从动作LR（URLRequest类，方法，属性）：

From actionscript LR (URLRequest class, method property):

请注意：如果在Flash Player和引用的形式运行没有正文，Flash Player会自动使用GET操作，即使该方法被设置为URLRequestMethod.POST。出于这个原因，建议始终包括一个虚拟的身体，以确保正确的方法被使用。

Note: If running in Flash Player and the referenced form has no body, Flash Player automatically uses a GET operation, even if the method is set to URLRequestMethod.POST. For this reason, it is recommended to always include a "dummy" body to ensure that the correct method is used.

您使用虚拟的身体？