" ");
+                    builder.Append(' ');
                 }
             }
         }