C# 中对 str.Substring(n),可以用广括号和点点简写为:str[n..]
string str = "中华人民共和国"; return Json(new { a = str[..2], // "中华",同 str.Substring(0, 2) b = str[2..], // "人民共和国",同 str.Substring(2) c = str[2..2], // "",不同于 str.Substring(2, 2) });
vs-iis-express-ssl-port
roll-back-to-mysql-connector-net-8-0-19
The-view-was-not-found
FromSqlRaw
csharp-substring