修改可空类型

This commit is contained in:
陈淳
2023-01-06 10:15:37 +08:00
parent b7c9b84449
commit 576397a042
29 changed files with 82 additions and 68 deletions

View File

@@ -22,15 +22,15 @@ namespace Yi.Framework.Common.Helper
public static string GetMimeMapping(string FileName)
{
string text = null;
string text = null!;
int num = FileName.LastIndexOf('.');
if (0 < num && num > FileName.LastIndexOf('\\'))
{
text = (string)MimeHelper._mimeMappingTable[FileName.Substring(num)];
text = (string)MimeHelper._mimeMappingTable[FileName.Substring(num)]!;
}
if (text == null)
{
text = (string)MimeHelper._mimeMappingTable[".*"];
text = (string)MimeHelper._mimeMappingTable[".*"]!;
}
return text;
}