Question

Web服务成功后，我会收到UUID。

即“C3D668DC-1231-3902-49318B046AD48A5F”

我需要验证这一点。我试过了

Guid responseId = new Guid（“C3D668DC-1231-3902-49318B046AD48A5F”）;

但它没有解析？是否有我应该使用的另一种.net方法。

Answer 1

基本上GUID的格式略有偏差。 GUID（字符串）构造函数接受几种不同的格式，但不是您所拥有的格式。您可以添加一个额外的连字符或（更简单地）将它们全部删除：

Guid responseId = new Guid(id.Replace("-", ""));

Answer 2

Guid类没有TryParse方法，但您可以非常简单地推广它自己：

public bool TryParseGuid(string value, out Guid result) {
    try {
        result = new Guid(value.Replace("-", ""); // needed to cater for wron hyphenation
        return true;
    } catch {
        result = Guid.Empty;
        return false;
    }
}

根据doc新Guid（字符串g）解析以下格式：

A String  that contains a GUID in one of the following formats ('d' represents a hexadecimal digit whose case is ignored):
32 contiguous digits:
dddddddddddddddddddddddddddddddd
-or-
Groups of 8, 4, 4, 4, and 12 digits with hyphens between the groups. The entire GUID can optionally be enclosed in matching braces or parentheses:
dddddddd-dddd-dddd-dddd-dddddddddddd
-or-
{dddddddd-dddd-dddd-dddd-dddddddddddd}
-or-
(dddddddd-dddd-dddd-dddd-dddddddddddd)
-or-
Groups of 8, 4, and 4 digits, and a subset of eight groups of 2 digits, with each group prefixed by "0x" or "0X", and separated by commas. The entire GUID, as well as the subset, is enclosed in matching braces:
{0xdddddddd, 0xdddd, 0xdddd,{0xdd,0xdd,0xdd,0xdd,0xdd,0xdd,0xdd,0xdd}}
All braces, commas, and "0x" prefixes are required. All embedded spaces are ignored. All leading zeroes in a group are ignored.
The digits shown in a group are the maximum number of meaningful digits that can appear in that group. You can specify from 1 to the number of digits shown for a group. The specified digits are assumed to be the low order digits of the group.

如何在C＃中解析UUID

2 个答案: