定义 UnityWebRequest 要通信的目标 URL。
调用 Send 后将无法设置此属性。
如果 UnityWebRequest 遇到并遵循重定向,此属性将更新为 UnityWebRequest 被重定向到的 URL。
输入 URL 时,首选绝对 URL。但如果您输入部分 URL,系统将遵循以下规则:
如果输入 URL 以两个斜杠 (//) 开头,则系统假设该 URL 是专门通过 HTTP 使用的域和路径。
在非 WebGL 平台上,系统将前置 http:.。在 WebGL 上,系统将继承访问 Unity WebGL 应用程序所用的路径架构。
示例:如果通过 https, 来访问 WebGL 应用程序,系统将前置 https:.。如果通过 http, 来访问 WebGL 应用程序,系统将前置 http:.。
如果输入的 URL 以单个斜杠 (/) 开头,则系统假设该 URL 是相对于运行 Unity 应用程序的当前域的路径。在非 WebGL 平台上,系统将在 URL 上前置 http://localhost。
On WebGL, the system will prepend the scheme and host of the path by which the Unity WebGL application is being accessed. For example, if the Unity WebGL app is being accessed via https://unity3d.com/myapp, then the system will prepend https://unity3d.com to relative paths.
If neither of the above rules apply, the system validates your input string via the built-in System.Uri class. If this class throws a URIFormatException, the system attempts to append the input string to the absolute URL by which the Unity app is being accessed. (see above)
如有其他异常,将被重新抛出。
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