将数组或列表数据转换为字符串 => 变得轻松了! (C#, MVC3, LINQ)






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如果你被困在 .NET 3.5 上,你可以使用 Aggregate 扩展方法[^]:string cities_string = cities.Aggregate(new StringBuilder(), (sb, c) =>{ if (0 != sb.Length) sb.Append(", "); sb.Append(c.Name); return sb;}, sb => sb.ToString());
如果你被困在 .NET 3.5 上,你可以使用 Aggregate 扩展方法[^]
string cities_string = cities.Aggregate(new StringBuilder(), (sb, c) =>
{
if (0 != sb.Length) sb.Append(", ");
sb.Append(c.Name);
return sb;
}, sb => sb.ToString());